diff options
459 files changed, 11557 insertions, 9634 deletions
diff --git a/Documentation/Changes b/Documentation/Changes index 5f4828a034e3..b17580885273 100644 --- a/Documentation/Changes +++ b/Documentation/Changes @@ -2,13 +2,7 @@ Intro ===== This document is designed to provide a list of the minimum levels of -software necessary to run the 2.6 kernels, as well as provide brief -instructions regarding any other "Gotchas" users may encounter when -trying life on the Bleeding Edge. If upgrading from a pre-2.4.x -kernel, please consult the Changes file included with 2.4.x kernels for -additional information; most of that information will not be repeated -here. Basically, this document assumes that your system is already -functional and running at least 2.4.x kernels. +software necessary to run the 3.0 kernels. This document is originally based on my "Changes" file for 2.0.x kernels and therefore owes credit to the same people as that file (Jared Mauch, @@ -22,11 +16,10 @@ Upgrade to at *least* these software revisions before thinking you've encountered a bug! If you're unsure what version you're currently running, the suggested command should tell you. -Again, keep in mind that this list assumes you are already -functionally running a Linux 2.4 kernel. Also, not all tools are -necessary on all systems; obviously, if you don't have any ISDN -hardware, for example, you probably needn't concern yourself with -isdn4k-utils. +Again, keep in mind that this list assumes you are already functionally +running a Linux kernel. Also, not all tools are necessary on all +systems; obviously, if you don't have any ISDN hardware, for example, +you probably needn't concern yourself with isdn4k-utils. o Gnu C 3.2 # gcc --version o Gnu make 3.80 # make --version @@ -114,12 +107,12 @@ Ksymoops If the unthinkable happens and your kernel oopses, you may need the ksymoops tool to decode it, but in most cases you don't. -In the 2.6 kernel it is generally preferred to build the kernel with -CONFIG_KALLSYMS so that it produces readable dumps that can be used as-is -(this also produces better output than ksymoops). -If for some reason your kernel is not build with CONFIG_KALLSYMS and -you have no way to rebuild and reproduce the Oops with that option, then -you can still decode that Oops with ksymoops. +It is generally preferred to build the kernel with CONFIG_KALLSYMS so +that it produces readable dumps that can be used as-is (this also +produces better output than ksymoops). If for some reason your kernel +is not build with CONFIG_KALLSYMS and you have no way to rebuild and +reproduce the Oops with that option, then you can still decode that Oops +with ksymoops. Module-Init-Tools ----------------- @@ -261,8 +254,8 @@ needs to be recompiled or (preferably) upgraded. NFS-utils --------- -In 2.4 and earlier kernels, the nfs server needed to know about any -client that expected to be able to access files via NFS. This +In ancient (2.4 and earlier) kernels, the nfs server needed to know +about any client that expected to be able to access files via NFS. This information would be given to the kernel by "mountd" when the client mounted the filesystem, or by "exportfs" at system startup. exportfs would take information about active clients from /var/lib/nfs/rmtab. @@ -272,11 +265,11 @@ which is not always easy, particularly when trying to implement fail-over. Even when the system is working well, rmtab suffers from getting lots of old entries that never get removed. -With 2.6 we have the option of having the kernel tell mountd when it -gets a request from an unknown host, and mountd can give appropriate -export information to the kernel. This removes the dependency on -rmtab and means that the kernel only needs to know about currently -active clients. +With modern kernels we have the option of having the kernel tell mountd +when it gets a request from an unknown host, and mountd can give +appropriate export information to the kernel. This removes the +dependency on rmtab and means that the kernel only needs to know about +currently active clients. To enable this new functionality, you need to: diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 72e238465b0b..b1c921c27519 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -583,3 +583,25 @@ Why: Superseded by the UVCIOC_CTRL_QUERY ioctl. Who: Laurent Pinchart <laurent.pinchart@ideasonboard.com> ---------------------------- + +What: For VIDIOC_S_FREQUENCY the type field must match the device node's type. + If not, return -EINVAL. +When: 3.2 +Why: It makes no sense to switch the tuner to radio mode by calling + VIDIOC_S_FREQUENCY on a video node, or to switch the tuner to tv mode by + calling VIDIOC_S_FREQUENCY on a radio node. This is the first step of a + move to more consistent handling of tv and radio tuners. +Who: Hans Verkuil <hans.verkuil@cisco.com> + +---------------------------- + +What: Opening a radio device node will no longer automatically switch the + tuner mode from tv to radio. +When: 3.3 +Why: Just opening a V4L device should not change the state of the hardware + like that. It's very unexpected and against the V4L spec. Instead, you + switch to radio mode by calling VIDIOC_S_FREQUENCY. This is the second + and last step of the move to consistent handling of tv and radio tuners. +Who: Hans Verkuil <hans.verkuil@cisco.com> + +---------------------------- diff --git a/Documentation/filesystems/caching/netfs-api.txt b/Documentation/filesystems/caching/netfs-api.txt index a167ab876c35..7cc6bf2871eb 100644 --- a/Documentation/filesystems/caching/netfs-api.txt +++ b/Documentation/filesystems/caching/netfs-api.txt @@ -673,6 +673,22 @@ storage request to complete, or it may attempt to cancel the storage request - in which case the page will not be stored in the cache this time. +BULK INODE PAGE UNCACHE +----------------------- + +A convenience routine is provided to perform an uncache on all the pages +attached to an inode. This assumes that the pages on the inode correspond on a +1:1 basis with the pages in the cache. + + void fscache_uncache_all_inode_pages(struct fscache_cookie *cookie, + struct inode *inode); + +This takes the netfs cookie that the pages were cached with and the inode that +the pages are attached to. This function will wait for pages to finish being +written to the cache and for the cache to finish with the page generally. No +error is returned. + + ========================== INDEX AND DATA FILE UPDATE ========================== diff --git a/Documentation/filesystems/nilfs2.txt b/Documentation/filesystems/nilfs2.txt index d5c0cef38a71..873a2ab2e9f8 100644 --- a/Documentation/filesystems/nilfs2.txt +++ b/Documentation/filesystems/nilfs2.txt @@ -40,7 +40,6 @@ Features which NILFS2 does not support yet: - POSIX ACLs - quotas - fsck - - resize - defragmentation Mount options diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt index 8e4fab639d9c..a0a61d2f389f 100644 --- a/Documentation/filesystems/ubifs.txt +++ b/Documentation/filesystems/ubifs.txt @@ -111,34 +111,6 @@ The following is an example of the kernel boot arguments to attach mtd0 to UBI and mount volume "rootfs": ubi.mtd=0 root=ubi0:rootfs rootfstype=ubifs - -Module Parameters for Debugging -=============================== - -When UBIFS has been compiled with debugging enabled, there are 2 module -parameters that are available to control aspects of testing and debugging. - -debug_chks Selects extra checks that UBIFS can do while running: - - Check Flag value - - General checks 1 - Check Tree Node Cache (TNC) 2 - Check indexing tree size 4 - Check orphan area 8 - Check old indexing tree 16 - Check LEB properties (lprops) 32 - Check leaf nodes and inodes 64 - -debug_tsts Selects a mode of testing, as follows: - - Test mode Flag value - - Failure mode for recovery testing 4 - -For example, set debug_chks to 3 to enable general and TNC checks. - - References ========== diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index fd248a318211..aa47be71df4c 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2015,6 +2015,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted. the default. off: Turn ECRC off on: Turn ECRC on. + realloc reallocate PCI resources if allocations done by BIOS + are erroneous. pcie_aspm= [PCIE] Forcibly enable or disable PCIe Active State Power Management. diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt index 1565eefd6fd5..61815483efa3 100644 --- a/Documentation/laptops/thinkpad-acpi.txt +++ b/Documentation/laptops/thinkpad-acpi.txt @@ -534,6 +534,8 @@ Events that are never propagated by the driver: 0x2404 System is waking up from hibernation to undock 0x2405 System is waking up from hibernation to eject bay 0x5010 Brightness level changed/control event +0x6000 KEYBOARD: Numlock key pressed +0x6005 KEYBOARD: Fn key pressed (TO BE VERIFIED) Events that are propagated by the driver to userspace: @@ -545,6 +547,8 @@ Events that are propagated by the driver to userspace: 0x3006 Bay hotplug request (hint to power up SATA link when the optical drive tray is ejected) 0x4003 Undocked (see 0x2x04), can sleep again +0x4010 Docked into hotplug port replicator (non-ACPI dock) +0x4011 Undocked from hotplug port replicator (non-ACPI dock) 0x500B Tablet pen inserted into its storage bay 0x500C Tablet pen removed from its storage bay 0x6011 ALARM: battery is too hot @@ -552,6 +556,7 @@ Events that are propagated by the driver to userspace: 0x6021 ALARM: a sensor is too hot 0x6022 ALARM: a sensor is extremely hot 0x6030 System thermal table changed +0x6040 Nvidia Optimus/AC adapter related (TO BE VERIFIED) Battery nearly empty alarms are a last resort attempt to get the operating system to hibernate or shutdown cleanly (0x2313), or shutdown diff --git a/Documentation/mmc/00-INDEX b/Documentation/mmc/00-INDEX index 93dd7a714075..a9ba6720ffdf 100644 --- a/Documentation/mmc/00-INDEX +++ b/Documentation/mmc/00-INDEX @@ -4,3 +4,5 @@ mmc-dev-attrs.txt - info on SD and MMC device attributes mmc-dev-parts.txt - info on SD and MMC device partitions +mmc-async-req.txt + - info on mmc asynchronous requests diff --git a/Documentation/mmc/mmc-async-req.txt b/Documentation/mmc/mmc-async-req.txt new file mode 100644 index 000000000000..ae1907b10e4a --- /dev/null +++ b/Documentation/mmc/mmc-async-req.txt @@ -0,0 +1,87 @@ +Rationale +========= + +How significant is the cache maintenance overhead? +It depends. Fast eMMC and multiple cache levels with speculative cache +pre-fetch makes the cache overhead relatively significant. If the DMA +preparations for the next request are done in parallel with the current +transfer, the DMA preparation overhead would not affect the MMC performance. +The intention of non-blocking (asynchronous) MMC requests is to minimize the +time between when an MMC request ends and another MMC request begins. +Using mmc_wait_for_req(), the MMC controller is idle while dma_map_sg and +dma_unmap_sg are processing. Using non-blocking MMC requests makes it +possible to prepare the caches for next job in parallel with an active +MMC request. + +MMC block driver +================ + +The mmc_blk_issue_rw_rq() in the MMC block driver is made non-blocking. +The increase in throughput is proportional to the time it takes to +prepare (major part of preparations are dma_map_sg() and dma_unmap_sg()) +a request and how fast the memory is. The faster the MMC/SD is the +more significant the prepare request time becomes. Roughly the expected +performance gain is 5% for large writes and 10% on large reads on a L2 cache +platform. In power save mode, when clocks run on a lower frequency, the DMA +preparation may cost even more. As long as these slower preparations are run +in parallel with the transfer performance won't be affected. + +Details on measurements from IOZone and mmc_test +================================================ + +https://wiki.linaro.org/WorkingGroups/Kernel/Specs/StoragePerfMMC-async-req + +MMC core API extension +====================== + +There is one new public function mmc_start_req(). +It starts a new MMC command request for a host. The function isn't +truly non-blocking. If there is an ongoing async request it waits +for completion of that request and starts the new one and returns. It +doesn't wait for the new request to complete. If there is no ongoing +request it starts the new request and returns immediately. + +MMC host extensions +=================== + +There are two optional members in the mmc_host_ops -- pre_req() and +post_req() -- that the host driver may implement in order to move work +to before and after the actual mmc_host_ops.request() function is called. +In the DMA case pre_req() may do dma_map_sg() and prepare the DMA +descriptor, and post_req() runs the dma_unmap_sg(). + +Optimize for the first request +============================== + +The first request in a series of requests can't be prepared in parallel +with the previous transfer, since there is no previous request. +The argument is_first_req in pre_req() indicates that there is no previous +request. The host driver may optimize for this scenario to minimize +the performance loss. A way to optimize for this is to split the current +request in two chunks, prepare the first chunk and start the request, +and finally prepare the second chunk and start the transfer. + +Pseudocode to handle is_first_req scenario with minimal prepare overhead: + +if (is_first_req && req->size > threshold) + /* start MMC transfer for the complete transfer size */ + mmc_start_command(MMC_CMD_TRANSFER_FULL_SIZE); + + /* + * Begin to prepare DMA while cmd is being processed by MMC. + * The first chunk of the request should take the same time + * to prepare as the "MMC process command time". + * If prepare time exceeds MMC cmd time + * the transfer is delayed, guesstimate max 4k as first chunk size. + */ + prepare_1st_chunk_for_dma(req); + /* flush pending desc to the DMAC (dmaengine.h) */ + dma_issue_pending(req->dma_desc); + + prepare_2nd_chunk_for_dma(req); + /* + * The second issue_pending should be called before MMC runs out + * of the first chunk. If the MMC runs out of the first data chunk + * before this call, the transfer is delayed. + */ + dma_issue_pending(req->dma_desc); diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index d3d653a5f9b9..bfe924217f24 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -346,7 +346,7 @@ tcp_orphan_retries - INTEGER when RTO retransmissions remain unacknowledged. See tcp_retries2 for more details. - The default value is 7. + The default value is 8. If your machine is a loaded WEB server, you should think about lowering this value, such sockets may consume significant resources. Cf. tcp_max_orphans. diff --git a/Documentation/spinlocks.txt b/Documentation/spinlocks.txt index 2e3c64b1a6a5..9dbe885ecd8d 100644 --- a/Documentation/spinlocks.txt +++ b/Documentation/spinlocks.txt @@ -13,18 +13,8 @@ static DEFINE_SPINLOCK(xxx_lock); The above is always safe. It will disable interrupts _locally_, but the spinlock itself will guarantee the global lock, so it will guarantee that there is only one thread-of-control within the region(s) protected by that -lock. This works well even under UP. The above sequence under UP -essentially is just the same as doing - - unsigned long flags; - - save_flags(flags); cli(); - ... critical section ... - restore_flags(flags); - -so the code does _not_ need to worry about UP vs SMP issues: the spinlocks -work correctly under both (and spinlocks are actually more efficient on -architectures that allow doing the "save_flags + cli" in one operation). +lock. This works well even under UP also, so the code does _not_ need to +worry about UP vs SMP issues: the spinlocks work correctly under both. NOTE! Implications of spin_locks for memory are further described in: @@ -36,27 +26,7 @@ The above is usually pretty simple (you usually need and want only one spinlock for most things - using more than one spinlock can make things a lot more complex and even slower and is usually worth it only for sequences that you _know_ need to be split up: avoid it at all cost if you -aren't sure). HOWEVER, it _does_ mean that if you have some code that does - - cli(); - .. critical section .. - sti(); - -and another sequence that does - - spin_lock_irqsave(flags); - .. critical section .. - spin_unlock_irqrestore(flags); - -then they are NOT mutually exclusive, and the critical regions can happen -at the same time on two different CPU's. That's fine per se, but the -critical regions had better be critical for different things (ie they -can't stomp on each other). - -The above is a problem mainly if you end up mixing code - for example the -routines in ll_rw_block() tend to use cli/sti to protect the atomicity of -their actions, and if a driver uses spinlocks instead then you should -think about issues like the above. +aren't sure). This is really the only really hard part about spinlocks: once you start using spinlocks they tend to expand to areas you might not have noticed @@ -120,11 +90,10 @@ Lesson 3: spinlocks revisited. The single spin-lock primitives above are by no means the only ones. They are the most safe ones, and the ones that work under all circumstances, -but partly _because_ they are safe they are also fairly slow. They are -much faster than a generic global cli/sti pair, but slower than they'd -need to be, because they do have to disable interrupts (which is just a -single instruction on a x86, but it's an expensive one - and on other -architectures it can be worse). +but partly _because_ they are safe they are also fairly slow. They are slower +than they'd need to be, because they do have to disable interrupts +(which is just a single instruction on a x86, but it's an expensive one - +and on other architectures it can be worse). If you have a case where you have to protect a data structure across several CPU's and you want to use spinlocks you can potentially use diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt index 9b7221a86df2..7c3a8801b7ce 100644 --- a/Documentation/x86/boot.txt +++ b/Documentation/x86/boot.txt @@ -674,7 +674,7 @@ Protocol: 2.10+ Field name: init_size Type: read -Offset/size: 0x25c/4 +Offset/size: 0x260/4 This field indicates the amount of linear contiguous memory starting at the kernel runtime start address that the kernel needs before it diff --git a/MAINTAINERS b/MAINTAINERS index 9820e89c827c..789fed662140 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1,4 +1,5 @@ + List of maintainers and how to submit kernel changes Please try to follow the guidelines below. This will make things @@ -594,6 +595,16 @@ S: Maintained F: arch/arm/lib/floppydma.S F: arch/arm/include/asm/floppy.h +ARM PMU PROFILING AND DEBUGGING +M: Will Deacon <will.deacon@arm.com> +S: Maintained +F: arch/arm/kernel/perf_event* +F: arch/arm/oprofile/common.c +F: arch/arm/kernel/pmu.c +F: arch/arm/include/asm/pmu.h +F: arch/arm/kernel/hw_breakpoint.c +F: arch/arm/include/asm/hw_breakpoint.h + ARM PORT M: Russell King <linux@arm.linux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -4574,9 +4585,8 @@ S: Maintained F: drivers/mmc/host/omap.c OMAP HS MMC SUPPORT -M: Madhusudhan Chikkature <madhu.cr@ti.com> L: linux-omap@vger.kernel.org -S: Maintained +S: Orphan F: drivers/mmc/host/omap_hsmmc.c OMAP RANDOM NUMBER GENERATOR SUPPORT @@ -4982,7 +4992,7 @@ F: drivers/power/power_supply* PNP SUPPORT M: Adam Belay <abelay@mit.edu> -M: Bjorn Helgaas <bjorn.helgaas@hp.com> +M: Bjorn Helgaas <bhelgaas@google.com> S: Maintained F: drivers/pnp/ @@ -6232,9 +6242,14 @@ F: drivers/char/toshiba.c F: include/linux/toshiba.h TMIO MMC DRIVER +M: Guennadi Liakhovetski <g.liakhovetski@gmx.de> M: Ian Molton <ian@mnementh.co.uk> +L: linux-mmc@vger.kernel.org S: Maintained -F: drivers/mmc/host/tmio_mmc.* +F: drivers/mmc/host/tmio_mmc* +F: drivers/mmc/host/sh_mobile_sdhi.c +F: include/linux/mmc/tmio.h +F: include/linux/mmc/sh_mobile_sdhi.h TMPFS (SHMEM FILESYSTEM) M: Hugh Dickins <hughd@google.com> @@ -6311,7 +6326,7 @@ F: drivers/scsi/u14-34f.c UBI FILE SYSTEM (UBIFS) M: Artem Bityutskiy <dedekind1@gmail.com> -M: Adrian Hunter <adrian.hunter@nokia.com> +M: Adrian Hunter <adrian.hunter@intel.com> L: linux-mtd@lists.infradead.org T: git git://git.infradead.org/ubifs-2.6.git W: http://www.linux-mtd.infradead.org/doc/ubifs.html @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 0 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = NAME = Sneaky Weasel # *DOCUMENTATION* diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index e5681636626f..841df7d21c2f 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -255,7 +255,7 @@ static inline dma_addr_t map_single(struct device *dev, void *ptr, size_t size, if (buf == 0) { dev_err(dev, "%s: unable to map unsafe buffer %p!\n", __func__, ptr); - return 0; + return ~0; } dev_dbg(dev, diff --git a/arch/arm/configs/mmp2_defconfig b/arch/arm/configs/mmp2_defconfig index 47ad3b1a4fee..5a584520db2f 100644 --- a/arch/arm/configs/mmp2_defconfig +++ b/arch/arm/configs/mmp2_defconfig @@ -8,6 +8,7 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set CONFIG_ARCH_MMP=y +CONFIG_MACH_BROWNSTONE=y CONFIG_MACH_FLINT=y CONFIG_MACH_MARVELL_JASPER=y CONFIG_HIGH_RES_TIMERS=y @@ -63,10 +64,16 @@ CONFIG_BACKLIGHT_MAX8925=y # CONFIG_USB_SUPPORT is not set CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_MAX8925=y +CONFIG_MMC=y # CONFIG_DNOTIFY is not set CONFIG_INOTIFY=y CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y +CONFIG_EXT2_FS=y +CONFIG_EXT3_FS=y +CONFIG_EXT4_FS=y +CONFIG_MSDOS_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 CONFIG_JFFS2_FS=y CONFIG_CRAMFS=y CONFIG_NFS_FS=y @@ -81,7 +88,7 @@ CONFIG_DEBUG_KERNEL=y # CONFIG_DEBUG_PREEMPT is not set CONFIG_DEBUG_INFO=y # CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_DYNAMIC_DEBUG=y +# CONFIG_DYNAMIC_DEBUG is not set CONFIG_DEBUG_USER=y CONFIG_DEBUG_ERRORS=y # CONFIG_CRYPTO_ANSI_CPRNG is not set diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index d53c0abc4dd3..2b5b1421596c 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -583,7 +583,7 @@ static int armpmu_event_init(struct perf_event *event) static void armpmu_enable(struct pmu *pmu) { /* Enable all of the perf events on hardware. */ - int idx; + int idx, enabled = 0; struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); if (!armpmu) @@ -596,9 +596,11 @@ static void armpmu_enable(struct pmu *pmu) continue; armpmu->enable(&event->hw, idx); + enabled = 1; } - armpmu->start(); + if (enabled) + armpmu->start(); } static void armpmu_disable(struct pmu *pmu) diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index ed11fb08b05a..acbb447ac6b5 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -73,6 +73,7 @@ __setup("fpe=", fpe_setup); #endif extern void paging_init(struct machine_desc *desc); +extern void sanity_check_meminfo(void); extern void reboot_setup(char *str); unsigned int processor_id; @@ -900,6 +901,7 @@ void __init setup_arch(char **cmdline_p) parse_early_param(); + sanity_check_meminfo(); arm_memblock_init(&meminfo, mdesc); paging_init(mdesc); diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index 60636f499cb3..2c277d40cee6 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -115,7 +115,7 @@ static void __cpuinit twd_calibrate_rate(void) twd_timer_rate = (0xFFFFFFFFU - count) * (HZ / 5); printk("%lu.%02luMHz.\n", twd_timer_rate / 1000000, - (twd_timer_rate / 1000000) % 100); + (twd_timer_rate / 10000) % 100); } } diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index c67f684ee3e5..09a87e61ffcf 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -520,7 +520,7 @@ fail: */ if (have_imager()) { label = "HD imager"; - mux |= 1; + mux |= 2; /* externally mux MMC1/ENET/AIC33 to imager */ mux |= BIT(6) | BIT(5) | BIT(3); @@ -540,7 +540,7 @@ fail: resets &= ~BIT(1); if (have_tvp7002()) { - mux |= 2; + mux |= 1; resets &= ~BIT(2); label = "tvp7002 HD"; } else { diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c index e7221398e5af..cafbe13a82a5 100644 --- a/arch/arm/mach-davinci/gpio.c +++ b/arch/arm/mach-davinci/gpio.c @@ -254,8 +254,10 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc) { struct davinci_gpio_regs __iomem *g; u32 mask = 0xffff; + struct davinci_gpio_controller *d; - g = (__force struct davinci_gpio_regs __iomem *) irq_desc_get_handler_data(desc); + d = (struct davinci_gpio_controller *)irq_desc_get_handler_data(desc); + g = (struct davinci_gpio_regs __iomem *)d->regs; /* we only care about one bank */ if (irq & 1) @@ -274,11 +276,14 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc) if (!status) break; __raw_writel(status, &g->intstat); - if (irq & 1) - status >>= 16; /* now demux them to the right lowlevel handler */ - n = (int)irq_get_handler_data(irq); + n = d->irq_base; + if (irq & 1) { + n += 16; + status >>= 16; + } + while (status) { res = ffs(status); n += res; @@ -424,7 +429,13 @@ static int __init davinci_gpio_irq_setup(void) /* set up all irqs in this bank */ irq_set_chained_handler(bank_irq, gpio_irq_handler); - irq_set_handler_data(bank_irq, (__force void *)g); + + /* + * Each chip handles 32 gpios, and each irq bank consists of 16 + * gpio irqs. Pass the irq bank's corresponding controller to + * the chained irq handler. + */ + irq_set_handler_data(bank_irq, &chips[gpio / 32]); for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) { irq_set_chip(irq, &gpio_irqchip); diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c index bfe68ec4e1a6..952dc126c390 100644 --- a/arch/arm/mach-davinci/irq.c +++ b/arch/arm/mach-davinci/irq.c @@ -52,8 +52,14 @@ davinci_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num) struct irq_chip_type *ct; gc = irq_alloc_generic_chip("AINTC", 1, irq_start, base, handle_edge_irq); + if (!gc) { + pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n", + __func__, irq_start); + return; + } + ct = gc->chip_types; - ct->chip.irq_ack = irq_gc_ack; + ct->chip.irq_ack = irq_gc_ack_set_bit; ct->chip.irq_mask = irq_gc_mask_clr_bit; ct->chip.irq_unmask = irq_gc_mask_set_bit; diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 1d4b65fd673e..6659a0d137a3 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -251,9 +251,9 @@ static void ep93xx_uart_set_mctrl(struct amba_device *dev, unsigned int mcr; mcr = 0; - if (!(mctrl & TIOCM_RTS)) + if (mctrl & TIOCM_RTS) mcr |= 2; - if (!(mctrl & TIOCM_DTR)) + if (mctrl & TIOCM_DTR) mcr |= 1; __raw_writel(mcr, base + EP93XX_UART_MCR_OFFSET); diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 9babe4473e88..bfd621460abf 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -23,6 +23,7 @@ #include <plat/sdhci.h> #include <plat/devs.h> #include <plat/fimc-core.h> +#include <plat/iic-core.h> #include <mach/regs-irq.h> @@ -132,6 +133,11 @@ void __init exynos4_map_io(void) s3c_fimc_setname(1, "exynos4-fimc"); s3c_fimc_setname(2, "exynos4-fimc"); s3c_fimc_setname(3, "exynos4-fimc"); + + /* The I2C bus controllers are directly compatible with s3c2440 */ + s3c_i2c0_setname("s3c2440-i2c"); + s3c_i2c1_setname("s3c2440-i2c"); + s3c_i2c2_setname("s3c2440-i2c"); } void __init exynos4_init_clocks(int xtal) diff --git a/arch/arm/mach-exynos4/dev-audio.c b/arch/arm/mach-exynos4/dev-audio.c index 1eed5f9f7bd3..983069a53239 100644 --- a/arch/arm/mach-exynos4/dev-audio.c +++ b/arch/arm/mach-exynos4/dev-audio.c @@ -330,7 +330,7 @@ struct platform_device exynos4_device_ac97 = { static int exynos4_spdif_cfg_gpio(struct platform_device *pdev) { - s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(3)); + s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(4)); return 0; } diff --git a/arch/arm/mach-exynos4/headsmp.S b/arch/arm/mach-exynos4/headsmp.S index 6c6cfc50c46b..3cdeb3647542 100644 --- a/arch/arm/mach-exynos4/headsmp.S +++ b/arch/arm/mach-exynos4/headsmp.S @@ -13,7 +13,7 @@ #include <linux/linkage.h> #include <linux/init.h> - __INIT + __CPUINIT /* * exynos4 specific entry point for secondary CPUs. This provides diff --git a/arch/arm/mach-exynos4/mach-smdkv310.c b/arch/arm/mach-exynos4/mach-smdkv310.c index 152676471b67..edd814110da8 100644 --- a/arch/arm/mach-exynos4/mach-smdkv310.c +++ b/arch/arm/mach-exynos4/mach-smdkv310.c @@ -78,9 +78,7 @@ static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = { }; static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = { - .cd_type = S3C_SDHCI_CD_GPIO, - .ext_cd_gpio = EXYNOS4_GPK0(2), - .ext_cd_gpio_invert = 1, + .cd_type = S3C_SDHCI_CD_INTERNAL, .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, #ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT .max_width = 8, @@ -96,9 +94,7 @@ static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = { }; static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = { - .cd_type = S3C_SDHCI_CD_GPIO, - .ext_cd_gpio = EXYNOS4_GPK2(2), - .ext_cd_gpio_invert = 1, + .cd_type = S3C_SDHCI_CD_INTERNAL, .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT .max_width = 8, diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 74ed81a3cb1a..07772575d7ab 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -419,14 +419,20 @@ static void notrace ixp4xx_update_sched_clock(void) /* * clocksource */ + +static cycle_t ixp4xx_clocksource_read(struct clocksource *c) +{ + return *IXP4XX_OSTS; +} + unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ; EXPORT_SYMBOL(ixp4xx_timer_freq); static void __init ixp4xx_clocksource_init(void) { init_sched_clock(&cd, ixp4xx_update_sched_clock, 32, ixp4xx_timer_freq); - clocksource_mmio_init(&IXP4XX_OSTS, "OSTS", ixp4xx_timer_freq, 200, 32, - clocksource_mmio_readl_up); + clocksource_mmio_init(NULL, "OSTS", ixp4xx_timer_freq, 200, 32, + ixp4xx_clocksource_read); } /* diff --git a/arch/arm/mach-mmp/brownstone.c b/arch/arm/mach-mmp/brownstone.c index 7bb78fd5a2a6..c79162a50f28 100644 --- a/arch/arm/mach-mmp/brownstone.c +++ b/arch/arm/mach-mmp/brownstone.c @@ -177,9 +177,16 @@ static struct i2c_board_info brownstone_twsi1_info[] = { }; static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = { - .max_speed = 25000000, + .clk_delay_cycles = 0x1f, }; +static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = { + .clk_delay_cycles = 0x1f, + .flags = PXA_FLAG_CARD_PERMANENT + | PXA_FLAG_SD_8_BIT_CAPABLE_SLOT, +}; + + static void __init brownstone_init(void) { mfp_config(ARRAY_AND_SIZE(brownstone_pin_config)); @@ -189,6 +196,7 @@ static void __init brownstone_init(void) mmp2_add_uart(3); mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info)); mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */ + mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */ /* enable 5v regulator */ platform_device_register(&brownstone_v_5vp_device); diff --git a/arch/arm/mach-mmp/include/mach/mmp2.h b/arch/arm/mach-mmp/include/mach/mmp2.h index 2cbf6df09b82..de7b88826ad7 100644 --- a/arch/arm/mach-mmp/include/mach/mmp2.h +++ b/arch/arm/mach-mmp/include/mach/mmp2.h @@ -1,7 +1,7 @@ #ifndef __ASM_MACH_MMP2_H #define __ASM_MACH_MMP2_H -#include <plat/sdhci.h> +#include <linux/platform_data/pxa_sdhci.h> struct sys_timer; diff --git a/arch/arm/mach-mmp/jasper.c b/arch/arm/mach-mmp/jasper.c index 24172a0aad59..5d6421d63254 100644 --- a/arch/arm/mach-mmp/jasper.c +++ b/arch/arm/mach-mmp/jasper.c @@ -154,7 +154,7 @@ static struct i2c_board_info jasper_twsi1_info[] = { }; static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = { - .max_speed = 25000000, + .clk_delay_cycles = 0x1f, }; static void __init jasper_init(void) diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c index 8e6c3ac7f7c1..079c18861d5c 100644 --- a/arch/arm/mach-mmp/mmp2.c +++ b/arch/arm/mach-mmp/mmp2.c @@ -168,10 +168,10 @@ static struct clk_lookup mmp2_clkregs[] = { INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL), INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL), INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), - INIT_CLKREG(&clk_sdh0, "sdhci-pxa.0", "PXA-SDHCLK"), - INIT_CLKREG(&clk_sdh1, "sdhci-pxa.1", "PXA-SDHCLK"), - INIT_CLKREG(&clk_sdh2, "sdhci-pxa.2", "PXA-SDHCLK"), - INIT_CLKREG(&clk_sdh3, "sdhci-pxa.3", "PXA-SDHCLK"), + INIT_CLKREG(&clk_sdh0, "sdhci-pxav3.0", "PXA-SDHCLK"), + INIT_CLKREG(&clk_sdh1, "sdhci-pxav3.1", "PXA-SDHCLK"), + INIT_CLKREG(&clk_sdh2, "sdhci-pxav3.2", "PXA-SDHCLK"), + INIT_CLKREG(&clk_sdh3, "sdhci-pxav3.3", "PXA-SDHCLK"), }; static int __init mmp2_init(void) @@ -222,8 +222,8 @@ MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70); MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70); MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70); MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29); -MMP2_DEVICE(sdh0, "sdhci-pxa", 0, MMC, 0xd4280000, 0x120); -MMP2_DEVICE(sdh1, "sdhci-pxa", 1, MMC2, 0xd4280800, 0x120); -MMP2_DEVICE(sdh2, "sdhci-pxa", 2, MMC3, 0xd4281000, 0x120); -MMP2_DEVICE(sdh3, "sdhci-pxa", 3, MMC4, 0xd4281800, 0x120); +MMP2_DEVICE(sdh0, "sdhci-pxav3", 0, MMC, 0xd4280000, 0x120); +MMP2_DEVICE(sdh1, "sdhci-pxav3", 1, MMC2, 0xd4280800, 0x120); +MMP2_DEVICE(sdh2, "sdhci-pxav3", 2, MMC3, 0xd4281000, 0x120); +MMP2_DEVICE(sdh3, "sdhci-pxav3", 3, MMC4, 0xd4281800, 0x120); diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c index 72b4e7631583..ab9f999106c7 100644 --- a/arch/arm/mach-mmp/pxa168.c +++ b/arch/arm/mach-mmp/pxa168.c @@ -79,7 +79,7 @@ static APBC_CLK(ssp4, PXA168_SSP4, 4, 0); static APBC_CLK(ssp5, PXA168_SSP5, 4, 0); static APBC_CLK(keypad, PXA168_KPC, 0, 32000); -static APMU_CLK(nand, NAND, 0x01db, 208000000); +static APMU_CLK(nand, NAND, 0x19b, 156000000); static APMU_CLK(lcd, LCD, 0x7f, 312000000); /* device and clock bindings */ diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c index 8f92ccd26edf..1464607aa60d 100644 --- a/arch/arm/mach-mmp/pxa910.c +++ b/arch/arm/mach-mmp/pxa910.c @@ -110,7 +110,7 @@ static APBC_CLK(pwm2, PXA910_PWM2, 1, 13000000); static APBC_CLK(pwm3, PXA910_PWM3, 1, 13000000); static APBC_CLK(pwm4, PXA910_PWM4, 1, 13000000); -static APMU_CLK(nand, NAND, 0x01db, 208000000); +static APMU_CLK(nand, NAND, 0x19b, 156000000); static APMU_CLK(u2o, USB, 0x1b, 480000000); /* device and clock bindings */ diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c index de88c9297b68..f49ce85d2448 100644 --- a/arch/arm/mach-omap1/board-ams-delta.c +++ b/arch/arm/mach-omap1/board-ams-delta.c @@ -215,7 +215,7 @@ static struct omap_kp_platform_data ams_delta_kp_data __initdata = { .delay = 9, }; -static struct platform_device ams_delta_kp_device __initdata = { +static struct platform_device ams_delta_kp_device = { .name = "omap-keypad", .id = -1, .dev = { @@ -225,12 +225,12 @@ static struct platform_device ams_delta_kp_device __initdata = { .resource = ams_delta_kp_resources, }; -static struct platform_device ams_delta_lcd_device __initdata = { +static struct platform_device ams_delta_lcd_device = { .name = "lcd_ams_delta", .id = -1, }; -static struct platform_device ams_delta_led_device __initdata = { +static struct platform_device ams_delta_led_device = { .name = "ams-delta-led", .id = -1 }; @@ -267,7 +267,7 @@ static struct soc_camera_link ams_delta_iclink = { .power = ams_delta_camera_power, }; -static struct platform_device ams_delta_camera_device __initdata = { +static struct platform_device ams_delta_camera_device = { .name = "soc-camera-pdrv", .id = 0, .dev = { diff --git a/arch/arm/mach-omap1/gpio15xx.c b/arch/arm/mach-omap1/gpio15xx.c index 04c4b04cf54e..364137c2042c 100644 --- a/arch/arm/mach-omap1/gpio15xx.c +++ b/arch/arm/mach-omap1/gpio15xx.c @@ -41,7 +41,7 @@ static struct __initdata omap_gpio_platform_data omap15xx_mpu_gpio_config = { .bank_stride = 1, }; -static struct __initdata platform_device omap15xx_mpu_gpio = { +static struct platform_device omap15xx_mpu_gpio = { .name = "omap_gpio", .id = 0, .dev = { @@ -70,7 +70,7 @@ static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = { .bank_width = 16, }; -static struct __initdata platform_device omap15xx_gpio = { +static struct platform_device omap15xx_gpio = { .name = "omap_gpio", .id = 1, .dev = { diff --git a/arch/arm/mach-omap1/gpio16xx.c b/arch/arm/mach-omap1/gpio16xx.c index 5dd0d4c82b24..293a246e2824 100644 --- a/arch/arm/mach-omap1/gpio16xx.c +++ b/arch/arm/mach-omap1/gpio16xx.c @@ -44,7 +44,7 @@ static struct __initdata omap_gpio_platform_data omap16xx_mpu_gpio_config = { .bank_stride = 1, }; -static struct __initdata platform_device omap16xx_mpu_gpio = { +static struct platform_device omap16xx_mpu_gpio = { .name = "omap_gpio", .id = 0, .dev = { @@ -73,7 +73,7 @@ static struct __initdata omap_gpio_platform_data omap16xx_gpio1_config = { .bank_width = 16, }; -static struct __initdata platform_device omap16xx_gpio1 = { +static struct platform_device omap16xx_gpio1 = { .name = "omap_gpio", .id = 1, .dev = { @@ -102,7 +102,7 @@ static struct __initdata omap_gpio_platform_data omap16xx_gpio2_config = { .bank_width = 16, }; -static struct __initdata platform_device omap16xx_gpio2 = { +static struct platform_device omap16xx_gpio2 = { .name = "omap_gpio", .id = 2, .dev = { @@ -131,7 +131,7 @@ static struct __initdata omap_gpio_platform_data omap16xx_gpio3_config = { .bank_width = 16, }; -static struct __initdata platform_device omap16xx_gpio3 = { +static struct platform_device omap16xx_gpio3 = { .name = "omap_gpio", .id = 3, .dev = { @@ -160,7 +160,7 @@ static struct __initdata omap_gpio_platform_data omap16xx_gpio4_config = { .bank_width = 16, }; -static struct __initdata platform_device omap16xx_gpio4 = { +static struct platform_device omap16xx_gpio4 = { .name = "omap_gpio", .id = 4, .dev = { diff --git a/arch/arm/mach-omap1/gpio7xx.c b/arch/arm/mach-omap1/gpio7xx.c index 1204c8b871af..c6ad248d63a6 100644 --- a/arch/arm/mach-omap1/gpio7xx.c +++ b/arch/arm/mach-omap1/gpio7xx.c @@ -46,7 +46,7 @@ static struct __initdata omap_gpio_platform_data omap7xx_mpu_gpio_config = { .bank_stride = 2, }; -static struct __initdata platform_device omap7xx_mpu_gpio = { +static struct platform_device omap7xx_mpu_gpio = { .name = "omap_gpio", .id = 0, .dev = { @@ -75,7 +75,7 @@ static struct __initdata omap_gpio_platform_data omap7xx_gpio1_config = { .bank_width = 32, }; -static struct __initdata platform_device omap7xx_gpio1 = { +static struct platform_device omap7xx_gpio1 = { .name = "omap_gpio", .id = 1, .dev = { @@ -104,7 +104,7 @@ static struct __initdata omap_gpio_platform_data omap7xx_gpio2_config = { .bank_width = 32, }; -static struct __initdata platform_device omap7xx_gpio2 = { +static struct platform_device omap7xx_gpio2 = { .name = "omap_gpio", .id = 2, .dev = { @@ -133,7 +133,7 @@ static struct __initdata omap_gpio_platform_data omap7xx_gpio3_config = { .bank_width = 32, }; -static struct __initdata platform_device omap7xx_gpio3 = { +static struct platform_device omap7xx_gpio3 = { .name = "omap_gpio", .id = 3, .dev = { @@ -162,7 +162,7 @@ static struct __initdata omap_gpio_platform_data omap7xx_gpio4_config = { .bank_width = 32, }; -static struct __initdata platform_device omap7xx_gpio4 = { +static struct platform_device omap7xx_gpio4 = { .name = "omap_gpio", .id = 4, .dev = { @@ -191,7 +191,7 @@ static struct __initdata omap_gpio_platform_data omap7xx_gpio5_config = { .bank_width = 32, }; -static struct __initdata platform_device omap7xx_gpio5 = { +static struct platform_device omap7xx_gpio5 = { .name = "omap_gpio", .id = 5, .dev = { @@ -220,7 +220,7 @@ static struct __initdata omap_gpio_platform_data omap7xx_gpio6_config = { .bank_width = 32, }; -static struct __initdata platform_device omap7xx_gpio6 = { +static struct platform_device omap7xx_gpio6 = { .name = "omap_gpio", .id = 6, .dev = { diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index 990366726c58..88bd6f7705f0 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -558,7 +558,7 @@ static struct radio_si4713_platform_data rx51_si4713_data __initdata_or_module = .subdev_board_info = &rx51_si4713_board_info, }; -static struct platform_device rx51_si4713_dev __initdata_or_module = { +static struct platform_device rx51_si4713_dev = { .name = "radio-si4713", .id = -1, .dev = { diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c index 87ae3129f4f7..b27544bcafcb 100644 --- a/arch/arm/mach-pxa/mfp-pxa2xx.c +++ b/arch/arm/mach-pxa/mfp-pxa2xx.c @@ -347,9 +347,9 @@ static int pxa2xx_mfp_suspend(void) if ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) && (GPDR(i) & GPIO_bit(i))) { if (GPLR(i) & GPIO_bit(i)) - PGSR(i) |= GPIO_bit(i); + PGSR(gpio_to_bank(i)) |= GPIO_bit(i); else - PGSR(i) &= ~GPIO_bit(i); + PGSR(gpio_to_bank(i)) &= ~GPIO_bit(i); } } diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c index d130f77b6d11..2f37d43f51b6 100644 --- a/arch/arm/mach-pxa/raumfeld.c +++ b/arch/arm/mach-pxa/raumfeld.c @@ -573,10 +573,10 @@ static struct pxafb_mode_info sharp_lq043t3dx02_mode = { .xres = 480, .yres = 272, .bpp = 16, - .hsync_len = 4, + .hsync_len = 41, .left_margin = 2, .right_margin = 1, - .vsync_len = 1, + .vsync_len = 10, .upper_margin = 3, .lower_margin = 1, .sync = 0, @@ -596,29 +596,31 @@ static void __init raumfeld_lcd_init(void) { int ret; - pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info); - - /* Earlier devices had the backlight regulator controlled - * via PWM, later versions use another controller for that */ - if ((system_rev & 0xff) < 2) { - mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT; - pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1); - platform_device_register(&raumfeld_pwm_backlight_device); - } else - platform_device_register(&raumfeld_lt3593_device); - ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable"); if (ret < 0) pr_warning("Unable to request GPIO_TFT_VA_EN\n"); else gpio_direction_output(GPIO_TFT_VA_EN, 1); + msleep(100); + ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable"); if (ret < 0) pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n"); else gpio_direction_output(GPIO_DISPLAY_ENABLE, 1); + /* Hardware revision 2 has the backlight regulator controlled + * by an LT3593, earlier and later devices use PWM for that. */ + if ((system_rev & 0xff) == 2) { + platform_device_register(&raumfeld_lt3593_device); + } else { + mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT; + pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1); + platform_device_register(&raumfeld_pwm_backlight_device); + } + + pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info); platform_device_register(&pxa3xx_device_gcu); } @@ -657,10 +659,10 @@ static struct lis3lv02d_platform_data lis3_pdata = { #define SPI_AK4104 \ { \ - .modalias = "ak4104", \ - .max_speed_hz = 10000, \ - .bus_num = 0, \ - .chip_select = 0, \ + .modalias = "ak4104-codec", \ + .max_speed_hz = 10000, \ + .bus_num = 0, \ + .chip_select = 0, \ .controller_data = (void *) GPIO_SPDIF_CS, \ } diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c index dd3120df09fe..fc2dc0b3d4fe 100644 --- a/arch/arm/mach-s3c2440/mach-mini2440.c +++ b/arch/arm/mach-s3c2440/mach-mini2440.c @@ -552,7 +552,7 @@ struct mini2440_features_t { struct platform_device *optional[8]; }; -static void mini2440_parse_features( +static void __init mini2440_parse_features( struct mini2440_features_t * features, const char * features_str ) { diff --git a/arch/arm/mach-s3c64xx/dev-spi.c b/arch/arm/mach-s3c64xx/dev-spi.c index 82db072cb836..5e6b42089eb4 100644 --- a/arch/arm/mach-s3c64xx/dev-spi.c +++ b/arch/arm/mach-s3c64xx/dev-spi.c @@ -88,6 +88,7 @@ static struct s3c64xx_spi_info s3c64xx_spi0_pdata = { .cfg_gpio = s3c64xx_spi_cfg_gpio, .fifo_lvl_mask = 0x7f, .rx_lvl_offset = 13, + .tx_st_done = 21, }; static u64 spi_dmamask = DMA_BIT_MASK(32); @@ -132,6 +133,7 @@ static struct s3c64xx_spi_info s3c64xx_spi1_pdata = { .cfg_gpio = s3c64xx_spi_cfg_gpio, .fifo_lvl_mask = 0x7f, .rx_lvl_offset = 13, + .tx_st_done = 21, }; struct platform_device s3c64xx_device_spi1 = { diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index b197171e7d03..204bfafe4bfc 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -113,7 +113,7 @@ found: return chan; } -int s3c2410_dma_config(unsigned int channel, int xferunit) +int s3c2410_dma_config(enum dma_ch channel, int xferunit) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); @@ -297,7 +297,7 @@ static int s3c64xx_dma_flush(struct s3c2410_dma_chan *chan) return 0; } -int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op) +int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); @@ -331,7 +331,7 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl); * */ -int s3c2410_dma_enqueue(unsigned int channel, void *id, +int s3c2410_dma_enqueue(enum dma_ch channel, void *id, dma_addr_t data, int size) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); @@ -415,7 +415,7 @@ err_buff: EXPORT_SYMBOL(s3c2410_dma_enqueue); -int s3c2410_dma_devconfig(unsigned int channel, +int s3c2410_dma_devconfig(enum dma_ch channel, enum s3c2410_dmasrc source, unsigned long devaddr) { @@ -463,7 +463,7 @@ int s3c2410_dma_devconfig(unsigned int channel, EXPORT_SYMBOL(s3c2410_dma_devconfig); -int s3c2410_dma_getposition(unsigned int channel, +int s3c2410_dma_getposition(enum dma_ch channel, dma_addr_t *src, dma_addr_t *dst) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); @@ -487,7 +487,7 @@ EXPORT_SYMBOL(s3c2410_dma_getposition); * get control of an dma channel */ -int s3c2410_dma_request(unsigned int channel, +int s3c2410_dma_request(enum dma_ch channel, struct s3c2410_dma_client *client, void *dev) { @@ -533,7 +533,7 @@ EXPORT_SYMBOL(s3c2410_dma_request); * allowed to go through. */ -int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client) +int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); unsigned long flags; diff --git a/arch/arm/mach-s5p64x0/dev-spi.c b/arch/arm/mach-s5p64x0/dev-spi.c index e78ee18c76e3..ac825e826326 100644 --- a/arch/arm/mach-s5p64x0/dev-spi.c +++ b/arch/arm/mach-s5p64x0/dev-spi.c @@ -112,12 +112,14 @@ static struct s3c64xx_spi_info s5p6440_spi0_pdata = { .cfg_gpio = s5p6440_spi_cfg_gpio, .fifo_lvl_mask = 0x1ff, .rx_lvl_offset = 15, + .tx_st_done = 25, }; static struct s3c64xx_spi_info s5p6450_spi0_pdata = { .cfg_gpio = s5p6450_spi_cfg_gpio, .fifo_lvl_mask = 0x1ff, .rx_lvl_offset = 15, + .tx_st_done = 25, }; static u64 spi_dmamask = DMA_BIT_MASK(32); @@ -160,12 +162,14 @@ static struct s3c64xx_spi_info s5p6440_spi1_pdata = { .cfg_gpio = s5p6440_spi_cfg_gpio, .fifo_lvl_mask = 0x7f, .rx_lvl_offset = 15, + .tx_st_done = 25, }; static struct s3c64xx_spi_info s5p6450_spi1_pdata = { .cfg_gpio = s5p6450_spi_cfg_gpio, .fifo_lvl_mask = 0x7f, .rx_lvl_offset = 15, + .tx_st_done = 25, }; struct platform_device s5p64x0_device_spi1 = { diff --git a/arch/arm/mach-s5pc100/dev-spi.c b/arch/arm/mach-s5pc100/dev-spi.c index 57b19794d9bb..e5d6c4dceb56 100644 --- a/arch/arm/mach-s5pc100/dev-spi.c +++ b/arch/arm/mach-s5pc100/dev-spi.c @@ -15,6 +15,7 @@ #include <mach/dma.h> #include <mach/map.h> #include <mach/spi-clocks.h> +#include <mach/irqs.h> #include <plat/s3c64xx-spi.h> #include <plat/gpio-cfg.h> @@ -90,6 +91,7 @@ static struct s3c64xx_spi_info s5pc100_spi0_pdata = { .fifo_lvl_mask = 0x7f, .rx_lvl_offset = 13, .high_speed = 1, + .tx_st_done = 21, }; static u64 spi_dmamask = DMA_BIT_MASK(32); @@ -134,6 +136,7 @@ static struct s3c64xx_spi_info s5pc100_spi1_pdata = { .fifo_lvl_mask = 0x7f, .rx_lvl_offset = 13, .high_speed = 1, + .tx_st_done = 21, }; struct platform_device s5pc100_device_spi1 = { @@ -176,6 +179,7 @@ static struct s3c64xx_spi_info s5pc100_spi2_pdata = { .fifo_lvl_mask = 0x7f, .rx_lvl_offset = 13, .high_speed = 1, + .tx_st_done = 21, }; struct platform_device s5pc100_device_spi2 = { diff --git a/arch/arm/mach-s5pv210/dev-spi.c b/arch/arm/mach-s5pv210/dev-spi.c index e3249a47e3b1..eaf9a7bff7a0 100644 --- a/arch/arm/mach-s5pv210/dev-spi.c +++ b/arch/arm/mach-s5pv210/dev-spi.c @@ -85,6 +85,7 @@ static struct s3c64xx_spi_info s5pv210_spi0_pdata = { .fifo_lvl_mask = 0x1ff, .rx_lvl_offset = 15, .high_speed = 1, + .tx_st_done = 25, }; static u64 spi_dmamask = DMA_BIT_MASK(32); @@ -129,6 +130,7 @@ static struct s3c64xx_spi_info s5pv210_spi1_pdata = { .fifo_lvl_mask = 0x7f, .rx_lvl_offset = 15, .high_speed = 1, + .tx_st_done = 25, }; struct platform_device s5pv210_device_spi1 = { diff --git a/arch/arm/mach-vt8500/irq.c b/arch/arm/mach-vt8500/irq.c index 245140c0df10..642de0408f25 100644 --- a/arch/arm/mach-vt8500/irq.c +++ b/arch/arm/mach-vt8500/irq.c @@ -39,9 +39,10 @@ static void __iomem *ic_regbase; static void __iomem *sic_regbase; -static void vt8500_irq_mask(unsigned int irq) +static void vt8500_irq_mask(struct irq_data *d) { void __iomem *base = ic_regbase; + unsigned irq = d->irq; u8 edge; if (irq >= 64) { @@ -64,9 +65,10 @@ static void vt8500_irq_mask(unsigned int irq) } } -static void vt8500_irq_unmask(unsigned int irq) +static void vt8500_irq_unmask(struct irq_data *d) { void __iomem *base = ic_regbase; + unsigned irq = d->irq; u8 dctr; if (irq >= 64) { @@ -78,10 +80,11 @@ static void vt8500_irq_unmask(unsigned int irq) writeb(dctr, base + VT8500_IC_DCTR + irq); } -static int vt8500_irq_set_type(unsigned int irq, unsigned int flow_type) +static int vt8500_irq_set_type(struct irq_data *d, unsigned int flow_type) { void __iomem *base = ic_regbase; - unsigned int orig_irq = irq; + unsigned irq = d->irq; + unsigned orig_irq = irq; u8 dctr; if (irq >= 64) { @@ -114,11 +117,11 @@ static int vt8500_irq_set_type(unsigned int irq, unsigned int flow_type) } static struct irq_chip vt8500_irq_chip = { - .name = "vt8500", - .ack = vt8500_irq_mask, - .mask = vt8500_irq_mask, - .unmask = vt8500_irq_unmask, - .set_type = vt8500_irq_set_type, + .name = "vt8500", + .irq_ack = vt8500_irq_mask, + .irq_mask = vt8500_irq_mask, + .irq_unmask = vt8500_irq_unmask, + .irq_set_type = vt8500_irq_set_type, }; void __init vt8500_init_irq(void) diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index ef59099a5463..44c086710d2b 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -120,17 +120,22 @@ static void l2x0_cache_sync(void) spin_unlock_irqrestore(&l2x0_lock, flags); } -static void l2x0_flush_all(void) +static void __l2x0_flush_all(void) { - unsigned long flags; - - /* clean all ways */ - spin_lock_irqsave(&l2x0_lock, flags); debug_writel(0x03); writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_INV_WAY); cache_wait_way(l2x0_base + L2X0_CLEAN_INV_WAY, l2x0_way_mask); cache_sync(); debug_writel(0x00); +} + +static void l2x0_flush_all(void) +{ + unsigned long flags; + + /* clean all ways */ + spin_lock_irqsave(&l2x0_lock, flags); + __l2x0_flush_all(); spin_unlock_irqrestore(&l2x0_lock, flags); } @@ -266,7 +271,9 @@ static void l2x0_disable(void) unsigned long flags; spin_lock_irqsave(&l2x0_lock, flags); - writel(0, l2x0_base + L2X0_CTRL); + __l2x0_flush_all(); + writel_relaxed(0, l2x0_base + L2X0_CTRL); + dsb(); spin_unlock_irqrestore(&l2x0_lock, flags); } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 9d9e736c2b4f..594d677b92c8 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -759,7 +759,7 @@ early_param("vmalloc", early_vmalloc); static phys_addr_t lowmem_limit __initdata = 0; -static void __init sanity_check_meminfo(void) +void __init sanity_check_meminfo(void) { int i, j, highmem = 0; @@ -1032,8 +1032,9 @@ void __init paging_init(struct machine_desc *mdesc) { void *zero_page; + memblock_set_current_limit(lowmem_limit); + build_mem_type_table(); - sanity_check_meminfo(); prepare_page_table(); map_lowmem(); devicemaps_init(mdesc); diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 687d02319a41..941a98c9e8aa 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -27,6 +27,10 @@ void __init arm_mm_memblock_reserve(void) memblock_reserve(CONFIG_VECTORS_BASE, PAGE_SIZE); } +void __init sanity_check_meminfo(void) +{ +} + /* * paging_init() sets up the page tables, initialises the zone memory * maps, and sets up the zero page, bad page and bad page tables. diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c index 5b4fffab1eb4..41ab97ebe4cf 100644 --- a/arch/arm/plat-orion/gpio.c +++ b/arch/arm/plat-orion/gpio.c @@ -432,7 +432,7 @@ void __init orion_gpio_init(int gpio_base, int ngpio, ct->regs.mask = ochip->mask_offset + GPIO_EDGE_MASK_OFF; ct->regs.ack = GPIO_EDGE_CAUSE_OFF; ct->type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING; - ct->chip.irq_ack = irq_gc_ack; + ct->chip.irq_ack = irq_gc_ack_clr_bit; ct->chip.irq_mask = irq_gc_mask_clr_bit; ct->chip.irq_unmask = irq_gc_mask_set_bit; ct->chip.irq_set_type = gpio_irq_set_type; diff --git a/arch/arm/plat-pxa/gpio.c b/arch/arm/plat-pxa/gpio.c index 48ebb9479b61..a11dc3670505 100644 --- a/arch/arm/plat-pxa/gpio.c +++ b/arch/arm/plat-pxa/gpio.c @@ -50,7 +50,7 @@ static inline void __iomem *gpio_chip_base(struct gpio_chip *c) return container_of(c, struct pxa_gpio_chip, chip)->regbase; } -static inline struct pxa_gpio_chip *gpio_to_chip(unsigned gpio) +static inline struct pxa_gpio_chip *gpio_to_pxachip(unsigned gpio) { return &pxa_gpio_chips[gpio_to_bank(gpio)]; } @@ -161,7 +161,7 @@ static int pxa_gpio_irq_type(struct irq_data *d, unsigned int type) int gpio = irq_to_gpio(d->irq); unsigned long gpdr, mask = GPIO_bit(gpio); - c = gpio_to_chip(gpio); + c = gpio_to_pxachip(gpio); if (type == IRQ_TYPE_PROBE) { /* Don't mess with enabled GPIOs using preconfigured edges or @@ -230,7 +230,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) static void pxa_ack_muxed_gpio(struct irq_data *d) { int gpio = irq_to_gpio(d->irq); - struct pxa_gpio_chip *c = gpio_to_chip(gpio); + struct pxa_gpio_chip *c = gpio_to_pxachip(gpio); __raw_writel(GPIO_bit(gpio), c->regbase + GEDR_OFFSET); } @@ -238,7 +238,7 @@ static void pxa_ack_muxed_gpio(struct irq_data *d) static void pxa_mask_muxed_gpio(struct irq_data *d) { int gpio = irq_to_gpio(d->irq); - struct pxa_gpio_chip *c = gpio_to_chip(gpio); + struct pxa_gpio_chip *c = gpio_to_pxachip(gpio); uint32_t grer, gfer; c->irq_mask &= ~GPIO_bit(gpio); @@ -252,7 +252,7 @@ static void pxa_mask_muxed_gpio(struct irq_data *d) static void pxa_unmask_muxed_gpio(struct irq_data *d) { int gpio = irq_to_gpio(d->irq); - struct pxa_gpio_chip *c = gpio_to_chip(gpio); + struct pxa_gpio_chip *c = gpio_to_pxachip(gpio); c->irq_mask |= GPIO_bit(gpio); update_edge_detect(c); diff --git a/arch/arm/plat-pxa/include/plat/sdhci.h b/arch/arm/plat-pxa/include/plat/sdhci.h deleted file mode 100644 index 1ab332e37d7d..000000000000 --- a/arch/arm/plat-pxa/include/plat/sdhci.h +++ /dev/null @@ -1,35 +0,0 @@ -/* linux/arch/arm/plat-pxa/include/plat/sdhci.h - * - * Copyright 2010 Marvell - * Zhangfei Gao <zhangfei.gao@marvell.com> - * - * PXA Platform - SDHCI platform data definitions - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __PLAT_PXA_SDHCI_H -#define __PLAT_PXA_SDHCI_H - -/* pxa specific flag */ -/* Require clock free running */ -#define PXA_FLAG_DISABLE_CLOCK_GATING (1<<0) - -/* Board design supports 8-bit data on SD/SDIO BUS */ -#define PXA_FLAG_SD_8_BIT_CAPABLE_SLOT (1<<2) - -/* - * struct pxa_sdhci_platdata() - Platform device data for PXA SDHCI - * @max_speed: the maximum speed supported - * @quirks: quirks of specific device - * @flags: flags for platform requirement - */ -struct sdhci_pxa_platdata { - unsigned int max_speed; - unsigned int quirks; - unsigned int flags; -}; - -#endif /* __PLAT_PXA_SDHCI_H */ diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index 2abf9660bc6c..539bd0e3defd 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c @@ -712,7 +712,7 @@ static struct s3c2410_dma_chan *s3c2410_dma_map_channel(int channel); * get control of an dma channel */ -int s3c2410_dma_request(unsigned int channel, +int s3c2410_dma_request(enum dma_ch channel, struct s3c2410_dma_client *client, void *dev) { @@ -783,7 +783,7 @@ EXPORT_SYMBOL(s3c2410_dma_request); * allowed to go through. */ -int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client) +int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); unsigned long flags; @@ -974,7 +974,7 @@ static int s3c2410_dma_started(struct s3c2410_dma_chan *chan) } int -s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op) +s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); @@ -1021,23 +1021,19 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl); * xfersize: size of unit in bytes (1,2,4) */ -int s3c2410_dma_config(unsigned int channel, +int s3c2410_dma_config(enum dma_ch channel, int xferunit) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); unsigned int dcon; - pr_debug("%s: chan=%d, xfer_unit=%d, dcon=%08x\n", - __func__, channel, xferunit, dcon); + pr_debug("%s: chan=%d, xfer_unit=%d\n", __func__, channel, xferunit); if (chan == NULL) return -EINVAL; - pr_debug("%s: Initial dcon is %08x\n", __func__, dcon); - dcon = chan->dcon & dma_sel.dcon_mask; - - pr_debug("%s: New dcon is %08x\n", __func__, dcon); + pr_debug("%s: dcon is %08x\n", __func__, dcon); switch (chan->req_ch) { case DMACH_I2S_IN: @@ -1104,7 +1100,7 @@ EXPORT_SYMBOL(s3c2410_dma_config); * devaddr: physical address of the source */ -int s3c2410_dma_devconfig(unsigned int channel, +int s3c2410_dma_devconfig(enum dma_ch channel, enum s3c2410_dmasrc source, unsigned long devaddr) { @@ -1177,7 +1173,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig); * returns the current transfer points for the dma source and destination */ -int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *dst) +int s3c2410_dma_getposition(enum dma_ch channel, dma_addr_t *src, dma_addr_t *dst) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); @@ -1235,7 +1231,7 @@ static void s3c2410_dma_resume_chan(struct s3c2410_dma_chan *cp) /* restore channel's hardware configuration */ if (!cp->in_use) - return 0; + return; printk(KERN_INFO "dma%d: restoring configuration\n", cp->number); @@ -1246,8 +1242,6 @@ static void s3c2410_dma_resume_chan(struct s3c2410_dma_chan *cp) if (cp->map != NULL) dma_sel.select(cp, cp->map); - - return 0; } static void s3c2410_dma_resume(void) diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c index 135abda31c9a..327ab9f662e8 100644 --- a/arch/arm/plat-s5p/irq-gpioint.c +++ b/arch/arm/plat-s5p/irq-gpioint.c @@ -152,7 +152,7 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) if (!gc) return -ENOMEM; ct = gc->chip_types; - ct->chip.irq_ack = irq_gc_ack; + ct->chip.irq_ack = irq_gc_ack_set_bit; ct->chip.irq_mask = irq_gc_mask_set_bit; ct->chip.irq_unmask = irq_gc_mask_clr_bit; ct->chip.irq_set_type = s5p_gpioint_set_type, diff --git a/arch/arm/plat-s5p/s5p-time.c b/arch/arm/plat-s5p/s5p-time.c index 899a8cc011ff..612934c48b0d 100644 --- a/arch/arm/plat-s5p/s5p-time.c +++ b/arch/arm/plat-s5p/s5p-time.c @@ -370,11 +370,11 @@ static void __init s5p_clocksource_init(void) clock_rate = clk_get_rate(tin_source); - init_sched_clock(&cd, s5p_update_sched_clock, 32, clock_rate); - s5p_time_setup(timer_source.source_id, TCNT_MAX); s5p_time_start(timer_source.source_id, PERIODIC); + init_sched_clock(&cd, s5p_update_sched_clock, 32, clock_rate); + if (clocksource_register_hz(&time_clocksource, clock_rate)) panic("%s: can't register clocksource\n", time_clocksource.name); } diff --git a/arch/arm/plat-samsung/dma.c b/arch/arm/plat-samsung/dma.c index cb459dd95459..6143aa147688 100644 --- a/arch/arm/plat-samsung/dma.c +++ b/arch/arm/plat-samsung/dma.c @@ -41,7 +41,7 @@ struct s3c2410_dma_chan *s3c_dma_lookup_channel(unsigned int channel) * irq? */ -int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn) +int s3c2410_dma_set_opfn(enum dma_ch channel, s3c2410_dma_opfn_t rtn) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); @@ -56,7 +56,7 @@ int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn) } EXPORT_SYMBOL(s3c2410_dma_set_opfn); -int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn) +int s3c2410_dma_set_buffdone_fn(enum dma_ch channel, s3c2410_dma_cbfn_t rtn) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); @@ -71,7 +71,7 @@ int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn) } EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn); -int s3c2410_dma_setflags(unsigned int channel, unsigned int flags) +int s3c2410_dma_setflags(enum dma_ch channel, unsigned int flags) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h index 4af108ff4112..e3b31c26ac3e 100644 --- a/arch/arm/plat-samsung/include/plat/devs.h +++ b/arch/arm/plat-samsung/include/plat/devs.h @@ -12,6 +12,10 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ + +#ifndef __PLAT_DEVS_H +#define __PLAT_DEVS_H __FILE__ + #include <linux/platform_device.h> struct s3c24xx_uart_resources { @@ -159,3 +163,5 @@ extern struct platform_device s3c_device_ac97; */ extern void *s3c_set_platdata(void *pd, size_t pdsize, struct platform_device *pdev); + +#endif /* __PLAT_DEVS_H */ diff --git a/arch/arm/plat-samsung/include/plat/dma.h b/arch/arm/plat-samsung/include/plat/dma.h index 2e8f8c6560d7..8c273b7a6f56 100644 --- a/arch/arm/plat-samsung/include/plat/dma.h +++ b/arch/arm/plat-samsung/include/plat/dma.h @@ -42,6 +42,7 @@ struct s3c2410_dma_client { }; struct s3c2410_dma_chan; +enum dma_ch; /* s3c2410_dma_cbfn_t * @@ -62,7 +63,7 @@ typedef int (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *, * request a dma channel exclusivley */ -extern int s3c2410_dma_request(unsigned int channel, +extern int s3c2410_dma_request(enum dma_ch channel, struct s3c2410_dma_client *, void *dev); @@ -71,14 +72,14 @@ extern int s3c2410_dma_request(unsigned int channel, * change the state of the dma channel */ -extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op); +extern int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op); /* s3c2410_dma_setflags * * set the channel's flags to a given state */ -extern int s3c2410_dma_setflags(unsigned int channel, +extern int s3c2410_dma_setflags(enum dma_ch channel, unsigned int flags); /* s3c2410_dma_free @@ -86,7 +87,7 @@ extern int s3c2410_dma_setflags(unsigned int channel, * free the dma channel (will also abort any outstanding operations) */ -extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *); +extern int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *); /* s3c2410_dma_enqueue * @@ -95,7 +96,7 @@ extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *); * drained before the buffer is given to the DMA system. */ -extern int s3c2410_dma_enqueue(unsigned int channel, void *id, +extern int s3c2410_dma_enqueue(enum dma_ch channel, void *id, dma_addr_t data, int size); /* s3c2410_dma_config @@ -103,14 +104,14 @@ extern int s3c2410_dma_enqueue(unsigned int channel, void *id, * configure the dma channel */ -extern int s3c2410_dma_config(unsigned int channel, int xferunit); +extern int s3c2410_dma_config(enum dma_ch channel, int xferunit); /* s3c2410_dma_devconfig * * configure the device we're talking to */ -extern int s3c2410_dma_devconfig(unsigned int channel, +extern int s3c2410_dma_devconfig(enum dma_ch channel, enum s3c2410_dmasrc source, unsigned long devaddr); /* s3c2410_dma_getposition @@ -118,10 +119,10 @@ extern int s3c2410_dma_devconfig(unsigned int channel, * get the position that the dma transfer is currently at */ -extern int s3c2410_dma_getposition(unsigned int channel, +extern int s3c2410_dma_getposition(enum dma_ch channel, dma_addr_t *src, dma_addr_t *dest); -extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn); -extern int s3c2410_dma_set_buffdone_fn(unsigned int, s3c2410_dma_cbfn_t rtn); +extern int s3c2410_dma_set_opfn(enum dma_ch, s3c2410_dma_opfn_t rtn); +extern int s3c2410_dma_set_buffdone_fn(enum dma_ch, s3c2410_dma_cbfn_t rtn); diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h index 0ffe34a21554..4c16fa3621bb 100644 --- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h +++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h @@ -39,6 +39,7 @@ struct s3c64xx_spi_csinfo { * @fifo_lvl_mask: All tx fifo_lvl fields start at offset-6 * @rx_lvl_offset: Depends on tx fifo_lvl field and bus number * @high_speed: If the controller supports HIGH_SPEED_EN bit + * @tx_st_done: Depends on tx fifo_lvl field */ struct s3c64xx_spi_info { int src_clk_nr; @@ -53,6 +54,7 @@ struct s3c64xx_spi_info { int fifo_lvl_mask; int rx_lvl_offset; int high_speed; + int tx_st_done; }; /** diff --git a/arch/arm/plat-samsung/irq-uart.c b/arch/arm/plat-samsung/irq-uart.c index 32582c0958e3..657405c481d0 100644 --- a/arch/arm/plat-samsung/irq-uart.c +++ b/arch/arm/plat-samsung/irq-uart.c @@ -54,8 +54,15 @@ static void __init s3c_init_uart_irq(struct s3c_uart_irq *uirq) gc = irq_alloc_generic_chip("s3c-uart", 1, uirq->base_irq, reg_base, handle_level_irq); + + if (!gc) { + pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n", + __func__, uirq->base_irq); + return; + } + ct = gc->chip_types; - ct->chip.irq_ack = irq_gc_ack; + ct->chip.irq_ack = irq_gc_ack_set_bit; ct->chip.irq_mask = irq_gc_mask_set_bit; ct->chip.irq_unmask = irq_gc_mask_clr_bit; ct->regs.ack = S3C64XX_UINTP; diff --git a/arch/arm/plat-samsung/irq-vic-timer.c b/arch/arm/plat-samsung/irq-vic-timer.c index a607546ddbd0..f714d060370d 100644 --- a/arch/arm/plat-samsung/irq-vic-timer.c +++ b/arch/arm/plat-samsung/irq-vic-timer.c @@ -54,6 +54,13 @@ void __init s3c_init_vic_timer_irq(unsigned int num, unsigned int timer_irq) s3c_tgc = irq_alloc_generic_chip("s3c-timer", 1, timer_irq, S3C64XX_TINT_CSTAT, handle_level_irq); + + if (!s3c_tgc) { + pr_err("%s: irq_alloc_generic_chip for IRQ %d failed\n", + __func__, timer_irq); + return; + } + ct = s3c_tgc->chip_types; ct->chip.irq_mask = irq_gc_mask_clr_bit; ct->chip.irq_unmask = irq_gc_mask_set_bit; diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c index c018696765d4..5c74eb797f08 100644 --- a/arch/mips/kernel/i8259.c +++ b/arch/mips/kernel/i8259.c @@ -14,7 +14,7 @@ #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/spinlock.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/irq.h> #include <asm/i8259.h> @@ -215,14 +215,13 @@ spurious_8259A_irq: } } -static int i8259A_resume(struct sys_device *dev) +static void i8259A_resume(void) { if (i8259A_auto_eoi >= 0) init_8259A(i8259A_auto_eoi); - return 0; } -static int i8259A_shutdown(struct sys_device *dev) +static void i8259A_shutdown(void) { /* Put the i8259A into a quiescent state that * the kernel initialization code can get it @@ -232,26 +231,17 @@ static int i8259A_shutdown(struct sys_device *dev) outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */ outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */ } - return 0; } -static struct sysdev_class i8259_sysdev_class = { - .name = "i8259", +static struct syscore_ops i8259_syscore_ops = { .resume = i8259A_resume, .shutdown = i8259A_shutdown, }; -static struct sys_device device_i8259A = { - .id = 0, - .cls = &i8259_sysdev_class, -}; - static int __init i8259A_init_sysfs(void) { - int error = sysdev_class_register(&i8259_sysdev_class); - if (!error) - error = sysdev_register(&device_i8259A); - return error; + register_syscore_ops(&i8259_syscore_ops); + return 0; } device_initcall(i8259A_init_sysfs); diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index 33867ec4a234..9d6a8effeda2 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -12,6 +12,8 @@ #include <linux/of.h> #include <linux/memblock.h> #include <linux/vmalloc.h> +#include <linux/memory.h> + #include <asm/firmware.h> #include <asm/machdep.h> #include <asm/pSeries_reconfig.h> @@ -20,24 +22,25 @@ static unsigned long get_memblock_size(void) { struct device_node *np; - unsigned int memblock_size = 0; + unsigned int memblock_size = MIN_MEMORY_BLOCK_SIZE; + struct resource r; np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory"); if (np) { - const unsigned long *size; + const __be64 *size; size = of_get_property(np, "ibm,lmb-size", NULL); - memblock_size = size ? *size : 0; - + if (size) + memblock_size = be64_to_cpup(size); of_node_put(np); - } else { + } else if (machine_is(pseries)) { + /* This fallback really only applies to pseries */ unsigned int memzero_size = 0; - const unsigned int *regs; np = of_find_node_by_path("/memory@0"); if (np) { - regs = of_get_property(np, "reg", NULL); - memzero_size = regs ? regs[3] : 0; + if (!of_address_to_resource(np, 0, &r)) + memzero_size = resource_size(&r); of_node_put(np); } @@ -50,16 +53,21 @@ static unsigned long get_memblock_size(void) sprintf(buf, "/memory@%x", memzero_size); np = of_find_node_by_path(buf); if (np) { - regs = of_get_property(np, "reg", NULL); - memblock_size = regs ? regs[3] : 0; + if (!of_address_to_resource(np, 0, &r)) + memblock_size = resource_size(&r); of_node_put(np); } } } - return memblock_size; } +/* WARNING: This is going to override the generic definition whenever + * pseries is built-in regardless of what platform is active at boot + * time. This is fine for now as this is the only "option" and it + * should work everywhere. If not, we'll have to turn this into a + * ppc_md. callback + */ unsigned long memory_block_size_bytes(void) { return get_memblock_size(); diff --git a/arch/sparc/include/asm/irqflags_32.h b/arch/sparc/include/asm/irqflags_32.h index d4d0711de0f9..14848909e0de 100644 --- a/arch/sparc/include/asm/irqflags_32.h +++ b/arch/sparc/include/asm/irqflags_32.h @@ -18,7 +18,7 @@ extern void arch_local_irq_restore(unsigned long); extern unsigned long arch_local_irq_save(void); extern void arch_local_irq_enable(void); -static inline unsigned long arch_local_save_flags(void) +static inline notrace unsigned long arch_local_save_flags(void) { unsigned long flags; @@ -26,17 +26,17 @@ static inline unsigned long arch_local_save_flags(void) return flags; } -static inline void arch_local_irq_disable(void) +static inline notrace void arch_local_irq_disable(void) { arch_local_irq_save(); } -static inline bool arch_irqs_disabled_flags(unsigned long flags) +static inline notrace bool arch_irqs_disabled_flags(unsigned long flags) { return (flags & PSR_PIL) != 0; } -static inline bool arch_irqs_disabled(void) +static inline notrace bool arch_irqs_disabled(void) { return arch_irqs_disabled_flags(arch_local_save_flags()); } diff --git a/arch/sparc/include/asm/irqflags_64.h b/arch/sparc/include/asm/irqflags_64.h index aab969c82c2b..23cd27f6beb4 100644 --- a/arch/sparc/include/asm/irqflags_64.h +++ b/arch/sparc/include/asm/irqflags_64.h @@ -14,7 +14,7 @@ #ifndef __ASSEMBLY__ -static inline unsigned long arch_local_save_flags(void) +static inline notrace unsigned long arch_local_save_flags(void) { unsigned long flags; @@ -26,7 +26,7 @@ static inline unsigned long arch_local_save_flags(void) return flags; } -static inline void arch_local_irq_restore(unsigned long flags) +static inline notrace void arch_local_irq_restore(unsigned long flags) { __asm__ __volatile__( "wrpr %0, %%pil" @@ -36,7 +36,7 @@ static inline void arch_local_irq_restore(unsigned long flags) ); } -static inline void arch_local_irq_disable(void) +static inline notrace void arch_local_irq_disable(void) { __asm__ __volatile__( "wrpr %0, %%pil" @@ -46,7 +46,7 @@ static inline void arch_local_irq_disable(void) ); } -static inline void arch_local_irq_enable(void) +static inline notrace void arch_local_irq_enable(void) { __asm__ __volatile__( "wrpr 0, %%pil" @@ -56,17 +56,17 @@ static inline void arch_local_irq_enable(void) ); } -static inline int arch_irqs_disabled_flags(unsigned long flags) +static inline notrace int arch_irqs_disabled_flags(unsigned long flags) { return (flags > 0); } -static inline int arch_irqs_disabled(void) +static inline notrace int arch_irqs_disabled(void) { return arch_irqs_disabled_flags(arch_local_save_flags()); } -static inline unsigned long arch_local_irq_save(void) +static inline notrace unsigned long arch_local_irq_save(void) { unsigned long flags, tmp; diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h index c7ad3fe2b252..b928b31424b1 100644 --- a/arch/sparc/include/asm/ptrace.h +++ b/arch/sparc/include/asm/ptrace.h @@ -205,6 +205,7 @@ do { current_thread_info()->syscall_noerror = 1; \ } while (0) #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) #define instruction_pointer(regs) ((regs)->tpc) +#define instruction_pointer_set(regs, val) ((regs)->tpc = (val)) #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) #define regs_return_value(regs) ((regs)->u_regs[UREG_I0]) #ifdef CONFIG_SMP diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index 9fe08a1ea6c6..f445e98463e6 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -293,7 +293,7 @@ maybe_smp4m_msg: WRITE_PAUSE wr %l4, PSR_ET, %psr WRITE_PAUSE - sll %o3, 28, %o2 ! shift for simpler checks below + srl %o3, 28, %o2 ! shift for simpler checks below maybe_smp4m_msg_check_single: andcc %o2, 0x1, %g0 beq,a maybe_smp4m_msg_check_mask diff --git a/arch/sparc/mm/leon_mm.c b/arch/sparc/mm/leon_mm.c index c0e01297e64e..e485a6804998 100644 --- a/arch/sparc/mm/leon_mm.c +++ b/arch/sparc/mm/leon_mm.c @@ -226,7 +226,7 @@ void leon3_getCacheRegs(struct leon3_cacheregs *regs) * Leon2 and Leon3 differ in their way of telling cache information * */ -int leon_flush_needed(void) +int __init leon_flush_needed(void) { int flush_needed = -1; unsigned int ssize, sets; diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index da349723d411..37357a599dca 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1170,7 +1170,7 @@ comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI" config AMD_NUMA def_bool y prompt "Old style AMD Opteron NUMA detection" - depends on NUMA && PCI + depends on X86_64 && NUMA && PCI ---help--- Enable AMD NUMA node topology detection. You should say Y here if you have a multi processor AMD system. This uses an old method to diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 4f0d46fefa7f..9242436e9937 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -419,6 +419,30 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"), }, }, + { /* Handle problems with rebooting on the Latitude E6320. */ + .callback = set_pci_reboot, + .ident = "Dell Latitude E6320", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6320"), + }, + }, + { /* Handle problems with rebooting on the Latitude E5420. */ + .callback = set_pci_reboot, + .ident = "Dell Latitude E5420", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E5420"), + }, + }, + { /* Handle problems with rebooting on the Latitude E6420. */ + .callback = set_pci_reboot, + .ident = "Dell Latitude E6420", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6420"), + }, + }, { } }; diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index d865c4aeec55..bbaaa005bf0e 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -28,6 +28,7 @@ #include <linux/poison.h> #include <linux/dma-mapping.h> #include <linux/module.h> +#include <linux/memory.h> #include <linux/memory_hotplug.h> #include <linux/nmi.h> #include <linux/gfp.h> @@ -895,8 +896,6 @@ const char *arch_vma_name(struct vm_area_struct *vma) } #ifdef CONFIG_X86_UV -#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS) - unsigned long memory_block_size_bytes(void) { if (is_uv_system()) { diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c index 25c52f94a27c..ffcf2615640b 100644 --- a/arch/x86/xen/platform-pci-unplug.c +++ b/arch/x86/xen/platform-pci-unplug.c @@ -35,7 +35,7 @@ EXPORT_SYMBOL_GPL(xen_platform_pci_unplug); #ifdef CONFIG_XEN_PVHVM static int xen_emul_unplug; -static int __init check_platform_magic(void) +static int check_platform_magic(void) { short magic; char protocol; diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index f3799432676d..ae21919f15e1 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -2773,11 +2773,14 @@ static void __cfq_exit_single_io_context(struct cfq_data *cfqd, smp_wmb(); cic->key = cfqd_dead_key(cfqd); + rcu_read_lock(); if (rcu_dereference(ioc->ioc_data) == cic) { + rcu_read_unlock(); spin_lock(&ioc->lock); rcu_assign_pointer(ioc->ioc_data, NULL); spin_unlock(&ioc->lock); - } + } else + rcu_read_unlock(); if (cic->cfqq[BLK_RW_ASYNC]) { cfq_exit_cfqq(cfqd, cic->cfqq[BLK_RW_ASYNC]); @@ -3084,7 +3087,8 @@ cfq_drop_dead_cic(struct cfq_data *cfqd, struct io_context *ioc, spin_lock_irqsave(&ioc->lock, flags); - BUG_ON(ioc->ioc_data == cic); + BUG_ON(rcu_dereference_check(ioc->ioc_data, + lockdep_is_held(&ioc->lock)) == cic); radix_tree_delete(&ioc->radix_root, cfqd->cic_index); hlist_del_rcu(&cic->cic_list); diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c index abda3786a5d7..181bc2f7bb74 100644 --- a/drivers/acpi/apei/hest.c +++ b/drivers/acpi/apei/hest.c @@ -139,13 +139,23 @@ static int __init hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data) { struct platform_device *ghes_dev; struct ghes_arr *ghes_arr = data; - int rc; + int rc, i; if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR) return 0; if (!((struct acpi_hest_generic *)hest_hdr)->enabled) return 0; + for (i = 0; i < ghes_arr->count; i++) { + struct acpi_hest_header *hdr; + ghes_dev = ghes_arr->ghes_devs[i]; + hdr = *(struct acpi_hest_header **)ghes_dev->dev.platform_data; + if (hdr->source_id == hest_hdr->source_id) { + pr_warning(FW_WARN HEST_PFX "Duplicated hardware error source ID: %d.\n", + hdr->source_id); + return -EIO; + } + } ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id); if (!ghes_dev) return -ENOMEM; diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 52ca9649d769..372f9b70f7f4 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1333,23 +1333,6 @@ int acpi_resources_are_enforced(void) EXPORT_SYMBOL(acpi_resources_are_enforced); /* - * Create and initialize a spinlock. - */ -acpi_status -acpi_os_create_lock(acpi_spinlock *out_handle) -{ - spinlock_t *lock; - - lock = ACPI_ALLOCATE(sizeof(spinlock_t)); - if (!lock) - return AE_NO_MEMORY; - spin_lock_init(lock); - *out_handle = lock; - - return AE_OK; -} - -/* * Deallocate the memory for a spinlock. */ void acpi_os_delete_lock(acpi_spinlock handle) diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 9f9b2359f718..45d7c8fc73bd 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -30,7 +30,6 @@ static DEFINE_MUTEX(mem_sysfs_mutex); #define MEMORY_CLASS_NAME "memory" -#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS) static int sections_per_block; diff --git a/drivers/base/syscore.c b/drivers/base/syscore.c index c126db3cb7d1..e8d11b6630ee 100644 --- a/drivers/base/syscore.c +++ b/drivers/base/syscore.c @@ -9,6 +9,7 @@ #include <linux/syscore_ops.h> #include <linux/mutex.h> #include <linux/module.h> +#include <linux/interrupt.h> static LIST_HEAD(syscore_ops_list); static DEFINE_MUTEX(syscore_ops_lock); @@ -48,6 +49,13 @@ int syscore_suspend(void) struct syscore_ops *ops; int ret = 0; + pr_debug("Checking wakeup interrupts\n"); + + /* Return error code if there are any wakeup interrupts pending. */ + ret = check_wakeup_irqs(); + if (ret) + return ret; + WARN_ONCE(!irqs_disabled(), "Interrupts enabled before system core suspend.\n"); diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 09ef9a878ef0..cf0e63dd97da 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -79,7 +79,7 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, md_io.error = 0; if ((rw & WRITE) && !test_bit(MD_NO_FUA, &mdev->flags)) - rw |= REQ_FUA; + rw |= REQ_FUA | REQ_FLUSH; rw |= REQ_SYNC; bio = bio_alloc(GFP_NOIO, 1); diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index f440a02dfdb1..7b976296b564 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -112,9 +112,6 @@ struct drbd_bitmap { struct task_struct *bm_task; }; -static int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s, - unsigned long e, int val, const enum km_type km); - #define bm_print_lock_info(m) __bm_print_lock_info(m, __func__) static void __bm_print_lock_info(struct drbd_conf *mdev, const char *func) { @@ -994,6 +991,9 @@ static void bm_page_io_async(struct bm_aio_ctx *ctx, int page_nr, int rw) __must bio_endio(bio, -EIO); } else { submit_bio(rw, bio); + /* this should not count as user activity and cause the + * resync to throttle -- see drbd_rs_should_slow_down(). */ + atomic_add(len >> 9, &mdev->rs_sect_ev); } } @@ -1256,7 +1256,7 @@ unsigned long _drbd_bm_find_next_zero(struct drbd_conf *mdev, unsigned long bm_f * expected to be called for only a few bits (e - s about BITS_PER_LONG). * Must hold bitmap lock already. */ static int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s, - unsigned long e, int val, const enum km_type km) + unsigned long e, int val) { struct drbd_bitmap *b = mdev->bitmap; unsigned long *p_addr = NULL; @@ -1274,14 +1274,14 @@ static int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s, unsigned int page_nr = bm_bit_to_page_idx(b, bitnr); if (page_nr != last_page_nr) { if (p_addr) - __bm_unmap(p_addr, km); + __bm_unmap(p_addr, KM_IRQ1); if (c < 0) bm_set_page_lazy_writeout(b->bm_pages[last_page_nr]); else if (c > 0) bm_set_page_need_writeout(b->bm_pages[last_page_nr]); changed_total += c; c = 0; - p_addr = __bm_map_pidx(b, page_nr, km); + p_addr = __bm_map_pidx(b, page_nr, KM_IRQ1); last_page_nr = page_nr; } if (val) @@ -1290,7 +1290,7 @@ static int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s, c -= (0 != __test_and_clear_bit_le(bitnr & BITS_PER_PAGE_MASK, p_addr)); } if (p_addr) - __bm_unmap(p_addr, km); + __bm_unmap(p_addr, KM_IRQ1); if (c < 0) bm_set_page_lazy_writeout(b->bm_pages[last_page_nr]); else if (c > 0) @@ -1318,7 +1318,7 @@ static int bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s, if ((val ? BM_DONT_SET : BM_DONT_CLEAR) & b->bm_flags) bm_print_lock_info(mdev); - c = __bm_change_bits_to(mdev, s, e, val, KM_IRQ1); + c = __bm_change_bits_to(mdev, s, e, val); spin_unlock_irqrestore(&b->bm_lock, flags); return c; @@ -1343,16 +1343,17 @@ static inline void bm_set_full_words_within_one_page(struct drbd_bitmap *b, { int i; int bits; - unsigned long *paddr = kmap_atomic(b->bm_pages[page_nr], KM_USER0); + unsigned long *paddr = kmap_atomic(b->bm_pages[page_nr], KM_IRQ1); for (i = first_word; i < last_word; i++) { bits = hweight_long(paddr[i]); paddr[i] = ~0UL; b->bm_set += BITS_PER_LONG - bits; } - kunmap_atomic(paddr, KM_USER0); + kunmap_atomic(paddr, KM_IRQ1); } -/* Same thing as drbd_bm_set_bits, but without taking the spin_lock_irqsave. +/* Same thing as drbd_bm_set_bits, + * but more efficient for a large bit range. * You must first drbd_bm_lock(). * Can be called to set the whole bitmap in one go. * Sets bits from s to e _inclusive_. */ @@ -1366,6 +1367,7 @@ void _drbd_bm_set_bits(struct drbd_conf *mdev, const unsigned long s, const unsi * Do not use memset, because we must account for changes, * so we need to loop over the words with hweight() anyways. */ + struct drbd_bitmap *b = mdev->bitmap; unsigned long sl = ALIGN(s,BITS_PER_LONG); unsigned long el = (e+1) & ~((unsigned long)BITS_PER_LONG-1); int first_page; @@ -1376,15 +1378,19 @@ void _drbd_bm_set_bits(struct drbd_conf *mdev, const unsigned long s, const unsi if (e - s <= 3*BITS_PER_LONG) { /* don't bother; el and sl may even be wrong. */ - __bm_change_bits_to(mdev, s, e, 1, KM_USER0); + spin_lock_irq(&b->bm_lock); + __bm_change_bits_to(mdev, s, e, 1); + spin_unlock_irq(&b->bm_lock); return; } /* difference is large enough that we can trust sl and el */ + spin_lock_irq(&b->bm_lock); + /* bits filling the current long */ if (sl) - __bm_change_bits_to(mdev, s, sl-1, 1, KM_USER0); + __bm_change_bits_to(mdev, s, sl-1, 1); first_page = sl >> (3 + PAGE_SHIFT); last_page = el >> (3 + PAGE_SHIFT); @@ -1397,8 +1403,10 @@ void _drbd_bm_set_bits(struct drbd_conf *mdev, const unsigned long s, const unsi /* first and full pages, unless first page == last page */ for (page_nr = first_page; page_nr < last_page; page_nr++) { bm_set_full_words_within_one_page(mdev->bitmap, page_nr, first_word, last_word); + spin_unlock_irq(&b->bm_lock); cond_resched(); first_word = 0; + spin_lock_irq(&b->bm_lock); } /* last page (respectively only page, for first page == last page) */ @@ -1411,7 +1419,8 @@ void _drbd_bm_set_bits(struct drbd_conf *mdev, const unsigned long s, const unsi * it would trigger an assert in __bm_change_bits_to() */ if (el <= e) - __bm_change_bits_to(mdev, el, e, 1, KM_USER0); + __bm_change_bits_to(mdev, el, e, 1); + spin_unlock_irq(&b->bm_lock); } /* returns bit state diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 25d32c5aa50a..43beaca53179 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -4602,6 +4602,11 @@ int drbd_asender(struct drbd_thread *thi) dev_err(DEV, "meta connection shut down by peer.\n"); goto reconnect; } else if (rv == -EAGAIN) { + /* If the data socket received something meanwhile, + * that is good enough: peer is still alive. */ + if (time_after(mdev->last_received, + jiffies - mdev->meta.socket->sk->sk_rcvtimeo)) + continue; if (ping_timeout_active) { dev_err(DEV, "PingAck did not arrive in time.\n"); goto reconnect; @@ -4637,6 +4642,7 @@ int drbd_asender(struct drbd_thread *thi) goto reconnect; } if (received == expect) { + mdev->last_received = jiffies; D_ASSERT(cmd != NULL); if (!cmd->process(mdev, h)) goto reconnect; diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 4d76b06b6b20..4d3e6f6213ba 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -536,12 +536,7 @@ static int w_make_resync_request(struct drbd_conf *mdev, return 1; } - /* starting with drbd 8.3.8, we can handle multi-bio EEs, - * if it should be necessary */ - max_bio_size = - mdev->agreed_pro_version < 94 ? queue_max_hw_sectors(mdev->rq_queue) << 9 : - mdev->agreed_pro_version < 95 ? DRBD_MAX_SIZE_H80_PACKET : DRBD_MAX_BIO_SIZE; - + max_bio_size = queue_max_hw_sectors(mdev->rq_queue) << 9; number = drbd_rs_number_requests(mdev); if (number == 0) goto requeue; diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h index 999803ce10dc..5da67f165afa 100644 --- a/drivers/char/agp/intel-agp.h +++ b/drivers/char/agp/intel-agp.h @@ -90,9 +90,10 @@ #define G4x_GMCH_SIZE_MASK (0xf << 8) #define G4x_GMCH_SIZE_1M (0x1 << 8) #define G4x_GMCH_SIZE_2M (0x3 << 8) -#define G4x_GMCH_SIZE_VT_1M (0x9 << 8) -#define G4x_GMCH_SIZE_VT_1_5M (0xa << 8) -#define G4x_GMCH_SIZE_VT_2M (0xc << 8) +#define G4x_GMCH_SIZE_VT_EN (0x8 << 8) +#define G4x_GMCH_SIZE_VT_1M (G4x_GMCH_SIZE_1M | G4x_GMCH_SIZE_VT_EN) +#define G4x_GMCH_SIZE_VT_1_5M ((0x2 << 8) | G4x_GMCH_SIZE_VT_EN) +#define G4x_GMCH_SIZE_VT_2M (G4x_GMCH_SIZE_2M | G4x_GMCH_SIZE_VT_EN) #define GFX_FLSH_CNTL 0x2170 /* 915+ */ diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 4e04e1274388..596d5dd32f41 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -759,7 +759,7 @@ static void __exit acpi_cpufreq_exit(void) cpufreq_unregister_driver(&acpi_cpufreq_driver); - free_percpu(acpi_perf_data); + free_acpi_perf_data(); } module_param(acpi_pstate_strict, uint, 0644); diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 438e6c831170..ebb897329c1e 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -264,6 +264,7 @@ static char ohci_driver_name[] = KBUILD_MODNAME; #define PCI_DEVICE_ID_AGERE_FW643 0x5901 #define PCI_DEVICE_ID_JMICRON_JMB38X_FW 0x2380 #define PCI_DEVICE_ID_TI_TSB12LV22 0x8009 +#define PCI_VENDOR_ID_PINNACLE_SYSTEMS 0x11bd #define QUIRK_CYCLE_TIMER 1 #define QUIRK_RESET_PACKET 2 @@ -3190,6 +3191,11 @@ static int __devinit pci_probe(struct pci_dev *dev, int i, err; size_t size; + if (dev->vendor == PCI_VENDOR_ID_PINNACLE_SYSTEMS) { + dev_err(&dev->dev, "Pinnacle MovieBoard is not yet supported\n"); + return -ENOSYS; + } + ohci = kzalloc(sizeof(*ohci), GFP_KERNEL); if (ohci == NULL) { err = -ENOMEM; diff --git a/drivers/gpio/langwell_gpio.c b/drivers/gpio/langwell_gpio.c index bd6571e0097a..644ba1255d3c 100644 --- a/drivers/gpio/langwell_gpio.c +++ b/drivers/gpio/langwell_gpio.c @@ -223,7 +223,7 @@ static void lnw_irq_handler(unsigned irq, struct irq_desc *desc) gedr = gpio_reg(&lnw->chip, base, GEDR); pending = readl(gedr); while (pending) { - gpio = __ffs(pending) - 1; + gpio = __ffs(pending); mask = BIT(gpio); pending &= ~mask; /* Clear before handling so we can't lose an edge */ diff --git a/drivers/gpio/wm831x-gpio.c b/drivers/gpio/wm831x-gpio.c index 309644cf4d9b..2bcfb0be09ff 100644 --- a/drivers/gpio/wm831x-gpio.c +++ b/drivers/gpio/wm831x-gpio.c @@ -180,6 +180,7 @@ static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) break; case WM831X_GPIO_PULL_UP: pull = "pullup"; + break; default: pull = "INVALID PULL"; break; diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 21058e6ad2b8..82db18506662 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -886,9 +886,6 @@ int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) total_objects += dev->mode_config.num_connector; total_objects += dev->mode_config.num_encoder; - if (total_objects == 0) - return -EINVAL; - group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); if (!group->id_list) return -ENOMEM; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index e1787022d6c8..296fbd66f0e1 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1943,7 +1943,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (!dev_priv->mm.gtt) { DRM_ERROR("Failed to initialize GTT\n"); ret = -ENODEV; - goto out_iomapfree; + goto out_rmmap; } agp_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT; @@ -1987,7 +1987,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (dev_priv->wq == NULL) { DRM_ERROR("Failed to create our workqueue.\n"); ret = -ENOMEM; - goto out_iomapfree; + goto out_mtrrfree; } /* enable GEM by default */ @@ -2074,13 +2074,21 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) return 0; out_gem_unload: + if (dev_priv->mm.inactive_shrinker.shrink) + unregister_shrinker(&dev_priv->mm.inactive_shrinker); + if (dev->pdev->msi_enabled) pci_disable_msi(dev->pdev); intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); destroy_workqueue(dev_priv->wq); -out_iomapfree: +out_mtrrfree: + if (dev_priv->mm.gtt_mtrr >= 0) { + mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base, + dev->agp->agp_info.aper_size * 1024 * 1024); + dev_priv->mm.gtt_mtrr = -1; + } io_mapping_free(dev_priv->mm.gtt_mapping); out_rmmap: pci_iounmap(dev->pdev, dev_priv->regs); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 013d304455b9..eb91e2dd7914 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -52,7 +52,7 @@ module_param_named(powersave, i915_powersave, int, 0600); unsigned int i915_semaphores = 0; module_param_named(semaphores, i915_semaphores, int, 0600); -unsigned int i915_enable_rc6 = 1; +unsigned int i915_enable_rc6 = 0; module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600); unsigned int i915_enable_fbc = 0; @@ -577,6 +577,7 @@ int i915_reset(struct drm_device *dev, u8 flags) if (get_seconds() - dev_priv->last_gpu_reset < 5) { DRM_ERROR("GPU hanging too fast, declaring wedged!\n"); } else switch (INTEL_INFO(dev)->gen) { + case 7: case 6: ret = gen6_do_reset(dev, flags); /* If reset with a user forcewake, try to restore */ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index f245c588ae95..ce7914c4c044 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -262,6 +262,7 @@ enum intel_pch { }; #define QUIRK_PIPEA_FORCE (1<<0) +#define QUIRK_LVDS_SSC_DISABLE (1<<1) struct intel_fbdev; @@ -1194,7 +1195,9 @@ void i915_gem_free_all_phys_object(struct drm_device *dev); void i915_gem_release(struct drm_device *dev, struct drm_file *file); uint32_t -i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj); +i915_gem_get_unfenced_gtt_alignment(struct drm_device *dev, + uint32_t size, + int tiling_mode); /* i915_gem_gtt.c */ void i915_gem_restore_gtt_mappings(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 5c0d1247f453..a087e1bf0c2f 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1374,25 +1374,24 @@ i915_gem_free_mmap_offset(struct drm_i915_gem_object *obj) } static uint32_t -i915_gem_get_gtt_size(struct drm_i915_gem_object *obj) +i915_gem_get_gtt_size(struct drm_device *dev, uint32_t size, int tiling_mode) { - struct drm_device *dev = obj->base.dev; - uint32_t size; + uint32_t gtt_size; if (INTEL_INFO(dev)->gen >= 4 || - obj->tiling_mode == I915_TILING_NONE) - return obj->base.size; + tiling_mode == I915_TILING_NONE) + return size; /* Previous chips need a power-of-two fence region when tiling */ if (INTEL_INFO(dev)->gen == 3) - size = 1024*1024; + gtt_size = 1024*1024; else - size = 512*1024; + gtt_size = 512*1024; - while (size < obj->base.size) - size <<= 1; + while (gtt_size < size) + gtt_size <<= 1; - return size; + return gtt_size; } /** @@ -1403,59 +1402,52 @@ i915_gem_get_gtt_size(struct drm_i915_gem_object *obj) * potential fence register mapping. */ static uint32_t -i915_gem_get_gtt_alignment(struct drm_i915_gem_object *obj) +i915_gem_get_gtt_alignment(struct drm_device *dev, + uint32_t size, + int tiling_mode) { - struct drm_device *dev = obj->base.dev; - /* * Minimum alignment is 4k (GTT page size), but might be greater * if a fence register is needed for the object. */ if (INTEL_INFO(dev)->gen >= 4 || - obj->tiling_mode == I915_TILING_NONE) + tiling_mode == I915_TILING_NONE) return 4096; /* * Previous chips need to be aligned to the size of the smallest * fence register that can contain the object. */ - return i915_gem_get_gtt_size(obj); + return i915_gem_get_gtt_size(dev, size, tiling_mode); } /** * i915_gem_get_unfenced_gtt_alignment - return required GTT alignment for an * unfenced object - * @obj: object to check + * @dev: the device + * @size: size of the object + * @tiling_mode: tiling mode of the object * * Return the required GTT alignment for an object, only taking into account * unfenced tiled surface requirements. */ uint32_t -i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj) +i915_gem_get_unfenced_gtt_alignment(struct drm_device *dev, + uint32_t size, + int tiling_mode) { - struct drm_device *dev = obj->base.dev; - int tile_height; - /* * Minimum alignment is 4k (GTT page size) for sane hw. */ if (INTEL_INFO(dev)->gen >= 4 || IS_G33(dev) || - obj->tiling_mode == I915_TILING_NONE) + tiling_mode == I915_TILING_NONE) return 4096; - /* - * Older chips need unfenced tiled buffers to be aligned to the left - * edge of an even tile row (where tile rows are counted as if the bo is - * placed in a fenced gtt region). + /* Previous hardware however needs to be aligned to a power-of-two + * tile height. The simplest method for determining this is to reuse + * the power-of-tile object size. */ - if (IS_GEN2(dev)) - tile_height = 16; - else if (obj->tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)) - tile_height = 32; - else - tile_height = 8; - - return tile_height * obj->stride * 2; + return i915_gem_get_gtt_size(dev, size, tiling_mode); } int @@ -2744,9 +2736,16 @@ i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj, return -EINVAL; } - fence_size = i915_gem_get_gtt_size(obj); - fence_alignment = i915_gem_get_gtt_alignment(obj); - unfenced_alignment = i915_gem_get_unfenced_gtt_alignment(obj); + fence_size = i915_gem_get_gtt_size(dev, + obj->base.size, + obj->tiling_mode); + fence_alignment = i915_gem_get_gtt_alignment(dev, + obj->base.size, + obj->tiling_mode); + unfenced_alignment = + i915_gem_get_unfenced_gtt_alignment(dev, + obj->base.size, + obj->tiling_mode); if (alignment == 0) alignment = map_and_fenceable ? fence_alignment : diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index 82d70fd9e933..99c4faa59d8f 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -348,7 +348,9 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, /* Rebind if we need a change of alignment */ if (!obj->map_and_fenceable) { u32 unfenced_alignment = - i915_gem_get_unfenced_gtt_alignment(obj); + i915_gem_get_unfenced_gtt_alignment(dev, + obj->base.size, + args->tiling_mode); if (obj->gtt_offset & (unfenced_alignment - 1)) ret = i915_gem_object_unbind(obj); } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 21b6f93fe919..0f1c799afea1 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4305,7 +4305,8 @@ static void intel_update_watermarks(struct drm_device *dev) static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) { - return dev_priv->lvds_use_ssc && i915_panel_use_ssc; + return dev_priv->lvds_use_ssc && i915_panel_use_ssc + && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); } static int i9xx_crtc_mode_set(struct drm_crtc *crtc, @@ -7810,6 +7811,15 @@ static void quirk_pipea_force (struct drm_device *dev) DRM_DEBUG_DRIVER("applying pipe a force quirk\n"); } +/* + * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason + */ +static void quirk_ssc_force_disable(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; +} + struct intel_quirk { int device; int subsystem_vendor; @@ -7838,6 +7848,9 @@ struct intel_quirk intel_quirks[] = { /* 855 & before need to leave pipe A & dpll A up */ { 0x3582, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, { 0x2562, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, + + /* Lenovo U160 cannot use SSC on LVDS */ + { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, }; static void intel_init_quirks(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 391b55f1cc74..e2aced6eec4c 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -50,7 +50,6 @@ struct intel_dp { bool has_audio; int force_audio; uint32_t color_range; - int dpms_mode; uint8_t link_bw; uint8_t lane_count; uint8_t dpcd[4]; @@ -138,8 +137,8 @@ intel_dp_max_lane_count(struct intel_dp *intel_dp) { int max_lane_count = 4; - if (intel_dp->dpcd[0] >= 0x11) { - max_lane_count = intel_dp->dpcd[2] & 0x1f; + if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) { + max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f; switch (max_lane_count) { case 1: case 2: case 4: break; @@ -153,7 +152,7 @@ intel_dp_max_lane_count(struct intel_dp *intel_dp) static int intel_dp_max_link_bw(struct intel_dp *intel_dp) { - int max_link_bw = intel_dp->dpcd[1]; + int max_link_bw = intel_dp->dpcd[DP_MAX_LINK_RATE]; switch (max_link_bw) { case DP_LINK_BW_1_62: @@ -774,7 +773,8 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, /* * Check for DPCD version > 1.1 and enhanced framing support */ - if (intel_dp->dpcd[0] >= 0x11 && (intel_dp->dpcd[2] & DP_ENHANCED_FRAME_CAP)) { + if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 && + (intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP)) { intel_dp->link_configuration[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN; intel_dp->DP |= DP_ENHANCED_FRAMING; } @@ -942,11 +942,44 @@ static void ironlake_edp_pll_off(struct drm_encoder *encoder) udelay(200); } +/* If the sink supports it, try to set the power state appropriately */ +static void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode) +{ + int ret, i; + + /* Should have a valid DPCD by this point */ + if (intel_dp->dpcd[DP_DPCD_REV] < 0x11) + return; + + if (mode != DRM_MODE_DPMS_ON) { + ret = intel_dp_aux_native_write_1(intel_dp, DP_SET_POWER, + DP_SET_POWER_D3); + if (ret != 1) + DRM_DEBUG_DRIVER("failed to write sink power state\n"); + } else { + /* + * When turning on, we need to retry for 1ms to give the sink + * time to wake up. + */ + for (i = 0; i < 3; i++) { + ret = intel_dp_aux_native_write_1(intel_dp, + DP_SET_POWER, + DP_SET_POWER_D0); + if (ret == 1) + break; + msleep(1); + } + } +} + static void intel_dp_prepare(struct drm_encoder *encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct drm_device *dev = encoder->dev; + /* Wake up the sink first */ + intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); + if (is_edp(intel_dp)) { ironlake_edp_backlight_off(dev); ironlake_edp_panel_off(dev); @@ -990,6 +1023,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) if (mode != DRM_MODE_DPMS_ON) { if (is_edp(intel_dp)) ironlake_edp_backlight_off(dev); + intel_dp_sink_dpms(intel_dp, mode); intel_dp_link_down(intel_dp); if (is_edp(intel_dp)) ironlake_edp_panel_off(dev); @@ -998,6 +1032,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) } else { if (is_edp(intel_dp)) ironlake_edp_panel_vdd_on(intel_dp); + intel_dp_sink_dpms(intel_dp, mode); if (!(dp_reg & DP_PORT_EN)) { intel_dp_start_link_train(intel_dp); if (is_edp(intel_dp)) { @@ -1009,7 +1044,31 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) if (is_edp(intel_dp)) ironlake_edp_backlight_on(dev); } - intel_dp->dpms_mode = mode; +} + +/* + * Native read with retry for link status and receiver capability reads for + * cases where the sink may still be asleep. + */ +static bool +intel_dp_aux_native_read_retry(struct intel_dp *intel_dp, uint16_t address, + uint8_t *recv, int recv_bytes) +{ + int ret, i; + + /* + * Sinks are *supposed* to come up within 1ms from an off state, + * but we're also supposed to retry 3 times per the spec. + */ + for (i = 0; i < 3; i++) { + ret = intel_dp_aux_native_read(intel_dp, address, recv, + recv_bytes); + if (ret == recv_bytes) + return true; + msleep(1); + } + + return false; } /* @@ -1019,14 +1078,10 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) static bool intel_dp_get_link_status(struct intel_dp *intel_dp) { - int ret; - - ret = intel_dp_aux_native_read(intel_dp, - DP_LANE0_1_STATUS, - intel_dp->link_status, DP_LINK_STATUS_SIZE); - if (ret != DP_LINK_STATUS_SIZE) - return false; - return true; + return intel_dp_aux_native_read_retry(intel_dp, + DP_LANE0_1_STATUS, + intel_dp->link_status, + DP_LINK_STATUS_SIZE); } static uint8_t @@ -1515,6 +1570,8 @@ intel_dp_link_down(struct intel_dp *intel_dp) static void intel_dp_check_link_status(struct intel_dp *intel_dp) { + int ret; + if (!intel_dp->base.base.crtc) return; @@ -1523,6 +1580,15 @@ intel_dp_check_link_status(struct intel_dp *intel_dp) return; } + /* Try to read receiver status if the link appears to be up */ + ret = intel_dp_aux_native_read(intel_dp, + 0x000, intel_dp->dpcd, + sizeof (intel_dp->dpcd)); + if (ret != sizeof(intel_dp->dpcd)) { + intel_dp_link_down(intel_dp); + return; + } + if (!intel_channel_eq_ok(intel_dp)) { intel_dp_start_link_train(intel_dp); intel_dp_complete_link_train(intel_dp); @@ -1533,6 +1599,7 @@ static enum drm_connector_status ironlake_dp_detect(struct intel_dp *intel_dp) { enum drm_connector_status status; + bool ret; /* Can't disconnect eDP, but you can close the lid... */ if (is_edp(intel_dp)) { @@ -1543,13 +1610,11 @@ ironlake_dp_detect(struct intel_dp *intel_dp) } status = connector_status_disconnected; - if (intel_dp_aux_native_read(intel_dp, - 0x000, intel_dp->dpcd, - sizeof (intel_dp->dpcd)) - == sizeof(intel_dp->dpcd)) { - if (intel_dp->dpcd[0] != 0) - status = connector_status_connected; - } + ret = intel_dp_aux_native_read_retry(intel_dp, + 0x000, intel_dp->dpcd, + sizeof (intel_dp->dpcd)); + if (ret && intel_dp->dpcd[DP_DPCD_REV] != 0) + status = connector_status_connected; DRM_DEBUG_KMS("DPCD: %hx%hx%hx%hx\n", intel_dp->dpcd[0], intel_dp->dpcd[1], intel_dp->dpcd[2], intel_dp->dpcd[3]); return status; @@ -1586,7 +1651,7 @@ g4x_dp_detect(struct intel_dp *intel_dp) if (intel_dp_aux_native_read(intel_dp, 0x000, intel_dp->dpcd, sizeof (intel_dp->dpcd)) == sizeof (intel_dp->dpcd)) { - if (intel_dp->dpcd[0] != 0) + if (intel_dp->dpcd[DP_DPCD_REV] != 0) status = connector_status_connected; } @@ -1790,8 +1855,7 @@ intel_dp_hot_plug(struct intel_encoder *intel_encoder) { struct intel_dp *intel_dp = container_of(intel_encoder, struct intel_dp, base); - if (intel_dp->dpms_mode == DRM_MODE_DPMS_ON) - intel_dp_check_link_status(intel_dp); + intel_dp_check_link_status(intel_dp); } /* Return which DP Port should be selected for Transcoder DP control */ @@ -1859,7 +1923,6 @@ intel_dp_init(struct drm_device *dev, int output_reg) return; intel_dp->output_reg = output_reg; - intel_dp->dpms_mode = -1; intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL); if (!intel_connector) { @@ -1954,8 +2017,9 @@ intel_dp_init(struct drm_device *dev, int output_reg) sizeof(intel_dp->dpcd)); ironlake_edp_panel_vdd_off(intel_dp); if (ret == sizeof(intel_dp->dpcd)) { - if (intel_dp->dpcd[0] >= 0x11) - dev_priv->no_aux_handshake = intel_dp->dpcd[3] & + if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) + dev_priv->no_aux_handshake = + intel_dp->dpcd[DP_MAX_DOWNSPREAD] & DP_NO_AUX_HANDSHAKE_LINK_TRAINING; } else { /* if this fails, presume the device is a ghost */ diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index c0e0ee63fbf4..39ac2b634ae5 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -165,7 +165,7 @@ void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring); int __must_check intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n); static inline int intel_wait_ring_idle(struct intel_ring_buffer *ring) { - return intel_wait_ring_buffer(ring, ring->space - 8); + return intel_wait_ring_buffer(ring, ring->size - 8); } int __must_check intel_ring_begin(struct intel_ring_buffer *ring, int n); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index e8a5ffb0124d..15bd0477a3e8 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -985,17 +985,19 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav { save->vga_control[0] = RREG32(D1VGA_CONTROL); save->vga_control[1] = RREG32(D2VGA_CONTROL); - save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL); - save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL); - save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL); - save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL); save->vga_render_control = RREG32(VGA_RENDER_CONTROL); save->vga_hdp_control = RREG32(VGA_HDP_CONTROL); save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET); save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { + save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL); + save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL); save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET); save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET); + } + if (rdev->num_crtc >= 6) { + save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL); + save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL); save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET); save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); } @@ -1004,35 +1006,45 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav WREG32(VGA_RENDER_CONTROL, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1); + } + if (rdev->num_crtc >= 6) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1); } WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); + } + if (rdev->num_crtc >= 6) { WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); + } + if (rdev->num_crtc >= 6) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } WREG32(D1VGA_CONTROL, 0); WREG32(D2VGA_CONTROL, 0); - WREG32(EVERGREEN_D3VGA_CONTROL, 0); - WREG32(EVERGREEN_D4VGA_CONTROL, 0); - WREG32(EVERGREEN_D5VGA_CONTROL, 0); - WREG32(EVERGREEN_D6VGA_CONTROL, 0); + if (rdev->num_crtc >= 4) { + WREG32(EVERGREEN_D3VGA_CONTROL, 0); + WREG32(EVERGREEN_D4VGA_CONTROL, 0); + } + if (rdev->num_crtc >= 6) { + WREG32(EVERGREEN_D5VGA_CONTROL, 0); + WREG32(EVERGREEN_D6VGA_CONTROL, 0); + } } void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save) @@ -1055,7 +1067,7 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET, (u32)rdev->mc.vram_start); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET, @@ -1073,7 +1085,8 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET, (u32)rdev->mc.vram_start); - + } + if (rdev->num_crtc >= 6) { WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET, @@ -1101,31 +1114,41 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s /* Restore video state */ WREG32(D1VGA_CONTROL, save->vga_control[0]); WREG32(D2VGA_CONTROL, save->vga_control[1]); - WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]); - WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]); - WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]); - WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]); + if (rdev->num_crtc >= 4) { + WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]); + WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]); + } + if (rdev->num_crtc >= 6) { + WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]); + WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]); + } WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1); + } + if (rdev->num_crtc >= 6) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1); } WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]); + } + if (rdev->num_crtc >= 6) { WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]); } WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); + } + if (rdev->num_crtc >= 6) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } @@ -1977,7 +2000,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) gb_backend_map = 0x66442200; break; case CHIP_JUNIPER: - gb_backend_map = 0x00006420; + gb_backend_map = 0x00002200; break; default: gb_backend_map = @@ -2417,18 +2440,22 @@ void evergreen_disable_interrupt_state(struct radeon_device *rdev) WREG32(GRBM_INT_CNTL, 0); WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); + } + if (rdev->num_crtc >= 6) { WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); + } + if (rdev->num_crtc >= 6) { WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } @@ -2547,19 +2574,25 @@ int evergreen_irq_set(struct radeon_device *rdev) WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1); WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2); - if (!(rdev->flags & RADEON_IS_IGP)) { + if (rdev->num_crtc >= 4) { WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3); WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4); + } + if (rdev->num_crtc >= 6) { WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5); WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6); } WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6); + if (rdev->num_crtc >= 4) { + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4); + } + if (rdev->num_crtc >= 6) { + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6); + } WREG32(DC_HPD1_INT_CONTROL, hpd1); WREG32(DC_HPD2_INT_CONTROL, hpd2); @@ -2583,53 +2616,57 @@ static inline void evergreen_irq_ack(struct radeon_device *rdev) rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5); rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET); rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET); - rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET); - rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET); - rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET); - rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET); + if (rdev->num_crtc >= 4) { + rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET); + rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET); + } + if (rdev->num_crtc >= 6) { + rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET); + rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET); + } if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED) WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED) WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED) - WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); - if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK); - if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK); - if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK); - if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK); - - if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK); - if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK); - - if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK); - if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK); - - if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) - WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK); - if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) - WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK); + if (rdev->num_crtc >= 4) { + if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); + if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); + if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) + WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK); + if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) + WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK); + if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) + WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK); + if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) + WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK); + } + + if (rdev->num_crtc >= 6) { + if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); + if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); + if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) + WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK); + if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) + WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK); + if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) + WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK); + if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) + WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK); + } if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { tmp = RREG32(DC_HPD1_INT_CONTROL); @@ -3237,6 +3274,7 @@ void evergreen_fini(struct radeon_device *rdev) r700_cp_fini(rdev); r600_irq_fini(rdev); radeon_wb_fini(rdev); + radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); evergreen_pcie_gart_fini(rdev); radeon_gem_fini(rdev); diff --git a/drivers/gpu/drm/radeon/evergreen_blit_kms.c b/drivers/gpu/drm/radeon/evergreen_blit_kms.c index 57f3bc17b87e..2eb251858e72 100644 --- a/drivers/gpu/drm/radeon/evergreen_blit_kms.c +++ b/drivers/gpu/drm/radeon/evergreen_blit_kms.c @@ -252,7 +252,7 @@ draw_auto(struct radeon_device *rdev) } -/* emits 36 */ +/* emits 39 */ static void set_default_state(struct radeon_device *rdev) { @@ -531,6 +531,11 @@ set_default_state(struct radeon_device *rdev) radeon_ring_write(rdev, (SQ_DYN_GPR_CNTL_PS_FLUSH_REQ - PACKET3_SET_CONFIG_REG_START) >> 2); radeon_ring_write(rdev, 0); + /* setup LDS */ + radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); + radeon_ring_write(rdev, (SQ_LDS_RESOURCE_MGMT - PACKET3_SET_CONFIG_REG_START) >> 2); + radeon_ring_write(rdev, 0x10001000); + /* SQ config */ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 11)); radeon_ring_write(rdev, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_START) >> 2); @@ -773,7 +778,7 @@ int evergreen_blit_prepare_copy(struct radeon_device *rdev, int size_bytes) /* calculate number of loops correctly */ ring_size = num_loops * dwords_per_loop; /* set default + shaders */ - ring_size += 52; /* shaders + def state */ + ring_size += 55; /* shaders + def state */ ring_size += 10; /* fence emit for VB IB */ ring_size += 5; /* done copy */ ring_size += 10; /* fence emit for done copy */ diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 1636e3449825..b7b2714f0b32 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -466,7 +466,7 @@ #define IH_RB_WPTR_ADDR_LO 0x3e14 #define IH_CNTL 0x3e18 # define ENABLE_INTR (1 << 0) -# define IH_MC_SWAP(x) ((x) << 2) +# define IH_MC_SWAP(x) ((x) << 1) # define IH_MC_SWAP_NONE 0 # define IH_MC_SWAP_16BIT 1 # define IH_MC_SWAP_32BIT 2 @@ -547,7 +547,7 @@ # define LB_D5_VBLANK_INTERRUPT (1 << 3) # define DC_HPD5_INTERRUPT (1 << 17) # define DC_HPD5_RX_INTERRUPT (1 << 18) -#define DISP_INTERRUPT_STATUS_CONTINUE5 0x6050 +#define DISP_INTERRUPT_STATUS_CONTINUE5 0x6150 # define LB_D6_VLINE_INTERRUPT (1 << 2) # define LB_D6_VBLANK_INTERRUPT (1 << 3) # define DC_HPD6_INTERRUPT (1 << 17) diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 16caafeadf5e..559dbd412906 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1581,6 +1581,7 @@ void cayman_fini(struct radeon_device *rdev) cayman_cp_fini(rdev); r600_irq_fini(rdev); radeon_wb_fini(rdev); + radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); cayman_pcie_gart_fini(rdev); radeon_gem_fini(rdev); diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index f79d2ccb6755..bc54b26cb32f 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2628,6 +2628,7 @@ void r600_fini(struct radeon_device *rdev) r600_cp_fini(rdev); r600_irq_fini(rdev); radeon_wb_fini(rdev); + radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); r600_pcie_gart_fini(rdev); radeon_agp_fini(rdev); diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index f140a0d5cb54..0245ae6c204e 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -536,7 +536,7 @@ #define IH_RB_WPTR_ADDR_LO 0x3e14 #define IH_CNTL 0x3e18 # define ENABLE_INTR (1 << 0) -# define IH_MC_SWAP(x) ((x) << 2) +# define IH_MC_SWAP(x) ((x) << 1) # define IH_MC_SWAP_NONE 0 # define IH_MC_SWAP_16BIT 1 # define IH_MC_SWAP_32BIT 2 diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c index 3fc5fa1aefd0..229a20f10e2b 100644 --- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -331,7 +331,7 @@ static bool avivo_read_disabled_bios(struct radeon_device *rdev) seprom_cntl1 = RREG32(RADEON_SEPROM_CNTL1); viph_control = RREG32(RADEON_VIPH_CONTROL); - bus_cntl = RREG32(RADEON_BUS_CNTL); + bus_cntl = RREG32(RV370_BUS_CNTL); d1vga_control = RREG32(AVIVO_D1VGA_CONTROL); d2vga_control = RREG32(AVIVO_D2VGA_CONTROL); vga_render_control = RREG32(AVIVO_VGA_RENDER_CONTROL); @@ -350,7 +350,7 @@ static bool avivo_read_disabled_bios(struct radeon_device *rdev) WREG32(RADEON_VIPH_CONTROL, (viph_control & ~RADEON_VIPH_EN)); /* enable the rom */ - WREG32(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM)); + WREG32(RV370_BUS_CNTL, (bus_cntl & ~RV370_BUS_BIOS_DIS_ROM)); /* Disable VGA mode */ WREG32(AVIVO_D1VGA_CONTROL, @@ -367,7 +367,7 @@ static bool avivo_read_disabled_bios(struct radeon_device *rdev) /* restore regs */ WREG32(RADEON_SEPROM_CNTL1, seprom_cntl1); WREG32(RADEON_VIPH_CONTROL, viph_control); - WREG32(RADEON_BUS_CNTL, bus_cntl); + WREG32(RV370_BUS_CNTL, bus_cntl); WREG32(AVIVO_D1VGA_CONTROL, d1vga_control); WREG32(AVIVO_D2VGA_CONTROL, d2vga_control); WREG32(AVIVO_VGA_RENDER_CONTROL, vga_render_control); @@ -390,7 +390,10 @@ static bool legacy_read_disabled_bios(struct radeon_device *rdev) seprom_cntl1 = RREG32(RADEON_SEPROM_CNTL1); viph_control = RREG32(RADEON_VIPH_CONTROL); - bus_cntl = RREG32(RADEON_BUS_CNTL); + if (rdev->flags & RADEON_IS_PCIE) + bus_cntl = RREG32(RV370_BUS_CNTL); + else + bus_cntl = RREG32(RADEON_BUS_CNTL); crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL); crtc2_gen_cntl = 0; crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL); @@ -412,7 +415,10 @@ static bool legacy_read_disabled_bios(struct radeon_device *rdev) WREG32(RADEON_VIPH_CONTROL, (viph_control & ~RADEON_VIPH_EN)); /* enable the rom */ - WREG32(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM)); + if (rdev->flags & RADEON_IS_PCIE) + WREG32(RV370_BUS_CNTL, (bus_cntl & ~RV370_BUS_BIOS_DIS_ROM)); + else + WREG32(RADEON_BUS_CNTL, (bus_cntl & ~RADEON_BUS_BIOS_DIS_ROM)); /* Turn off mem requests and CRTC for both controllers */ WREG32(RADEON_CRTC_GEN_CNTL, @@ -439,7 +445,10 @@ static bool legacy_read_disabled_bios(struct radeon_device *rdev) /* restore regs */ WREG32(RADEON_SEPROM_CNTL1, seprom_cntl1); WREG32(RADEON_VIPH_CONTROL, viph_control); - WREG32(RADEON_BUS_CNTL, bus_cntl); + if (rdev->flags & RADEON_IS_PCIE) + WREG32(RV370_BUS_CNTL, bus_cntl); + else + WREG32(RADEON_BUS_CNTL, bus_cntl); WREG32(RADEON_CRTC_GEN_CNTL, crtc_gen_cntl); if (!(rdev->flags & RADEON_SINGLE_CRTC)) { WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index cbfca3a24fdf..9792d4ffdc86 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -52,6 +52,12 @@ void radeon_connector_hotplug(struct drm_connector *connector) struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); + /* bail if the connector does not have hpd pin, e.g., + * VGA, TV, etc. + */ + if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) + return; + radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); /* powering up/down the eDP panel generates hpd events which diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h index ec93a75369e6..bc44a3d35ec6 100644 --- a/drivers/gpu/drm/radeon/radeon_reg.h +++ b/drivers/gpu/drm/radeon/radeon_reg.h @@ -300,6 +300,8 @@ # define RADEON_BUS_READ_BURST (1 << 30) #define RADEON_BUS_CNTL1 0x0034 # define RADEON_BUS_WAIT_ON_LOCK_EN (1 << 4) +#define RV370_BUS_CNTL 0x004c +# define RV370_BUS_BIOS_DIS_ROM (1 << 2) /* rv370/rv380, rv410, r423/r430/r480, r5xx */ #define RADEON_MSI_REARM_EN 0x0160 # define RV370_MSI_REARM_EN (1 << 0) diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 6e3b11e5abbe..1f5850e473cc 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -426,7 +426,7 @@ int rs600_gart_init(struct radeon_device *rdev) return radeon_gart_table_vram_alloc(rdev); } -int rs600_gart_enable(struct radeon_device *rdev) +static int rs600_gart_enable(struct radeon_device *rdev) { u32 tmp; int r, i; @@ -440,8 +440,8 @@ int rs600_gart_enable(struct radeon_device *rdev) return r; radeon_gart_restore(rdev); /* Enable bus master */ - tmp = RREG32(R_00004C_BUS_CNTL) & C_00004C_BUS_MASTER_DIS; - WREG32(R_00004C_BUS_CNTL, tmp); + tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS; + WREG32(RADEON_BUS_CNTL, tmp); /* FIXME: setup default page */ WREG32_MC(R_000100_MC_PT0_CNTL, (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) | diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 8bb347d23ca6..4de51891aa6d 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -1368,6 +1368,7 @@ void rv770_fini(struct radeon_device *rdev) r700_cp_fini(rdev); r600_irq_fini(rdev); radeon_wb_fini(rdev); + radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); rv770_pcie_gart_fini(rdev); rv770_vram_scratch_fini(rdev); diff --git a/drivers/hwmon/adm1275.c b/drivers/hwmon/adm1275.c index b9b7caf4a1d2..8bc1bd663721 100644 --- a/drivers/hwmon/adm1275.c +++ b/drivers/hwmon/adm1275.c @@ -53,23 +53,23 @@ static int adm1275_probe(struct i2c_client *client, info->direct[PSC_VOLTAGE_IN] = true; info->direct[PSC_VOLTAGE_OUT] = true; info->direct[PSC_CURRENT_OUT] = true; - info->m[PSC_CURRENT_OUT] = 800; + info->m[PSC_CURRENT_OUT] = 807; info->b[PSC_CURRENT_OUT] = 20475; info->R[PSC_CURRENT_OUT] = -1; info->func[0] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT; if (config & ADM1275_VRANGE) { - info->m[PSC_VOLTAGE_IN] = 19045; + info->m[PSC_VOLTAGE_IN] = 19199; info->b[PSC_VOLTAGE_IN] = 0; info->R[PSC_VOLTAGE_IN] = -2; - info->m[PSC_VOLTAGE_OUT] = 19045; + info->m[PSC_VOLTAGE_OUT] = 19199; info->b[PSC_VOLTAGE_OUT] = 0; info->R[PSC_VOLTAGE_OUT] = -2; } else { - info->m[PSC_VOLTAGE_IN] = 6666; + info->m[PSC_VOLTAGE_IN] = 6720; info->b[PSC_VOLTAGE_IN] = 0; info->R[PSC_VOLTAGE_IN] = -1; - info->m[PSC_VOLTAGE_OUT] = 6666; + info->m[PSC_VOLTAGE_OUT] = 6720; info->b[PSC_VOLTAGE_OUT] = 0; info->R[PSC_VOLTAGE_OUT] = -1; } diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index dcb78a7a8047..00e98517f94c 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -674,6 +674,7 @@ static int atk_debugfs_gitm_get(void *p, u64 *val) else err = -EIO; + ACPI_FREE(ret); return err; } diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index bb6405b92007..5f5247750430 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -1538,7 +1538,7 @@ static struct attribute *it87_attributes_label[] = { }; static const struct attribute_group it87_group_label = { - .attrs = it87_attributes_vid, + .attrs = it87_attributes_label, }; /* SuperIO detection - will change isa_address if a chip is found */ diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c index 1a6dfb6df1e7..d3b464b74ced 100644 --- a/drivers/hwmon/lm95241.c +++ b/drivers/hwmon/lm95241.c @@ -98,11 +98,16 @@ struct lm95241_data { }; /* Conversions */ -static int TempFromReg(u8 val_h, u8 val_l) +static int temp_from_reg_signed(u8 val_h, u8 val_l) { - if (val_h & 0x80) - return val_h - 0x100; - return val_h * 1000 + val_l * 1000 / 256; + s16 val_hl = (val_h << 8) | val_l; + return val_hl * 1000 / 256; +} + +static int temp_from_reg_unsigned(u8 val_h, u8 val_l) +{ + u16 val_hl = (val_h << 8) | val_l; + return val_hl * 1000 / 256; } static struct lm95241_data *lm95241_update_device(struct device *dev) @@ -135,10 +140,13 @@ static ssize_t show_input(struct device *dev, struct device_attribute *attr, char *buf) { struct lm95241_data *data = lm95241_update_device(dev); + int index = to_sensor_dev_attr(attr)->index; return snprintf(buf, PAGE_SIZE - 1, "%d\n", - TempFromReg(data->temp[to_sensor_dev_attr(attr)->index], - data->temp[to_sensor_dev_attr(attr)->index + 1])); + index == 0 || (data->config & (1 << (index / 2))) ? + temp_from_reg_signed(data->temp[index], data->temp[index + 1]) : + temp_from_reg_unsigned(data->temp[index], + data->temp[index + 1])); } static ssize_t show_type(struct device *dev, struct device_attribute *attr, @@ -339,7 +347,7 @@ static int lm95241_detect(struct i2c_client *new_client, if ((i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID) == MANUFACTURER_ID) && (i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID) - >= DEFAULT_REVISION)) { + == DEFAULT_REVISION)) { name = DEVNAME; } else { dev_dbg(&adapter->dev, "LM95241 detection failed at 0x%02x\n", diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c index 12a54aa29776..14335bbc9bdc 100644 --- a/drivers/hwmon/max1111.c +++ b/drivers/hwmon/max1111.c @@ -40,6 +40,8 @@ struct max1111_data { struct spi_transfer xfer[2]; uint8_t *tx_buf; uint8_t *rx_buf; + struct mutex drvdata_lock; + /* protect msg, xfer and buffers from multiple access */ }; static int max1111_read(struct device *dev, int channel) @@ -48,6 +50,9 @@ static int max1111_read(struct device *dev, int channel) uint8_t v1, v2; int err; + /* writing to drvdata struct is not thread safe, wait on mutex */ + mutex_lock(&data->drvdata_lock); + data->tx_buf[0] = (channel << MAX1111_CTRL_SEL_SH) | MAX1111_CTRL_PD0 | MAX1111_CTRL_PD1 | MAX1111_CTRL_SGL | MAX1111_CTRL_UNI | MAX1111_CTRL_STR; @@ -55,12 +60,15 @@ static int max1111_read(struct device *dev, int channel) err = spi_sync(data->spi, &data->msg); if (err < 0) { dev_err(dev, "spi_sync failed with %d\n", err); + mutex_unlock(&data->drvdata_lock); return err; } v1 = data->rx_buf[0]; v2 = data->rx_buf[1]; + mutex_unlock(&data->drvdata_lock); + if ((v1 & 0xc0) || (v2 & 0x3f)) return -EINVAL; @@ -176,6 +184,8 @@ static int __devinit max1111_probe(struct spi_device *spi) if (err) goto err_free_data; + mutex_init(&data->drvdata_lock); + data->spi = spi; spi_set_drvdata(spi, data); @@ -213,6 +223,7 @@ static int __devexit max1111_remove(struct spi_device *spi) hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&spi->dev.kobj, &max1111_attr_group); + mutex_destroy(&data->drvdata_lock); kfree(data->rx_buf); kfree(data->tx_buf); kfree(data); diff --git a/drivers/hwmon/pmbus.c b/drivers/hwmon/pmbus.c index 931d940923ae..9b1f0c37ef77 100644 --- a/drivers/hwmon/pmbus.c +++ b/drivers/hwmon/pmbus.c @@ -59,16 +59,17 @@ static void pmbus_find_sensor_groups(struct i2c_client *client, if (pmbus_check_byte_register(client, 0, PMBUS_STATUS_FAN_34)) info->func[0] |= PMBUS_HAVE_STATUS_FAN34; } - if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_1)) { + if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_1)) info->func[0] |= PMBUS_HAVE_TEMP; - if (pmbus_check_byte_register(client, 0, - PMBUS_STATUS_TEMPERATURE)) - info->func[0] |= PMBUS_HAVE_STATUS_TEMP; - } if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_2)) info->func[0] |= PMBUS_HAVE_TEMP2; if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_3)) info->func[0] |= PMBUS_HAVE_TEMP3; + if (info->func[0] & (PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 + | PMBUS_HAVE_TEMP3) + && pmbus_check_byte_register(client, 0, + PMBUS_STATUS_TEMPERATURE)) + info->func[0] |= PMBUS_HAVE_STATUS_TEMP; /* Sensors detected on all pages */ for (page = 0; page < info->pages; page++) { diff --git a/drivers/hwmon/pmbus_core.c b/drivers/hwmon/pmbus_core.c index 744672c1f26d..8e31a8e2c746 100644 --- a/drivers/hwmon/pmbus_core.c +++ b/drivers/hwmon/pmbus_core.c @@ -362,8 +362,8 @@ static struct pmbus_data *pmbus_update_device(struct device *dev) * Convert linear sensor values to milli- or micro-units * depending on sensor type. */ -static int pmbus_reg2data_linear(struct pmbus_data *data, - struct pmbus_sensor *sensor) +static long pmbus_reg2data_linear(struct pmbus_data *data, + struct pmbus_sensor *sensor) { s16 exponent; s32 mantissa; @@ -397,15 +397,15 @@ static int pmbus_reg2data_linear(struct pmbus_data *data, else val >>= -exponent; - return (int)val; + return val; } /* * Convert direct sensor values to milli- or micro-units * depending on sensor type. */ -static int pmbus_reg2data_direct(struct pmbus_data *data, - struct pmbus_sensor *sensor) +static long pmbus_reg2data_direct(struct pmbus_data *data, + struct pmbus_sensor *sensor) { long val = (s16) sensor->data; long m, b, R; @@ -440,12 +440,12 @@ static int pmbus_reg2data_direct(struct pmbus_data *data, R++; } - return (int)((val - b) / m); + return (val - b) / m; } -static int pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor) +static long pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor) { - int val; + long val; if (data->info->direct[sensor->class]) val = pmbus_reg2data_direct(data, sensor); @@ -619,7 +619,7 @@ static int pmbus_get_boolean(struct pmbus_data *data, int index, int *val) if (!s1 && !s2) *val = !!regval; else { - int v1, v2; + long v1, v2; struct pmbus_sensor *sensor1, *sensor2; sensor1 = &data->sensors[s1]; @@ -661,7 +661,7 @@ static ssize_t pmbus_show_sensor(struct device *dev, if (sensor->data < 0) return sensor->data; - return snprintf(buf, PAGE_SIZE, "%d\n", pmbus_reg2data(data, sensor)); + return snprintf(buf, PAGE_SIZE, "%ld\n", pmbus_reg2data(data, sensor)); } static ssize_t pmbus_set_sensor(struct device *dev, diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c index 52b545a795f2..cbc98aea5b09 100644 --- a/drivers/i2c/busses/i2c-bfin-twi.c +++ b/drivers/i2c/busses/i2c-bfin-twi.c @@ -193,7 +193,13 @@ static void bfin_twi_handle_interrupt(struct bfin_twi_iface *iface, return; } if (twi_int_status & MCOMP) { - if (iface->cur_mode == TWI_I2C_MODE_COMBINED) { + if ((read_MASTER_CTL(iface) & MEN) == 0 && + (iface->cur_mode == TWI_I2C_MODE_REPEAT || + iface->cur_mode == TWI_I2C_MODE_COMBINED)) { + iface->result = -1; + write_INT_MASK(iface, 0); + write_MASTER_CTL(iface, 0); + } else if (iface->cur_mode == TWI_I2C_MODE_COMBINED) { if (iface->readNum == 0) { /* set the read number to 1 and ask for manual * stop in block combine mode diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 6c00c107ebf3..f84a63c6dd97 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -248,12 +248,12 @@ static inline int is_msgend(struct s3c24xx_i2c *i2c) return i2c->msg_ptr >= i2c->msg->len; } -/* i2s_s3c_irq_nextbyte +/* i2c_s3c_irq_nextbyte * * process an interrupt and work out what to do */ -static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) +static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) { unsigned long tmp; unsigned char byte; @@ -264,7 +264,6 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) case STATE_IDLE: dev_err(i2c->dev, "%s: called in STATE_IDLE\n", __func__); goto out; - break; case STATE_STOP: dev_err(i2c->dev, "%s: called in STATE_STOP\n", __func__); @@ -444,7 +443,7 @@ static irqreturn_t s3c24xx_i2c_irq(int irqno, void *dev_id) /* pretty much this leaves us with the fact that we've * transmitted or received whatever byte we last sent */ - i2s_s3c_irq_nextbyte(i2c, status); + i2c_s3c_irq_nextbyte(i2c, status); out: return IRQ_HANDLED; diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 4d9319665e32..fb3b4f8f8152 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -40,8 +40,10 @@ #define I2C_CNFG_NEW_MASTER_FSM (1<<11) #define I2C_STATUS 0x01C #define I2C_SL_CNFG 0x020 +#define I2C_SL_CNFG_NACK (1<<1) #define I2C_SL_CNFG_NEWSL (1<<2) #define I2C_SL_ADDR1 0x02c +#define I2C_SL_ADDR2 0x030 #define I2C_TX_FIFO 0x050 #define I2C_RX_FIFO 0x054 #define I2C_PACKET_TRANSFER_STATUS 0x058 @@ -337,7 +339,11 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev) if (!i2c_dev->is_dvc) { u32 sl_cfg = i2c_readl(i2c_dev, I2C_SL_CNFG); - i2c_writel(i2c_dev, sl_cfg | I2C_SL_CNFG_NEWSL, I2C_SL_CNFG); + sl_cfg |= I2C_SL_CNFG_NACK | I2C_SL_CNFG_NEWSL; + i2c_writel(i2c_dev, sl_cfg, I2C_SL_CNFG); + i2c_writel(i2c_dev, 0xfc, I2C_SL_ADDR1); + i2c_writel(i2c_dev, 0x00, I2C_SL_ADDR2); + } val = 7 << I2C_FIFO_CONTROL_TX_TRIG_SHIFT | diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c index d8d3a1e910a1..a2c874623e35 100644 --- a/drivers/leds/leds-pca9532.c +++ b/drivers/leds/leds-pca9532.c @@ -88,7 +88,7 @@ static const struct pca9532_chip_info pca9532_chip_info_tbl[] = { static struct i2c_driver pca9532_driver = { .driver = { - .name = "pca953x", + .name = "leds-pca953x", }, .probe = pca9532_probe, .remove = pca9532_remove, diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 98278041d75f..5b6b451d4694 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1988,6 +1988,14 @@ static int dvb_frontend_open(struct inode *inode, struct file *file) if (dvbdev->users == -1 && fe->ops.ts_bus_ctrl) { if ((ret = fe->ops.ts_bus_ctrl(fe, 1)) < 0) goto err0; + + /* If we took control of the bus, we need to force + reinitialization. This is because many ts_bus_ctrl() + functions strobe the RESET pin on the demod, and if the + frontend thread already exists then the dvb_init() routine + won't get called (which is what usually does initial + register configuration). */ + fepriv->reinitialise = 1; } if ((ret = dvb_generic_open (inode, file)) < 0) diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig index e4c97fd6f05a..52798a111e16 100644 --- a/drivers/media/radio/Kconfig +++ b/drivers/media/radio/Kconfig @@ -168,7 +168,7 @@ config RADIO_MAXIRADIO config RADIO_MIROPCM20 tristate "miroSOUND PCM20 radio" - depends on ISA && VIDEO_V4L2 && SND + depends on ISA && ISA_DMA_API && VIDEO_V4L2 && SND select SND_ISA select SND_MIRO ---help--- @@ -201,7 +201,7 @@ config RADIO_SF16FMI config RADIO_SF16FMR2 tristate "SF16FMR2 Radio" - depends on ISA && VIDEO_V4L2 + depends on ISA && VIDEO_V4L2 && SND ---help--- Choose Y here if you have one of these FM radio cards. diff --git a/drivers/media/radio/si4713-i2c.c b/drivers/media/radio/si4713-i2c.c index deca2e06ff22..c9f4a8e65dc4 100644 --- a/drivers/media/radio/si4713-i2c.c +++ b/drivers/media/radio/si4713-i2c.c @@ -1033,7 +1033,7 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev, char ps_name[MAX_RDS_PS_NAME + 1]; len = control->size - 1; - if (len > MAX_RDS_PS_NAME) { + if (len < 0 || len > MAX_RDS_PS_NAME) { rval = -ERANGE; goto exit; } @@ -1057,7 +1057,7 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev, char radio_text[MAX_RDS_RADIO_TEXT + 1]; len = control->size - 1; - if (len > MAX_RDS_RADIO_TEXT) { + if (len < 0 || len > MAX_RDS_RADIO_TEXT) { rval = -ERANGE; goto exit; } diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index 06dfe0957b5e..ec972dc25790 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -558,9 +558,10 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf, inout, data1); break; case MCE_CMD_S_TIMEOUT: - /* value is in units of 50us, so x*50/100 or x/2 ms */ + /* value is in units of 50us, so x*50/1000 ms */ dev_info(dev, "%s receive timeout of %d ms\n", - inout, ((data1 << 8) | data2) / 2); + inout, + ((data1 << 8) | data2) * MCE_TIME_UNIT / 1000); break; case MCE_CMD_G_TIMEOUT: dev_info(dev, "Get receive timeout\n"); @@ -847,7 +848,7 @@ static void mceusb_handle_command(struct mceusb_dev *ir, int index) switch (ir->buf_in[index]) { /* 2-byte return value commands */ case MCE_CMD_S_TIMEOUT: - ir->rc->timeout = US_TO_NS((hi << 8 | lo) / 2); + ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT); break; /* 1-byte return value commands */ @@ -1078,7 +1079,7 @@ static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) rc->priv = ir; rc->driver_type = RC_DRIVER_IR_RAW; rc->allowed_protos = RC_TYPE_ALL; - rc->timeout = US_TO_NS(1000); + rc->timeout = MS_TO_NS(100); if (!ir->flags.no_tx) { rc->s_tx_mask = mceusb_set_tx_mask; rc->s_tx_carrier = mceusb_set_tx_carrier; diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index 565f24c20d77..ce595f9ab4c7 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -1110,7 +1110,7 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) rdev->dev.parent = &pdev->dev; rdev->driver_name = NVT_DRIVER_NAME; rdev->map_name = RC_MAP_RC6_MCE; - rdev->timeout = US_TO_NS(1000); + rdev->timeout = MS_TO_NS(100); /* rx resolution is hardwired to 50us atm, 1, 25, 100 also possible */ rdev->rx_resolution = US_TO_NS(CIR_SAMPLE_PERIOD); #if 0 diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index a97cf2750bd9..834a48394bce 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -3474,7 +3474,7 @@ static int radio_s_tuner(struct file *file, void *priv, if (0 != t->index) return -EINVAL; - bttv_call_all(btv, tuner, g_tuner, t); + bttv_call_all(btv, tuner, s_tuner, t); return 0; } diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index 1933d4d11bf2..e80134f52ef5 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -695,14 +695,10 @@ static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) cx18_call_all(cx, tuner, g_tuner, vt); - if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) { + if (vt->type == V4L2_TUNER_RADIO) strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name)); - vt->type = V4L2_TUNER_RADIO; - } else { + else strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name)); - vt->type = V4L2_TUNER_ANALOG_TV; - } - return 0; } diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index 64d9b2136ff6..419777a832ee 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -2060,12 +2060,8 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev, goto fail_irq; } - if (!pci_enable_msi(pci_dev)) - err = request_irq(pci_dev->irq, cx23885_irq, - IRQF_DISABLED, dev->name, dev); - else - err = request_irq(pci_dev->irq, cx23885_irq, - IRQF_SHARED | IRQF_DISABLED, dev->name, dev); + err = request_irq(pci_dev->irq, cx23885_irq, + IRQF_SHARED | IRQF_DISABLED, dev->name, dev); if (err < 0) { printk(KERN_ERR "%s: can't get IRQ %d\n", dev->name, pci_dev->irq); @@ -2114,7 +2110,6 @@ static void __devexit cx23885_finidev(struct pci_dev *pci_dev) /* unregister stuff */ free_irq(pci_dev->irq, dev); - pci_disable_msi(pci_dev); cx23885_dev_unregister(dev); v4l2_device_unregister(v4l2_dev); diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index f9e347dae739..120c7d8e0895 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -1184,14 +1184,10 @@ static int ivtv_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) ivtv_call_all(itv, tuner, g_tuner, vt); - if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) { + if (vt->type == V4L2_TUNER_RADIO) strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name)); - vt->type = V4L2_TUNER_RADIO; - } else { + else strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name)); - vt->type = V4L2_TUNER_ANALOG_TV; - } - return 0; } diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c index de5d481b0328..c43c81f5f978 100644 --- a/drivers/media/video/msp3400-driver.c +++ b/drivers/media/video/msp3400-driver.c @@ -480,12 +480,14 @@ static int msp_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) struct msp_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); - if (state->radio) + if (vt->type != V4L2_TUNER_ANALOG_TV) return 0; - if (state->opmode == OPMODE_AUTOSELECT) - msp_detect_stereo(client); - vt->audmode = state->audmode; - vt->rxsubchans = state->rxsubchans; + if (!state->radio) { + if (state->opmode == OPMODE_AUTOSELECT) + msp_detect_stereo(client); + vt->rxsubchans = state->rxsubchans; + } + vt->audmode = state->audmode; vt->capability |= V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; return 0; diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 9d0dd08f57f8..e98d38212791 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -3046,6 +3046,8 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw) if (hdw->input_dirty || hdw->audiomode_dirty || hdw->force_dirty) { struct v4l2_tuner vt; memset(&vt, 0, sizeof(vt)); + vt.type = (hdw->input_val == PVR2_CVAL_INPUT_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; vt.audmode = hdw->audiomode_val; v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner, s_tuner, &vt); } @@ -5171,6 +5173,8 @@ void pvr2_hdw_status_poll(struct pvr2_hdw *hdw) { struct v4l2_tuner *vtp = &hdw->tuner_signal_info; memset(vtp, 0, sizeof(*vtp)); + vtp->type = (hdw->input_val == PVR2_CVAL_INPUT_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; hdw->tuner_signal_stale = 0; /* Note: There apparently is no replacement for VIDIOC_CROPCAP using v4l2-subdev - therefore we can't support that AT ALL right diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index 9363ed91a4cb..a03945ab9f08 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -714,29 +714,34 @@ static int tuner_remove(struct i2c_client *client) * returns 0. * This function is needed for boards that have a separate tuner for * radio (like devices with tea5767). + * NOTE: mt20xx uses V4L2_TUNER_DIGITAL_TV and calls set_tv_freq to + * select a TV frequency. So, t_mode = T_ANALOG_TV could actually + * be used to represent a Digital TV too. */ static inline int check_mode(struct tuner *t, enum v4l2_tuner_type mode) { - if ((1 << mode & t->mode_mask) == 0) + int t_mode; + if (mode == V4L2_TUNER_RADIO) + t_mode = T_RADIO; + else + t_mode = T_ANALOG_TV; + + if ((t_mode & t->mode_mask) == 0) return -EINVAL; return 0; } /** - * set_mode_freq - Switch tuner to other mode. - * @client: struct i2c_client pointer + * set_mode - Switch tuner to other mode. * @t: a pointer to the module's internal struct_tuner * @mode: enum v4l2_type (radio or TV) - * @freq: frequency to set (0 means to use the previous one) * * If tuner doesn't support the needed mode (radio or TV), prints a * debug message and returns -EINVAL, changing its state to standby. - * Otherwise, changes the state and sets frequency to the last value, if - * the tuner can sleep or if it supports both Radio and TV. + * Otherwise, changes the mode and returns 0. */ -static int set_mode_freq(struct i2c_client *client, struct tuner *t, - enum v4l2_tuner_type mode, unsigned int freq) +static int set_mode(struct tuner *t, enum v4l2_tuner_type mode) { struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; @@ -752,17 +757,27 @@ static int set_mode_freq(struct i2c_client *client, struct tuner *t, t->mode = mode; tuner_dbg("Changing to mode %d\n", mode); } + return 0; +} + +/** + * set_freq - Set the tuner to the desired frequency. + * @t: a pointer to the module's internal struct_tuner + * @freq: frequency to set (0 means to use the current frequency) + */ +static void set_freq(struct tuner *t, unsigned int freq) +{ + struct i2c_client *client = v4l2_get_subdevdata(&t->sd); + if (t->mode == V4L2_TUNER_RADIO) { - if (freq) - t->radio_freq = freq; - set_radio_freq(client, t->radio_freq); + if (!freq) + freq = t->radio_freq; + set_radio_freq(client, freq); } else { - if (freq) - t->tv_freq = freq; - set_tv_freq(client, t->tv_freq); + if (!freq) + freq = t->tv_freq; + set_tv_freq(client, freq); } - - return 0; } /* @@ -817,7 +832,8 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq) /** * tuner_fixup_std - force a given video standard variant * - * @t: tuner internal struct + * @t: tuner internal struct + * @std: TV standard * * A few devices or drivers have problem to detect some standard variations. * On other operational systems, the drivers generally have a per-country @@ -827,57 +843,39 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq) * to distinguish all video standard variations, a modprobe parameter can * be used to force a video standard match. */ -static int tuner_fixup_std(struct tuner *t) +static v4l2_std_id tuner_fixup_std(struct tuner *t, v4l2_std_id std) { - if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { + if (pal[0] != '-' && (std & V4L2_STD_PAL) == V4L2_STD_PAL) { switch (pal[0]) { case '6': - tuner_dbg("insmod fixup: PAL => PAL-60\n"); - t->std = V4L2_STD_PAL_60; - break; + return V4L2_STD_PAL_60; case 'b': case 'B': case 'g': case 'G': - tuner_dbg("insmod fixup: PAL => PAL-BG\n"); - t->std = V4L2_STD_PAL_BG; - break; + return V4L2_STD_PAL_BG; case 'i': case 'I': - tuner_dbg("insmod fixup: PAL => PAL-I\n"); - t->std = V4L2_STD_PAL_I; - break; + return V4L2_STD_PAL_I; case 'd': case 'D': case 'k': case 'K': - tuner_dbg("insmod fixup: PAL => PAL-DK\n"); - t->std = V4L2_STD_PAL_DK; - break; + return V4L2_STD_PAL_DK; case 'M': case 'm': - tuner_dbg("insmod fixup: PAL => PAL-M\n"); - t->std = V4L2_STD_PAL_M; - break; + return V4L2_STD_PAL_M; case 'N': case 'n': - if (pal[1] == 'c' || pal[1] == 'C') { - tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); - t->std = V4L2_STD_PAL_Nc; - } else { - tuner_dbg("insmod fixup: PAL => PAL-N\n"); - t->std = V4L2_STD_PAL_N; - } - break; - case '-': - /* default parameter, do nothing */ - break; + if (pal[1] == 'c' || pal[1] == 'C') + return V4L2_STD_PAL_Nc; + return V4L2_STD_PAL_N; default: tuner_warn("pal= argument not recognised\n"); break; } } - if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { + if (secam[0] != '-' && (std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { switch (secam[0]) { case 'b': case 'B': @@ -885,63 +883,42 @@ static int tuner_fixup_std(struct tuner *t) case 'G': case 'h': case 'H': - tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); - t->std = V4L2_STD_SECAM_B | - V4L2_STD_SECAM_G | - V4L2_STD_SECAM_H; - break; + return V4L2_STD_SECAM_B | + V4L2_STD_SECAM_G | + V4L2_STD_SECAM_H; case 'd': case 'D': case 'k': case 'K': - tuner_dbg("insmod fixup: SECAM => SECAM-DK\n"); - t->std = V4L2_STD_SECAM_DK; - break; + return V4L2_STD_SECAM_DK; case 'l': case 'L': - if ((secam[1] == 'C') || (secam[1] == 'c')) { - tuner_dbg("insmod fixup: SECAM => SECAM-L'\n"); - t->std = V4L2_STD_SECAM_LC; - } else { - tuner_dbg("insmod fixup: SECAM => SECAM-L\n"); - t->std = V4L2_STD_SECAM_L; - } - break; - case '-': - /* default parameter, do nothing */ - break; + if ((secam[1] == 'C') || (secam[1] == 'c')) + return V4L2_STD_SECAM_LC; + return V4L2_STD_SECAM_L; default: tuner_warn("secam= argument not recognised\n"); break; } } - if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { + if (ntsc[0] != '-' && (std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { switch (ntsc[0]) { case 'm': case 'M': - tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); - t->std = V4L2_STD_NTSC_M; - break; + return V4L2_STD_NTSC_M; case 'j': case 'J': - tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); - t->std = V4L2_STD_NTSC_M_JP; - break; + return V4L2_STD_NTSC_M_JP; case 'k': case 'K': - tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); - t->std = V4L2_STD_NTSC_M_KR; - break; - case '-': - /* default parameter, do nothing */ - break; + return V4L2_STD_NTSC_M_KR; default: tuner_info("ntsc= argument not recognised\n"); break; } } - return 0; + return std; } /* @@ -1016,7 +993,7 @@ static void tuner_status(struct dvb_frontend *fe) case V4L2_TUNER_RADIO: p = "radio"; break; - case V4L2_TUNER_DIGITAL_TV: + case V4L2_TUNER_DIGITAL_TV: /* Used by mt20xx */ p = "digital TV"; break; case V4L2_TUNER_ANALOG_TV: @@ -1058,10 +1035,9 @@ static void tuner_status(struct dvb_frontend *fe) static int tuner_s_radio(struct v4l2_subdev *sd) { struct tuner *t = to_tuner(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - if (set_mode_freq(client, t, V4L2_TUNER_RADIO, 0) == -EINVAL) - return 0; + if (set_mode(t, V4L2_TUNER_RADIO) == 0) + set_freq(t, 0); return 0; } @@ -1072,16 +1048,20 @@ static int tuner_s_radio(struct v4l2_subdev *sd) /** * tuner_s_power - controls the power state of the tuner * @sd: pointer to struct v4l2_subdev - * @on: a zero value puts the tuner to sleep + * @on: a zero value puts the tuner to sleep, non-zero wakes it up */ static int tuner_s_power(struct v4l2_subdev *sd, int on) { struct tuner *t = to_tuner(sd); struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; - /* FIXME: Why this function don't wake the tuner if on != 0 ? */ - if (on) + if (on) { + if (t->standby && set_mode(t, t->mode) == 0) { + tuner_dbg("Waking up tuner\n"); + set_freq(t, 0); + } return 0; + } tuner_dbg("Putting tuner to sleep\n"); t->standby = true; @@ -1093,28 +1073,36 @@ static int tuner_s_power(struct v4l2_subdev *sd, int on) static int tuner_s_std(struct v4l2_subdev *sd, v4l2_std_id std) { struct tuner *t = to_tuner(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - if (set_mode_freq(client, t, V4L2_TUNER_ANALOG_TV, 0) == -EINVAL) + if (set_mode(t, V4L2_TUNER_ANALOG_TV)) return 0; - t->std = std; - tuner_fixup_std(t); - + t->std = tuner_fixup_std(t, std); + if (t->std != std) + tuner_dbg("Fixup standard %llx to %llx\n", std, t->std); + set_freq(t, 0); return 0; } static int tuner_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) { struct tuner *t = to_tuner(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - if (set_mode_freq(client, t, f->type, f->frequency) == -EINVAL) - return 0; + if (set_mode(t, f->type) == 0) + set_freq(t, f->frequency); return 0; } +/** + * tuner_g_frequency - Get the tuned frequency for the tuner + * @sd: pointer to struct v4l2_subdev + * @f: pointer to struct v4l2_frequency + * + * At return, the structure f will be filled with tuner frequency + * if the tuner matches the f->type. + * Note: f->type should be initialized before calling it. + * This is done by either video_ioctl2 or by the bridge driver. + */ static int tuner_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) { struct tuner *t = to_tuner(sd); @@ -1122,8 +1110,7 @@ static int tuner_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) if (check_mode(t, f->type) == -EINVAL) return 0; - f->type = t->mode; - if (fe_tuner_ops->get_frequency && !t->standby) { + if (f->type == t->mode && fe_tuner_ops->get_frequency && !t->standby) { u32 abs_freq; fe_tuner_ops->get_frequency(&t->fe, &abs_freq); @@ -1131,12 +1118,22 @@ static int tuner_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) DIV_ROUND_CLOSEST(abs_freq * 2, 125) : DIV_ROUND_CLOSEST(abs_freq, 62500); } else { - f->frequency = (V4L2_TUNER_RADIO == t->mode) ? + f->frequency = (V4L2_TUNER_RADIO == f->type) ? t->radio_freq : t->tv_freq; } return 0; } +/** + * tuner_g_tuner - Fill in tuner information + * @sd: pointer to struct v4l2_subdev + * @vt: pointer to struct v4l2_tuner + * + * At return, the structure vt will be filled with tuner information + * if the tuner matches vt->type. + * Note: vt->type should be initialized before calling it. + * This is done by either video_ioctl2 or by the bridge driver. + */ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) { struct tuner *t = to_tuner(sd); @@ -1145,48 +1142,57 @@ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) if (check_mode(t, vt->type) == -EINVAL) return 0; - vt->type = t->mode; - if (analog_ops->get_afc) + if (vt->type == t->mode && analog_ops->get_afc) vt->afc = analog_ops->get_afc(&t->fe); - if (t->mode == V4L2_TUNER_ANALOG_TV) - vt->capability |= V4L2_TUNER_CAP_NORM; if (t->mode != V4L2_TUNER_RADIO) { + vt->capability |= V4L2_TUNER_CAP_NORM; vt->rangelow = tv_range[0] * 16; vt->rangehigh = tv_range[1] * 16; return 0; } /* radio mode */ - vt->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; - if (fe_tuner_ops->get_status) { - u32 tuner_status; - - fe_tuner_ops->get_status(&t->fe, &tuner_status); - vt->rxsubchans = - (tuner_status & TUNER_STATUS_STEREO) ? - V4L2_TUNER_SUB_STEREO : - V4L2_TUNER_SUB_MONO; + if (vt->type == t->mode) { + vt->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; + if (fe_tuner_ops->get_status) { + u32 tuner_status; + + fe_tuner_ops->get_status(&t->fe, &tuner_status); + vt->rxsubchans = + (tuner_status & TUNER_STATUS_STEREO) ? + V4L2_TUNER_SUB_STEREO : + V4L2_TUNER_SUB_MONO; + } + if (analog_ops->has_signal) + vt->signal = analog_ops->has_signal(&t->fe); + vt->audmode = t->audmode; } - if (analog_ops->has_signal) - vt->signal = analog_ops->has_signal(&t->fe); vt->capability |= V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; - vt->audmode = t->audmode; vt->rangelow = radio_range[0] * 16000; vt->rangehigh = radio_range[1] * 16000; return 0; } +/** + * tuner_s_tuner - Set the tuner's audio mode + * @sd: pointer to struct v4l2_subdev + * @vt: pointer to struct v4l2_tuner + * + * Sets the audio mode if the tuner matches vt->type. + * Note: vt->type should be initialized before calling it. + * This is done by either video_ioctl2 or by the bridge driver. + */ static int tuner_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) { struct tuner *t = to_tuner(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - if (set_mode_freq(client, t, vt->type, 0) == -EINVAL) + if (set_mode(t, vt->type)) return 0; if (t->mode == V4L2_TUNER_RADIO) t->audmode = vt->audmode; + set_freq(t, 0); return 0; } @@ -1221,7 +1227,8 @@ static int tuner_resume(struct i2c_client *c) tuner_dbg("resume\n"); if (!t->standby) - set_mode_freq(c, t, t->type, 0); + if (set_mode(t, t->mode) == 0) + set_freq(t, 0); return 0; } diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index 506edcc2ddeb..69e8c6ffcc49 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -1822,6 +1822,8 @@ static long __video_do_ioctl(struct file *file, if (!ops->vidioc_g_tuner) break; + p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; ret = ops->vidioc_g_tuner(file, fh, p); if (!ret) dbgarg(cmd, "index=%d, name=%s, type=%d, " @@ -1840,6 +1842,8 @@ static long __video_do_ioctl(struct file *file, if (!ops->vidioc_s_tuner) break; + p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; dbgarg(cmd, "index=%d, name=%s, type=%d, " "capability=0x%x, rangelow=%d, " "rangehigh=%d, signal=%d, afc=%d, " @@ -1858,6 +1862,8 @@ static long __video_do_ioctl(struct file *file, if (!ops->vidioc_g_frequency) break; + p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; ret = ops->vidioc_g_frequency(file, fh, p); if (!ret) dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", @@ -1940,13 +1946,19 @@ static long __video_do_ioctl(struct file *file, case VIDIOC_S_HW_FREQ_SEEK: { struct v4l2_hw_freq_seek *p = arg; + enum v4l2_tuner_type type; if (!ops->vidioc_s_hw_freq_seek) break; + type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; dbgarg(cmd, - "tuner=%d, type=%d, seek_upward=%d, wrap_around=%d\n", - p->tuner, p->type, p->seek_upward, p->wrap_around); - ret = ops->vidioc_s_hw_freq_seek(file, fh, p); + "tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u\n", + p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing); + if (p->type != type) + ret = -EINVAL; + else + ret = ops->vidioc_s_hw_freq_seek(file, fh, p); break; } case VIDIOC_ENUM_FRAMESIZES: diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index c27fd1fc3b86..c71ae09430c5 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -619,6 +619,7 @@ static void asic3_clk_disable(struct asic3 *asic, struct asic3_clk *clk) /* MFD cells (SPI, PWM, LED, DS1WM, MMC) */ static struct ds1wm_driver_data ds1wm_pdata = { .active_high = 1, + .reset_recover_delay = 1, }; static struct resource ds1wm_resources[] = { diff --git a/drivers/mfd/htc-pasic3.c b/drivers/mfd/htc-pasic3.c index 2808bd125d13..04c7093d6499 100644 --- a/drivers/mfd/htc-pasic3.c +++ b/drivers/mfd/htc-pasic3.c @@ -99,6 +99,7 @@ static int ds1wm_disable(struct platform_device *pdev) static struct ds1wm_driver_data ds1wm_pdata = { .active_high = 0, + .reset_recover_delay = 1, }; static struct resource ds1wm_resources[] __initdata = { diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index f85e42224559..1ff5486213fb 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -106,6 +106,16 @@ struct mmc_blk_data { static DEFINE_MUTEX(open_lock); +enum mmc_blk_status { + MMC_BLK_SUCCESS = 0, + MMC_BLK_PARTIAL, + MMC_BLK_RETRY, + MMC_BLK_RETRY_SINGLE, + MMC_BLK_DATA_ERR, + MMC_BLK_CMD_ERR, + MMC_BLK_ABORT, +}; + module_param(perdev_minors, int, 0444); MODULE_PARM_DESC(perdev_minors, "Minors numbers to allocate per device"); @@ -427,14 +437,6 @@ static const struct block_device_operations mmc_bdops = { #endif }; -struct mmc_blk_request { - struct mmc_request mrq; - struct mmc_command sbc; - struct mmc_command cmd; - struct mmc_command stop; - struct mmc_data data; -}; - static inline int mmc_blk_part_switch(struct mmc_card *card, struct mmc_blk_data *md) { @@ -525,7 +527,20 @@ static u32 mmc_sd_num_wr_blocks(struct mmc_card *card) return result; } -static u32 get_card_status(struct mmc_card *card, struct request *req) +static int send_stop(struct mmc_card *card, u32 *status) +{ + struct mmc_command cmd = {0}; + int err; + + cmd.opcode = MMC_STOP_TRANSMISSION; + cmd.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC; + err = mmc_wait_for_cmd(card->host, &cmd, 5); + if (err == 0) + *status = cmd.resp[0]; + return err; +} + +static int get_card_status(struct mmc_card *card, u32 *status, int retries) { struct mmc_command cmd = {0}; int err; @@ -534,11 +549,141 @@ static u32 get_card_status(struct mmc_card *card, struct request *req) if (!mmc_host_is_spi(card->host)) cmd.arg = card->rca << 16; cmd.flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC; - err = mmc_wait_for_cmd(card->host, &cmd, 0); + err = mmc_wait_for_cmd(card->host, &cmd, retries); + if (err == 0) + *status = cmd.resp[0]; + return err; +} + +#define ERR_RETRY 2 +#define ERR_ABORT 1 +#define ERR_CONTINUE 0 + +static int mmc_blk_cmd_error(struct request *req, const char *name, int error, + bool status_valid, u32 status) +{ + switch (error) { + case -EILSEQ: + /* response crc error, retry the r/w cmd */ + pr_err("%s: %s sending %s command, card status %#x\n", + req->rq_disk->disk_name, "response CRC error", + name, status); + return ERR_RETRY; + + case -ETIMEDOUT: + pr_err("%s: %s sending %s command, card status %#x\n", + req->rq_disk->disk_name, "timed out", name, status); + + /* If the status cmd initially failed, retry the r/w cmd */ + if (!status_valid) + return ERR_RETRY; + + /* + * If it was a r/w cmd crc error, or illegal command + * (eg, issued in wrong state) then retry - we should + * have corrected the state problem above. + */ + if (status & (R1_COM_CRC_ERROR | R1_ILLEGAL_COMMAND)) + return ERR_RETRY; + + /* Otherwise abort the command */ + return ERR_ABORT; + + default: + /* We don't understand the error code the driver gave us */ + pr_err("%s: unknown error %d sending read/write command, card status %#x\n", + req->rq_disk->disk_name, error, status); + return ERR_ABORT; + } +} + +/* + * Initial r/w and stop cmd error recovery. + * We don't know whether the card received the r/w cmd or not, so try to + * restore things back to a sane state. Essentially, we do this as follows: + * - Obtain card status. If the first attempt to obtain card status fails, + * the status word will reflect the failed status cmd, not the failed + * r/w cmd. If we fail to obtain card status, it suggests we can no + * longer communicate with the card. + * - Check the card state. If the card received the cmd but there was a + * transient problem with the response, it might still be in a data transfer + * mode. Try to send it a stop command. If this fails, we can't recover. + * - If the r/w cmd failed due to a response CRC error, it was probably + * transient, so retry the cmd. + * - If the r/w cmd timed out, but we didn't get the r/w cmd status, retry. + * - If the r/w cmd timed out, and the r/w cmd failed due to CRC error or + * illegal cmd, retry. + * Otherwise we don't understand what happened, so abort. + */ +static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req, + struct mmc_blk_request *brq) +{ + bool prev_cmd_status_valid = true; + u32 status, stop_status = 0; + int err, retry; + + /* + * Try to get card status which indicates both the card state + * and why there was no response. If the first attempt fails, + * we can't be sure the returned status is for the r/w command. + */ + for (retry = 2; retry >= 0; retry--) { + err = get_card_status(card, &status, 0); + if (!err) + break; + + prev_cmd_status_valid = false; + pr_err("%s: error %d sending status command, %sing\n", + req->rq_disk->disk_name, err, retry ? "retry" : "abort"); + } + + /* We couldn't get a response from the card. Give up. */ if (err) - printk(KERN_ERR "%s: error %d sending status command", - req->rq_disk->disk_name, err); - return cmd.resp[0]; + return ERR_ABORT; + + /* + * Check the current card state. If it is in some data transfer + * mode, tell it to stop (and hopefully transition back to TRAN.) + */ + if (R1_CURRENT_STATE(status) == R1_STATE_DATA || + R1_CURRENT_STATE(status) == R1_STATE_RCV) { + err = send_stop(card, &stop_status); + if (err) + pr_err("%s: error %d sending stop command\n", + req->rq_disk->disk_name, err); + + /* + * If the stop cmd also timed out, the card is probably + * not present, so abort. Other errors are bad news too. + */ + if (err) + return ERR_ABORT; + } + + /* Check for set block count errors */ + if (brq->sbc.error) + return mmc_blk_cmd_error(req, "SET_BLOCK_COUNT", brq->sbc.error, + prev_cmd_status_valid, status); + + /* Check for r/w command errors */ + if (brq->cmd.error) + return mmc_blk_cmd_error(req, "r/w cmd", brq->cmd.error, + prev_cmd_status_valid, status); + + /* Now for stop errors. These aren't fatal to the transfer. */ + pr_err("%s: error %d sending stop command, original cmd response %#x, card status %#x\n", + req->rq_disk->disk_name, brq->stop.error, + brq->cmd.resp[0], status); + + /* + * Subsitute in our own stop status as this will give the error + * state which happened during the execution of the r/w command. + */ + if (stop_status) { + brq->stop.resp[0] = stop_status; + brq->stop.error = 0; + } + return ERR_CONTINUE; } static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req) @@ -669,240 +814,324 @@ static inline void mmc_apply_rel_rw(struct mmc_blk_request *brq, } } -static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *req) +#define CMD_ERRORS \ + (R1_OUT_OF_RANGE | /* Command argument out of range */ \ + R1_ADDRESS_ERROR | /* Misaligned address */ \ + R1_BLOCK_LEN_ERROR | /* Transferred block length incorrect */\ + R1_WP_VIOLATION | /* Tried to write to protected block */ \ + R1_CC_ERROR | /* Card controller error */ \ + R1_ERROR) /* General/unknown error */ + +static int mmc_blk_err_check(struct mmc_card *card, + struct mmc_async_req *areq) { - struct mmc_blk_data *md = mq->data; - struct mmc_card *card = md->queue.card; - struct mmc_blk_request brq; - int ret = 1, disable_multi = 0; + enum mmc_blk_status ret = MMC_BLK_SUCCESS; + struct mmc_queue_req *mq_mrq = container_of(areq, struct mmc_queue_req, + mmc_active); + struct mmc_blk_request *brq = &mq_mrq->brq; + struct request *req = mq_mrq->req; /* - * Reliable writes are used to implement Forced Unit Access and - * REQ_META accesses, and are supported only on MMCs. + * sbc.error indicates a problem with the set block count + * command. No data will have been transferred. + * + * cmd.error indicates a problem with the r/w command. No + * data will have been transferred. + * + * stop.error indicates a problem with the stop command. Data + * may have been transferred, or may still be transferring. */ - bool do_rel_wr = ((req->cmd_flags & REQ_FUA) || - (req->cmd_flags & REQ_META)) && - (rq_data_dir(req) == WRITE) && - (md->flags & MMC_BLK_REL_WR); + if (brq->sbc.error || brq->cmd.error || brq->stop.error) { + switch (mmc_blk_cmd_recovery(card, req, brq)) { + case ERR_RETRY: + return MMC_BLK_RETRY; + case ERR_ABORT: + return MMC_BLK_ABORT; + case ERR_CONTINUE: + break; + } + } - do { - struct mmc_command cmd = {0}; - u32 readcmd, writecmd, status = 0; - - memset(&brq, 0, sizeof(struct mmc_blk_request)); - brq.mrq.cmd = &brq.cmd; - brq.mrq.data = &brq.data; - - brq.cmd.arg = blk_rq_pos(req); - if (!mmc_card_blockaddr(card)) - brq.cmd.arg <<= 9; - brq.cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_ADTC; - brq.data.blksz = 512; - brq.stop.opcode = MMC_STOP_TRANSMISSION; - brq.stop.arg = 0; - brq.stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC; - brq.data.blocks = blk_rq_sectors(req); + /* + * Check for errors relating to the execution of the + * initial command - such as address errors. No data + * has been transferred. + */ + if (brq->cmd.resp[0] & CMD_ERRORS) { + pr_err("%s: r/w command failed, status = %#x\n", + req->rq_disk->disk_name, brq->cmd.resp[0]); + return MMC_BLK_ABORT; + } - /* - * The block layer doesn't support all sector count - * restrictions, so we need to be prepared for too big - * requests. - */ - if (brq.data.blocks > card->host->max_blk_count) - brq.data.blocks = card->host->max_blk_count; + /* + * Everything else is either success, or a data error of some + * kind. If it was a write, we may have transitioned to + * program mode, which we have to wait for it to complete. + */ + if (!mmc_host_is_spi(card->host) && rq_data_dir(req) != READ) { + u32 status; + do { + int err = get_card_status(card, &status, 5); + if (err) { + printk(KERN_ERR "%s: error %d requesting status\n", + req->rq_disk->disk_name, err); + return MMC_BLK_CMD_ERR; + } + /* + * Some cards mishandle the status bits, + * so make sure to check both the busy + * indication and the card state. + */ + } while (!(status & R1_READY_FOR_DATA) || + (R1_CURRENT_STATE(status) == R1_STATE_PRG)); + } - /* - * After a read error, we redo the request one sector at a time - * in order to accurately determine which sectors can be read - * successfully. - */ - if (disable_multi && brq.data.blocks > 1) - brq.data.blocks = 1; + if (brq->data.error) { + pr_err("%s: error %d transferring data, sector %u, nr %u, cmd response %#x, card status %#x\n", + req->rq_disk->disk_name, brq->data.error, + (unsigned)blk_rq_pos(req), + (unsigned)blk_rq_sectors(req), + brq->cmd.resp[0], brq->stop.resp[0]); - if (brq.data.blocks > 1 || do_rel_wr) { - /* SPI multiblock writes terminate using a special - * token, not a STOP_TRANSMISSION request. - */ - if (!mmc_host_is_spi(card->host) || - rq_data_dir(req) == READ) - brq.mrq.stop = &brq.stop; - readcmd = MMC_READ_MULTIPLE_BLOCK; - writecmd = MMC_WRITE_MULTIPLE_BLOCK; - } else { - brq.mrq.stop = NULL; - readcmd = MMC_READ_SINGLE_BLOCK; - writecmd = MMC_WRITE_BLOCK; - } if (rq_data_dir(req) == READ) { - brq.cmd.opcode = readcmd; - brq.data.flags |= MMC_DATA_READ; + if (brq->data.blocks > 1) { + /* Redo read one sector at a time */ + pr_warning("%s: retrying using single block read\n", + req->rq_disk->disk_name); + return MMC_BLK_RETRY_SINGLE; + } + return MMC_BLK_DATA_ERR; } else { - brq.cmd.opcode = writecmd; - brq.data.flags |= MMC_DATA_WRITE; + return MMC_BLK_CMD_ERR; } + } - if (do_rel_wr) - mmc_apply_rel_rw(&brq, card, req); + if (ret == MMC_BLK_SUCCESS && + blk_rq_bytes(req) != brq->data.bytes_xfered) + ret = MMC_BLK_PARTIAL; - /* - * Pre-defined multi-block transfers are preferable to - * open ended-ones (and necessary for reliable writes). - * However, it is not sufficient to just send CMD23, - * and avoid the final CMD12, as on an error condition - * CMD12 (stop) needs to be sent anyway. This, coupled - * with Auto-CMD23 enhancements provided by some - * hosts, means that the complexity of dealing - * with this is best left to the host. If CMD23 is - * supported by card and host, we'll fill sbc in and let - * the host deal with handling it correctly. This means - * that for hosts that don't expose MMC_CAP_CMD23, no - * change of behavior will be observed. - * - * N.B: Some MMC cards experience perf degradation. - * We'll avoid using CMD23-bounded multiblock writes for - * these, while retaining features like reliable writes. - */ + return ret; +} - if ((md->flags & MMC_BLK_CMD23) && - mmc_op_multi(brq.cmd.opcode) && - (do_rel_wr || !(card->quirks & MMC_QUIRK_BLK_NO_CMD23))) { - brq.sbc.opcode = MMC_SET_BLOCK_COUNT; - brq.sbc.arg = brq.data.blocks | - (do_rel_wr ? (1 << 31) : 0); - brq.sbc.flags = MMC_RSP_R1 | MMC_CMD_AC; - brq.mrq.sbc = &brq.sbc; - } +static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq, + struct mmc_card *card, + int disable_multi, + struct mmc_queue *mq) +{ + u32 readcmd, writecmd; + struct mmc_blk_request *brq = &mqrq->brq; + struct request *req = mqrq->req; + struct mmc_blk_data *md = mq->data; - mmc_set_data_timeout(&brq.data, card); + /* + * Reliable writes are used to implement Forced Unit Access and + * REQ_META accesses, and are supported only on MMCs. + */ + bool do_rel_wr = ((req->cmd_flags & REQ_FUA) || + (req->cmd_flags & REQ_META)) && + (rq_data_dir(req) == WRITE) && + (md->flags & MMC_BLK_REL_WR); - brq.data.sg = mq->sg; - brq.data.sg_len = mmc_queue_map_sg(mq); + memset(brq, 0, sizeof(struct mmc_blk_request)); + brq->mrq.cmd = &brq->cmd; + brq->mrq.data = &brq->data; - /* - * Adjust the sg list so it is the same size as the - * request. + brq->cmd.arg = blk_rq_pos(req); + if (!mmc_card_blockaddr(card)) + brq->cmd.arg <<= 9; + brq->cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_ADTC; + brq->data.blksz = 512; + brq->stop.opcode = MMC_STOP_TRANSMISSION; + brq->stop.arg = 0; + brq->stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC; + brq->data.blocks = blk_rq_sectors(req); + + /* + * The block layer doesn't support all sector count + * restrictions, so we need to be prepared for too big + * requests. + */ + if (brq->data.blocks > card->host->max_blk_count) + brq->data.blocks = card->host->max_blk_count; + + /* + * After a read error, we redo the request one sector at a time + * in order to accurately determine which sectors can be read + * successfully. + */ + if (disable_multi && brq->data.blocks > 1) + brq->data.blocks = 1; + + if (brq->data.blocks > 1 || do_rel_wr) { + /* SPI multiblock writes terminate using a special + * token, not a STOP_TRANSMISSION request. */ - if (brq.data.blocks != blk_rq_sectors(req)) { - int i, data_size = brq.data.blocks << 9; - struct scatterlist *sg; - - for_each_sg(brq.data.sg, sg, brq.data.sg_len, i) { - data_size -= sg->length; - if (data_size <= 0) { - sg->length += data_size; - i++; - break; - } - } - brq.data.sg_len = i; - } + if (!mmc_host_is_spi(card->host) || + rq_data_dir(req) == READ) + brq->mrq.stop = &brq->stop; + readcmd = MMC_READ_MULTIPLE_BLOCK; + writecmd = MMC_WRITE_MULTIPLE_BLOCK; + } else { + brq->mrq.stop = NULL; + readcmd = MMC_READ_SINGLE_BLOCK; + writecmd = MMC_WRITE_BLOCK; + } + if (rq_data_dir(req) == READ) { + brq->cmd.opcode = readcmd; + brq->data.flags |= MMC_DATA_READ; + } else { + brq->cmd.opcode = writecmd; + brq->data.flags |= MMC_DATA_WRITE; + } - mmc_queue_bounce_pre(mq); + if (do_rel_wr) + mmc_apply_rel_rw(brq, card, req); - mmc_wait_for_req(card->host, &brq.mrq); + /* + * Pre-defined multi-block transfers are preferable to + * open ended-ones (and necessary for reliable writes). + * However, it is not sufficient to just send CMD23, + * and avoid the final CMD12, as on an error condition + * CMD12 (stop) needs to be sent anyway. This, coupled + * with Auto-CMD23 enhancements provided by some + * hosts, means that the complexity of dealing + * with this is best left to the host. If CMD23 is + * supported by card and host, we'll fill sbc in and let + * the host deal with handling it correctly. This means + * that for hosts that don't expose MMC_CAP_CMD23, no + * change of behavior will be observed. + * + * N.B: Some MMC cards experience perf degradation. + * We'll avoid using CMD23-bounded multiblock writes for + * these, while retaining features like reliable writes. + */ - mmc_queue_bounce_post(mq); + if ((md->flags & MMC_BLK_CMD23) && + mmc_op_multi(brq->cmd.opcode) && + (do_rel_wr || !(card->quirks & MMC_QUIRK_BLK_NO_CMD23))) { + brq->sbc.opcode = MMC_SET_BLOCK_COUNT; + brq->sbc.arg = brq->data.blocks | + (do_rel_wr ? (1 << 31) : 0); + brq->sbc.flags = MMC_RSP_R1 | MMC_CMD_AC; + brq->mrq.sbc = &brq->sbc; + } - /* - * Check for errors here, but don't jump to cmd_err - * until later as we need to wait for the card to leave - * programming mode even when things go wrong. - */ - if (brq.sbc.error || brq.cmd.error || - brq.data.error || brq.stop.error) { - if (brq.data.blocks > 1 && rq_data_dir(req) == READ) { - /* Redo read one sector at a time */ - printk(KERN_WARNING "%s: retrying using single " - "block read\n", req->rq_disk->disk_name); - disable_multi = 1; - continue; - } - status = get_card_status(card, req); - } + mmc_set_data_timeout(&brq->data, card); - if (brq.sbc.error) { - printk(KERN_ERR "%s: error %d sending SET_BLOCK_COUNT " - "command, response %#x, card status %#x\n", - req->rq_disk->disk_name, brq.sbc.error, - brq.sbc.resp[0], status); - } + brq->data.sg = mqrq->sg; + brq->data.sg_len = mmc_queue_map_sg(mq, mqrq); - if (brq.cmd.error) { - printk(KERN_ERR "%s: error %d sending read/write " - "command, response %#x, card status %#x\n", - req->rq_disk->disk_name, brq.cmd.error, - brq.cmd.resp[0], status); + /* + * Adjust the sg list so it is the same size as the + * request. + */ + if (brq->data.blocks != blk_rq_sectors(req)) { + int i, data_size = brq->data.blocks << 9; + struct scatterlist *sg; + + for_each_sg(brq->data.sg, sg, brq->data.sg_len, i) { + data_size -= sg->length; + if (data_size <= 0) { + sg->length += data_size; + i++; + break; + } } + brq->data.sg_len = i; + } - if (brq.data.error) { - if (brq.data.error == -ETIMEDOUT && brq.mrq.stop) - /* 'Stop' response contains card status */ - status = brq.mrq.stop->resp[0]; - printk(KERN_ERR "%s: error %d transferring data," - " sector %u, nr %u, card status %#x\n", - req->rq_disk->disk_name, brq.data.error, - (unsigned)blk_rq_pos(req), - (unsigned)blk_rq_sectors(req), status); - } + mqrq->mmc_active.mrq = &brq->mrq; + mqrq->mmc_active.err_check = mmc_blk_err_check; - if (brq.stop.error) { - printk(KERN_ERR "%s: error %d sending stop command, " - "response %#x, card status %#x\n", - req->rq_disk->disk_name, brq.stop.error, - brq.stop.resp[0], status); - } + mmc_queue_bounce_pre(mqrq); +} - if (!mmc_host_is_spi(card->host) && rq_data_dir(req) != READ) { - do { - int err; - - cmd.opcode = MMC_SEND_STATUS; - cmd.arg = card->rca << 16; - cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; - err = mmc_wait_for_cmd(card->host, &cmd, 5); - if (err) { - printk(KERN_ERR "%s: error %d requesting status\n", - req->rq_disk->disk_name, err); - goto cmd_err; - } - /* - * Some cards mishandle the status bits, - * so make sure to check both the busy - * indication and the card state. - */ - } while (!(cmd.resp[0] & R1_READY_FOR_DATA) || - (R1_CURRENT_STATE(cmd.resp[0]) == 7)); - -#if 0 - if (cmd.resp[0] & ~0x00000900) - printk(KERN_ERR "%s: status = %08x\n", - req->rq_disk->disk_name, cmd.resp[0]); - if (mmc_decode_status(cmd.resp)) - goto cmd_err; -#endif - } +static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc) +{ + struct mmc_blk_data *md = mq->data; + struct mmc_card *card = md->queue.card; + struct mmc_blk_request *brq = &mq->mqrq_cur->brq; + int ret = 1, disable_multi = 0, retry = 0; + enum mmc_blk_status status; + struct mmc_queue_req *mq_rq; + struct request *req; + struct mmc_async_req *areq; + + if (!rqc && !mq->mqrq_prev->req) + return 0; - if (brq.cmd.error || brq.stop.error || brq.data.error) { - if (rq_data_dir(req) == READ) { + do { + if (rqc) { + mmc_blk_rw_rq_prep(mq->mqrq_cur, card, 0, mq); + areq = &mq->mqrq_cur->mmc_active; + } else + areq = NULL; + areq = mmc_start_req(card->host, areq, (int *) &status); + if (!areq) + return 0; + + mq_rq = container_of(areq, struct mmc_queue_req, mmc_active); + brq = &mq_rq->brq; + req = mq_rq->req; + mmc_queue_bounce_post(mq_rq); + + switch (status) { + case MMC_BLK_SUCCESS: + case MMC_BLK_PARTIAL: + /* + * A block was successfully transferred. + */ + spin_lock_irq(&md->lock); + ret = __blk_end_request(req, 0, + brq->data.bytes_xfered); + spin_unlock_irq(&md->lock); + if (status == MMC_BLK_SUCCESS && ret) { /* - * After an error, we redo I/O one sector at a - * time, so we only reach here after trying to - * read a single sector. + * The blk_end_request has returned non zero + * even though all data is transfered and no + * erros returned by host. + * If this happen it's a bug. */ - spin_lock_irq(&md->lock); - ret = __blk_end_request(req, -EIO, brq.data.blksz); - spin_unlock_irq(&md->lock); - continue; + printk(KERN_ERR "%s BUG rq_tot %d d_xfer %d\n", + __func__, blk_rq_bytes(req), + brq->data.bytes_xfered); + rqc = NULL; + goto cmd_abort; } + break; + case MMC_BLK_CMD_ERR: goto cmd_err; + case MMC_BLK_RETRY_SINGLE: + disable_multi = 1; + break; + case MMC_BLK_RETRY: + if (retry++ < 5) + break; + case MMC_BLK_ABORT: + goto cmd_abort; + case MMC_BLK_DATA_ERR: + /* + * After an error, we redo I/O one sector at a + * time, so we only reach here after trying to + * read a single sector. + */ + spin_lock_irq(&md->lock); + ret = __blk_end_request(req, -EIO, + brq->data.blksz); + spin_unlock_irq(&md->lock); + if (!ret) + goto start_new_req; + break; } - /* - * A block was successfully transferred. - */ - spin_lock_irq(&md->lock); - ret = __blk_end_request(req, 0, brq.data.bytes_xfered); - spin_unlock_irq(&md->lock); + if (ret) { + /* + * In case of a none complete request + * prepare it again and resend. + */ + mmc_blk_rw_rq_prep(mq_rq, card, disable_multi, mq); + mmc_start_req(card->host, &mq_rq->mmc_active, NULL); + } } while (ret); return 1; @@ -927,15 +1156,22 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *req) } } else { spin_lock_irq(&md->lock); - ret = __blk_end_request(req, 0, brq.data.bytes_xfered); + ret = __blk_end_request(req, 0, brq->data.bytes_xfered); spin_unlock_irq(&md->lock); } + cmd_abort: spin_lock_irq(&md->lock); while (ret) ret = __blk_end_request(req, -EIO, blk_rq_cur_bytes(req)); spin_unlock_irq(&md->lock); + start_new_req: + if (rqc) { + mmc_blk_rw_rq_prep(mq->mqrq_cur, card, 0, mq); + mmc_start_req(card->host, &mq->mqrq_cur->mmc_active, NULL); + } + return 0; } @@ -945,26 +1181,37 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) struct mmc_blk_data *md = mq->data; struct mmc_card *card = md->queue.card; - mmc_claim_host(card->host); + if (req && !mq->mqrq_prev->req) + /* claim host only for the first request */ + mmc_claim_host(card->host); + ret = mmc_blk_part_switch(card, md); if (ret) { ret = 0; goto out; } - if (req->cmd_flags & REQ_DISCARD) { + if (req && req->cmd_flags & REQ_DISCARD) { + /* complete ongoing async transfer before issuing discard */ + if (card->host->areq) + mmc_blk_issue_rw_rq(mq, NULL); if (req->cmd_flags & REQ_SECURE) ret = mmc_blk_issue_secdiscard_rq(mq, req); else ret = mmc_blk_issue_discard_rq(mq, req); - } else if (req->cmd_flags & REQ_FLUSH) { + } else if (req && req->cmd_flags & REQ_FLUSH) { + /* complete ongoing async transfer before issuing flush */ + if (card->host->areq) + mmc_blk_issue_rw_rq(mq, NULL); ret = mmc_blk_issue_flush(mq, req); } else { ret = mmc_blk_issue_rw_rq(mq, req); } out: - mmc_release_host(card->host); + if (!req) + /* release host only when there are no more requests */ + mmc_release_host(card->host); return ret; } diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c index 233cdfae92f4..006a5e9f8ab8 100644 --- a/drivers/mmc/card/mmc_test.c +++ b/drivers/mmc/card/mmc_test.c @@ -148,6 +148,27 @@ struct mmc_test_card { struct mmc_test_general_result *gr; }; +enum mmc_test_prep_media { + MMC_TEST_PREP_NONE = 0, + MMC_TEST_PREP_WRITE_FULL = 1 << 0, + MMC_TEST_PREP_ERASE = 1 << 1, +}; + +struct mmc_test_multiple_rw { + unsigned int *sg_len; + unsigned int *bs; + unsigned int len; + unsigned int size; + bool do_write; + bool do_nonblock_req; + enum mmc_test_prep_media prepare; +}; + +struct mmc_test_async_req { + struct mmc_async_req areq; + struct mmc_test_card *test; +}; + /*******************************************************************/ /* General helper functions */ /*******************************************************************/ @@ -367,21 +388,26 @@ out_free: * Map memory into a scatterlist. Optionally allow the same memory to be * mapped more than once. */ -static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long sz, +static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long size, struct scatterlist *sglist, int repeat, unsigned int max_segs, unsigned int max_seg_sz, - unsigned int *sg_len) + unsigned int *sg_len, int min_sg_len) { struct scatterlist *sg = NULL; unsigned int i; + unsigned long sz = size; sg_init_table(sglist, max_segs); + if (min_sg_len > max_segs) + min_sg_len = max_segs; *sg_len = 0; do { for (i = 0; i < mem->cnt; i++) { unsigned long len = PAGE_SIZE << mem->arr[i].order; + if (min_sg_len && (size / min_sg_len < len)) + len = ALIGN(size / min_sg_len, 512); if (len > sz) len = sz; if (len > max_seg_sz) @@ -554,11 +580,12 @@ static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, printk(KERN_INFO "%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " "%lu.%09lu seconds (%u kB/s, %u KiB/s, " - "%u.%02u IOPS)\n", + "%u.%02u IOPS, sg_len %d)\n", mmc_hostname(test->card->host), count, sectors, count, sectors >> 1, (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, - rate / 1000, rate / 1024, iops / 100, iops % 100); + rate / 1000, rate / 1024, iops / 100, iops % 100, + test->area.sg_len); mmc_test_save_transfer_result(test, count, sectors, ts, rate, iops); } @@ -661,7 +688,7 @@ static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, * Checks that a normal transfer didn't have any errors */ static int mmc_test_check_result(struct mmc_test_card *test, - struct mmc_request *mrq) + struct mmc_request *mrq) { int ret; @@ -685,6 +712,17 @@ static int mmc_test_check_result(struct mmc_test_card *test, return ret; } +static int mmc_test_check_result_async(struct mmc_card *card, + struct mmc_async_req *areq) +{ + struct mmc_test_async_req *test_async = + container_of(areq, struct mmc_test_async_req, areq); + + mmc_test_wait_busy(test_async->test); + + return mmc_test_check_result(test_async->test, areq->mrq); +} + /* * Checks that a "short transfer" behaved as expected */ @@ -720,6 +758,85 @@ static int mmc_test_check_broken_result(struct mmc_test_card *test, } /* + * Tests nonblock transfer with certain parameters + */ +static void mmc_test_nonblock_reset(struct mmc_request *mrq, + struct mmc_command *cmd, + struct mmc_command *stop, + struct mmc_data *data) +{ + memset(mrq, 0, sizeof(struct mmc_request)); + memset(cmd, 0, sizeof(struct mmc_command)); + memset(data, 0, sizeof(struct mmc_data)); + memset(stop, 0, sizeof(struct mmc_command)); + + mrq->cmd = cmd; + mrq->data = data; + mrq->stop = stop; +} +static int mmc_test_nonblock_transfer(struct mmc_test_card *test, + struct scatterlist *sg, unsigned sg_len, + unsigned dev_addr, unsigned blocks, + unsigned blksz, int write, int count) +{ + struct mmc_request mrq1; + struct mmc_command cmd1; + struct mmc_command stop1; + struct mmc_data data1; + + struct mmc_request mrq2; + struct mmc_command cmd2; + struct mmc_command stop2; + struct mmc_data data2; + + struct mmc_test_async_req test_areq[2]; + struct mmc_async_req *done_areq; + struct mmc_async_req *cur_areq = &test_areq[0].areq; + struct mmc_async_req *other_areq = &test_areq[1].areq; + int i; + int ret; + + test_areq[0].test = test; + test_areq[1].test = test; + + mmc_test_nonblock_reset(&mrq1, &cmd1, &stop1, &data1); + mmc_test_nonblock_reset(&mrq2, &cmd2, &stop2, &data2); + + cur_areq->mrq = &mrq1; + cur_areq->err_check = mmc_test_check_result_async; + other_areq->mrq = &mrq2; + other_areq->err_check = mmc_test_check_result_async; + + for (i = 0; i < count; i++) { + mmc_test_prepare_mrq(test, cur_areq->mrq, sg, sg_len, dev_addr, + blocks, blksz, write); + done_areq = mmc_start_req(test->card->host, cur_areq, &ret); + + if (ret || (!done_areq && i > 0)) + goto err; + + if (done_areq) { + if (done_areq->mrq == &mrq2) + mmc_test_nonblock_reset(&mrq2, &cmd2, + &stop2, &data2); + else + mmc_test_nonblock_reset(&mrq1, &cmd1, + &stop1, &data1); + } + done_areq = cur_areq; + cur_areq = other_areq; + other_areq = done_areq; + dev_addr += blocks; + } + + done_areq = mmc_start_req(test->card->host, NULL, &ret); + + return ret; +err: + return ret; +} + +/* * Tests a basic transfer with certain parameters */ static int mmc_test_simple_transfer(struct mmc_test_card *test, @@ -1302,7 +1419,7 @@ static int mmc_test_no_highmem(struct mmc_test_card *test) * Map sz bytes so that it can be transferred. */ static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, - int max_scatter) + int max_scatter, int min_sg_len) { struct mmc_test_area *t = &test->area; int err; @@ -1315,7 +1432,7 @@ static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, &t->sg_len); } else { err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, - t->max_seg_sz, &t->sg_len); + t->max_seg_sz, &t->sg_len, min_sg_len); } if (err) printk(KERN_INFO "%s: Failed to map sg list\n", @@ -1336,14 +1453,17 @@ static int mmc_test_area_transfer(struct mmc_test_card *test, } /* - * Map and transfer bytes. + * Map and transfer bytes for multiple transfers. */ -static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, - unsigned int dev_addr, int write, int max_scatter, - int timed) +static int mmc_test_area_io_seq(struct mmc_test_card *test, unsigned long sz, + unsigned int dev_addr, int write, + int max_scatter, int timed, int count, + bool nonblock, int min_sg_len) { struct timespec ts1, ts2; - int ret; + int ret = 0; + int i; + struct mmc_test_area *t = &test->area; /* * In the case of a maximally scattered transfer, the maximum transfer @@ -1361,14 +1481,21 @@ static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, sz = max_tfr; } - ret = mmc_test_area_map(test, sz, max_scatter); + ret = mmc_test_area_map(test, sz, max_scatter, min_sg_len); if (ret) return ret; if (timed) getnstimeofday(&ts1); + if (nonblock) + ret = mmc_test_nonblock_transfer(test, t->sg, t->sg_len, + dev_addr, t->blocks, 512, write, count); + else + for (i = 0; i < count && ret == 0; i++) { + ret = mmc_test_area_transfer(test, dev_addr, write); + dev_addr += sz >> 9; + } - ret = mmc_test_area_transfer(test, dev_addr, write); if (ret) return ret; @@ -1376,11 +1503,19 @@ static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, getnstimeofday(&ts2); if (timed) - mmc_test_print_rate(test, sz, &ts1, &ts2); + mmc_test_print_avg_rate(test, sz, count, &ts1, &ts2); return 0; } +static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, + unsigned int dev_addr, int write, int max_scatter, + int timed) +{ + return mmc_test_area_io_seq(test, sz, dev_addr, write, max_scatter, + timed, 1, false, 0); +} + /* * Write the test area entirely. */ @@ -1954,6 +2089,245 @@ static int mmc_test_large_seq_write_perf(struct mmc_test_card *test) return mmc_test_large_seq_perf(test, 1); } +static int mmc_test_rw_multiple(struct mmc_test_card *test, + struct mmc_test_multiple_rw *tdata, + unsigned int reqsize, unsigned int size, + int min_sg_len) +{ + unsigned int dev_addr; + struct mmc_test_area *t = &test->area; + int ret = 0; + + /* Set up test area */ + if (size > mmc_test_capacity(test->card) / 2 * 512) + size = mmc_test_capacity(test->card) / 2 * 512; + if (reqsize > t->max_tfr) + reqsize = t->max_tfr; + dev_addr = mmc_test_capacity(test->card) / 4; + if ((dev_addr & 0xffff0000)) + dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ + else + dev_addr &= 0xfffff800; /* Round to 1MiB boundary */ + if (!dev_addr) + goto err; + + if (reqsize > size) + return 0; + + /* prepare test area */ + if (mmc_can_erase(test->card) && + tdata->prepare & MMC_TEST_PREP_ERASE) { + ret = mmc_erase(test->card, dev_addr, + size / 512, MMC_SECURE_ERASE_ARG); + if (ret) + ret = mmc_erase(test->card, dev_addr, + size / 512, MMC_ERASE_ARG); + if (ret) + goto err; + } + + /* Run test */ + ret = mmc_test_area_io_seq(test, reqsize, dev_addr, + tdata->do_write, 0, 1, size / reqsize, + tdata->do_nonblock_req, min_sg_len); + if (ret) + goto err; + + return ret; + err: + printk(KERN_INFO "[%s] error\n", __func__); + return ret; +} + +static int mmc_test_rw_multiple_size(struct mmc_test_card *test, + struct mmc_test_multiple_rw *rw) +{ + int ret = 0; + int i; + void *pre_req = test->card->host->ops->pre_req; + void *post_req = test->card->host->ops->post_req; + + if (rw->do_nonblock_req && + ((!pre_req && post_req) || (pre_req && !post_req))) { + printk(KERN_INFO "error: only one of pre/post is defined\n"); + return -EINVAL; + } + + for (i = 0 ; i < rw->len && ret == 0; i++) { + ret = mmc_test_rw_multiple(test, rw, rw->bs[i], rw->size, 0); + if (ret) + break; + } + return ret; +} + +static int mmc_test_rw_multiple_sg_len(struct mmc_test_card *test, + struct mmc_test_multiple_rw *rw) +{ + int ret = 0; + int i; + + for (i = 0 ; i < rw->len && ret == 0; i++) { + ret = mmc_test_rw_multiple(test, rw, 512*1024, rw->size, + rw->sg_len[i]); + if (ret) + break; + } + return ret; +} + +/* + * Multiple blocking write 4k to 4 MB chunks + */ +static int mmc_test_profile_mult_write_blocking_perf(struct mmc_test_card *test) +{ + unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, + 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; + struct mmc_test_multiple_rw test_data = { + .bs = bs, + .size = TEST_AREA_MAX_SIZE, + .len = ARRAY_SIZE(bs), + .do_write = true, + .do_nonblock_req = false, + .prepare = MMC_TEST_PREP_ERASE, + }; + + return mmc_test_rw_multiple_size(test, &test_data); +}; + +/* + * Multiple non-blocking write 4k to 4 MB chunks + */ +static int mmc_test_profile_mult_write_nonblock_perf(struct mmc_test_card *test) +{ + unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, + 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; + struct mmc_test_multiple_rw test_data = { + .bs = bs, + .size = TEST_AREA_MAX_SIZE, + .len = ARRAY_SIZE(bs), + .do_write = true, + .do_nonblock_req = true, + .prepare = MMC_TEST_PREP_ERASE, + }; + + return mmc_test_rw_multiple_size(test, &test_data); +} + +/* + * Multiple blocking read 4k to 4 MB chunks + */ +static int mmc_test_profile_mult_read_blocking_perf(struct mmc_test_card *test) +{ + unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, + 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; + struct mmc_test_multiple_rw test_data = { + .bs = bs, + .size = TEST_AREA_MAX_SIZE, + .len = ARRAY_SIZE(bs), + .do_write = false, + .do_nonblock_req = false, + .prepare = MMC_TEST_PREP_NONE, + }; + + return mmc_test_rw_multiple_size(test, &test_data); +} + +/* + * Multiple non-blocking read 4k to 4 MB chunks + */ +static int mmc_test_profile_mult_read_nonblock_perf(struct mmc_test_card *test) +{ + unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, + 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; + struct mmc_test_multiple_rw test_data = { + .bs = bs, + .size = TEST_AREA_MAX_SIZE, + .len = ARRAY_SIZE(bs), + .do_write = false, + .do_nonblock_req = true, + .prepare = MMC_TEST_PREP_NONE, + }; + + return mmc_test_rw_multiple_size(test, &test_data); +} + +/* + * Multiple blocking write 1 to 512 sg elements + */ +static int mmc_test_profile_sglen_wr_blocking_perf(struct mmc_test_card *test) +{ + unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, + 1 << 7, 1 << 8, 1 << 9}; + struct mmc_test_multiple_rw test_data = { + .sg_len = sg_len, + .size = TEST_AREA_MAX_SIZE, + .len = ARRAY_SIZE(sg_len), + .do_write = true, + .do_nonblock_req = false, + .prepare = MMC_TEST_PREP_ERASE, + }; + + return mmc_test_rw_multiple_sg_len(test, &test_data); +}; + +/* + * Multiple non-blocking write 1 to 512 sg elements + */ +static int mmc_test_profile_sglen_wr_nonblock_perf(struct mmc_test_card *test) +{ + unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, + 1 << 7, 1 << 8, 1 << 9}; + struct mmc_test_multiple_rw test_data = { + .sg_len = sg_len, + .size = TEST_AREA_MAX_SIZE, + .len = ARRAY_SIZE(sg_len), + .do_write = true, + .do_nonblock_req = true, + .prepare = MMC_TEST_PREP_ERASE, + }; + + return mmc_test_rw_multiple_sg_len(test, &test_data); +} + +/* + * Multiple blocking read 1 to 512 sg elements + */ +static int mmc_test_profile_sglen_r_blocking_perf(struct mmc_test_card *test) +{ + unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, + 1 << 7, 1 << 8, 1 << 9}; + struct mmc_test_multiple_rw test_data = { + .sg_len = sg_len, + .size = TEST_AREA_MAX_SIZE, + .len = ARRAY_SIZE(sg_len), + .do_write = false, + .do_nonblock_req = false, + .prepare = MMC_TEST_PREP_NONE, + }; + + return mmc_test_rw_multiple_sg_len(test, &test_data); +} + +/* + * Multiple non-blocking read 1 to 512 sg elements + */ +static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test) +{ + unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, + 1 << 7, 1 << 8, 1 << 9}; + struct mmc_test_multiple_rw test_data = { + .sg_len = sg_len, + .size = TEST_AREA_MAX_SIZE, + .len = ARRAY_SIZE(sg_len), + .do_write = false, + .do_nonblock_req = true, + .prepare = MMC_TEST_PREP_NONE, + }; + + return mmc_test_rw_multiple_sg_len(test, &test_data); +} + static const struct mmc_test_case mmc_test_cases[] = { { .name = "Basic write (no data verification)", @@ -2221,6 +2595,61 @@ static const struct mmc_test_case mmc_test_cases[] = { .cleanup = mmc_test_area_cleanup, }, + { + .name = "Write performance with blocking req 4k to 4MB", + .prepare = mmc_test_area_prepare, + .run = mmc_test_profile_mult_write_blocking_perf, + .cleanup = mmc_test_area_cleanup, + }, + + { + .name = "Write performance with non-blocking req 4k to 4MB", + .prepare = mmc_test_area_prepare, + .run = mmc_test_profile_mult_write_nonblock_perf, + .cleanup = mmc_test_area_cleanup, + }, + + { + .name = "Read performance with blocking req 4k to 4MB", + .prepare = mmc_test_area_prepare, + .run = mmc_test_profile_mult_read_blocking_perf, + .cleanup = mmc_test_area_cleanup, + }, + + { + .name = "Read performance with non-blocking req 4k to 4MB", + .prepare = mmc_test_area_prepare, + .run = mmc_test_profile_mult_read_nonblock_perf, + .cleanup = mmc_test_area_cleanup, + }, + + { + .name = "Write performance blocking req 1 to 512 sg elems", + .prepare = mmc_test_area_prepare, + .run = mmc_test_profile_sglen_wr_blocking_perf, + .cleanup = mmc_test_area_cleanup, + }, + + { + .name = "Write performance non-blocking req 1 to 512 sg elems", + .prepare = mmc_test_area_prepare, + .run = mmc_test_profile_sglen_wr_nonblock_perf, + .cleanup = mmc_test_area_cleanup, + }, + + { + .name = "Read performance blocking req 1 to 512 sg elems", + .prepare = mmc_test_area_prepare, + .run = mmc_test_profile_sglen_r_blocking_perf, + .cleanup = mmc_test_area_cleanup, + }, + + { + .name = "Read performance non-blocking req 1 to 512 sg elems", + .prepare = mmc_test_area_prepare, + .run = mmc_test_profile_sglen_r_nonblock_perf, + .cleanup = mmc_test_area_cleanup, + }, }; static DEFINE_MUTEX(mmc_test_lock); @@ -2445,6 +2874,32 @@ static const struct file_operations mmc_test_fops_test = { .release = single_release, }; +static int mtf_testlist_show(struct seq_file *sf, void *data) +{ + int i; + + mutex_lock(&mmc_test_lock); + + for (i = 0; i < ARRAY_SIZE(mmc_test_cases); i++) + seq_printf(sf, "%d:\t%s\n", i+1, mmc_test_cases[i].name); + + mutex_unlock(&mmc_test_lock); + + return 0; +} + +static int mtf_testlist_open(struct inode *inode, struct file *file) +{ + return single_open(file, mtf_testlist_show, inode->i_private); +} + +static const struct file_operations mmc_test_fops_testlist = { + .open = mtf_testlist_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static void mmc_test_free_file_test(struct mmc_card *card) { struct mmc_test_dbgfs_file *df, *dfs; @@ -2476,7 +2931,18 @@ static int mmc_test_register_file_test(struct mmc_card *card) if (IS_ERR_OR_NULL(file)) { dev_err(&card->dev, - "Can't create file. Perhaps debugfs is disabled.\n"); + "Can't create test. Perhaps debugfs is disabled.\n"); + ret = -ENODEV; + goto err; + } + + if (card->debugfs_root) + file = debugfs_create_file("testlist", S_IRUGO, + card->debugfs_root, card, &mmc_test_fops_testlist); + + if (IS_ERR_OR_NULL(file)) { + dev_err(&card->dev, + "Can't create testlist. Perhaps debugfs is disabled.\n"); ret = -ENODEV; goto err; } diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 6413afa318d2..45fb362e3f01 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -52,14 +52,18 @@ static int mmc_queue_thread(void *d) down(&mq->thread_sem); do { struct request *req = NULL; + struct mmc_queue_req *tmp; spin_lock_irq(q->queue_lock); set_current_state(TASK_INTERRUPTIBLE); req = blk_fetch_request(q); - mq->req = req; + mq->mqrq_cur->req = req; spin_unlock_irq(q->queue_lock); - if (!req) { + if (req || mq->mqrq_prev->req) { + set_current_state(TASK_RUNNING); + mq->issue_fn(mq, req); + } else { if (kthread_should_stop()) { set_current_state(TASK_RUNNING); break; @@ -67,11 +71,14 @@ static int mmc_queue_thread(void *d) up(&mq->thread_sem); schedule(); down(&mq->thread_sem); - continue; } - set_current_state(TASK_RUNNING); - mq->issue_fn(mq, req); + /* Current request becomes previous request and vice versa. */ + mq->mqrq_prev->brq.mrq.data = NULL; + mq->mqrq_prev->req = NULL; + tmp = mq->mqrq_prev; + mq->mqrq_prev = mq->mqrq_cur; + mq->mqrq_cur = tmp; } while (1); up(&mq->thread_sem); @@ -97,10 +104,46 @@ static void mmc_request(struct request_queue *q) return; } - if (!mq->req) + if (!mq->mqrq_cur->req && !mq->mqrq_prev->req) wake_up_process(mq->thread); } +struct scatterlist *mmc_alloc_sg(int sg_len, int *err) +{ + struct scatterlist *sg; + + sg = kmalloc(sizeof(struct scatterlist)*sg_len, GFP_KERNEL); + if (!sg) + *err = -ENOMEM; + else { + *err = 0; + sg_init_table(sg, sg_len); + } + + return sg; +} + +static void mmc_queue_setup_discard(struct request_queue *q, + struct mmc_card *card) +{ + unsigned max_discard; + + max_discard = mmc_calc_max_discard(card); + if (!max_discard) + return; + + queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q); + q->limits.max_discard_sectors = max_discard; + if (card->erased_byte == 0) + q->limits.discard_zeroes_data = 1; + q->limits.discard_granularity = card->pref_erase << 9; + /* granularity must not be greater than max. discard */ + if (card->pref_erase > max_discard) + q->limits.discard_granularity = 0; + if (mmc_can_secure_erase_trim(card)) + queue_flag_set_unlocked(QUEUE_FLAG_SECDISCARD, q); +} + /** * mmc_init_queue - initialise a queue structure. * @mq: mmc queue @@ -116,6 +159,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, struct mmc_host *host = card->host; u64 limit = BLK_BOUNCE_HIGH; int ret; + struct mmc_queue_req *mqrq_cur = &mq->mqrq[0]; + struct mmc_queue_req *mqrq_prev = &mq->mqrq[1]; if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask) limit = *mmc_dev(host)->dma_mask; @@ -125,21 +170,16 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, if (!mq->queue) return -ENOMEM; + memset(&mq->mqrq_cur, 0, sizeof(mq->mqrq_cur)); + memset(&mq->mqrq_prev, 0, sizeof(mq->mqrq_prev)); + mq->mqrq_cur = mqrq_cur; + mq->mqrq_prev = mqrq_prev; mq->queue->queuedata = mq; - mq->req = NULL; blk_queue_prep_rq(mq->queue, mmc_prep_request); queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mq->queue); - if (mmc_can_erase(card)) { - queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mq->queue); - mq->queue->limits.max_discard_sectors = UINT_MAX; - if (card->erased_byte == 0) - mq->queue->limits.discard_zeroes_data = 1; - mq->queue->limits.discard_granularity = card->pref_erase << 9; - if (mmc_can_secure_erase_trim(card)) - queue_flag_set_unlocked(QUEUE_FLAG_SECDISCARD, - mq->queue); - } + if (mmc_can_erase(card)) + mmc_queue_setup_discard(mq->queue, card); #ifdef CONFIG_MMC_BLOCK_BOUNCE if (host->max_segs == 1) { @@ -155,53 +195,64 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, bouncesz = host->max_blk_count * 512; if (bouncesz > 512) { - mq->bounce_buf = kmalloc(bouncesz, GFP_KERNEL); - if (!mq->bounce_buf) { + mqrq_cur->bounce_buf = kmalloc(bouncesz, GFP_KERNEL); + if (!mqrq_cur->bounce_buf) { + printk(KERN_WARNING "%s: unable to " + "allocate bounce cur buffer\n", + mmc_card_name(card)); + } + mqrq_prev->bounce_buf = kmalloc(bouncesz, GFP_KERNEL); + if (!mqrq_prev->bounce_buf) { printk(KERN_WARNING "%s: unable to " - "allocate bounce buffer\n", + "allocate bounce prev buffer\n", mmc_card_name(card)); + kfree(mqrq_cur->bounce_buf); + mqrq_cur->bounce_buf = NULL; } } - if (mq->bounce_buf) { + if (mqrq_cur->bounce_buf && mqrq_prev->bounce_buf) { blk_queue_bounce_limit(mq->queue, BLK_BOUNCE_ANY); blk_queue_max_hw_sectors(mq->queue, bouncesz / 512); blk_queue_max_segments(mq->queue, bouncesz / 512); blk_queue_max_segment_size(mq->queue, bouncesz); - mq->sg = kmalloc(sizeof(struct scatterlist), - GFP_KERNEL); - if (!mq->sg) { - ret = -ENOMEM; + mqrq_cur->sg = mmc_alloc_sg(1, &ret); + if (ret) goto cleanup_queue; - } - sg_init_table(mq->sg, 1); - mq->bounce_sg = kmalloc(sizeof(struct scatterlist) * - bouncesz / 512, GFP_KERNEL); - if (!mq->bounce_sg) { - ret = -ENOMEM; + mqrq_cur->bounce_sg = + mmc_alloc_sg(bouncesz / 512, &ret); + if (ret) + goto cleanup_queue; + + mqrq_prev->sg = mmc_alloc_sg(1, &ret); + if (ret) + goto cleanup_queue; + + mqrq_prev->bounce_sg = + mmc_alloc_sg(bouncesz / 512, &ret); + if (ret) goto cleanup_queue; - } - sg_init_table(mq->bounce_sg, bouncesz / 512); } } #endif - if (!mq->bounce_buf) { + if (!mqrq_cur->bounce_buf && !mqrq_prev->bounce_buf) { blk_queue_bounce_limit(mq->queue, limit); blk_queue_max_hw_sectors(mq->queue, min(host->max_blk_count, host->max_req_size / 512)); blk_queue_max_segments(mq->queue, host->max_segs); blk_queue_max_segment_size(mq->queue, host->max_seg_size); - mq->sg = kmalloc(sizeof(struct scatterlist) * - host->max_segs, GFP_KERNEL); - if (!mq->sg) { - ret = -ENOMEM; + mqrq_cur->sg = mmc_alloc_sg(host->max_segs, &ret); + if (ret) + goto cleanup_queue; + + + mqrq_prev->sg = mmc_alloc_sg(host->max_segs, &ret); + if (ret) goto cleanup_queue; - } - sg_init_table(mq->sg, host->max_segs); } sema_init(&mq->thread_sem, 1); @@ -216,16 +267,22 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, return 0; free_bounce_sg: - if (mq->bounce_sg) - kfree(mq->bounce_sg); - mq->bounce_sg = NULL; + kfree(mqrq_cur->bounce_sg); + mqrq_cur->bounce_sg = NULL; + kfree(mqrq_prev->bounce_sg); + mqrq_prev->bounce_sg = NULL; + cleanup_queue: - if (mq->sg) - kfree(mq->sg); - mq->sg = NULL; - if (mq->bounce_buf) - kfree(mq->bounce_buf); - mq->bounce_buf = NULL; + kfree(mqrq_cur->sg); + mqrq_cur->sg = NULL; + kfree(mqrq_cur->bounce_buf); + mqrq_cur->bounce_buf = NULL; + + kfree(mqrq_prev->sg); + mqrq_prev->sg = NULL; + kfree(mqrq_prev->bounce_buf); + mqrq_prev->bounce_buf = NULL; + blk_cleanup_queue(mq->queue); return ret; } @@ -234,6 +291,8 @@ void mmc_cleanup_queue(struct mmc_queue *mq) { struct request_queue *q = mq->queue; unsigned long flags; + struct mmc_queue_req *mqrq_cur = mq->mqrq_cur; + struct mmc_queue_req *mqrq_prev = mq->mqrq_prev; /* Make sure the queue isn't suspended, as that will deadlock */ mmc_queue_resume(mq); @@ -247,16 +306,23 @@ void mmc_cleanup_queue(struct mmc_queue *mq) blk_start_queue(q); spin_unlock_irqrestore(q->queue_lock, flags); - if (mq->bounce_sg) - kfree(mq->bounce_sg); - mq->bounce_sg = NULL; + kfree(mqrq_cur->bounce_sg); + mqrq_cur->bounce_sg = NULL; - kfree(mq->sg); - mq->sg = NULL; + kfree(mqrq_cur->sg); + mqrq_cur->sg = NULL; - if (mq->bounce_buf) - kfree(mq->bounce_buf); - mq->bounce_buf = NULL; + kfree(mqrq_cur->bounce_buf); + mqrq_cur->bounce_buf = NULL; + + kfree(mqrq_prev->bounce_sg); + mqrq_prev->bounce_sg = NULL; + + kfree(mqrq_prev->sg); + mqrq_prev->sg = NULL; + + kfree(mqrq_prev->bounce_buf); + mqrq_prev->bounce_buf = NULL; mq->card = NULL; } @@ -309,27 +375,27 @@ void mmc_queue_resume(struct mmc_queue *mq) /* * Prepare the sg list(s) to be handed of to the host driver */ -unsigned int mmc_queue_map_sg(struct mmc_queue *mq) +unsigned int mmc_queue_map_sg(struct mmc_queue *mq, struct mmc_queue_req *mqrq) { unsigned int sg_len; size_t buflen; struct scatterlist *sg; int i; - if (!mq->bounce_buf) - return blk_rq_map_sg(mq->queue, mq->req, mq->sg); + if (!mqrq->bounce_buf) + return blk_rq_map_sg(mq->queue, mqrq->req, mqrq->sg); - BUG_ON(!mq->bounce_sg); + BUG_ON(!mqrq->bounce_sg); - sg_len = blk_rq_map_sg(mq->queue, mq->req, mq->bounce_sg); + sg_len = blk_rq_map_sg(mq->queue, mqrq->req, mqrq->bounce_sg); - mq->bounce_sg_len = sg_len; + mqrq->bounce_sg_len = sg_len; buflen = 0; - for_each_sg(mq->bounce_sg, sg, sg_len, i) + for_each_sg(mqrq->bounce_sg, sg, sg_len, i) buflen += sg->length; - sg_init_one(mq->sg, mq->bounce_buf, buflen); + sg_init_one(mqrq->sg, mqrq->bounce_buf, buflen); return 1; } @@ -338,31 +404,30 @@ unsigned int mmc_queue_map_sg(struct mmc_queue *mq) * If writing, bounce the data to the buffer before the request * is sent to the host driver */ -void mmc_queue_bounce_pre(struct mmc_queue *mq) +void mmc_queue_bounce_pre(struct mmc_queue_req *mqrq) { - if (!mq->bounce_buf) + if (!mqrq->bounce_buf) return; - if (rq_data_dir(mq->req) != WRITE) + if (rq_data_dir(mqrq->req) != WRITE) return; - sg_copy_to_buffer(mq->bounce_sg, mq->bounce_sg_len, - mq->bounce_buf, mq->sg[0].length); + sg_copy_to_buffer(mqrq->bounce_sg, mqrq->bounce_sg_len, + mqrq->bounce_buf, mqrq->sg[0].length); } /* * If reading, bounce the data from the buffer after the request * has been handled by the host driver */ -void mmc_queue_bounce_post(struct mmc_queue *mq) +void mmc_queue_bounce_post(struct mmc_queue_req *mqrq) { - if (!mq->bounce_buf) + if (!mqrq->bounce_buf) return; - if (rq_data_dir(mq->req) != READ) + if (rq_data_dir(mqrq->req) != READ) return; - sg_copy_from_buffer(mq->bounce_sg, mq->bounce_sg_len, - mq->bounce_buf, mq->sg[0].length); + sg_copy_from_buffer(mqrq->bounce_sg, mqrq->bounce_sg_len, + mqrq->bounce_buf, mqrq->sg[0].length); } - diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h index 6223ef8dc9cd..d2a1eb4b9f9f 100644 --- a/drivers/mmc/card/queue.h +++ b/drivers/mmc/card/queue.h @@ -4,19 +4,35 @@ struct request; struct task_struct; +struct mmc_blk_request { + struct mmc_request mrq; + struct mmc_command sbc; + struct mmc_command cmd; + struct mmc_command stop; + struct mmc_data data; +}; + +struct mmc_queue_req { + struct request *req; + struct mmc_blk_request brq; + struct scatterlist *sg; + char *bounce_buf; + struct scatterlist *bounce_sg; + unsigned int bounce_sg_len; + struct mmc_async_req mmc_active; +}; + struct mmc_queue { struct mmc_card *card; struct task_struct *thread; struct semaphore thread_sem; unsigned int flags; - struct request *req; int (*issue_fn)(struct mmc_queue *, struct request *); void *data; struct request_queue *queue; - struct scatterlist *sg; - char *bounce_buf; - struct scatterlist *bounce_sg; - unsigned int bounce_sg_len; + struct mmc_queue_req mqrq[2]; + struct mmc_queue_req *mqrq_cur; + struct mmc_queue_req *mqrq_prev; }; extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *, @@ -25,8 +41,9 @@ extern void mmc_cleanup_queue(struct mmc_queue *); extern void mmc_queue_suspend(struct mmc_queue *); extern void mmc_queue_resume(struct mmc_queue *); -extern unsigned int mmc_queue_map_sg(struct mmc_queue *); -extern void mmc_queue_bounce_pre(struct mmc_queue *); -extern void mmc_queue_bounce_post(struct mmc_queue *); +extern unsigned int mmc_queue_map_sg(struct mmc_queue *, + struct mmc_queue_req *); +extern void mmc_queue_bounce_pre(struct mmc_queue_req *); +extern void mmc_queue_bounce_post(struct mmc_queue_req *); #endif diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 7843efe22359..f091b43d00c4 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -198,9 +198,109 @@ mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) static void mmc_wait_done(struct mmc_request *mrq) { - complete(mrq->done_data); + complete(&mrq->completion); } +static void __mmc_start_req(struct mmc_host *host, struct mmc_request *mrq) +{ + init_completion(&mrq->completion); + mrq->done = mmc_wait_done; + mmc_start_request(host, mrq); +} + +static void mmc_wait_for_req_done(struct mmc_host *host, + struct mmc_request *mrq) +{ + wait_for_completion(&mrq->completion); +} + +/** + * mmc_pre_req - Prepare for a new request + * @host: MMC host to prepare command + * @mrq: MMC request to prepare for + * @is_first_req: true if there is no previous started request + * that may run in parellel to this call, otherwise false + * + * mmc_pre_req() is called in prior to mmc_start_req() to let + * host prepare for the new request. Preparation of a request may be + * performed while another request is running on the host. + */ +static void mmc_pre_req(struct mmc_host *host, struct mmc_request *mrq, + bool is_first_req) +{ + if (host->ops->pre_req) + host->ops->pre_req(host, mrq, is_first_req); +} + +/** + * mmc_post_req - Post process a completed request + * @host: MMC host to post process command + * @mrq: MMC request to post process for + * @err: Error, if non zero, clean up any resources made in pre_req + * + * Let the host post process a completed request. Post processing of + * a request may be performed while another reuqest is running. + */ +static void mmc_post_req(struct mmc_host *host, struct mmc_request *mrq, + int err) +{ + if (host->ops->post_req) + host->ops->post_req(host, mrq, err); +} + +/** + * mmc_start_req - start a non-blocking request + * @host: MMC host to start command + * @areq: async request to start + * @error: out parameter returns 0 for success, otherwise non zero + * + * Start a new MMC custom command request for a host. + * If there is on ongoing async request wait for completion + * of that request and start the new one and return. + * Does not wait for the new request to complete. + * + * Returns the completed request, NULL in case of none completed. + * Wait for the an ongoing request (previoulsy started) to complete and + * return the completed request. If there is no ongoing request, NULL + * is returned without waiting. NULL is not an error condition. + */ +struct mmc_async_req *mmc_start_req(struct mmc_host *host, + struct mmc_async_req *areq, int *error) +{ + int err = 0; + struct mmc_async_req *data = host->areq; + + /* Prepare a new request */ + if (areq) + mmc_pre_req(host, areq->mrq, !host->areq); + + if (host->areq) { + mmc_wait_for_req_done(host, host->areq->mrq); + err = host->areq->err_check(host->card, host->areq); + if (err) { + mmc_post_req(host, host->areq->mrq, 0); + if (areq) + mmc_post_req(host, areq->mrq, -EINVAL); + + host->areq = NULL; + goto out; + } + } + + if (areq) + __mmc_start_req(host, areq->mrq); + + if (host->areq) + mmc_post_req(host, host->areq->mrq, 0); + + host->areq = areq; + out: + if (error) + *error = err; + return data; +} +EXPORT_SYMBOL(mmc_start_req); + /** * mmc_wait_for_req - start a request and wait for completion * @host: MMC host to start command @@ -212,16 +312,9 @@ static void mmc_wait_done(struct mmc_request *mrq) */ void mmc_wait_for_req(struct mmc_host *host, struct mmc_request *mrq) { - DECLARE_COMPLETION_ONSTACK(complete); - - mrq->done_data = &complete; - mrq->done = mmc_wait_done; - - mmc_start_request(host, mrq); - - wait_for_completion(&complete); + __mmc_start_req(host, mrq); + mmc_wait_for_req_done(host, mrq); } - EXPORT_SYMBOL(mmc_wait_for_req); /** @@ -1516,6 +1609,82 @@ int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from, } EXPORT_SYMBOL(mmc_erase_group_aligned); +static unsigned int mmc_do_calc_max_discard(struct mmc_card *card, + unsigned int arg) +{ + struct mmc_host *host = card->host; + unsigned int max_discard, x, y, qty = 0, max_qty, timeout; + unsigned int last_timeout = 0; + + if (card->erase_shift) + max_qty = UINT_MAX >> card->erase_shift; + else if (mmc_card_sd(card)) + max_qty = UINT_MAX; + else + max_qty = UINT_MAX / card->erase_size; + + /* Find the largest qty with an OK timeout */ + do { + y = 0; + for (x = 1; x && x <= max_qty && max_qty - x >= qty; x <<= 1) { + timeout = mmc_erase_timeout(card, arg, qty + x); + if (timeout > host->max_discard_to) + break; + if (timeout < last_timeout) + break; + last_timeout = timeout; + y = x; + } + qty += y; + } while (y); + + if (!qty) + return 0; + + if (qty == 1) + return 1; + + /* Convert qty to sectors */ + if (card->erase_shift) + max_discard = --qty << card->erase_shift; + else if (mmc_card_sd(card)) + max_discard = qty; + else + max_discard = --qty * card->erase_size; + + return max_discard; +} + +unsigned int mmc_calc_max_discard(struct mmc_card *card) +{ + struct mmc_host *host = card->host; + unsigned int max_discard, max_trim; + + if (!host->max_discard_to) + return UINT_MAX; + + /* + * Without erase_group_def set, MMC erase timeout depends on clock + * frequence which can change. In that case, the best choice is + * just the preferred erase size. + */ + if (mmc_card_mmc(card) && !(card->ext_csd.erase_group_def & 1)) + return card->pref_erase; + + max_discard = mmc_do_calc_max_discard(card, MMC_ERASE_ARG); + if (mmc_can_trim(card)) { + max_trim = mmc_do_calc_max_discard(card, MMC_TRIM_ARG); + if (max_trim < max_discard) + max_discard = max_trim; + } else if (max_discard < card->erase_size) { + max_discard = 0; + } + pr_debug("%s: calculated max. discard sectors %u for timeout %u ms\n", + mmc_hostname(host), max_discard, host->max_discard_to); + return max_discard; +} +EXPORT_SYMBOL(mmc_calc_max_discard); + int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen) { struct mmc_command cmd = {0}; @@ -1663,6 +1832,10 @@ int mmc_power_save_host(struct mmc_host *host) { int ret = 0; +#ifdef CONFIG_MMC_DEBUG + pr_info("%s: %s: powering down\n", mmc_hostname(host), __func__); +#endif + mmc_bus_get(host); if (!host->bus_ops || host->bus_dead || !host->bus_ops->power_restore) { @@ -1685,6 +1858,10 @@ int mmc_power_restore_host(struct mmc_host *host) { int ret; +#ifdef CONFIG_MMC_DEBUG + pr_info("%s: %s: powering up\n", mmc_hostname(host), __func__); +#endif + mmc_bus_get(host); if (!host->bus_ops || host->bus_dead || !host->bus_ops->power_restore) { diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 2a7e43bc796d..aa7d1d79b8c5 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -247,12 +247,12 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd) return 0; /* Version is coded in the CSD_STRUCTURE byte in the EXT_CSD register */ + card->ext_csd.raw_ext_csd_structure = ext_csd[EXT_CSD_STRUCTURE]; if (card->csd.structure == 3) { - int ext_csd_struct = ext_csd[EXT_CSD_STRUCTURE]; - if (ext_csd_struct > 2) { + if (card->ext_csd.raw_ext_csd_structure > 2) { printk(KERN_ERR "%s: unrecognised EXT_CSD structure " "version %d\n", mmc_hostname(card->host), - ext_csd_struct); + card->ext_csd.raw_ext_csd_structure); err = -EINVAL; goto out; } @@ -266,6 +266,10 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd) goto out; } + card->ext_csd.raw_sectors[0] = ext_csd[EXT_CSD_SEC_CNT + 0]; + card->ext_csd.raw_sectors[1] = ext_csd[EXT_CSD_SEC_CNT + 1]; + card->ext_csd.raw_sectors[2] = ext_csd[EXT_CSD_SEC_CNT + 2]; + card->ext_csd.raw_sectors[3] = ext_csd[EXT_CSD_SEC_CNT + 3]; if (card->ext_csd.rev >= 2) { card->ext_csd.sectors = ext_csd[EXT_CSD_SEC_CNT + 0] << 0 | @@ -277,7 +281,7 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd) if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512) mmc_card_set_blockaddr(card); } - + card->ext_csd.raw_card_type = ext_csd[EXT_CSD_CARD_TYPE]; switch (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_MASK) { case EXT_CSD_CARD_TYPE_DDR_52 | EXT_CSD_CARD_TYPE_52 | EXT_CSD_CARD_TYPE_26: @@ -307,6 +311,11 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd) mmc_hostname(card->host)); } + card->ext_csd.raw_s_a_timeout = ext_csd[EXT_CSD_S_A_TIMEOUT]; + card->ext_csd.raw_erase_timeout_mult = + ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT]; + card->ext_csd.raw_hc_erase_grp_size = + ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]; if (card->ext_csd.rev >= 3) { u8 sa_shift = ext_csd[EXT_CSD_S_A_TIMEOUT]; card->ext_csd.part_config = ext_csd[EXT_CSD_PART_CONFIG]; @@ -334,6 +343,16 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd) card->ext_csd.boot_size = ext_csd[EXT_CSD_BOOT_MULT] << 17; } + card->ext_csd.raw_hc_erase_gap_size = + ext_csd[EXT_CSD_PARTITION_ATTRIBUTE]; + card->ext_csd.raw_sec_trim_mult = + ext_csd[EXT_CSD_SEC_TRIM_MULT]; + card->ext_csd.raw_sec_erase_mult = + ext_csd[EXT_CSD_SEC_ERASE_MULT]; + card->ext_csd.raw_sec_feature_support = + ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT]; + card->ext_csd.raw_trim_mult = + ext_csd[EXT_CSD_TRIM_MULT]; if (card->ext_csd.rev >= 4) { /* * Enhanced area feature support -- check whether the eMMC @@ -341,7 +360,7 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd) * area offset and size to user by adding sysfs interface. */ if ((ext_csd[EXT_CSD_PARTITION_SUPPORT] & 0x2) && - (ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) { + (ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) { u8 hc_erase_grp_sz = ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]; u8 hc_wp_grp_sz = @@ -401,17 +420,17 @@ static inline void mmc_free_ext_csd(u8 *ext_csd) } -static int mmc_compare_ext_csds(struct mmc_card *card, u8 *ext_csd, - unsigned bus_width) +static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width) { u8 *bw_ext_csd; int err; + if (bus_width == MMC_BUS_WIDTH_1) + return 0; + err = mmc_get_ext_csd(card, &bw_ext_csd); - if (err) - return err; - if ((ext_csd == NULL || bw_ext_csd == NULL)) { + if (err || bw_ext_csd == NULL) { if (bus_width != MMC_BUS_WIDTH_1) err = -EINVAL; goto out; @@ -421,35 +440,40 @@ static int mmc_compare_ext_csds(struct mmc_card *card, u8 *ext_csd, goto out; /* only compare read only fields */ - err = (!(ext_csd[EXT_CSD_PARTITION_SUPPORT] == + err = (!(card->ext_csd.raw_partition_support == bw_ext_csd[EXT_CSD_PARTITION_SUPPORT]) && - (ext_csd[EXT_CSD_ERASED_MEM_CONT] == + (card->ext_csd.raw_erased_mem_count == bw_ext_csd[EXT_CSD_ERASED_MEM_CONT]) && - (ext_csd[EXT_CSD_REV] == + (card->ext_csd.rev == bw_ext_csd[EXT_CSD_REV]) && - (ext_csd[EXT_CSD_STRUCTURE] == + (card->ext_csd.raw_ext_csd_structure == bw_ext_csd[EXT_CSD_STRUCTURE]) && - (ext_csd[EXT_CSD_CARD_TYPE] == + (card->ext_csd.raw_card_type == bw_ext_csd[EXT_CSD_CARD_TYPE]) && - (ext_csd[EXT_CSD_S_A_TIMEOUT] == + (card->ext_csd.raw_s_a_timeout == bw_ext_csd[EXT_CSD_S_A_TIMEOUT]) && - (ext_csd[EXT_CSD_HC_WP_GRP_SIZE] == + (card->ext_csd.raw_hc_erase_gap_size == bw_ext_csd[EXT_CSD_HC_WP_GRP_SIZE]) && - (ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT] == + (card->ext_csd.raw_erase_timeout_mult == bw_ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT]) && - (ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] == + (card->ext_csd.raw_hc_erase_grp_size == bw_ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]) && - (ext_csd[EXT_CSD_SEC_TRIM_MULT] == + (card->ext_csd.raw_sec_trim_mult == bw_ext_csd[EXT_CSD_SEC_TRIM_MULT]) && - (ext_csd[EXT_CSD_SEC_ERASE_MULT] == + (card->ext_csd.raw_sec_erase_mult == bw_ext_csd[EXT_CSD_SEC_ERASE_MULT]) && - (ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT] == + (card->ext_csd.raw_sec_feature_support == bw_ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT]) && - (ext_csd[EXT_CSD_TRIM_MULT] == + (card->ext_csd.raw_trim_mult == bw_ext_csd[EXT_CSD_TRIM_MULT]) && - memcmp(&ext_csd[EXT_CSD_SEC_CNT], - &bw_ext_csd[EXT_CSD_SEC_CNT], - 4) != 0); + (card->ext_csd.raw_sectors[0] == + bw_ext_csd[EXT_CSD_SEC_CNT + 0]) && + (card->ext_csd.raw_sectors[1] == + bw_ext_csd[EXT_CSD_SEC_CNT + 1]) && + (card->ext_csd.raw_sectors[2] == + bw_ext_csd[EXT_CSD_SEC_CNT + 2]) && + (card->ext_csd.raw_sectors[3] == + bw_ext_csd[EXT_CSD_SEC_CNT + 3])); if (err) err = -EINVAL; @@ -770,7 +794,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, */ if (!(host->caps & MMC_CAP_BUS_WIDTH_TEST)) err = mmc_compare_ext_csds(card, - ext_csd, bus_width); else err = mmc_bus_test(card, bus_width); diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index ff2774128aa9..633975ff2bb3 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -409,52 +409,62 @@ out: static int sd_select_driver_type(struct mmc_card *card, u8 *status) { - int host_drv_type = 0, card_drv_type = 0; + int host_drv_type = SD_DRIVER_TYPE_B; + int card_drv_type = SD_DRIVER_TYPE_B; + int drive_strength; int err; /* * If the host doesn't support any of the Driver Types A,C or D, - * default Driver Type B is used. + * or there is no board specific handler then default Driver + * Type B is used. */ if (!(card->host->caps & (MMC_CAP_DRIVER_TYPE_A | MMC_CAP_DRIVER_TYPE_C | MMC_CAP_DRIVER_TYPE_D))) return 0; - if (card->host->caps & MMC_CAP_DRIVER_TYPE_A) { - host_drv_type = MMC_SET_DRIVER_TYPE_A; - if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_A) - card_drv_type = MMC_SET_DRIVER_TYPE_A; - else if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_B) - card_drv_type = MMC_SET_DRIVER_TYPE_B; - else if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_C) - card_drv_type = MMC_SET_DRIVER_TYPE_C; - } else if (card->host->caps & MMC_CAP_DRIVER_TYPE_C) { - host_drv_type = MMC_SET_DRIVER_TYPE_C; - if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_C) - card_drv_type = MMC_SET_DRIVER_TYPE_C; - } else if (!(card->host->caps & MMC_CAP_DRIVER_TYPE_D)) { - /* - * If we are here, that means only the default driver type - * B is supported by the host. - */ - host_drv_type = MMC_SET_DRIVER_TYPE_B; - if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_B) - card_drv_type = MMC_SET_DRIVER_TYPE_B; - else if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_C) - card_drv_type = MMC_SET_DRIVER_TYPE_C; - } + if (!card->host->ops->select_drive_strength) + return 0; + + if (card->host->caps & MMC_CAP_DRIVER_TYPE_A) + host_drv_type |= SD_DRIVER_TYPE_A; + + if (card->host->caps & MMC_CAP_DRIVER_TYPE_C) + host_drv_type |= SD_DRIVER_TYPE_C; + + if (card->host->caps & MMC_CAP_DRIVER_TYPE_D) + host_drv_type |= SD_DRIVER_TYPE_D; + + if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_A) + card_drv_type |= SD_DRIVER_TYPE_A; + + if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_C) + card_drv_type |= SD_DRIVER_TYPE_C; + + if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_D) + card_drv_type |= SD_DRIVER_TYPE_D; + + /* + * The drive strength that the hardware can support + * depends on the board design. Pass the appropriate + * information and let the hardware specific code + * return what is possible given the options + */ + drive_strength = card->host->ops->select_drive_strength( + card->sw_caps.uhs_max_dtr, + host_drv_type, card_drv_type); - err = mmc_sd_switch(card, 1, 2, card_drv_type, status); + err = mmc_sd_switch(card, 1, 2, drive_strength, status); if (err) return err; - if ((status[15] & 0xF) != card_drv_type) { - printk(KERN_WARNING "%s: Problem setting driver strength!\n", + if ((status[15] & 0xF) != drive_strength) { + printk(KERN_WARNING "%s: Problem setting drive strength!\n", mmc_hostname(card->host)); return 0; } - mmc_set_driver_type(card->host, host_drv_type); + mmc_set_driver_type(card->host, drive_strength); return 0; } diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c index d2565df8a7fb..e4e6822d09e3 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -167,11 +167,8 @@ static int sdio_bus_remove(struct device *dev) int ret = 0; /* Make sure card is powered before invoking ->remove() */ - if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD) { - ret = pm_runtime_get_sync(dev); - if (ret < 0) - goto out; - } + if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD) + pm_runtime_get_sync(dev); drv->remove(func); @@ -191,7 +188,6 @@ static int sdio_bus_remove(struct device *dev) if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD) pm_runtime_put_sync(dev); -out: return ret; } diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 56dbf3f6ad08..8c87096531e9 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -81,28 +81,32 @@ config MMC_RICOH_MMC If unsure, say Y. -config MMC_SDHCI_OF - tristate "SDHCI support on OpenFirmware platforms" - depends on MMC_SDHCI && OF +config MMC_SDHCI_PLTFM + tristate "SDHCI platform and OF driver helper" + depends on MMC_SDHCI help - This selects the OF support for Secure Digital Host Controller - Interfaces. + This selects the common helper functions support for Secure Digital + Host Controller Interface based platform and OF drivers. + + If you have a controller with this interface, say Y or M here. If unsure, say N. config MMC_SDHCI_OF_ESDHC - bool "SDHCI OF support for the Freescale eSDHC controller" - depends on MMC_SDHCI_OF + tristate "SDHCI OF support for the Freescale eSDHC controller" + depends on MMC_SDHCI_PLTFM depends on PPC_OF select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER help This selects the Freescale eSDHC controller support. + If you have a controller with this interface, say Y or M here. + If unsure, say N. config MMC_SDHCI_OF_HLWD - bool "SDHCI OF support for the Nintendo Wii SDHCI controllers" - depends on MMC_SDHCI_OF + tristate "SDHCI OF support for the Nintendo Wii SDHCI controllers" + depends on MMC_SDHCI_PLTFM depends on PPC_OF select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER help @@ -110,40 +114,36 @@ config MMC_SDHCI_OF_HLWD found in the "Hollywood" chipset of the Nintendo Wii video game console. - If unsure, say N. - -config MMC_SDHCI_PLTFM - tristate "SDHCI support on the platform specific bus" - depends on MMC_SDHCI - help - This selects the platform specific bus support for Secure Digital Host - Controller Interface. - If you have a controller with this interface, say Y or M here. If unsure, say N. config MMC_SDHCI_CNS3XXX - bool "SDHCI support on the Cavium Networks CNS3xxx SoC" + tristate "SDHCI support on the Cavium Networks CNS3xxx SoC" depends on ARCH_CNS3XXX depends on MMC_SDHCI_PLTFM help This selects the SDHCI support for CNS3xxx System-on-Chip devices. + If you have a controller with this interface, say Y or M here. + If unsure, say N. config MMC_SDHCI_ESDHC_IMX - bool "SDHCI platform support for the Freescale eSDHC i.MX controller" - depends on MMC_SDHCI_PLTFM && (ARCH_MX25 || ARCH_MX35 || ARCH_MX5) + tristate "SDHCI platform support for the Freescale eSDHC i.MX controller" + depends on ARCH_MX25 || ARCH_MX35 || ARCH_MX5 + depends on MMC_SDHCI_PLTFM select MMC_SDHCI_IO_ACCESSORS help This selects the Freescale eSDHC controller support on the platform bus, found on platforms like mx35/51. + If you have a controller with this interface, say Y or M here. + If unsure, say N. config MMC_SDHCI_DOVE - bool "SDHCI support on Marvell's Dove SoC" + tristate "SDHCI support on Marvell's Dove SoC" depends on ARCH_DOVE depends on MMC_SDHCI_PLTFM select MMC_SDHCI_IO_ACCESSORS @@ -151,11 +151,14 @@ config MMC_SDHCI_DOVE This selects the Secure Digital Host Controller Interface in Marvell's Dove SoC. + If you have a controller with this interface, say Y or M here. + If unsure, say N. config MMC_SDHCI_TEGRA - bool "SDHCI platform support for the Tegra SD/MMC Controller" - depends on MMC_SDHCI_PLTFM && ARCH_TEGRA + tristate "SDHCI platform support for the Tegra SD/MMC Controller" + depends on ARCH_TEGRA + depends on MMC_SDHCI_PLTFM select MMC_SDHCI_IO_ACCESSORS help This selects the Tegra SD/MMC controller. If you have a Tegra @@ -178,14 +181,28 @@ config MMC_SDHCI_S3C If unsure, say N. -config MMC_SDHCI_PXA - tristate "Marvell PXA168/PXA910/MMP2 SD Host Controller support" - depends on ARCH_PXA || ARCH_MMP +config MMC_SDHCI_PXAV3 + tristate "Marvell MMP2 SD Host Controller support (PXAV3)" + depends on CLKDEV_LOOKUP select MMC_SDHCI - select MMC_SDHCI_IO_ACCESSORS + select MMC_SDHCI_PLTFM + default CPU_MMP2 + help + This selects the Marvell(R) PXAV3 SD Host Controller. + If you have a MMP2 platform with SD Host Controller + and a card slot, say Y or M here. + + If unsure, say N. + +config MMC_SDHCI_PXAV2 + tristate "Marvell PXA9XX SD Host Controller support (PXAV2)" + depends on CLKDEV_LOOKUP + select MMC_SDHCI + select MMC_SDHCI_PLTFM + default CPU_PXA910 help - This selects the Marvell(R) PXA168/PXA910/MMP2 SD Host Controller. - If you have a PXA168/PXA910/MMP2 platform with SD Host Controller + This selects the Marvell(R) PXAV2 SD Host Controller. + If you have a PXA9XX platform with SD Host Controller and a card slot, say Y or M here. If unsure, say N. @@ -281,13 +298,12 @@ config MMC_ATMELMCI endchoice config MMC_ATMELMCI_DMA - bool "Atmel MCI DMA support (EXPERIMENTAL)" - depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE && EXPERIMENTAL + bool "Atmel MCI DMA support" + depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE help Say Y here to have the Atmel MCI driver use a DMA engine to do data transfers and thus increase the throughput and - reduce the CPU utilization. Note that this is highly - experimental and may cause the driver to lock up. + reduce the CPU utilization. If unsure, say N. diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index 58a5cf73d6e9..b4b83f302e32 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -9,7 +9,8 @@ obj-$(CONFIG_MMC_MXC) += mxcmmc.o obj-$(CONFIG_MMC_MXS) += mxs-mmc.o obj-$(CONFIG_MMC_SDHCI) += sdhci.o obj-$(CONFIG_MMC_SDHCI_PCI) += sdhci-pci.o -obj-$(CONFIG_MMC_SDHCI_PXA) += sdhci-pxa.o +obj-$(CONFIG_MMC_SDHCI_PXAV3) += sdhci-pxav3.o +obj-$(CONFIG_MMC_SDHCI_PXAV2) += sdhci-pxav2.o obj-$(CONFIG_MMC_SDHCI_S3C) += sdhci-s3c.o obj-$(CONFIG_MMC_SDHCI_SPEAR) += sdhci-spear.o obj-$(CONFIG_MMC_WBSD) += wbsd.o @@ -31,9 +32,7 @@ obj-$(CONFIG_MMC_SDRICOH_CS) += sdricoh_cs.o obj-$(CONFIG_MMC_TMIO) += tmio_mmc.o obj-$(CONFIG_MMC_TMIO_CORE) += tmio_mmc_core.o tmio_mmc_core-y := tmio_mmc_pio.o -ifneq ($(CONFIG_MMC_SDHI),n) -tmio_mmc_core-y += tmio_mmc_dma.o -endif +tmio_mmc_core-$(subst m,y,$(CONFIG_MMC_SDHI)) += tmio_mmc_dma.o obj-$(CONFIG_MMC_SDHI) += sh_mobile_sdhi.o obj-$(CONFIG_MMC_CB710) += cb710-mmc.o obj-$(CONFIG_MMC_VIA_SDMMC) += via-sdmmc.o @@ -44,17 +43,13 @@ obj-$(CONFIG_MMC_JZ4740) += jz4740_mmc.o obj-$(CONFIG_MMC_VUB300) += vub300.o obj-$(CONFIG_MMC_USHC) += ushc.o -obj-$(CONFIG_MMC_SDHCI_PLTFM) += sdhci-platform.o -sdhci-platform-y := sdhci-pltfm.o -sdhci-platform-$(CONFIG_MMC_SDHCI_CNS3XXX) += sdhci-cns3xxx.o -sdhci-platform-$(CONFIG_MMC_SDHCI_ESDHC_IMX) += sdhci-esdhc-imx.o -sdhci-platform-$(CONFIG_MMC_SDHCI_DOVE) += sdhci-dove.o -sdhci-platform-$(CONFIG_MMC_SDHCI_TEGRA) += sdhci-tegra.o - -obj-$(CONFIG_MMC_SDHCI_OF) += sdhci-of.o -sdhci-of-y := sdhci-of-core.o -sdhci-of-$(CONFIG_MMC_SDHCI_OF_ESDHC) += sdhci-of-esdhc.o -sdhci-of-$(CONFIG_MMC_SDHCI_OF_HLWD) += sdhci-of-hlwd.o +obj-$(CONFIG_MMC_SDHCI_PLTFM) += sdhci-pltfm.o +obj-$(CONFIG_MMC_SDHCI_CNS3XXX) += sdhci-cns3xxx.o +obj-$(CONFIG_MMC_SDHCI_ESDHC_IMX) += sdhci-esdhc-imx.o +obj-$(CONFIG_MMC_SDHCI_DOVE) += sdhci-dove.o +obj-$(CONFIG_MMC_SDHCI_TEGRA) += sdhci-tegra.o +obj-$(CONFIG_MMC_SDHCI_OF_ESDHC) += sdhci-of-esdhc.o +obj-$(CONFIG_MMC_SDHCI_OF_HLWD) += sdhci-of-hlwd.o ifeq ($(CONFIG_CB710_DEBUG),y) CFLAGS-cb710-mmc += -DDEBUG diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c index d3e6a962f423..a4aa3af86fed 100644 --- a/drivers/mmc/host/at91_mci.c +++ b/drivers/mmc/host/at91_mci.c @@ -77,7 +77,8 @@ #include <mach/board.h> #include <mach/cpu.h> -#include <mach/at91_mci.h> + +#include "at91_mci.h" #define DRIVER_NAME "at91_mci" diff --git a/arch/arm/mach-at91/include/mach/at91_mci.h b/drivers/mmc/host/at91_mci.h index 02182c16a022..eec3a6b1c2bc 100644 --- a/arch/arm/mach-at91/include/mach/at91_mci.h +++ b/drivers/mmc/host/at91_mci.h @@ -1,5 +1,5 @@ /* - * arch/arm/mach-at91/include/mach/at91_mci.h + * drivers/mmc/host/at91_mci.h * * Copyright (C) 2005 Ivan Kokshaysky * Copyright (C) SAN People diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index aa8039f473c4..fa8cae1d7005 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -203,6 +203,7 @@ struct atmel_mci_slot { #define ATMCI_CARD_PRESENT 0 #define ATMCI_CARD_NEED_INIT 1 #define ATMCI_SHUTDOWN 2 +#define ATMCI_SUSPENDED 3 int detect_pin; int wp_pin; @@ -1878,10 +1879,72 @@ static int __exit atmci_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int atmci_suspend(struct device *dev) +{ + struct atmel_mci *host = dev_get_drvdata(dev); + int i; + + for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { + struct atmel_mci_slot *slot = host->slot[i]; + int ret; + + if (!slot) + continue; + ret = mmc_suspend_host(slot->mmc); + if (ret < 0) { + while (--i >= 0) { + slot = host->slot[i]; + if (slot + && test_bit(ATMCI_SUSPENDED, &slot->flags)) { + mmc_resume_host(host->slot[i]->mmc); + clear_bit(ATMCI_SUSPENDED, &slot->flags); + } + } + return ret; + } else { + set_bit(ATMCI_SUSPENDED, &slot->flags); + } + } + + return 0; +} + +static int atmci_resume(struct device *dev) +{ + struct atmel_mci *host = dev_get_drvdata(dev); + int i; + int ret = 0; + + for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { + struct atmel_mci_slot *slot = host->slot[i]; + int err; + + slot = host->slot[i]; + if (!slot) + continue; + if (!test_bit(ATMCI_SUSPENDED, &slot->flags)) + continue; + err = mmc_resume_host(slot->mmc); + if (err < 0) + ret = err; + else + clear_bit(ATMCI_SUSPENDED, &slot->flags); + } + + return ret; +} +static SIMPLE_DEV_PM_OPS(atmci_pm, atmci_suspend, atmci_resume); +#define ATMCI_PM_OPS (&atmci_pm) +#else +#define ATMCI_PM_OPS NULL +#endif + static struct platform_driver atmci_driver = { .remove = __exit_p(atmci_remove), .driver = { .name = "atmel_mci", + .pm = ATMCI_PM_OPS, }, }; diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 66dcddb9c205..0c839d3338db 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -33,6 +33,7 @@ #include <linux/mmc/dw_mmc.h> #include <linux/bitops.h> #include <linux/regulator/consumer.h> +#include <linux/workqueue.h> #include "dw_mmc.h" @@ -100,6 +101,8 @@ struct dw_mci_slot { int last_detect_state; }; +static struct workqueue_struct *dw_mci_card_workqueue; + #if defined(CONFIG_DEBUG_FS) static int dw_mci_req_show(struct seq_file *s, void *v) { @@ -284,7 +287,7 @@ static void send_stop_cmd(struct dw_mci *host, struct mmc_data *data) /* DMA interface functions */ static void dw_mci_stop_dma(struct dw_mci *host) { - if (host->use_dma) { + if (host->using_dma) { host->dma_ops->stop(host); host->dma_ops->cleanup(host); } else { @@ -432,6 +435,8 @@ static int dw_mci_submit_data_dma(struct dw_mci *host, struct mmc_data *data) unsigned int i, direction, sg_len; u32 temp; + host->using_dma = 0; + /* If we don't have a channel, we can't do DMA */ if (!host->use_dma) return -ENODEV; @@ -451,6 +456,8 @@ static int dw_mci_submit_data_dma(struct dw_mci *host, struct mmc_data *data) return -EINVAL; } + host->using_dma = 1; + if (data->flags & MMC_DATA_READ) direction = DMA_FROM_DEVICE; else @@ -489,14 +496,18 @@ static void dw_mci_submit_data(struct dw_mci *host, struct mmc_data *data) host->sg = NULL; host->data = data; + if (data->flags & MMC_DATA_READ) + host->dir_status = DW_MCI_RECV_STATUS; + else + host->dir_status = DW_MCI_SEND_STATUS; + if (dw_mci_submit_data_dma(host, data)) { host->sg = data->sg; host->pio_offset = 0; - if (data->flags & MMC_DATA_READ) - host->dir_status = DW_MCI_RECV_STATUS; - else - host->dir_status = DW_MCI_SEND_STATUS; + host->part_buf_start = 0; + host->part_buf_count = 0; + mci_writel(host, RINTSTS, SDMMC_INT_TXDR | SDMMC_INT_RXDR); temp = mci_readl(host, INTMASK); temp |= SDMMC_INT_TXDR | SDMMC_INT_RXDR; mci_writel(host, INTMASK, temp); @@ -574,7 +585,7 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot) } /* Set the current slot bus width */ - mci_writel(host, CTYPE, slot->ctype); + mci_writel(host, CTYPE, (slot->ctype << slot->id)); } static void dw_mci_start_request(struct dw_mci *host, @@ -624,13 +635,13 @@ static void dw_mci_start_request(struct dw_mci *host, host->stop_cmdr = dw_mci_prepare_command(slot->mmc, mrq->stop); } +/* must be called with host->lock held */ static void dw_mci_queue_request(struct dw_mci *host, struct dw_mci_slot *slot, struct mmc_request *mrq) { dev_vdbg(&slot->mmc->class_dev, "queue request: state=%d\n", host->state); - spin_lock_bh(&host->lock); slot->mrq = mrq; if (host->state == STATE_IDLE) { @@ -639,8 +650,6 @@ static void dw_mci_queue_request(struct dw_mci *host, struct dw_mci_slot *slot, } else { list_add_tail(&slot->queue_node, &host->queue); } - - spin_unlock_bh(&host->lock); } static void dw_mci_request(struct mmc_host *mmc, struct mmc_request *mrq) @@ -650,14 +659,23 @@ static void dw_mci_request(struct mmc_host *mmc, struct mmc_request *mrq) WARN_ON(slot->mrq); + /* + * The check for card presence and queueing of the request must be + * atomic, otherwise the card could be removed in between and the + * request wouldn't fail until another card was inserted. + */ + spin_lock_bh(&host->lock); + if (!test_bit(DW_MMC_CARD_PRESENT, &slot->flags)) { + spin_unlock_bh(&host->lock); mrq->cmd->error = -ENOMEDIUM; mmc_request_done(mmc, mrq); return; } - /* We don't support multiple blocks of weird lengths. */ dw_mci_queue_request(host, slot, mrq); + + spin_unlock_bh(&host->lock); } static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) @@ -831,7 +849,7 @@ static void dw_mci_tasklet_func(unsigned long priv) struct mmc_command *cmd; enum dw_mci_state state; enum dw_mci_state prev_state; - u32 status; + u32 status, ctrl; spin_lock(&host->lock); @@ -891,13 +909,19 @@ static void dw_mci_tasklet_func(unsigned long priv) if (status & DW_MCI_DATA_ERROR_FLAGS) { if (status & SDMMC_INT_DTO) { - dev_err(&host->pdev->dev, - "data timeout error\n"); data->error = -ETIMEDOUT; } else if (status & SDMMC_INT_DCRC) { - dev_err(&host->pdev->dev, - "data CRC error\n"); data->error = -EILSEQ; + } else if (status & SDMMC_INT_EBE && + host->dir_status == + DW_MCI_SEND_STATUS) { + /* + * No data CRC status was returned. + * The number of bytes transferred will + * be exaggerated in PIO mode. + */ + data->bytes_xfered = 0; + data->error = -ETIMEDOUT; } else { dev_err(&host->pdev->dev, "data FIFO error " @@ -905,6 +929,16 @@ static void dw_mci_tasklet_func(unsigned long priv) status); data->error = -EIO; } + /* + * After an error, there may be data lingering + * in the FIFO, so reset it - doing so + * generates a block interrupt, hence setting + * the scatter-gather pointer to NULL. + */ + host->sg = NULL; + ctrl = mci_readl(host, CTRL); + ctrl |= SDMMC_CTRL_FIFO_RESET; + mci_writel(host, CTRL, ctrl); } else { data->bytes_xfered = data->blocks * data->blksz; data->error = 0; @@ -946,84 +980,278 @@ unlock: } -static void dw_mci_push_data16(struct dw_mci *host, void *buf, int cnt) +/* push final bytes to part_buf, only use during push */ +static void dw_mci_set_part_bytes(struct dw_mci *host, void *buf, int cnt) { - u16 *pdata = (u16 *)buf; + memcpy((void *)&host->part_buf, buf, cnt); + host->part_buf_count = cnt; +} - WARN_ON(cnt % 2 != 0); +/* append bytes to part_buf, only use during push */ +static int dw_mci_push_part_bytes(struct dw_mci *host, void *buf, int cnt) +{ + cnt = min(cnt, (1 << host->data_shift) - host->part_buf_count); + memcpy((void *)&host->part_buf + host->part_buf_count, buf, cnt); + host->part_buf_count += cnt; + return cnt; +} - cnt = cnt >> 1; - while (cnt > 0) { - mci_writew(host, DATA, *pdata++); - cnt--; +/* pull first bytes from part_buf, only use during pull */ +static int dw_mci_pull_part_bytes(struct dw_mci *host, void *buf, int cnt) +{ + cnt = min(cnt, (int)host->part_buf_count); + if (cnt) { + memcpy(buf, (void *)&host->part_buf + host->part_buf_start, + cnt); + host->part_buf_count -= cnt; + host->part_buf_start += cnt; } + return cnt; } -static void dw_mci_pull_data16(struct dw_mci *host, void *buf, int cnt) +/* pull final bytes from the part_buf, assuming it's just been filled */ +static void dw_mci_pull_final_bytes(struct dw_mci *host, void *buf, int cnt) { - u16 *pdata = (u16 *)buf; + memcpy(buf, &host->part_buf, cnt); + host->part_buf_start = cnt; + host->part_buf_count = (1 << host->data_shift) - cnt; +} - WARN_ON(cnt % 2 != 0); +static void dw_mci_push_data16(struct dw_mci *host, void *buf, int cnt) +{ + /* try and push anything in the part_buf */ + if (unlikely(host->part_buf_count)) { + int len = dw_mci_push_part_bytes(host, buf, cnt); + buf += len; + cnt -= len; + if (!sg_next(host->sg) || host->part_buf_count == 2) { + mci_writew(host, DATA, host->part_buf16); + host->part_buf_count = 0; + } + } +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + if (unlikely((unsigned long)buf & 0x1)) { + while (cnt >= 2) { + u16 aligned_buf[64]; + int len = min(cnt & -2, (int)sizeof(aligned_buf)); + int items = len >> 1; + int i; + /* memcpy from input buffer into aligned buffer */ + memcpy(aligned_buf, buf, len); + buf += len; + cnt -= len; + /* push data from aligned buffer into fifo */ + for (i = 0; i < items; ++i) + mci_writew(host, DATA, aligned_buf[i]); + } + } else +#endif + { + u16 *pdata = buf; + for (; cnt >= 2; cnt -= 2) + mci_writew(host, DATA, *pdata++); + buf = pdata; + } + /* put anything remaining in the part_buf */ + if (cnt) { + dw_mci_set_part_bytes(host, buf, cnt); + if (!sg_next(host->sg)) + mci_writew(host, DATA, host->part_buf16); + } +} - cnt = cnt >> 1; - while (cnt > 0) { - *pdata++ = mci_readw(host, DATA); - cnt--; +static void dw_mci_pull_data16(struct dw_mci *host, void *buf, int cnt) +{ +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + if (unlikely((unsigned long)buf & 0x1)) { + while (cnt >= 2) { + /* pull data from fifo into aligned buffer */ + u16 aligned_buf[64]; + int len = min(cnt & -2, (int)sizeof(aligned_buf)); + int items = len >> 1; + int i; + for (i = 0; i < items; ++i) + aligned_buf[i] = mci_readw(host, DATA); + /* memcpy from aligned buffer into output buffer */ + memcpy(buf, aligned_buf, len); + buf += len; + cnt -= len; + } + } else +#endif + { + u16 *pdata = buf; + for (; cnt >= 2; cnt -= 2) + *pdata++ = mci_readw(host, DATA); + buf = pdata; + } + if (cnt) { + host->part_buf16 = mci_readw(host, DATA); + dw_mci_pull_final_bytes(host, buf, cnt); } } static void dw_mci_push_data32(struct dw_mci *host, void *buf, int cnt) { - u32 *pdata = (u32 *)buf; - - WARN_ON(cnt % 4 != 0); - WARN_ON((unsigned long)pdata & 0x3); - - cnt = cnt >> 2; - while (cnt > 0) { - mci_writel(host, DATA, *pdata++); - cnt--; + /* try and push anything in the part_buf */ + if (unlikely(host->part_buf_count)) { + int len = dw_mci_push_part_bytes(host, buf, cnt); + buf += len; + cnt -= len; + if (!sg_next(host->sg) || host->part_buf_count == 4) { + mci_writel(host, DATA, host->part_buf32); + host->part_buf_count = 0; + } + } +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + if (unlikely((unsigned long)buf & 0x3)) { + while (cnt >= 4) { + u32 aligned_buf[32]; + int len = min(cnt & -4, (int)sizeof(aligned_buf)); + int items = len >> 2; + int i; + /* memcpy from input buffer into aligned buffer */ + memcpy(aligned_buf, buf, len); + buf += len; + cnt -= len; + /* push data from aligned buffer into fifo */ + for (i = 0; i < items; ++i) + mci_writel(host, DATA, aligned_buf[i]); + } + } else +#endif + { + u32 *pdata = buf; + for (; cnt >= 4; cnt -= 4) + mci_writel(host, DATA, *pdata++); + buf = pdata; + } + /* put anything remaining in the part_buf */ + if (cnt) { + dw_mci_set_part_bytes(host, buf, cnt); + if (!sg_next(host->sg)) + mci_writel(host, DATA, host->part_buf32); } } static void dw_mci_pull_data32(struct dw_mci *host, void *buf, int cnt) { - u32 *pdata = (u32 *)buf; - - WARN_ON(cnt % 4 != 0); - WARN_ON((unsigned long)pdata & 0x3); - - cnt = cnt >> 2; - while (cnt > 0) { - *pdata++ = mci_readl(host, DATA); - cnt--; +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + if (unlikely((unsigned long)buf & 0x3)) { + while (cnt >= 4) { + /* pull data from fifo into aligned buffer */ + u32 aligned_buf[32]; + int len = min(cnt & -4, (int)sizeof(aligned_buf)); + int items = len >> 2; + int i; + for (i = 0; i < items; ++i) + aligned_buf[i] = mci_readl(host, DATA); + /* memcpy from aligned buffer into output buffer */ + memcpy(buf, aligned_buf, len); + buf += len; + cnt -= len; + } + } else +#endif + { + u32 *pdata = buf; + for (; cnt >= 4; cnt -= 4) + *pdata++ = mci_readl(host, DATA); + buf = pdata; + } + if (cnt) { + host->part_buf32 = mci_readl(host, DATA); + dw_mci_pull_final_bytes(host, buf, cnt); } } static void dw_mci_push_data64(struct dw_mci *host, void *buf, int cnt) { - u64 *pdata = (u64 *)buf; - - WARN_ON(cnt % 8 != 0); - - cnt = cnt >> 3; - while (cnt > 0) { - mci_writeq(host, DATA, *pdata++); - cnt--; + /* try and push anything in the part_buf */ + if (unlikely(host->part_buf_count)) { + int len = dw_mci_push_part_bytes(host, buf, cnt); + buf += len; + cnt -= len; + if (!sg_next(host->sg) || host->part_buf_count == 8) { + mci_writew(host, DATA, host->part_buf); + host->part_buf_count = 0; + } + } +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + if (unlikely((unsigned long)buf & 0x7)) { + while (cnt >= 8) { + u64 aligned_buf[16]; + int len = min(cnt & -8, (int)sizeof(aligned_buf)); + int items = len >> 3; + int i; + /* memcpy from input buffer into aligned buffer */ + memcpy(aligned_buf, buf, len); + buf += len; + cnt -= len; + /* push data from aligned buffer into fifo */ + for (i = 0; i < items; ++i) + mci_writeq(host, DATA, aligned_buf[i]); + } + } else +#endif + { + u64 *pdata = buf; + for (; cnt >= 8; cnt -= 8) + mci_writeq(host, DATA, *pdata++); + buf = pdata; + } + /* put anything remaining in the part_buf */ + if (cnt) { + dw_mci_set_part_bytes(host, buf, cnt); + if (!sg_next(host->sg)) + mci_writeq(host, DATA, host->part_buf); } } static void dw_mci_pull_data64(struct dw_mci *host, void *buf, int cnt) { - u64 *pdata = (u64 *)buf; +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + if (unlikely((unsigned long)buf & 0x7)) { + while (cnt >= 8) { + /* pull data from fifo into aligned buffer */ + u64 aligned_buf[16]; + int len = min(cnt & -8, (int)sizeof(aligned_buf)); + int items = len >> 3; + int i; + for (i = 0; i < items; ++i) + aligned_buf[i] = mci_readq(host, DATA); + /* memcpy from aligned buffer into output buffer */ + memcpy(buf, aligned_buf, len); + buf += len; + cnt -= len; + } + } else +#endif + { + u64 *pdata = buf; + for (; cnt >= 8; cnt -= 8) + *pdata++ = mci_readq(host, DATA); + buf = pdata; + } + if (cnt) { + host->part_buf = mci_readq(host, DATA); + dw_mci_pull_final_bytes(host, buf, cnt); + } +} - WARN_ON(cnt % 8 != 0); +static void dw_mci_pull_data(struct dw_mci *host, void *buf, int cnt) +{ + int len; - cnt = cnt >> 3; - while (cnt > 0) { - *pdata++ = mci_readq(host, DATA); - cnt--; - } + /* get remaining partial bytes */ + len = dw_mci_pull_part_bytes(host, buf, cnt); + if (unlikely(len == cnt)) + return; + buf += len; + cnt -= len; + + /* get the rest of the data */ + host->pull_data(host, buf, cnt); } static void dw_mci_read_data_pio(struct dw_mci *host) @@ -1037,9 +1265,10 @@ static void dw_mci_read_data_pio(struct dw_mci *host) unsigned int nbytes = 0, len; do { - len = SDMMC_GET_FCNT(mci_readl(host, STATUS)) << shift; + len = host->part_buf_count + + (SDMMC_GET_FCNT(mci_readl(host, STATUS)) << shift); if (offset + len <= sg->length) { - host->pull_data(host, (void *)(buf + offset), len); + dw_mci_pull_data(host, (void *)(buf + offset), len); offset += len; nbytes += len; @@ -1055,8 +1284,8 @@ static void dw_mci_read_data_pio(struct dw_mci *host) } } else { unsigned int remaining = sg->length - offset; - host->pull_data(host, (void *)(buf + offset), - remaining); + dw_mci_pull_data(host, (void *)(buf + offset), + remaining); nbytes += remaining; flush_dcache_page(sg_page(sg)); @@ -1066,7 +1295,7 @@ static void dw_mci_read_data_pio(struct dw_mci *host) offset = len - remaining; buf = sg_virt(sg); - host->pull_data(host, buf, offset); + dw_mci_pull_data(host, buf, offset); nbytes += offset; } @@ -1083,7 +1312,6 @@ static void dw_mci_read_data_pio(struct dw_mci *host) return; } } while (status & SDMMC_INT_RXDR); /*if the RXDR is ready read again*/ - len = SDMMC_GET_FCNT(mci_readl(host, STATUS)); host->pio_offset = offset; data->bytes_xfered += nbytes; return; @@ -1105,8 +1333,9 @@ static void dw_mci_write_data_pio(struct dw_mci *host) unsigned int nbytes = 0, len; do { - len = SDMMC_FIFO_SZ - - (SDMMC_GET_FCNT(mci_readl(host, STATUS)) << shift); + len = ((host->fifo_depth - + SDMMC_GET_FCNT(mci_readl(host, STATUS))) << shift) + - host->part_buf_count; if (offset + len <= sg->length) { host->push_data(host, (void *)(buf + offset), len); @@ -1151,10 +1380,8 @@ static void dw_mci_write_data_pio(struct dw_mci *host) return; } } while (status & SDMMC_INT_TXDR); /* if TXDR write again */ - host->pio_offset = offset; data->bytes_xfered += nbytes; - return; done: @@ -1202,7 +1429,6 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) host->cmd_status = status; smp_wmb(); set_bit(EVENT_CMD_COMPLETE, &host->pending_events); - tasklet_schedule(&host->tasklet); } if (pending & DW_MCI_DATA_ERROR_FLAGS) { @@ -1211,7 +1437,9 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) host->data_status = status; smp_wmb(); set_bit(EVENT_DATA_ERROR, &host->pending_events); - tasklet_schedule(&host->tasklet); + if (!(pending & (SDMMC_INT_DTO | SDMMC_INT_DCRC | + SDMMC_INT_SBE | SDMMC_INT_EBE))) + tasklet_schedule(&host->tasklet); } if (pending & SDMMC_INT_DATA_OVER) { @@ -1229,13 +1457,13 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) if (pending & SDMMC_INT_RXDR) { mci_writel(host, RINTSTS, SDMMC_INT_RXDR); - if (host->sg) + if (host->dir_status == DW_MCI_RECV_STATUS && host->sg) dw_mci_read_data_pio(host); } if (pending & SDMMC_INT_TXDR) { mci_writel(host, RINTSTS, SDMMC_INT_TXDR); - if (host->sg) + if (host->dir_status == DW_MCI_SEND_STATUS && host->sg) dw_mci_write_data_pio(host); } @@ -1246,7 +1474,7 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) if (pending & SDMMC_INT_CD) { mci_writel(host, RINTSTS, SDMMC_INT_CD); - tasklet_schedule(&host->card_tasklet); + queue_work(dw_mci_card_workqueue, &host->card_work); } } while (pass_count++ < 5); @@ -1265,9 +1493,9 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static void dw_mci_tasklet_card(unsigned long data) +static void dw_mci_work_routine_card(struct work_struct *work) { - struct dw_mci *host = (struct dw_mci *)data; + struct dw_mci *host = container_of(work, struct dw_mci, card_work); int i; for (i = 0; i < host->num_slots; i++) { @@ -1279,22 +1507,21 @@ static void dw_mci_tasklet_card(unsigned long data) present = dw_mci_get_cd(mmc); while (present != slot->last_detect_state) { - spin_lock(&host->lock); - dev_dbg(&slot->mmc->class_dev, "card %s\n", present ? "inserted" : "removed"); + /* Power up slot (before spin_lock, may sleep) */ + if (present != 0 && host->pdata->setpower) + host->pdata->setpower(slot->id, mmc->ocr_avail); + + spin_lock_bh(&host->lock); + /* Card change detected */ slot->last_detect_state = present; - /* Power up slot */ - if (present != 0) { - if (host->pdata->setpower) - host->pdata->setpower(slot->id, - mmc->ocr_avail); - + /* Mark card as present if applicable */ + if (present != 0) set_bit(DW_MMC_CARD_PRESENT, &slot->flags); - } /* Clean up queue if present */ mrq = slot->mrq; @@ -1344,8 +1571,6 @@ static void dw_mci_tasklet_card(unsigned long data) /* Power down slot */ if (present == 0) { - if (host->pdata->setpower) - host->pdata->setpower(slot->id, 0); clear_bit(DW_MMC_CARD_PRESENT, &slot->flags); /* @@ -1367,7 +1592,12 @@ static void dw_mci_tasklet_card(unsigned long data) } - spin_unlock(&host->lock); + spin_unlock_bh(&host->lock); + + /* Power down slot (after spin_unlock, may sleep) */ + if (present == 0 && host->pdata->setpower) + host->pdata->setpower(slot->id, 0); + present = dw_mci_get_cd(mmc); } @@ -1467,7 +1697,7 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id) * Card may have been plugged in prior to boot so we * need to run the detect tasklet */ - tasklet_schedule(&host->card_tasklet); + queue_work(dw_mci_card_workqueue, &host->card_work); return 0; } @@ -1645,8 +1875,19 @@ static int dw_mci_probe(struct platform_device *pdev) * FIFO threshold settings RxMark = fifo_size / 2 - 1, * Tx Mark = fifo_size / 2 DMA Size = 8 */ - fifo_size = mci_readl(host, FIFOTH); - fifo_size = (fifo_size >> 16) & 0x7ff; + if (!host->pdata->fifo_depth) { + /* + * Power-on value of RX_WMark is FIFO_DEPTH-1, but this may + * have been overwritten by the bootloader, just like we're + * about to do, so if you know the value for your hardware, you + * should put it in the platform data. + */ + fifo_size = mci_readl(host, FIFOTH); + fifo_size = 1 + ((fifo_size >> 16) & 0x7ff); + } else { + fifo_size = host->pdata->fifo_depth; + } + host->fifo_depth = fifo_size; host->fifoth_val = ((0x2 << 28) | ((fifo_size/2 - 1) << 16) | ((fifo_size/2) << 0)); mci_writel(host, FIFOTH, host->fifoth_val); @@ -1656,12 +1897,15 @@ static int dw_mci_probe(struct platform_device *pdev) mci_writel(host, CLKSRC, 0); tasklet_init(&host->tasklet, dw_mci_tasklet_func, (unsigned long)host); - tasklet_init(&host->card_tasklet, - dw_mci_tasklet_card, (unsigned long)host); + dw_mci_card_workqueue = alloc_workqueue("dw-mci-card", + WQ_MEM_RECLAIM | WQ_NON_REENTRANT, 1); + if (!dw_mci_card_workqueue) + goto err_dmaunmap; + INIT_WORK(&host->card_work, dw_mci_work_routine_card); ret = request_irq(irq, dw_mci_interrupt, 0, "dw-mci", host); if (ret) - goto err_dmaunmap; + goto err_workqueue; platform_set_drvdata(pdev, host); @@ -1690,7 +1934,9 @@ static int dw_mci_probe(struct platform_device *pdev) mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE); /* Enable mci interrupt */ dev_info(&pdev->dev, "DW MMC controller at irq %d, " - "%d bit host data width\n", irq, width); + "%d bit host data width, " + "%u deep fifo\n", + irq, width, fifo_size); if (host->quirks & DW_MCI_QUIRK_IDMAC_DTO) dev_info(&pdev->dev, "Internal DMAC interrupt fix enabled.\n"); @@ -1705,6 +1951,9 @@ err_init_slot: } free_irq(irq, host); +err_workqueue: + destroy_workqueue(dw_mci_card_workqueue); + err_dmaunmap: if (host->use_dma && host->dma_ops->exit) host->dma_ops->exit(host); @@ -1744,6 +1993,7 @@ static int __exit dw_mci_remove(struct platform_device *pdev) mci_writel(host, CLKSRC, 0); free_irq(platform_get_irq(pdev, 0), host); + destroy_workqueue(dw_mci_card_workqueue); dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma); if (host->use_dma && host->dma_ops->exit) diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 23c662af5616..027d37735394 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -118,7 +118,6 @@ #define SDMMC_CMD_INDX(n) ((n) & 0x1F) /* Status register defines */ #define SDMMC_GET_FCNT(x) (((x)>>17) & 0x1FF) -#define SDMMC_FIFO_SZ 32 /* Internal DMAC interrupt defines */ #define SDMMC_IDMAC_INT_AI BIT(9) #define SDMMC_IDMAC_INT_NI BIT(8) @@ -134,22 +133,22 @@ /* Register access macros */ #define mci_readl(dev, reg) \ - __raw_readl(dev->regs + SDMMC_##reg) + __raw_readl((dev)->regs + SDMMC_##reg) #define mci_writel(dev, reg, value) \ - __raw_writel((value), dev->regs + SDMMC_##reg) + __raw_writel((value), (dev)->regs + SDMMC_##reg) /* 16-bit FIFO access macros */ #define mci_readw(dev, reg) \ - __raw_readw(dev->regs + SDMMC_##reg) + __raw_readw((dev)->regs + SDMMC_##reg) #define mci_writew(dev, reg, value) \ - __raw_writew((value), dev->regs + SDMMC_##reg) + __raw_writew((value), (dev)->regs + SDMMC_##reg) /* 64-bit FIFO access macros */ #ifdef readq #define mci_readq(dev, reg) \ - __raw_readq(dev->regs + SDMMC_##reg) + __raw_readq((dev)->regs + SDMMC_##reg) #define mci_writeq(dev, reg, value) \ - __raw_writeq((value), dev->regs + SDMMC_##reg) + __raw_writeq((value), (dev)->regs + SDMMC_##reg) #else /* * Dummy readq implementation for architectures that don't define it. @@ -160,9 +159,9 @@ * rest of the code free from ifdefs. */ #define mci_readq(dev, reg) \ - (*(volatile u64 __force *)(dev->regs + SDMMC_##reg)) + (*(volatile u64 __force *)((dev)->regs + SDMMC_##reg)) #define mci_writeq(dev, reg, value) \ - (*(volatile u64 __force *)(dev->regs + SDMMC_##reg) = value) + (*(volatile u64 __force *)((dev)->regs + SDMMC_##reg) = (value)) #endif #endif /* _DW_MMC_H_ */ diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 7721de942c69..fef7140eb1d0 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -226,6 +226,9 @@ static void __devinit mmci_dma_setup(struct mmci_host *host) return; } + /* initialize pre request cookie */ + host->next_data.cookie = 1; + /* Try to acquire a generic DMA engine slave channel */ dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); @@ -335,7 +338,8 @@ static void mmci_dma_unmap(struct mmci_host *host, struct mmc_data *data) dir = DMA_FROM_DEVICE; } - dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, dir); + if (!data->host_cookie) + dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, dir); /* * Use of DMA with scatter-gather is impossible. @@ -353,7 +357,8 @@ static void mmci_dma_data_error(struct mmci_host *host) dmaengine_terminate_all(host->dma_current); } -static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) +static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data, + struct mmci_host_next *next) { struct variant_data *variant = host->variant; struct dma_slave_config conf = { @@ -364,13 +369,20 @@ static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) .src_maxburst = variant->fifohalfsize >> 2, /* # of words */ .dst_maxburst = variant->fifohalfsize >> 2, /* # of words */ }; - struct mmc_data *data = host->data; struct dma_chan *chan; struct dma_device *device; struct dma_async_tx_descriptor *desc; int nr_sg; - host->dma_current = NULL; + /* Check if next job is already prepared */ + if (data->host_cookie && !next && + host->dma_current && host->dma_desc_current) + return 0; + + if (!next) { + host->dma_current = NULL; + host->dma_desc_current = NULL; + } if (data->flags & MMC_DATA_READ) { conf.direction = DMA_FROM_DEVICE; @@ -385,7 +397,7 @@ static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) return -EINVAL; /* If less than or equal to the fifo size, don't bother with DMA */ - if (host->size <= variant->fifosize) + if (data->blksz * data->blocks <= variant->fifosize) return -EINVAL; device = chan->device; @@ -399,14 +411,38 @@ static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) if (!desc) goto unmap_exit; - /* Okay, go for it. */ - host->dma_current = chan; + if (next) { + next->dma_chan = chan; + next->dma_desc = desc; + } else { + host->dma_current = chan; + host->dma_desc_current = desc; + } + + return 0; + unmap_exit: + if (!next) + dmaengine_terminate_all(chan); + dma_unmap_sg(device->dev, data->sg, data->sg_len, conf.direction); + return -ENOMEM; +} + +static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) +{ + int ret; + struct mmc_data *data = host->data; + + ret = mmci_dma_prep_data(host, host->data, NULL); + if (ret) + return ret; + + /* Okay, go for it. */ dev_vdbg(mmc_dev(host->mmc), "Submit MMCI DMA job, sglen %d blksz %04x blks %04x flags %08x\n", data->sg_len, data->blksz, data->blocks, data->flags); - dmaengine_submit(desc); - dma_async_issue_pending(chan); + dmaengine_submit(host->dma_desc_current); + dma_async_issue_pending(host->dma_current); datactrl |= MCI_DPSM_DMAENABLE; @@ -421,14 +457,90 @@ static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) writel(readl(host->base + MMCIMASK0) | MCI_DATAENDMASK, host->base + MMCIMASK0); return 0; +} -unmap_exit: - dmaengine_terminate_all(chan); - dma_unmap_sg(device->dev, data->sg, data->sg_len, conf.direction); - return -ENOMEM; +static void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data) +{ + struct mmci_host_next *next = &host->next_data; + + if (data->host_cookie && data->host_cookie != next->cookie) { + printk(KERN_WARNING "[%s] invalid cookie: data->host_cookie %d" + " host->next_data.cookie %d\n", + __func__, data->host_cookie, host->next_data.cookie); + data->host_cookie = 0; + } + + if (!data->host_cookie) + return; + + host->dma_desc_current = next->dma_desc; + host->dma_current = next->dma_chan; + + next->dma_desc = NULL; + next->dma_chan = NULL; } + +static void mmci_pre_request(struct mmc_host *mmc, struct mmc_request *mrq, + bool is_first_req) +{ + struct mmci_host *host = mmc_priv(mmc); + struct mmc_data *data = mrq->data; + struct mmci_host_next *nd = &host->next_data; + + if (!data) + return; + + if (data->host_cookie) { + data->host_cookie = 0; + return; + } + + /* if config for dma */ + if (((data->flags & MMC_DATA_WRITE) && host->dma_tx_channel) || + ((data->flags & MMC_DATA_READ) && host->dma_rx_channel)) { + if (mmci_dma_prep_data(host, data, nd)) + data->host_cookie = 0; + else + data->host_cookie = ++nd->cookie < 0 ? 1 : nd->cookie; + } +} + +static void mmci_post_request(struct mmc_host *mmc, struct mmc_request *mrq, + int err) +{ + struct mmci_host *host = mmc_priv(mmc); + struct mmc_data *data = mrq->data; + struct dma_chan *chan; + enum dma_data_direction dir; + + if (!data) + return; + + if (data->flags & MMC_DATA_READ) { + dir = DMA_FROM_DEVICE; + chan = host->dma_rx_channel; + } else { + dir = DMA_TO_DEVICE; + chan = host->dma_tx_channel; + } + + + /* if config for dma */ + if (chan) { + if (err) + dmaengine_terminate_all(chan); + if (err || data->host_cookie) + dma_unmap_sg(mmc_dev(host->mmc), data->sg, + data->sg_len, dir); + mrq->data->host_cookie = 0; + } +} + #else /* Blank functions if the DMA engine is not available */ +static void mmci_get_next_data(struct mmci_host *host, struct mmc_data *data) +{ +} static inline void mmci_dma_setup(struct mmci_host *host) { } @@ -449,6 +561,10 @@ static inline int mmci_dma_start_data(struct mmci_host *host, unsigned int datac { return -ENOSYS; } + +#define mmci_pre_request NULL +#define mmci_post_request NULL + #endif static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) @@ -582,6 +698,8 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data, data->error = -EILSEQ; } else if (status & MCI_DATATIMEOUT) { data->error = -ETIMEDOUT; + } else if (status & MCI_STARTBITERR) { + data->error = -ECOMM; } else if (status & MCI_TXUNDERRUN) { data->error = -EIO; } else if (status & MCI_RXOVERRUN) { @@ -870,6 +988,9 @@ static void mmci_request(struct mmc_host *mmc, struct mmc_request *mrq) host->mrq = mrq; + if (mrq->data) + mmci_get_next_data(host, mrq->data); + if (mrq->data && mrq->data->flags & MMC_DATA_READ) mmci_start_data(host, mrq->data); @@ -984,6 +1105,8 @@ static irqreturn_t mmci_cd_irq(int irq, void *dev_id) static const struct mmc_host_ops mmci_ops = { .request = mmci_request, + .pre_req = mmci_pre_request, + .post_req = mmci_post_request, .set_ios = mmci_set_ios, .get_ro = mmci_get_ro, .get_cd = mmci_get_cd, diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index bb32e21c09db..79e4143ab9df 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -86,6 +86,7 @@ #define MCI_CMDRESPEND (1 << 6) #define MCI_CMDSENT (1 << 7) #define MCI_DATAEND (1 << 8) +#define MCI_STARTBITERR (1 << 9) #define MCI_DATABLOCKEND (1 << 10) #define MCI_CMDACTIVE (1 << 11) #define MCI_TXACTIVE (1 << 12) @@ -112,6 +113,7 @@ #define MCI_CMDRESPENDCLR (1 << 6) #define MCI_CMDSENTCLR (1 << 7) #define MCI_DATAENDCLR (1 << 8) +#define MCI_STARTBITERRCLR (1 << 9) #define MCI_DATABLOCKENDCLR (1 << 10) /* Extended status bits for the ST Micro variants */ #define MCI_ST_SDIOITC (1 << 22) @@ -127,6 +129,7 @@ #define MCI_CMDRESPENDMASK (1 << 6) #define MCI_CMDSENTMASK (1 << 7) #define MCI_DATAENDMASK (1 << 8) +#define MCI_STARTBITERRMASK (1 << 9) #define MCI_DATABLOCKENDMASK (1 << 10) #define MCI_CMDACTIVEMASK (1 << 11) #define MCI_TXACTIVEMASK (1 << 12) @@ -150,7 +153,7 @@ #define MCI_IRQENABLE \ (MCI_CMDCRCFAILMASK|MCI_DATACRCFAILMASK|MCI_CMDTIMEOUTMASK| \ MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK| \ - MCI_CMDRESPENDMASK|MCI_CMDSENTMASK) + MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_STARTBITERRMASK) /* These interrupts are directed to IRQ1 when two IRQ lines are available */ #define MCI_IRQ1MASK \ @@ -163,6 +166,12 @@ struct clk; struct variant_data; struct dma_chan; +struct mmci_host_next { + struct dma_async_tx_descriptor *dma_desc; + struct dma_chan *dma_chan; + s32 cookie; +}; + struct mmci_host { phys_addr_t phybase; void __iomem *base; @@ -200,6 +209,8 @@ struct mmci_host { struct dma_chan *dma_current; struct dma_chan *dma_rx_channel; struct dma_chan *dma_tx_channel; + struct dma_async_tx_descriptor *dma_desc_current; + struct mmci_host_next next_data; #define dma_inprogress(host) ((host)->dma_current) #else diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index 99d39a6a1032..d513d47364d0 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -564,40 +564,38 @@ static void mxs_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) static void mxs_mmc_set_clk_rate(struct mxs_mmc_host *host, unsigned int rate) { - unsigned int ssp_rate, bit_rate; - u32 div1, div2; + unsigned int ssp_clk, ssp_sck; + u32 clock_divide, clock_rate; u32 val; - ssp_rate = clk_get_rate(host->clk); + ssp_clk = clk_get_rate(host->clk); - for (div1 = 2; div1 < 254; div1 += 2) { - div2 = ssp_rate / rate / div1; - if (div2 < 0x100) + for (clock_divide = 2; clock_divide <= 254; clock_divide += 2) { + clock_rate = DIV_ROUND_UP(ssp_clk, rate * clock_divide); + clock_rate = (clock_rate > 0) ? clock_rate - 1 : 0; + if (clock_rate <= 255) break; } - if (div1 >= 254) { + if (clock_divide > 254) { dev_err(mmc_dev(host->mmc), "%s: cannot set clock to %d\n", __func__, rate); return; } - if (div2 == 0) - bit_rate = ssp_rate / div1; - else - bit_rate = ssp_rate / div1 / div2; + ssp_sck = ssp_clk / clock_divide / (1 + clock_rate); val = readl(host->base + HW_SSP_TIMING); val &= ~(BM_SSP_TIMING_CLOCK_DIVIDE | BM_SSP_TIMING_CLOCK_RATE); - val |= BF_SSP(div1, TIMING_CLOCK_DIVIDE); - val |= BF_SSP(div2 - 1, TIMING_CLOCK_RATE); + val |= BF_SSP(clock_divide, TIMING_CLOCK_DIVIDE); + val |= BF_SSP(clock_rate, TIMING_CLOCK_RATE); writel(val, host->base + HW_SSP_TIMING); - host->clk_rate = bit_rate; + host->clk_rate = ssp_sck; dev_dbg(mmc_dev(host->mmc), - "%s: div1 %d, div2 %d, ssp %d, bit %d, rate %d\n", - __func__, div1, div2, ssp_rate, bit_rate, rate); + "%s: clock_divide %d, clock_rate %d, ssp_clk %d, rate_actual %d, rate_requested %d\n", + __func__, clock_divide, clock_rate, ssp_clk, ssp_sck, rate); } static void mxs_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index dedf3dab8a3b..21e4a799df48 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -17,6 +17,7 @@ #include <linux/module.h> #include <linux/init.h> +#include <linux/kernel.h> #include <linux/debugfs.h> #include <linux/seq_file.h> #include <linux/interrupt.h> @@ -33,6 +34,7 @@ #include <linux/semaphore.h> #include <linux/gpio.h> #include <linux/regulator/consumer.h> +#include <linux/pm_runtime.h> #include <plat/dma.h> #include <mach/hardware.h> #include <plat/board.h> @@ -116,15 +118,13 @@ #define OMAP_MMC4_DEVID 3 #define OMAP_MMC5_DEVID 4 +#define MMC_AUTOSUSPEND_DELAY 100 #define MMC_TIMEOUT_MS 20 #define OMAP_MMC_MASTER_CLOCK 96000000 +#define OMAP_MMC_MIN_CLOCK 400000 +#define OMAP_MMC_MAX_CLOCK 52000000 #define DRIVER_NAME "omap_hsmmc" -/* Timeouts for entering power saving states on inactivity, msec */ -#define OMAP_MMC_DISABLED_TIMEOUT 100 -#define OMAP_MMC_SLEEP_TIMEOUT 1000 -#define OMAP_MMC_OFF_TIMEOUT 8000 - /* * One controller can have multiple slots, like on some omap boards using * omap.c controller driver. Luckily this is not currently done on any known @@ -141,6 +141,11 @@ #define OMAP_HSMMC_WRITE(base, reg, val) \ __raw_writel((val), (base) + OMAP_HSMMC_##reg) +struct omap_hsmmc_next { + unsigned int dma_len; + s32 cookie; +}; + struct omap_hsmmc_host { struct device *dev; struct mmc_host *mmc; @@ -148,7 +153,6 @@ struct omap_hsmmc_host { struct mmc_command *cmd; struct mmc_data *data; struct clk *fclk; - struct clk *iclk; struct clk *dbclk; /* * vcc == configured supply @@ -184,6 +188,7 @@ struct omap_hsmmc_host { int reqs_blocked; int use_reg; int req_in_progress; + struct omap_hsmmc_next next_data; struct omap_mmc_platform_data *pdata; }; @@ -548,6 +553,15 @@ static void omap_hsmmc_gpio_free(struct omap_mmc_platform_data *pdata) } /* + * Start clock to the card + */ +static void omap_hsmmc_start_clock(struct omap_hsmmc_host *host) +{ + OMAP_HSMMC_WRITE(host->base, SYSCTL, + OMAP_HSMMC_READ(host->base, SYSCTL) | CEN); +} + +/* * Stop clock to the card */ static void omap_hsmmc_stop_clock(struct omap_hsmmc_host *host) @@ -584,6 +598,81 @@ static void omap_hsmmc_disable_irq(struct omap_hsmmc_host *host) OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR); } +/* Calculate divisor for the given clock frequency */ +static u16 calc_divisor(struct mmc_ios *ios) +{ + u16 dsor = 0; + + if (ios->clock) { + dsor = DIV_ROUND_UP(OMAP_MMC_MASTER_CLOCK, ios->clock); + if (dsor > 250) + dsor = 250; + } + + return dsor; +} + +static void omap_hsmmc_set_clock(struct omap_hsmmc_host *host) +{ + struct mmc_ios *ios = &host->mmc->ios; + unsigned long regval; + unsigned long timeout; + + dev_dbg(mmc_dev(host->mmc), "Set clock to %uHz\n", ios->clock); + + omap_hsmmc_stop_clock(host); + + regval = OMAP_HSMMC_READ(host->base, SYSCTL); + regval = regval & ~(CLKD_MASK | DTO_MASK); + regval = regval | (calc_divisor(ios) << 6) | (DTO << 16); + OMAP_HSMMC_WRITE(host->base, SYSCTL, regval); + OMAP_HSMMC_WRITE(host->base, SYSCTL, + OMAP_HSMMC_READ(host->base, SYSCTL) | ICE); + + /* Wait till the ICS bit is set */ + timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS); + while ((OMAP_HSMMC_READ(host->base, SYSCTL) & ICS) != ICS + && time_before(jiffies, timeout)) + cpu_relax(); + + omap_hsmmc_start_clock(host); +} + +static void omap_hsmmc_set_bus_width(struct omap_hsmmc_host *host) +{ + struct mmc_ios *ios = &host->mmc->ios; + u32 con; + + con = OMAP_HSMMC_READ(host->base, CON); + switch (ios->bus_width) { + case MMC_BUS_WIDTH_8: + OMAP_HSMMC_WRITE(host->base, CON, con | DW8); + break; + case MMC_BUS_WIDTH_4: + OMAP_HSMMC_WRITE(host->base, CON, con & ~DW8); + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) | FOUR_BIT); + break; + case MMC_BUS_WIDTH_1: + OMAP_HSMMC_WRITE(host->base, CON, con & ~DW8); + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) & ~FOUR_BIT); + break; + } +} + +static void omap_hsmmc_set_bus_mode(struct omap_hsmmc_host *host) +{ + struct mmc_ios *ios = &host->mmc->ios; + u32 con; + + con = OMAP_HSMMC_READ(host->base, CON); + if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) + OMAP_HSMMC_WRITE(host->base, CON, con | OD); + else + OMAP_HSMMC_WRITE(host->base, CON, con & ~OD); +} + #ifdef CONFIG_PM /* @@ -595,8 +684,7 @@ static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host) struct mmc_ios *ios = &host->mmc->ios; struct omap_mmc_platform_data *pdata = host->pdata; int context_loss = 0; - u32 hctl, capa, con; - u16 dsor = 0; + u32 hctl, capa; unsigned long timeout; if (pdata->get_context_loss_count) { @@ -658,54 +746,12 @@ static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host) if (host->power_mode == MMC_POWER_OFF) goto out; - con = OMAP_HSMMC_READ(host->base, CON); - switch (ios->bus_width) { - case MMC_BUS_WIDTH_8: - OMAP_HSMMC_WRITE(host->base, CON, con | DW8); - break; - case MMC_BUS_WIDTH_4: - OMAP_HSMMC_WRITE(host->base, CON, con & ~DW8); - OMAP_HSMMC_WRITE(host->base, HCTL, - OMAP_HSMMC_READ(host->base, HCTL) | FOUR_BIT); - break; - case MMC_BUS_WIDTH_1: - OMAP_HSMMC_WRITE(host->base, CON, con & ~DW8); - OMAP_HSMMC_WRITE(host->base, HCTL, - OMAP_HSMMC_READ(host->base, HCTL) & ~FOUR_BIT); - break; - } - - if (ios->clock) { - dsor = OMAP_MMC_MASTER_CLOCK / ios->clock; - if (dsor < 1) - dsor = 1; - - if (OMAP_MMC_MASTER_CLOCK / dsor > ios->clock) - dsor++; - - if (dsor > 250) - dsor = 250; - } - - OMAP_HSMMC_WRITE(host->base, SYSCTL, - OMAP_HSMMC_READ(host->base, SYSCTL) & ~CEN); - OMAP_HSMMC_WRITE(host->base, SYSCTL, (dsor << 6) | (DTO << 16)); - OMAP_HSMMC_WRITE(host->base, SYSCTL, - OMAP_HSMMC_READ(host->base, SYSCTL) | ICE); + omap_hsmmc_set_bus_width(host); - timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS); - while ((OMAP_HSMMC_READ(host->base, SYSCTL) & ICS) != ICS - && time_before(jiffies, timeout)) - ; + omap_hsmmc_set_clock(host); - OMAP_HSMMC_WRITE(host->base, SYSCTL, - OMAP_HSMMC_READ(host->base, SYSCTL) | CEN); + omap_hsmmc_set_bus_mode(host); - con = OMAP_HSMMC_READ(host->base, CON); - if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) - OMAP_HSMMC_WRITE(host->base, CON, con | OD); - else - OMAP_HSMMC_WRITE(host->base, CON, con & ~OD); out: host->context_loss = context_loss; @@ -973,14 +1019,14 @@ static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno) * Readable error output */ #ifdef CONFIG_MMC_DEBUG -static void omap_hsmmc_report_irq(struct omap_hsmmc_host *host, u32 status) +static void omap_hsmmc_dbg_report_irq(struct omap_hsmmc_host *host, u32 status) { /* --- means reserved bit without definition at documentation */ static const char *omap_hsmmc_status_bits[] = { - "CC", "TC", "BGE", "---", "BWR", "BRR", "---", "---", "CIRQ", - "OBI", "---", "---", "---", "---", "---", "ERRI", "CTO", "CCRC", - "CEB", "CIE", "DTO", "DCRC", "DEB", "---", "ACE", "---", - "---", "---", "---", "CERR", "CERR", "BADA", "---", "---", "---" + "CC" , "TC" , "BGE", "---", "BWR" , "BRR" , "---" , "---" , + "CIRQ", "OBI" , "---", "---", "---" , "---" , "---" , "ERRI", + "CTO" , "CCRC", "CEB", "CIE", "DTO" , "DCRC", "DEB" , "---" , + "ACE" , "---" , "---", "---", "CERR", "BADA", "---" , "---" }; char res[256]; char *buf = res; @@ -997,6 +1043,11 @@ static void omap_hsmmc_report_irq(struct omap_hsmmc_host *host, u32 status) dev_dbg(mmc_dev(host->mmc), "%s\n", res); } +#else +static inline void omap_hsmmc_dbg_report_irq(struct omap_hsmmc_host *host, + u32 status) +{ +} #endif /* CONFIG_MMC_DEBUG */ /* @@ -1055,9 +1106,7 @@ static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status) dev_dbg(mmc_dev(host->mmc), "IRQ Status is %x\n", status); if (status & ERR) { -#ifdef CONFIG_MMC_DEBUG - omap_hsmmc_report_irq(host, status); -#endif + omap_hsmmc_dbg_report_irq(host, status); if ((status & CMD_TIMEOUT) || (status & CMD_CRC)) { if (host->cmd) { @@ -1155,8 +1204,7 @@ static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd) int ret; /* Disable the clocks */ - clk_disable(host->fclk); - clk_disable(host->iclk); + pm_runtime_put_sync(host->dev); if (host->got_dbclk) clk_disable(host->dbclk); @@ -1167,8 +1215,7 @@ static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd) if (!ret) ret = mmc_slot(host).set_power(host->dev, host->slot_id, 1, vdd); - clk_enable(host->iclk); - clk_enable(host->fclk); + pm_runtime_get_sync(host->dev); if (host->got_dbclk) clk_enable(host->dbclk); @@ -1322,7 +1369,7 @@ static void omap_hsmmc_config_dma_params(struct omap_hsmmc_host *host, static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *cb_data) { struct omap_hsmmc_host *host = cb_data; - struct mmc_data *data = host->mrq->data; + struct mmc_data *data; int dma_ch, req_in_progress; if (!(ch_status & OMAP_DMA_BLOCK_IRQ)) { @@ -1337,6 +1384,7 @@ static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *cb_data) return; } + data = host->mrq->data; host->dma_sg_idx++; if (host->dma_sg_idx < host->dma_len) { /* Fire up the next transfer. */ @@ -1346,8 +1394,9 @@ static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *cb_data) return; } - dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, - omap_hsmmc_get_dma_dir(host, data)); + if (!data->host_cookie) + dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, + omap_hsmmc_get_dma_dir(host, data)); req_in_progress = host->req_in_progress; dma_ch = host->dma_ch; @@ -1365,6 +1414,45 @@ static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *cb_data) } } +static int omap_hsmmc_pre_dma_transfer(struct omap_hsmmc_host *host, + struct mmc_data *data, + struct omap_hsmmc_next *next) +{ + int dma_len; + + if (!next && data->host_cookie && + data->host_cookie != host->next_data.cookie) { + printk(KERN_WARNING "[%s] invalid cookie: data->host_cookie %d" + " host->next_data.cookie %d\n", + __func__, data->host_cookie, host->next_data.cookie); + data->host_cookie = 0; + } + + /* Check if next job is already prepared */ + if (next || + (!next && data->host_cookie != host->next_data.cookie)) { + dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, + data->sg_len, + omap_hsmmc_get_dma_dir(host, data)); + + } else { + dma_len = host->next_data.dma_len; + host->next_data.dma_len = 0; + } + + + if (dma_len == 0) + return -EINVAL; + + if (next) { + next->dma_len = dma_len; + data->host_cookie = ++next->cookie < 0 ? 1 : next->cookie; + } else + host->dma_len = dma_len; + + return 0; +} + /* * Routine to configure and start DMA for the MMC card */ @@ -1398,9 +1486,10 @@ static int omap_hsmmc_start_dma_transfer(struct omap_hsmmc_host *host, mmc_hostname(host->mmc), ret); return ret; } + ret = omap_hsmmc_pre_dma_transfer(host, data, NULL); + if (ret) + return ret; - host->dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, - data->sg_len, omap_hsmmc_get_dma_dir(host, data)); host->dma_ch = dma_ch; host->dma_sg_idx = 0; @@ -1480,6 +1569,35 @@ omap_hsmmc_prepare_data(struct omap_hsmmc_host *host, struct mmc_request *req) return 0; } +static void omap_hsmmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq, + int err) +{ + struct omap_hsmmc_host *host = mmc_priv(mmc); + struct mmc_data *data = mrq->data; + + if (host->use_dma) { + dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, + omap_hsmmc_get_dma_dir(host, data)); + data->host_cookie = 0; + } +} + +static void omap_hsmmc_pre_req(struct mmc_host *mmc, struct mmc_request *mrq, + bool is_first_req) +{ + struct omap_hsmmc_host *host = mmc_priv(mmc); + + if (mrq->data->host_cookie) { + mrq->data->host_cookie = 0; + return ; + } + + if (host->use_dma) + if (omap_hsmmc_pre_dma_transfer(host, mrq->data, + &host->next_data)) + mrq->data->host_cookie = 0; +} + /* * Request function. for read/write operation */ @@ -1528,13 +1646,9 @@ static void omap_hsmmc_request(struct mmc_host *mmc, struct mmc_request *req) static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { struct omap_hsmmc_host *host = mmc_priv(mmc); - u16 dsor = 0; - unsigned long regval; - unsigned long timeout; - u32 con; int do_send_init_stream = 0; - mmc_host_enable(host->mmc); + pm_runtime_get_sync(host->dev); if (ios->power_mode != host->power_mode) { switch (ios->power_mode) { @@ -1557,22 +1671,7 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) /* FIXME: set registers based only on changes to ios */ - con = OMAP_HSMMC_READ(host->base, CON); - switch (mmc->ios.bus_width) { - case MMC_BUS_WIDTH_8: - OMAP_HSMMC_WRITE(host->base, CON, con | DW8); - break; - case MMC_BUS_WIDTH_4: - OMAP_HSMMC_WRITE(host->base, CON, con & ~DW8); - OMAP_HSMMC_WRITE(host->base, HCTL, - OMAP_HSMMC_READ(host->base, HCTL) | FOUR_BIT); - break; - case MMC_BUS_WIDTH_1: - OMAP_HSMMC_WRITE(host->base, CON, con & ~DW8); - OMAP_HSMMC_WRITE(host->base, HCTL, - OMAP_HSMMC_READ(host->base, HCTL) & ~FOUR_BIT); - break; - } + omap_hsmmc_set_bus_width(host); if (host->pdata->controller_flags & OMAP_HSMMC_SUPPORTS_DUAL_VOLT) { /* Only MMC1 can interface at 3V without some flavor @@ -1592,47 +1691,14 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) } } - if (ios->clock) { - dsor = OMAP_MMC_MASTER_CLOCK / ios->clock; - if (dsor < 1) - dsor = 1; - - if (OMAP_MMC_MASTER_CLOCK / dsor > ios->clock) - dsor++; - - if (dsor > 250) - dsor = 250; - } - omap_hsmmc_stop_clock(host); - regval = OMAP_HSMMC_READ(host->base, SYSCTL); - regval = regval & ~(CLKD_MASK); - regval = regval | (dsor << 6) | (DTO << 16); - OMAP_HSMMC_WRITE(host->base, SYSCTL, regval); - OMAP_HSMMC_WRITE(host->base, SYSCTL, - OMAP_HSMMC_READ(host->base, SYSCTL) | ICE); - - /* Wait till the ICS bit is set */ - timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS); - while ((OMAP_HSMMC_READ(host->base, SYSCTL) & ICS) != ICS - && time_before(jiffies, timeout)) - msleep(1); - - OMAP_HSMMC_WRITE(host->base, SYSCTL, - OMAP_HSMMC_READ(host->base, SYSCTL) | CEN); + omap_hsmmc_set_clock(host); if (do_send_init_stream) send_init_stream(host); - con = OMAP_HSMMC_READ(host->base, CON); - if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) - OMAP_HSMMC_WRITE(host->base, CON, con | OD); - else - OMAP_HSMMC_WRITE(host->base, CON, con & ~OD); + omap_hsmmc_set_bus_mode(host); - if (host->power_mode == MMC_POWER_OFF) - mmc_host_disable(host->mmc); - else - mmc_host_lazy_disable(host->mmc); + pm_runtime_put_autosuspend(host->dev); } static int omap_hsmmc_get_cd(struct mmc_host *mmc) @@ -1688,230 +1754,12 @@ static void omap_hsmmc_conf_bus_power(struct omap_hsmmc_host *host) set_sd_bus_power(host); } -/* - * Dynamic power saving handling, FSM: - * ENABLED -> DISABLED -> CARDSLEEP / REGSLEEP -> OFF - * ^___________| | | - * |______________________|______________________| - * - * ENABLED: mmc host is fully functional - * DISABLED: fclk is off - * CARDSLEEP: fclk is off, card is asleep, voltage regulator is asleep - * REGSLEEP: fclk is off, voltage regulator is asleep - * OFF: fclk is off, voltage regulator is off - * - * Transition handlers return the timeout for the next state transition - * or negative error. - */ - -enum {ENABLED = 0, DISABLED, CARDSLEEP, REGSLEEP, OFF}; - -/* Handler for [ENABLED -> DISABLED] transition */ -static int omap_hsmmc_enabled_to_disabled(struct omap_hsmmc_host *host) -{ - omap_hsmmc_context_save(host); - clk_disable(host->fclk); - host->dpm_state = DISABLED; - - dev_dbg(mmc_dev(host->mmc), "ENABLED -> DISABLED\n"); - - if (host->power_mode == MMC_POWER_OFF) - return 0; - - return OMAP_MMC_SLEEP_TIMEOUT; -} - -/* Handler for [DISABLED -> REGSLEEP / CARDSLEEP] transition */ -static int omap_hsmmc_disabled_to_sleep(struct omap_hsmmc_host *host) -{ - int err, new_state; - - if (!mmc_try_claim_host(host->mmc)) - return 0; - - clk_enable(host->fclk); - omap_hsmmc_context_restore(host); - if (mmc_card_can_sleep(host->mmc)) { - err = mmc_card_sleep(host->mmc); - if (err < 0) { - clk_disable(host->fclk); - mmc_release_host(host->mmc); - return err; - } - new_state = CARDSLEEP; - } else { - new_state = REGSLEEP; - } - if (mmc_slot(host).set_sleep) - mmc_slot(host).set_sleep(host->dev, host->slot_id, 1, 0, - new_state == CARDSLEEP); - /* FIXME: turn off bus power and perhaps interrupts too */ - clk_disable(host->fclk); - host->dpm_state = new_state; - - mmc_release_host(host->mmc); - - dev_dbg(mmc_dev(host->mmc), "DISABLED -> %s\n", - host->dpm_state == CARDSLEEP ? "CARDSLEEP" : "REGSLEEP"); - - if (mmc_slot(host).no_off) - return 0; - - if ((host->mmc->caps & MMC_CAP_NONREMOVABLE) || - mmc_slot(host).card_detect || - (mmc_slot(host).get_cover_state && - mmc_slot(host).get_cover_state(host->dev, host->slot_id))) - return OMAP_MMC_OFF_TIMEOUT; - - return 0; -} - -/* Handler for [REGSLEEP / CARDSLEEP -> OFF] transition */ -static int omap_hsmmc_sleep_to_off(struct omap_hsmmc_host *host) -{ - if (!mmc_try_claim_host(host->mmc)) - return 0; - - if (mmc_slot(host).no_off) - return 0; - - if (!((host->mmc->caps & MMC_CAP_NONREMOVABLE) || - mmc_slot(host).card_detect || - (mmc_slot(host).get_cover_state && - mmc_slot(host).get_cover_state(host->dev, host->slot_id)))) { - mmc_release_host(host->mmc); - return 0; - } - - mmc_slot(host).set_power(host->dev, host->slot_id, 0, 0); - host->vdd = 0; - host->power_mode = MMC_POWER_OFF; - - dev_dbg(mmc_dev(host->mmc), "%s -> OFF\n", - host->dpm_state == CARDSLEEP ? "CARDSLEEP" : "REGSLEEP"); - - host->dpm_state = OFF; - - mmc_release_host(host->mmc); - - return 0; -} - -/* Handler for [DISABLED -> ENABLED] transition */ -static int omap_hsmmc_disabled_to_enabled(struct omap_hsmmc_host *host) -{ - int err; - - err = clk_enable(host->fclk); - if (err < 0) - return err; - - omap_hsmmc_context_restore(host); - host->dpm_state = ENABLED; - - dev_dbg(mmc_dev(host->mmc), "DISABLED -> ENABLED\n"); - - return 0; -} - -/* Handler for [SLEEP -> ENABLED] transition */ -static int omap_hsmmc_sleep_to_enabled(struct omap_hsmmc_host *host) -{ - if (!mmc_try_claim_host(host->mmc)) - return 0; - - clk_enable(host->fclk); - omap_hsmmc_context_restore(host); - if (mmc_slot(host).set_sleep) - mmc_slot(host).set_sleep(host->dev, host->slot_id, 0, - host->vdd, host->dpm_state == CARDSLEEP); - if (mmc_card_can_sleep(host->mmc)) - mmc_card_awake(host->mmc); - - dev_dbg(mmc_dev(host->mmc), "%s -> ENABLED\n", - host->dpm_state == CARDSLEEP ? "CARDSLEEP" : "REGSLEEP"); - - host->dpm_state = ENABLED; - - mmc_release_host(host->mmc); - - return 0; -} - -/* Handler for [OFF -> ENABLED] transition */ -static int omap_hsmmc_off_to_enabled(struct omap_hsmmc_host *host) -{ - clk_enable(host->fclk); - - omap_hsmmc_context_restore(host); - omap_hsmmc_conf_bus_power(host); - mmc_power_restore_host(host->mmc); - - host->dpm_state = ENABLED; - - dev_dbg(mmc_dev(host->mmc), "OFF -> ENABLED\n"); - - return 0; -} - -/* - * Bring MMC host to ENABLED from any other PM state. - */ -static int omap_hsmmc_enable(struct mmc_host *mmc) -{ - struct omap_hsmmc_host *host = mmc_priv(mmc); - - switch (host->dpm_state) { - case DISABLED: - return omap_hsmmc_disabled_to_enabled(host); - case CARDSLEEP: - case REGSLEEP: - return omap_hsmmc_sleep_to_enabled(host); - case OFF: - return omap_hsmmc_off_to_enabled(host); - default: - dev_dbg(mmc_dev(host->mmc), "UNKNOWN state\n"); - return -EINVAL; - } -} - -/* - * Bring MMC host in PM state (one level deeper). - */ -static int omap_hsmmc_disable(struct mmc_host *mmc, int lazy) -{ - struct omap_hsmmc_host *host = mmc_priv(mmc); - - switch (host->dpm_state) { - case ENABLED: { - int delay; - - delay = omap_hsmmc_enabled_to_disabled(host); - if (lazy || delay < 0) - return delay; - return 0; - } - case DISABLED: - return omap_hsmmc_disabled_to_sleep(host); - case CARDSLEEP: - case REGSLEEP: - return omap_hsmmc_sleep_to_off(host); - default: - dev_dbg(mmc_dev(host->mmc), "UNKNOWN state\n"); - return -EINVAL; - } -} - static int omap_hsmmc_enable_fclk(struct mmc_host *mmc) { struct omap_hsmmc_host *host = mmc_priv(mmc); - int err; - err = clk_enable(host->fclk); - if (err) - return err; - dev_dbg(mmc_dev(host->mmc), "mmc_fclk: enabled\n"); - omap_hsmmc_context_restore(host); + pm_runtime_get_sync(host->dev); + return 0; } @@ -1919,26 +1767,17 @@ static int omap_hsmmc_disable_fclk(struct mmc_host *mmc, int lazy) { struct omap_hsmmc_host *host = mmc_priv(mmc); - omap_hsmmc_context_save(host); - clk_disable(host->fclk); - dev_dbg(mmc_dev(host->mmc), "mmc_fclk: disabled\n"); + pm_runtime_mark_last_busy(host->dev); + pm_runtime_put_autosuspend(host->dev); + return 0; } static const struct mmc_host_ops omap_hsmmc_ops = { .enable = omap_hsmmc_enable_fclk, .disable = omap_hsmmc_disable_fclk, - .request = omap_hsmmc_request, - .set_ios = omap_hsmmc_set_ios, - .get_cd = omap_hsmmc_get_cd, - .get_ro = omap_hsmmc_get_ro, - .init_card = omap_hsmmc_init_card, - /* NYET -- enable_sdio_irq */ -}; - -static const struct mmc_host_ops omap_hsmmc_ps_ops = { - .enable = omap_hsmmc_enable, - .disable = omap_hsmmc_disable, + .post_req = omap_hsmmc_post_req, + .pre_req = omap_hsmmc_pre_req, .request = omap_hsmmc_request, .set_ios = omap_hsmmc_set_ios, .get_cd = omap_hsmmc_get_cd, @@ -1968,15 +1807,12 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data) host->dpm_state, mmc->nesting_cnt, host->context_loss, context_loss); - if (host->suspended || host->dpm_state == OFF) { + if (host->suspended) { seq_printf(s, "host suspended, can't read registers\n"); return 0; } - if (clk_enable(host->fclk) != 0) { - seq_printf(s, "can't read the regs\n"); - return 0; - } + pm_runtime_get_sync(host->dev); seq_printf(s, "SYSCONFIG:\t0x%08x\n", OMAP_HSMMC_READ(host->base, SYSCONFIG)); @@ -1993,7 +1829,8 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data) seq_printf(s, "CAPA:\t\t0x%08x\n", OMAP_HSMMC_READ(host->base, CAPA)); - clk_disable(host->fclk); + pm_runtime_mark_last_busy(host->dev); + pm_runtime_put_autosuspend(host->dev); return 0; } @@ -2077,14 +1914,12 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev) host->mapbase = res->start; host->base = ioremap(host->mapbase, SZ_4K); host->power_mode = MMC_POWER_OFF; + host->next_data.cookie = 1; platform_set_drvdata(pdev, host); INIT_WORK(&host->mmc_carddetect_work, omap_hsmmc_detect); - if (mmc_slot(host).power_saving) - mmc->ops = &omap_hsmmc_ps_ops; - else - mmc->ops = &omap_hsmmc_ops; + mmc->ops = &omap_hsmmc_ops; /* * If regulator_disable can only put vcc_aux to sleep then there is @@ -2093,44 +1928,26 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev) if (mmc_slot(host).vcc_aux_disable_is_sleep) mmc_slot(host).no_off = 1; - mmc->f_min = 400000; - mmc->f_max = 52000000; + mmc->f_min = OMAP_MMC_MIN_CLOCK; + mmc->f_max = OMAP_MMC_MAX_CLOCK; spin_lock_init(&host->irq_lock); - host->iclk = clk_get(&pdev->dev, "ick"); - if (IS_ERR(host->iclk)) { - ret = PTR_ERR(host->iclk); - host->iclk = NULL; - goto err1; - } host->fclk = clk_get(&pdev->dev, "fck"); if (IS_ERR(host->fclk)) { ret = PTR_ERR(host->fclk); host->fclk = NULL; - clk_put(host->iclk); goto err1; } omap_hsmmc_context_save(host); mmc->caps |= MMC_CAP_DISABLE; - mmc_set_disable_delay(mmc, OMAP_MMC_DISABLED_TIMEOUT); - /* we start off in DISABLED state */ - host->dpm_state = DISABLED; - if (clk_enable(host->iclk) != 0) { - clk_put(host->iclk); - clk_put(host->fclk); - goto err1; - } - - if (mmc_host_enable(host->mmc) != 0) { - clk_disable(host->iclk); - clk_put(host->iclk); - clk_put(host->fclk); - goto err1; - } + pm_runtime_enable(host->dev); + pm_runtime_get_sync(host->dev); + pm_runtime_set_autosuspend_delay(host->dev, MMC_AUTOSUSPEND_DELAY); + pm_runtime_use_autosuspend(host->dev); if (cpu_is_omap2430()) { host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck"); @@ -2240,8 +2057,6 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev) omap_hsmmc_disable_irq(host); - mmc_host_lazy_disable(host->mmc); - omap_hsmmc_protect_card(host); mmc_add_host(mmc); @@ -2259,6 +2074,8 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev) } omap_hsmmc_debugfs(mmc); + pm_runtime_mark_last_busy(host->dev); + pm_runtime_put_autosuspend(host->dev); return 0; @@ -2274,10 +2091,9 @@ err_reg: err_irq_cd_init: free_irq(host->irq, host); err_irq: - mmc_host_disable(host->mmc); - clk_disable(host->iclk); + pm_runtime_mark_last_busy(host->dev); + pm_runtime_put_autosuspend(host->dev); clk_put(host->fclk); - clk_put(host->iclk); if (host->got_dbclk) { clk_disable(host->dbclk); clk_put(host->dbclk); @@ -2299,7 +2115,7 @@ static int omap_hsmmc_remove(struct platform_device *pdev) struct resource *res; if (host) { - mmc_host_enable(host->mmc); + pm_runtime_get_sync(host->dev); mmc_remove_host(host->mmc); if (host->use_reg) omap_hsmmc_reg_put(host); @@ -2310,10 +2126,9 @@ static int omap_hsmmc_remove(struct platform_device *pdev) free_irq(mmc_slot(host).card_detect_irq, host); flush_work_sync(&host->mmc_carddetect_work); - mmc_host_disable(host->mmc); - clk_disable(host->iclk); + pm_runtime_put_sync(host->dev); + pm_runtime_disable(host->dev); clk_put(host->fclk); - clk_put(host->iclk); if (host->got_dbclk) { clk_disable(host->dbclk); clk_put(host->dbclk); @@ -2343,6 +2158,7 @@ static int omap_hsmmc_suspend(struct device *dev) return 0; if (host) { + pm_runtime_get_sync(host->dev); host->suspended = 1; if (host->pdata->suspend) { ret = host->pdata->suspend(&pdev->dev, @@ -2357,13 +2173,11 @@ static int omap_hsmmc_suspend(struct device *dev) } cancel_work_sync(&host->mmc_carddetect_work); ret = mmc_suspend_host(host->mmc); - mmc_host_enable(host->mmc); + if (ret == 0) { omap_hsmmc_disable_irq(host); OMAP_HSMMC_WRITE(host->base, HCTL, OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP); - mmc_host_disable(host->mmc); - clk_disable(host->iclk); if (host->got_dbclk) clk_disable(host->dbclk); } else { @@ -2375,9 +2189,8 @@ static int omap_hsmmc_suspend(struct device *dev) dev_dbg(mmc_dev(host->mmc), "Unmask interrupt failed\n"); } - mmc_host_disable(host->mmc); } - + pm_runtime_put_sync(host->dev); } return ret; } @@ -2393,14 +2206,7 @@ static int omap_hsmmc_resume(struct device *dev) return 0; if (host) { - ret = clk_enable(host->iclk); - if (ret) - goto clk_en_err; - - if (mmc_host_enable(host->mmc) != 0) { - clk_disable(host->iclk); - goto clk_en_err; - } + pm_runtime_get_sync(host->dev); if (host->got_dbclk) clk_enable(host->dbclk); @@ -2421,15 +2227,12 @@ static int omap_hsmmc_resume(struct device *dev) if (ret == 0) host->suspended = 0; - mmc_host_lazy_disable(host->mmc); + pm_runtime_mark_last_busy(host->dev); + pm_runtime_put_autosuspend(host->dev); } return ret; -clk_en_err: - dev_dbg(mmc_dev(host->mmc), - "Failed to enable MMC clocks during resume\n"); - return ret; } #else @@ -2437,9 +2240,33 @@ clk_en_err: #define omap_hsmmc_resume NULL #endif +static int omap_hsmmc_runtime_suspend(struct device *dev) +{ + struct omap_hsmmc_host *host; + + host = platform_get_drvdata(to_platform_device(dev)); + omap_hsmmc_context_save(host); + dev_dbg(mmc_dev(host->mmc), "disabled\n"); + + return 0; +} + +static int omap_hsmmc_runtime_resume(struct device *dev) +{ + struct omap_hsmmc_host *host; + + host = platform_get_drvdata(to_platform_device(dev)); + omap_hsmmc_context_restore(host); + dev_dbg(mmc_dev(host->mmc), "enabled\n"); + + return 0; +} + static struct dev_pm_ops omap_hsmmc_dev_pm_ops = { .suspend = omap_hsmmc_suspend, .resume = omap_hsmmc_resume, + .runtime_suspend = omap_hsmmc_runtime_suspend, + .runtime_resume = omap_hsmmc_runtime_resume, }; static struct platform_driver omap_hsmmc_driver = { diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c index 9ebd1d7759dc..4b920b7621cf 100644 --- a/drivers/mmc/host/sdhci-cns3xxx.c +++ b/drivers/mmc/host/sdhci-cns3xxx.c @@ -15,9 +15,7 @@ #include <linux/delay.h> #include <linux/device.h> #include <linux/mmc/host.h> -#include <linux/mmc/sdhci-pltfm.h> #include <mach/cns3xxx.h> -#include "sdhci.h" #include "sdhci-pltfm.h" static unsigned int sdhci_cns3xxx_get_max_clk(struct sdhci_host *host) @@ -86,7 +84,7 @@ static struct sdhci_ops sdhci_cns3xxx_ops = { .set_clock = sdhci_cns3xxx_set_clock, }; -struct sdhci_pltfm_data sdhci_cns3xxx_pdata = { +static struct sdhci_pltfm_data sdhci_cns3xxx_pdata = { .ops = &sdhci_cns3xxx_ops, .quirks = SDHCI_QUIRK_BROKEN_DMA | SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | @@ -95,3 +93,43 @@ struct sdhci_pltfm_data sdhci_cns3xxx_pdata = { SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | SDHCI_QUIRK_NONSTANDARD_CLOCK, }; + +static int __devinit sdhci_cns3xxx_probe(struct platform_device *pdev) +{ + return sdhci_pltfm_register(pdev, &sdhci_cns3xxx_pdata); +} + +static int __devexit sdhci_cns3xxx_remove(struct platform_device *pdev) +{ + return sdhci_pltfm_unregister(pdev); +} + +static struct platform_driver sdhci_cns3xxx_driver = { + .driver = { + .name = "sdhci-cns3xxx", + .owner = THIS_MODULE, + }, + .probe = sdhci_cns3xxx_probe, + .remove = __devexit_p(sdhci_cns3xxx_remove), +#ifdef CONFIG_PM + .suspend = sdhci_pltfm_suspend, + .resume = sdhci_pltfm_resume, +#endif +}; + +static int __init sdhci_cns3xxx_init(void) +{ + return platform_driver_register(&sdhci_cns3xxx_driver); +} +module_init(sdhci_cns3xxx_init); + +static void __exit sdhci_cns3xxx_exit(void) +{ + platform_driver_unregister(&sdhci_cns3xxx_driver); +} +module_exit(sdhci_cns3xxx_exit); + +MODULE_DESCRIPTION("SDHCI driver for CNS3xxx"); +MODULE_AUTHOR("Scott Shu, " + "Anton Vorontsov <avorontsov@mvista.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c index 2aeef4ffed8c..f2d29dca4420 100644 --- a/drivers/mmc/host/sdhci-dove.c +++ b/drivers/mmc/host/sdhci-dove.c @@ -22,7 +22,6 @@ #include <linux/io.h> #include <linux/mmc/host.h> -#include "sdhci.h" #include "sdhci-pltfm.h" static u16 sdhci_dove_readw(struct sdhci_host *host, int reg) @@ -61,10 +60,50 @@ static struct sdhci_ops sdhci_dove_ops = { .read_l = sdhci_dove_readl, }; -struct sdhci_pltfm_data sdhci_dove_pdata = { +static struct sdhci_pltfm_data sdhci_dove_pdata = { .ops = &sdhci_dove_ops, .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER | SDHCI_QUIRK_NO_BUSY_IRQ | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | SDHCI_QUIRK_FORCE_DMA, }; + +static int __devinit sdhci_dove_probe(struct platform_device *pdev) +{ + return sdhci_pltfm_register(pdev, &sdhci_dove_pdata); +} + +static int __devexit sdhci_dove_remove(struct platform_device *pdev) +{ + return sdhci_pltfm_unregister(pdev); +} + +static struct platform_driver sdhci_dove_driver = { + .driver = { + .name = "sdhci-dove", + .owner = THIS_MODULE, + }, + .probe = sdhci_dove_probe, + .remove = __devexit_p(sdhci_dove_remove), +#ifdef CONFIG_PM + .suspend = sdhci_pltfm_suspend, + .resume = sdhci_pltfm_resume, +#endif +}; + +static int __init sdhci_dove_init(void) +{ + return platform_driver_register(&sdhci_dove_driver); +} +module_init(sdhci_dove_init); + +static void __exit sdhci_dove_exit(void) +{ + platform_driver_unregister(&sdhci_dove_driver); +} +module_exit(sdhci_dove_exit); + +MODULE_DESCRIPTION("SDHCI driver for Dove"); +MODULE_AUTHOR("Saeed Bishara <saeed@marvell.com>, " + "Mike Rapoport <mike@compulab.co.il>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index a19967d0bfc4..710b706f4fcf 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -18,12 +18,10 @@ #include <linux/gpio.h> #include <linux/slab.h> #include <linux/mmc/host.h> -#include <linux/mmc/sdhci-pltfm.h> #include <linux/mmc/mmc.h> #include <linux/mmc/sdio.h> #include <mach/hardware.h> #include <mach/esdhc.h> -#include "sdhci.h" #include "sdhci-pltfm.h" #include "sdhci-esdhc.h" @@ -31,7 +29,7 @@ #define SDHCI_VENDOR_SPEC 0xC0 #define SDHCI_VENDOR_SPEC_SDIO_QUIRK 0x00000002 -#define ESDHC_FLAG_GPIO_FOR_CD_WP (1 << 0) +#define ESDHC_FLAG_GPIO_FOR_CD (1 << 0) /* * The CMDTYPE of the CMD register (offset 0xE) should be set to * "11" when the STOP CMD12 is issued on imx53 to abort one @@ -67,14 +65,14 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg) u32 val = readl(host->ioaddr + reg); if (unlikely((reg == SDHCI_PRESENT_STATE) - && (imx_data->flags & ESDHC_FLAG_GPIO_FOR_CD_WP))) { + && (imx_data->flags & ESDHC_FLAG_GPIO_FOR_CD))) { struct esdhc_platform_data *boarddata = host->mmc->parent->platform_data; if (boarddata && gpio_is_valid(boarddata->cd_gpio) && gpio_get_value(boarddata->cd_gpio)) /* no card, if a valid gpio says so... */ - val &= SDHCI_CARD_PRESENT; + val &= ~SDHCI_CARD_PRESENT; else /* ... in all other cases assume card is present */ val |= SDHCI_CARD_PRESENT; @@ -89,7 +87,7 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg) struct pltfm_imx_data *imx_data = pltfm_host->priv; if (unlikely((reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE) - && (imx_data->flags & ESDHC_FLAG_GPIO_FOR_CD_WP))) + && (imx_data->flags & ESDHC_FLAG_GPIO_FOR_CD))) /* * these interrupts won't work with a custom card_detect gpio * (only applied to mx25/35) @@ -191,16 +189,6 @@ static unsigned int esdhc_pltfm_get_min_clock(struct sdhci_host *host) return clk_get_rate(pltfm_host->clk) / 256 / 16; } -static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host) -{ - struct esdhc_platform_data *boarddata = host->mmc->parent->platform_data; - - if (boarddata && gpio_is_valid(boarddata->wp_gpio)) - return gpio_get_value(boarddata->wp_gpio); - else - return -ENOSYS; -} - static struct sdhci_ops sdhci_esdhc_ops = { .read_l = esdhc_readl_le, .read_w = esdhc_readw_le, @@ -212,6 +200,24 @@ static struct sdhci_ops sdhci_esdhc_ops = { .get_min_clock = esdhc_pltfm_get_min_clock, }; +static struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = { + .quirks = ESDHC_DEFAULT_QUIRKS | SDHCI_QUIRK_BROKEN_ADMA + | SDHCI_QUIRK_BROKEN_CARD_DETECTION, + /* ADMA has issues. Might be fixable */ + .ops = &sdhci_esdhc_ops, +}; + +static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host) +{ + struct esdhc_platform_data *boarddata = + host->mmc->parent->platform_data; + + if (boarddata && gpio_is_valid(boarddata->wp_gpio)) + return gpio_get_value(boarddata->wp_gpio); + else + return -ENOSYS; +} + static irqreturn_t cd_irq(int irq, void *data) { struct sdhci_host *sdhost = (struct sdhci_host *)data; @@ -220,30 +226,35 @@ static irqreturn_t cd_irq(int irq, void *data) return IRQ_HANDLED; }; -static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pdata) +static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev) { - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct esdhc_platform_data *boarddata = host->mmc->parent->platform_data; + struct sdhci_pltfm_host *pltfm_host; + struct sdhci_host *host; + struct esdhc_platform_data *boarddata; struct clk *clk; int err; struct pltfm_imx_data *imx_data; + host = sdhci_pltfm_init(pdev, &sdhci_esdhc_imx_pdata); + if (IS_ERR(host)) + return PTR_ERR(host); + + pltfm_host = sdhci_priv(host); + + imx_data = kzalloc(sizeof(struct pltfm_imx_data), GFP_KERNEL); + if (!imx_data) + return -ENOMEM; + pltfm_host->priv = imx_data; + clk = clk_get(mmc_dev(host->mmc), NULL); if (IS_ERR(clk)) { dev_err(mmc_dev(host->mmc), "clk err\n"); - return PTR_ERR(clk); + err = PTR_ERR(clk); + goto err_clk_get; } clk_enable(clk); pltfm_host->clk = clk; - imx_data = kzalloc(sizeof(struct pltfm_imx_data), GFP_KERNEL); - if (!imx_data) { - clk_disable(pltfm_host->clk); - clk_put(pltfm_host->clk); - return -ENOMEM; - } - pltfm_host->priv = imx_data; - if (!cpu_is_mx25()) host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; @@ -257,6 +268,7 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd if (!(cpu_is_mx25() || cpu_is_mx35() || cpu_is_mx51())) imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT; + boarddata = host->mmc->parent->platform_data; if (boarddata) { err = gpio_request_one(boarddata->wp_gpio, GPIOF_IN, "ESDHC_WP"); if (err) { @@ -284,11 +296,15 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd goto no_card_detect_irq; } - imx_data->flags |= ESDHC_FLAG_GPIO_FOR_CD_WP; + imx_data->flags |= ESDHC_FLAG_GPIO_FOR_CD; /* Now we have a working card_detect again */ host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; } + err = sdhci_add_host(host); + if (err) + goto err_add_host; + return 0; no_card_detect_irq: @@ -297,14 +313,23 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd boarddata->cd_gpio = err; not_supported: kfree(imx_data); - return 0; + err_add_host: + clk_disable(pltfm_host->clk); + clk_put(pltfm_host->clk); + err_clk_get: + sdhci_pltfm_free(pdev); + return err; } -static void esdhc_pltfm_exit(struct sdhci_host *host) +static int __devexit sdhci_esdhc_imx_remove(struct platform_device *pdev) { + struct sdhci_host *host = platform_get_drvdata(pdev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct esdhc_platform_data *boarddata = host->mmc->parent->platform_data; struct pltfm_imx_data *imx_data = pltfm_host->priv; + int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff); + + sdhci_remove_host(host, dead); if (boarddata && gpio_is_valid(boarddata->wp_gpio)) gpio_free(boarddata->wp_gpio); @@ -319,13 +344,37 @@ static void esdhc_pltfm_exit(struct sdhci_host *host) clk_disable(pltfm_host->clk); clk_put(pltfm_host->clk); kfree(imx_data); + + sdhci_pltfm_free(pdev); + + return 0; } -struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = { - .quirks = ESDHC_DEFAULT_QUIRKS | SDHCI_QUIRK_BROKEN_ADMA - | SDHCI_QUIRK_BROKEN_CARD_DETECTION, - /* ADMA has issues. Might be fixable */ - .ops = &sdhci_esdhc_ops, - .init = esdhc_pltfm_init, - .exit = esdhc_pltfm_exit, +static struct platform_driver sdhci_esdhc_imx_driver = { + .driver = { + .name = "sdhci-esdhc-imx", + .owner = THIS_MODULE, + }, + .probe = sdhci_esdhc_imx_probe, + .remove = __devexit_p(sdhci_esdhc_imx_remove), +#ifdef CONFIG_PM + .suspend = sdhci_pltfm_suspend, + .resume = sdhci_pltfm_resume, +#endif }; + +static int __init sdhci_esdhc_imx_init(void) +{ + return platform_driver_register(&sdhci_esdhc_imx_driver); +} +module_init(sdhci_esdhc_imx_init); + +static void __exit sdhci_esdhc_imx_exit(void) +{ + platform_driver_unregister(&sdhci_esdhc_imx_driver); +} +module_exit(sdhci_esdhc_imx_exit); + +MODULE_DESCRIPTION("SDHCI driver for Freescale i.MX eSDHC"); +MODULE_AUTHOR("Wolfram Sang <w.sang@pengutronix.de>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci-of-core.c b/drivers/mmc/host/sdhci-of-core.c deleted file mode 100644 index 60e4186a4345..000000000000 --- a/drivers/mmc/host/sdhci-of-core.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - * OpenFirmware bindings for Secure Digital Host Controller Interface. - * - * Copyright (c) 2007 Freescale Semiconductor, Inc. - * Copyright (c) 2009 MontaVista Software, Inc. - * - * Authors: Xiaobo Xie <X.Xie@freescale.com> - * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - */ - -#include <linux/err.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/of.h> -#include <linux/of_platform.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> -#include <linux/mmc/host.h> -#ifdef CONFIG_PPC -#include <asm/machdep.h> -#endif -#include "sdhci-of.h" -#include "sdhci.h" - -#ifdef CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER - -/* - * These accessors are designed for big endian hosts doing I/O to - * little endian controllers incorporating a 32-bit hardware byte swapper. - */ - -u32 sdhci_be32bs_readl(struct sdhci_host *host, int reg) -{ - return in_be32(host->ioaddr + reg); -} - -u16 sdhci_be32bs_readw(struct sdhci_host *host, int reg) -{ - return in_be16(host->ioaddr + (reg ^ 0x2)); -} - -u8 sdhci_be32bs_readb(struct sdhci_host *host, int reg) -{ - return in_8(host->ioaddr + (reg ^ 0x3)); -} - -void sdhci_be32bs_writel(struct sdhci_host *host, u32 val, int reg) -{ - out_be32(host->ioaddr + reg, val); -} - -void sdhci_be32bs_writew(struct sdhci_host *host, u16 val, int reg) -{ - struct sdhci_of_host *of_host = sdhci_priv(host); - int base = reg & ~0x3; - int shift = (reg & 0x2) * 8; - - switch (reg) { - case SDHCI_TRANSFER_MODE: - /* - * Postpone this write, we must do it together with a - * command write that is down below. - */ - of_host->xfer_mode_shadow = val; - return; - case SDHCI_COMMAND: - sdhci_be32bs_writel(host, val << 16 | of_host->xfer_mode_shadow, - SDHCI_TRANSFER_MODE); - return; - } - clrsetbits_be32(host->ioaddr + base, 0xffff << shift, val << shift); -} - -void sdhci_be32bs_writeb(struct sdhci_host *host, u8 val, int reg) -{ - int base = reg & ~0x3; - int shift = (reg & 0x3) * 8; - - clrsetbits_be32(host->ioaddr + base , 0xff << shift, val << shift); -} -#endif /* CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER */ - -#ifdef CONFIG_PM - -static int sdhci_of_suspend(struct platform_device *ofdev, pm_message_t state) -{ - struct sdhci_host *host = dev_get_drvdata(&ofdev->dev); - - return mmc_suspend_host(host->mmc); -} - -static int sdhci_of_resume(struct platform_device *ofdev) -{ - struct sdhci_host *host = dev_get_drvdata(&ofdev->dev); - - return mmc_resume_host(host->mmc); -} - -#else - -#define sdhci_of_suspend NULL -#define sdhci_of_resume NULL - -#endif - -static bool __devinit sdhci_of_wp_inverted(struct device_node *np) -{ - if (of_get_property(np, "sdhci,wp-inverted", NULL)) - return true; - - /* Old device trees don't have the wp-inverted property. */ -#ifdef CONFIG_PPC - return machine_is(mpc837x_rdb) || machine_is(mpc837x_mds); -#else - return false; -#endif -} - -static const struct of_device_id sdhci_of_match[]; -static int __devinit sdhci_of_probe(struct platform_device *ofdev) -{ - const struct of_device_id *match; - struct device_node *np = ofdev->dev.of_node; - struct sdhci_of_data *sdhci_of_data; - struct sdhci_host *host; - struct sdhci_of_host *of_host; - const __be32 *clk; - int size; - int ret; - - match = of_match_device(sdhci_of_match, &ofdev->dev); - if (!match) - return -EINVAL; - sdhci_of_data = match->data; - - if (!of_device_is_available(np)) - return -ENODEV; - - host = sdhci_alloc_host(&ofdev->dev, sizeof(*of_host)); - if (IS_ERR(host)) - return -ENOMEM; - - of_host = sdhci_priv(host); - dev_set_drvdata(&ofdev->dev, host); - - host->ioaddr = of_iomap(np, 0); - if (!host->ioaddr) { - ret = -ENOMEM; - goto err_addr_map; - } - - host->irq = irq_of_parse_and_map(np, 0); - if (!host->irq) { - ret = -EINVAL; - goto err_no_irq; - } - - host->hw_name = dev_name(&ofdev->dev); - if (sdhci_of_data) { - host->quirks = sdhci_of_data->quirks; - host->ops = &sdhci_of_data->ops; - } - - if (of_get_property(np, "sdhci,auto-cmd12", NULL)) - host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12; - - - if (of_get_property(np, "sdhci,1-bit-only", NULL)) - host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA; - - if (sdhci_of_wp_inverted(np)) - host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT; - - clk = of_get_property(np, "clock-frequency", &size); - if (clk && size == sizeof(*clk) && *clk) - of_host->clock = be32_to_cpup(clk); - - ret = sdhci_add_host(host); - if (ret) - goto err_add_host; - - return 0; - -err_add_host: - irq_dispose_mapping(host->irq); -err_no_irq: - iounmap(host->ioaddr); -err_addr_map: - sdhci_free_host(host); - return ret; -} - -static int __devexit sdhci_of_remove(struct platform_device *ofdev) -{ - struct sdhci_host *host = dev_get_drvdata(&ofdev->dev); - - sdhci_remove_host(host, 0); - sdhci_free_host(host); - irq_dispose_mapping(host->irq); - iounmap(host->ioaddr); - return 0; -} - -static const struct of_device_id sdhci_of_match[] = { -#ifdef CONFIG_MMC_SDHCI_OF_ESDHC - { .compatible = "fsl,mpc8379-esdhc", .data = &sdhci_esdhc, }, - { .compatible = "fsl,mpc8536-esdhc", .data = &sdhci_esdhc, }, - { .compatible = "fsl,esdhc", .data = &sdhci_esdhc, }, -#endif -#ifdef CONFIG_MMC_SDHCI_OF_HLWD - { .compatible = "nintendo,hollywood-sdhci", .data = &sdhci_hlwd, }, -#endif - { .compatible = "generic-sdhci", }, - {}, -}; -MODULE_DEVICE_TABLE(of, sdhci_of_match); - -static struct platform_driver sdhci_of_driver = { - .driver = { - .name = "sdhci-of", - .owner = THIS_MODULE, - .of_match_table = sdhci_of_match, - }, - .probe = sdhci_of_probe, - .remove = __devexit_p(sdhci_of_remove), - .suspend = sdhci_of_suspend, - .resume = sdhci_of_resume, -}; - -static int __init sdhci_of_init(void) -{ - return platform_driver_register(&sdhci_of_driver); -} -module_init(sdhci_of_init); - -static void __exit sdhci_of_exit(void) -{ - platform_driver_unregister(&sdhci_of_driver); -} -module_exit(sdhci_of_exit); - -MODULE_DESCRIPTION("Secure Digital Host Controller Interface OF driver"); -MODULE_AUTHOR("Xiaobo Xie <X.Xie@freescale.com>, " - "Anton Vorontsov <avorontsov@ru.mvista.com>"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index ba40d6d035c7..fe604df65011 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -16,8 +16,7 @@ #include <linux/io.h> #include <linux/delay.h> #include <linux/mmc/host.h> -#include "sdhci-of.h" -#include "sdhci.h" +#include "sdhci-pltfm.h" #include "sdhci-esdhc.h" static u16 esdhc_readw(struct sdhci_host *host, int reg) @@ -60,32 +59,83 @@ static int esdhc_of_enable_dma(struct sdhci_host *host) static unsigned int esdhc_of_get_max_clock(struct sdhci_host *host) { - struct sdhci_of_host *of_host = sdhci_priv(host); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - return of_host->clock; + return pltfm_host->clock; } static unsigned int esdhc_of_get_min_clock(struct sdhci_host *host) { - struct sdhci_of_host *of_host = sdhci_priv(host); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - return of_host->clock / 256 / 16; + return pltfm_host->clock / 256 / 16; } -struct sdhci_of_data sdhci_esdhc = { +static struct sdhci_ops sdhci_esdhc_ops = { + .read_l = sdhci_be32bs_readl, + .read_w = esdhc_readw, + .read_b = sdhci_be32bs_readb, + .write_l = sdhci_be32bs_writel, + .write_w = esdhc_writew, + .write_b = esdhc_writeb, + .set_clock = esdhc_set_clock, + .enable_dma = esdhc_of_enable_dma, + .get_max_clock = esdhc_of_get_max_clock, + .get_min_clock = esdhc_of_get_min_clock, +}; + +static struct sdhci_pltfm_data sdhci_esdhc_pdata = { /* card detection could be handled via GPIO */ .quirks = ESDHC_DEFAULT_QUIRKS | SDHCI_QUIRK_BROKEN_CARD_DETECTION | SDHCI_QUIRK_NO_CARD_NO_RESET, - .ops = { - .read_l = sdhci_be32bs_readl, - .read_w = esdhc_readw, - .read_b = sdhci_be32bs_readb, - .write_l = sdhci_be32bs_writel, - .write_w = esdhc_writew, - .write_b = esdhc_writeb, - .set_clock = esdhc_set_clock, - .enable_dma = esdhc_of_enable_dma, - .get_max_clock = esdhc_of_get_max_clock, - .get_min_clock = esdhc_of_get_min_clock, + .ops = &sdhci_esdhc_ops, +}; + +static int __devinit sdhci_esdhc_probe(struct platform_device *pdev) +{ + return sdhci_pltfm_register(pdev, &sdhci_esdhc_pdata); +} + +static int __devexit sdhci_esdhc_remove(struct platform_device *pdev) +{ + return sdhci_pltfm_unregister(pdev); +} + +static const struct of_device_id sdhci_esdhc_of_match[] = { + { .compatible = "fsl,mpc8379-esdhc" }, + { .compatible = "fsl,mpc8536-esdhc" }, + { .compatible = "fsl,esdhc" }, + { } +}; +MODULE_DEVICE_TABLE(of, sdhci_esdhc_of_match); + +static struct platform_driver sdhci_esdhc_driver = { + .driver = { + .name = "sdhci-esdhc", + .owner = THIS_MODULE, + .of_match_table = sdhci_esdhc_of_match, }, + .probe = sdhci_esdhc_probe, + .remove = __devexit_p(sdhci_esdhc_remove), +#ifdef CONFIG_PM + .suspend = sdhci_pltfm_suspend, + .resume = sdhci_pltfm_resume, +#endif }; + +static int __init sdhci_esdhc_init(void) +{ + return platform_driver_register(&sdhci_esdhc_driver); +} +module_init(sdhci_esdhc_init); + +static void __exit sdhci_esdhc_exit(void) +{ + platform_driver_unregister(&sdhci_esdhc_driver); +} +module_exit(sdhci_esdhc_exit); + +MODULE_DESCRIPTION("SDHCI OF driver for Freescale MPC eSDHC"); +MODULE_AUTHOR("Xiaobo Xie <X.Xie@freescale.com>, " + "Anton Vorontsov <avorontsov@ru.mvista.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci-of-hlwd.c b/drivers/mmc/host/sdhci-of-hlwd.c index 68ddb7546ae2..735be131dca9 100644 --- a/drivers/mmc/host/sdhci-of-hlwd.c +++ b/drivers/mmc/host/sdhci-of-hlwd.c @@ -21,8 +21,7 @@ #include <linux/delay.h> #include <linux/mmc/host.h> -#include "sdhci-of.h" -#include "sdhci.h" +#include "sdhci-pltfm.h" /* * Ops and quirks for the Nintendo Wii SDHCI controllers. @@ -51,15 +50,63 @@ static void sdhci_hlwd_writeb(struct sdhci_host *host, u8 val, int reg) udelay(SDHCI_HLWD_WRITE_DELAY); } -struct sdhci_of_data sdhci_hlwd = { +static struct sdhci_ops sdhci_hlwd_ops = { + .read_l = sdhci_be32bs_readl, + .read_w = sdhci_be32bs_readw, + .read_b = sdhci_be32bs_readb, + .write_l = sdhci_hlwd_writel, + .write_w = sdhci_hlwd_writew, + .write_b = sdhci_hlwd_writeb, +}; + +static struct sdhci_pltfm_data sdhci_hlwd_pdata = { .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | SDHCI_QUIRK_32BIT_DMA_SIZE, - .ops = { - .read_l = sdhci_be32bs_readl, - .read_w = sdhci_be32bs_readw, - .read_b = sdhci_be32bs_readb, - .write_l = sdhci_hlwd_writel, - .write_w = sdhci_hlwd_writew, - .write_b = sdhci_hlwd_writeb, + .ops = &sdhci_hlwd_ops, +}; + +static int __devinit sdhci_hlwd_probe(struct platform_device *pdev) +{ + return sdhci_pltfm_register(pdev, &sdhci_hlwd_pdata); +} + +static int __devexit sdhci_hlwd_remove(struct platform_device *pdev) +{ + return sdhci_pltfm_unregister(pdev); +} + +static const struct of_device_id sdhci_hlwd_of_match[] = { + { .compatible = "nintendo,hollywood-sdhci" }, + { } +}; +MODULE_DEVICE_TABLE(of, sdhci_hlwd_of_match); + +static struct platform_driver sdhci_hlwd_driver = { + .driver = { + .name = "sdhci-hlwd", + .owner = THIS_MODULE, + .of_match_table = sdhci_hlwd_of_match, }, + .probe = sdhci_hlwd_probe, + .remove = __devexit_p(sdhci_hlwd_remove), +#ifdef CONFIG_PM + .suspend = sdhci_pltfm_suspend, + .resume = sdhci_pltfm_resume, +#endif }; + +static int __init sdhci_hlwd_init(void) +{ + return platform_driver_register(&sdhci_hlwd_driver); +} +module_init(sdhci_hlwd_init); + +static void __exit sdhci_hlwd_exit(void) +{ + platform_driver_unregister(&sdhci_hlwd_driver); +} +module_exit(sdhci_hlwd_exit); + +MODULE_DESCRIPTION("Nintendo Wii SDHCI OF driver"); +MODULE_AUTHOR("The GameCube Linux Team, Albert Herranz"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci-of.h b/drivers/mmc/host/sdhci-of.h deleted file mode 100644 index ad09ad9915d8..000000000000 --- a/drivers/mmc/host/sdhci-of.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * OpenFirmware bindings for Secure Digital Host Controller Interface. - * - * Copyright (c) 2007 Freescale Semiconductor, Inc. - * Copyright (c) 2009 MontaVista Software, Inc. - * - * Authors: Xiaobo Xie <X.Xie@freescale.com> - * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - */ - -#ifndef __SDHCI_OF_H -#define __SDHCI_OF_H - -#include <linux/types.h> -#include "sdhci.h" - -struct sdhci_of_data { - unsigned int quirks; - struct sdhci_ops ops; -}; - -struct sdhci_of_host { - unsigned int clock; - u16 xfer_mode_shadow; -}; - -extern u32 sdhci_be32bs_readl(struct sdhci_host *host, int reg); -extern u16 sdhci_be32bs_readw(struct sdhci_host *host, int reg); -extern u8 sdhci_be32bs_readb(struct sdhci_host *host, int reg); -extern void sdhci_be32bs_writel(struct sdhci_host *host, u32 val, int reg); -extern void sdhci_be32bs_writew(struct sdhci_host *host, u16 val, int reg); -extern void sdhci_be32bs_writeb(struct sdhci_host *host, u8 val, int reg); - -extern struct sdhci_of_data sdhci_esdhc; -extern struct sdhci_of_data sdhci_hlwd; - -#endif /* __SDHCI_OF_H */ diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 936bbca19c0a..26c528648f3c 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -143,6 +143,12 @@ static const struct sdhci_pci_fixes sdhci_cafe = { SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, }; +static int mrst_hc_probe_slot(struct sdhci_pci_slot *slot) +{ + slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; + return 0; +} + /* * ADMA operation is disabled for Moorestown platform due to * hardware bugs. @@ -157,8 +163,15 @@ static int mrst_hc_probe(struct sdhci_pci_chip *chip) return 0; } +static int mfd_emmc_probe_slot(struct sdhci_pci_slot *slot) +{ + slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; + return 0; +} + static const struct sdhci_pci_fixes sdhci_intel_mrst_hc0 = { .quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT, + .probe_slot = mrst_hc_probe_slot, }; static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1_hc2 = { @@ -170,8 +183,13 @@ static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = { .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, }; -static const struct sdhci_pci_fixes sdhci_intel_mfd_emmc_sdio = { +static const struct sdhci_pci_fixes sdhci_intel_mfd_sdio = { + .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, +}; + +static const struct sdhci_pci_fixes sdhci_intel_mfd_emmc = { .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, + .probe_slot = mfd_emmc_probe_slot, }; /* O2Micro extra registers */ @@ -682,7 +700,7 @@ static const struct pci_device_id pci_ids[] __devinitdata = { .device = PCI_DEVICE_ID_INTEL_MFD_SDIO1, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, - .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc_sdio, + .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, }, { @@ -690,7 +708,7 @@ static const struct pci_device_id pci_ids[] __devinitdata = { .device = PCI_DEVICE_ID_INTEL_MFD_SDIO2, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, - .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc_sdio, + .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_sdio, }, { @@ -698,7 +716,7 @@ static const struct pci_device_id pci_ids[] __devinitdata = { .device = PCI_DEVICE_ID_INTEL_MFD_EMMC0, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, - .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc_sdio, + .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, }, { @@ -706,7 +724,7 @@ static const struct pci_device_id pci_ids[] __devinitdata = { .device = PCI_DEVICE_ID_INTEL_MFD_EMMC1, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, - .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc_sdio, + .driver_data = (kernel_ulong_t)&sdhci_intel_mfd_emmc, }, { @@ -789,8 +807,34 @@ static int sdhci_pci_enable_dma(struct sdhci_host *host) return 0; } +static int sdhci_pci_8bit_width(struct sdhci_host *host, int width) +{ + u8 ctrl; + + ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); + + switch (width) { + case MMC_BUS_WIDTH_8: + ctrl |= SDHCI_CTRL_8BITBUS; + ctrl &= ~SDHCI_CTRL_4BITBUS; + break; + case MMC_BUS_WIDTH_4: + ctrl |= SDHCI_CTRL_4BITBUS; + ctrl &= ~SDHCI_CTRL_8BITBUS; + break; + default: + ctrl &= ~(SDHCI_CTRL_8BITBUS | SDHCI_CTRL_4BITBUS); + break; + } + + sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); + + return 0; +} + static struct sdhci_ops sdhci_pci_ops = { .enable_dma = sdhci_pci_enable_dma, + .platform_8bit_width = sdhci_pci_8bit_width, }; /*****************************************************************************\ diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index dbab0407f4b6..71c0ce1f6db0 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -2,6 +2,12 @@ * sdhci-pltfm.c Support for SDHCI platform devices * Copyright (c) 2009 Intel Corporation * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * Copyright (c) 2009 MontaVista Software, Inc. + * + * Authors: Xiaobo Xie <X.Xie@freescale.com> + * Anton Vorontsov <avorontsov@ru.mvista.com> + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. @@ -22,48 +28,66 @@ * Inspired by sdhci-pci.c, by Pierre Ossman */ -#include <linux/delay.h> -#include <linux/highmem.h> -#include <linux/mod_devicetable.h> -#include <linux/platform_device.h> +#include <linux/err.h> +#include <linux/of.h> +#ifdef CONFIG_PPC +#include <asm/machdep.h> +#endif +#include "sdhci-pltfm.h" -#include <linux/mmc/host.h> +static struct sdhci_ops sdhci_pltfm_ops = { +}; -#include <linux/io.h> -#include <linux/mmc/sdhci-pltfm.h> +#ifdef CONFIG_OF +static bool sdhci_of_wp_inverted(struct device_node *np) +{ + if (of_get_property(np, "sdhci,wp-inverted", NULL)) + return true; -#include "sdhci.h" -#include "sdhci-pltfm.h" + /* Old device trees don't have the wp-inverted property. */ +#ifdef CONFIG_PPC + return machine_is(mpc837x_rdb) || machine_is(mpc837x_mds); +#else + return false; +#endif /* CONFIG_PPC */ +} + +void sdhci_get_of_property(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct sdhci_host *host = platform_get_drvdata(pdev); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + const __be32 *clk; + int size; -/*****************************************************************************\ - * * - * SDHCI core callbacks * - * * -\*****************************************************************************/ + if (of_device_is_available(np)) { + if (of_get_property(np, "sdhci,auto-cmd12", NULL)) + host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12; -static struct sdhci_ops sdhci_pltfm_ops = { -}; + if (of_get_property(np, "sdhci,1-bit-only", NULL)) + host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA; -/*****************************************************************************\ - * * - * Device probing/removal * - * * -\*****************************************************************************/ + if (sdhci_of_wp_inverted(np)) + host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT; -static int __devinit sdhci_pltfm_probe(struct platform_device *pdev) + clk = of_get_property(np, "clock-frequency", &size); + if (clk && size == sizeof(*clk) && *clk) + pltfm_host->clock = be32_to_cpup(clk); + } +} +#else +void sdhci_get_of_property(struct platform_device *pdev) {} +#endif /* CONFIG_OF */ +EXPORT_SYMBOL_GPL(sdhci_get_of_property); + +struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev, + struct sdhci_pltfm_data *pdata) { - const struct platform_device_id *platid = platform_get_device_id(pdev); - struct sdhci_pltfm_data *pdata; struct sdhci_host *host; struct sdhci_pltfm_host *pltfm_host; struct resource *iomem; int ret; - if (platid && platid->driver_data) - pdata = (void *)platid->driver_data; - else - pdata = pdev->dev.platform_data; - iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!iomem) { ret = -ENOMEM; @@ -71,8 +95,7 @@ static int __devinit sdhci_pltfm_probe(struct platform_device *pdev) } if (resource_size(iomem) < 0x100) - dev_err(&pdev->dev, "Invalid iomem size. You may " - "experience problems.\n"); + dev_err(&pdev->dev, "Invalid iomem size!\n"); /* Some PCI-based MFD need the parent here */ if (pdev->dev.parent != &platform_bus) @@ -87,7 +110,7 @@ static int __devinit sdhci_pltfm_probe(struct platform_device *pdev) pltfm_host = sdhci_priv(host); - host->hw_name = "platform"; + host->hw_name = dev_name(&pdev->dev); if (pdata && pdata->ops) host->ops = pdata->ops; else @@ -110,126 +133,95 @@ static int __devinit sdhci_pltfm_probe(struct platform_device *pdev) goto err_remap; } - if (pdata && pdata->init) { - ret = pdata->init(host, pdata); - if (ret) - goto err_plat_init; - } - - ret = sdhci_add_host(host); - if (ret) - goto err_add_host; - platform_set_drvdata(pdev, host); - return 0; + return host; -err_add_host: - if (pdata && pdata->exit) - pdata->exit(host); -err_plat_init: - iounmap(host->ioaddr); err_remap: release_mem_region(iomem->start, resource_size(iomem)); err_request: sdhci_free_host(host); err: - printk(KERN_ERR"Probing of sdhci-pltfm failed: %d\n", ret); - return ret; + dev_err(&pdev->dev, "%s failed %d\n", __func__, ret); + return ERR_PTR(ret); } +EXPORT_SYMBOL_GPL(sdhci_pltfm_init); -static int __devexit sdhci_pltfm_remove(struct platform_device *pdev) +void sdhci_pltfm_free(struct platform_device *pdev) { - struct sdhci_pltfm_data *pdata = pdev->dev.platform_data; struct sdhci_host *host = platform_get_drvdata(pdev); struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - int dead; - u32 scratch; - - dead = 0; - scratch = readl(host->ioaddr + SDHCI_INT_STATUS); - if (scratch == (u32)-1) - dead = 1; - sdhci_remove_host(host, dead); - if (pdata && pdata->exit) - pdata->exit(host); iounmap(host->ioaddr); release_mem_region(iomem->start, resource_size(iomem)); sdhci_free_host(host); platform_set_drvdata(pdev, NULL); +} +EXPORT_SYMBOL_GPL(sdhci_pltfm_free); - return 0; +int sdhci_pltfm_register(struct platform_device *pdev, + struct sdhci_pltfm_data *pdata) +{ + struct sdhci_host *host; + int ret = 0; + + host = sdhci_pltfm_init(pdev, pdata); + if (IS_ERR(host)) + return PTR_ERR(host); + + sdhci_get_of_property(pdev); + + ret = sdhci_add_host(host); + if (ret) + sdhci_pltfm_free(pdev); + + return ret; } +EXPORT_SYMBOL_GPL(sdhci_pltfm_register); -static const struct platform_device_id sdhci_pltfm_ids[] = { - { "sdhci", }, -#ifdef CONFIG_MMC_SDHCI_CNS3XXX - { "sdhci-cns3xxx", (kernel_ulong_t)&sdhci_cns3xxx_pdata }, -#endif -#ifdef CONFIG_MMC_SDHCI_ESDHC_IMX - { "sdhci-esdhc-imx", (kernel_ulong_t)&sdhci_esdhc_imx_pdata }, -#endif -#ifdef CONFIG_MMC_SDHCI_DOVE - { "sdhci-dove", (kernel_ulong_t)&sdhci_dove_pdata }, -#endif -#ifdef CONFIG_MMC_SDHCI_TEGRA - { "sdhci-tegra", (kernel_ulong_t)&sdhci_tegra_pdata }, -#endif - { }, -}; -MODULE_DEVICE_TABLE(platform, sdhci_pltfm_ids); +int sdhci_pltfm_unregister(struct platform_device *pdev) +{ + struct sdhci_host *host = platform_get_drvdata(pdev); + int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff); + + sdhci_remove_host(host, dead); + sdhci_pltfm_free(pdev); + + return 0; +} +EXPORT_SYMBOL_GPL(sdhci_pltfm_unregister); #ifdef CONFIG_PM -static int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state) +int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state) { struct sdhci_host *host = platform_get_drvdata(dev); return sdhci_suspend_host(host, state); } +EXPORT_SYMBOL_GPL(sdhci_pltfm_suspend); -static int sdhci_pltfm_resume(struct platform_device *dev) +int sdhci_pltfm_resume(struct platform_device *dev) { struct sdhci_host *host = platform_get_drvdata(dev); return sdhci_resume_host(host); } -#else -#define sdhci_pltfm_suspend NULL -#define sdhci_pltfm_resume NULL +EXPORT_SYMBOL_GPL(sdhci_pltfm_resume); #endif /* CONFIG_PM */ -static struct platform_driver sdhci_pltfm_driver = { - .driver = { - .name = "sdhci", - .owner = THIS_MODULE, - }, - .probe = sdhci_pltfm_probe, - .remove = __devexit_p(sdhci_pltfm_remove), - .id_table = sdhci_pltfm_ids, - .suspend = sdhci_pltfm_suspend, - .resume = sdhci_pltfm_resume, -}; - -/*****************************************************************************\ - * * - * Driver init/exit * - * * -\*****************************************************************************/ - -static int __init sdhci_drv_init(void) +static int __init sdhci_pltfm_drv_init(void) { - return platform_driver_register(&sdhci_pltfm_driver); + pr_info("sdhci-pltfm: SDHCI platform and OF driver helper\n"); + + return 0; } +module_init(sdhci_pltfm_drv_init); -static void __exit sdhci_drv_exit(void) +static void __exit sdhci_pltfm_drv_exit(void) { - platform_driver_unregister(&sdhci_pltfm_driver); } +module_exit(sdhci_pltfm_drv_exit); -module_init(sdhci_drv_init); -module_exit(sdhci_drv_exit); - -MODULE_DESCRIPTION("Secure Digital Host Controller Interface platform driver"); -MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>"); +MODULE_DESCRIPTION("SDHCI platform and OF driver helper"); +MODULE_AUTHOR("Intel Corporation"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci-pltfm.h b/drivers/mmc/host/sdhci-pltfm.h index 2b37016ad0ac..3a9fc3f40840 100644 --- a/drivers/mmc/host/sdhci-pltfm.h +++ b/drivers/mmc/host/sdhci-pltfm.h @@ -12,17 +12,95 @@ #define _DRIVERS_MMC_SDHCI_PLTFM_H #include <linux/clk.h> -#include <linux/types.h> -#include <linux/mmc/sdhci-pltfm.h> +#include <linux/platform_device.h> +#include "sdhci.h" + +struct sdhci_pltfm_data { + struct sdhci_ops *ops; + unsigned int quirks; +}; struct sdhci_pltfm_host { struct clk *clk; void *priv; /* to handle quirks across io-accessor calls */ + + /* migrate from sdhci_of_host */ + unsigned int clock; + u16 xfer_mode_shadow; }; -extern struct sdhci_pltfm_data sdhci_cns3xxx_pdata; -extern struct sdhci_pltfm_data sdhci_esdhc_imx_pdata; -extern struct sdhci_pltfm_data sdhci_dove_pdata; -extern struct sdhci_pltfm_data sdhci_tegra_pdata; +#ifdef CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER +/* + * These accessors are designed for big endian hosts doing I/O to + * little endian controllers incorporating a 32-bit hardware byte swapper. + */ +static inline u32 sdhci_be32bs_readl(struct sdhci_host *host, int reg) +{ + return in_be32(host->ioaddr + reg); +} + +static inline u16 sdhci_be32bs_readw(struct sdhci_host *host, int reg) +{ + return in_be16(host->ioaddr + (reg ^ 0x2)); +} + +static inline u8 sdhci_be32bs_readb(struct sdhci_host *host, int reg) +{ + return in_8(host->ioaddr + (reg ^ 0x3)); +} + +static inline void sdhci_be32bs_writel(struct sdhci_host *host, + u32 val, int reg) +{ + out_be32(host->ioaddr + reg, val); +} + +static inline void sdhci_be32bs_writew(struct sdhci_host *host, + u16 val, int reg) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + int base = reg & ~0x3; + int shift = (reg & 0x2) * 8; + + switch (reg) { + case SDHCI_TRANSFER_MODE: + /* + * Postpone this write, we must do it together with a + * command write that is down below. + */ + pltfm_host->xfer_mode_shadow = val; + return; + case SDHCI_COMMAND: + sdhci_be32bs_writel(host, + val << 16 | pltfm_host->xfer_mode_shadow, + SDHCI_TRANSFER_MODE); + return; + } + clrsetbits_be32(host->ioaddr + base, 0xffff << shift, val << shift); +} + +static inline void sdhci_be32bs_writeb(struct sdhci_host *host, u8 val, int reg) +{ + int base = reg & ~0x3; + int shift = (reg & 0x3) * 8; + + clrsetbits_be32(host->ioaddr + base , 0xff << shift, val << shift); +} +#endif /* CONFIG_MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER */ + +extern void sdhci_get_of_property(struct platform_device *pdev); + +extern struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev, + struct sdhci_pltfm_data *pdata); +extern void sdhci_pltfm_free(struct platform_device *pdev); + +extern int sdhci_pltfm_register(struct platform_device *pdev, + struct sdhci_pltfm_data *pdata); +extern int sdhci_pltfm_unregister(struct platform_device *pdev); + +#ifdef CONFIG_PM +extern int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state); +extern int sdhci_pltfm_resume(struct platform_device *dev); +#endif #endif /* _DRIVERS_MMC_SDHCI_PLTFM_H */ diff --git a/drivers/mmc/host/sdhci-pxa.c b/drivers/mmc/host/sdhci-pxa.c deleted file mode 100644 index 089c9a68b7b1..000000000000 --- a/drivers/mmc/host/sdhci-pxa.c +++ /dev/null @@ -1,303 +0,0 @@ -/* linux/drivers/mmc/host/sdhci-pxa.c - * - * Copyright (C) 2010 Marvell International Ltd. - * Zhangfei Gao <zhangfei.gao@marvell.com> - * Kevin Wang <dwang4@marvell.com> - * Mingwei Wang <mwwang@marvell.com> - * Philip Rakity <prakity@marvell.com> - * Mark Brown <markb@marvell.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -/* Supports: - * SDHCI support for MMP2/PXA910/PXA168 - * - * Refer to sdhci-s3c.c. - */ - -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/mmc/host.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/err.h> -#include <plat/sdhci.h> -#include "sdhci.h" - -#define DRIVER_NAME "sdhci-pxa" - -#define SD_FIFO_PARAM 0x104 -#define DIS_PAD_SD_CLK_GATE 0x400 - -struct sdhci_pxa { - struct sdhci_host *host; - struct sdhci_pxa_platdata *pdata; - struct clk *clk; - struct resource *res; - - u8 clk_enable; -}; - -/*****************************************************************************\ - * * - * SDHCI core callbacks * - * * -\*****************************************************************************/ -static void set_clock(struct sdhci_host *host, unsigned int clock) -{ - struct sdhci_pxa *pxa = sdhci_priv(host); - u32 tmp = 0; - - if (clock == 0) { - if (pxa->clk_enable) { - clk_disable(pxa->clk); - pxa->clk_enable = 0; - } - } else { - if (0 == pxa->clk_enable) { - if (pxa->pdata->flags & PXA_FLAG_DISABLE_CLOCK_GATING) { - tmp = readl(host->ioaddr + SD_FIFO_PARAM); - tmp |= DIS_PAD_SD_CLK_GATE; - writel(tmp, host->ioaddr + SD_FIFO_PARAM); - } - clk_enable(pxa->clk); - pxa->clk_enable = 1; - } - } -} - -static int set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) -{ - u16 ctrl_2; - - /* - * Set V18_EN -- UHS modes do not work without this. - * does not change signaling voltage - */ - ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); - - /* Select Bus Speed Mode for host */ - ctrl_2 &= ~SDHCI_CTRL_UHS_MASK; - switch (uhs) { - case MMC_TIMING_UHS_SDR12: - ctrl_2 |= SDHCI_CTRL_UHS_SDR12; - break; - case MMC_TIMING_UHS_SDR25: - ctrl_2 |= SDHCI_CTRL_UHS_SDR25; - break; - case MMC_TIMING_UHS_SDR50: - ctrl_2 |= SDHCI_CTRL_UHS_SDR50 | SDHCI_CTRL_VDD_180; - break; - case MMC_TIMING_UHS_SDR104: - ctrl_2 |= SDHCI_CTRL_UHS_SDR104 | SDHCI_CTRL_VDD_180; - break; - case MMC_TIMING_UHS_DDR50: - ctrl_2 |= SDHCI_CTRL_UHS_DDR50 | SDHCI_CTRL_VDD_180; - break; - } - - sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); - pr_debug("%s:%s uhs = %d, ctrl_2 = %04X\n", - __func__, mmc_hostname(host->mmc), uhs, ctrl_2); - - return 0; -} - -static struct sdhci_ops sdhci_pxa_ops = { - .set_uhs_signaling = set_uhs_signaling, - .set_clock = set_clock, -}; - -/*****************************************************************************\ - * * - * Device probing/removal * - * * -\*****************************************************************************/ - -static int __devinit sdhci_pxa_probe(struct platform_device *pdev) -{ - struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data; - struct device *dev = &pdev->dev; - struct sdhci_host *host = NULL; - struct resource *iomem = NULL; - struct sdhci_pxa *pxa = NULL; - int ret, irq; - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(dev, "no irq specified\n"); - return irq; - } - - iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!iomem) { - dev_err(dev, "no memory specified\n"); - return -ENOENT; - } - - host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pxa)); - if (IS_ERR(host)) { - dev_err(dev, "failed to alloc host\n"); - return PTR_ERR(host); - } - - pxa = sdhci_priv(host); - pxa->host = host; - pxa->pdata = pdata; - pxa->clk_enable = 0; - - pxa->clk = clk_get(dev, "PXA-SDHCLK"); - if (IS_ERR(pxa->clk)) { - dev_err(dev, "failed to get io clock\n"); - ret = PTR_ERR(pxa->clk); - goto out; - } - - pxa->res = request_mem_region(iomem->start, resource_size(iomem), - mmc_hostname(host->mmc)); - if (!pxa->res) { - dev_err(&pdev->dev, "cannot request region\n"); - ret = -EBUSY; - goto out; - } - - host->ioaddr = ioremap(iomem->start, resource_size(iomem)); - if (!host->ioaddr) { - dev_err(&pdev->dev, "failed to remap registers\n"); - ret = -ENOMEM; - goto out; - } - - host->hw_name = "MMC"; - host->ops = &sdhci_pxa_ops; - host->irq = irq; - host->quirks = SDHCI_QUIRK_BROKEN_ADMA - | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL - | SDHCI_QUIRK_32BIT_DMA_ADDR - | SDHCI_QUIRK_32BIT_DMA_SIZE - | SDHCI_QUIRK_32BIT_ADMA_SIZE - | SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC; - - if (pdata->quirks) - host->quirks |= pdata->quirks; - - /* enable 1/8V DDR capable */ - host->mmc->caps |= MMC_CAP_1_8V_DDR; - - /* If slot design supports 8 bit data, indicate this to MMC. */ - if (pdata->flags & PXA_FLAG_SD_8_BIT_CAPABLE_SLOT) - host->mmc->caps |= MMC_CAP_8_BIT_DATA; - - ret = sdhci_add_host(host); - if (ret) { - dev_err(&pdev->dev, "failed to add host\n"); - goto out; - } - - if (pxa->pdata->max_speed) - host->mmc->f_max = pxa->pdata->max_speed; - - platform_set_drvdata(pdev, host); - - return 0; -out: - if (host) { - clk_put(pxa->clk); - if (host->ioaddr) - iounmap(host->ioaddr); - if (pxa->res) - release_mem_region(pxa->res->start, - resource_size(pxa->res)); - sdhci_free_host(host); - } - - return ret; -} - -static int __devexit sdhci_pxa_remove(struct platform_device *pdev) -{ - struct sdhci_host *host = platform_get_drvdata(pdev); - struct sdhci_pxa *pxa = sdhci_priv(host); - int dead = 0; - u32 scratch; - - if (host) { - scratch = readl(host->ioaddr + SDHCI_INT_STATUS); - if (scratch == (u32)-1) - dead = 1; - - sdhci_remove_host(host, dead); - - if (host->ioaddr) - iounmap(host->ioaddr); - if (pxa->res) - release_mem_region(pxa->res->start, - resource_size(pxa->res)); - if (pxa->clk_enable) { - clk_disable(pxa->clk); - pxa->clk_enable = 0; - } - clk_put(pxa->clk); - - sdhci_free_host(host); - platform_set_drvdata(pdev, NULL); - } - - return 0; -} - -#ifdef CONFIG_PM -static int sdhci_pxa_suspend(struct platform_device *dev, pm_message_t state) -{ - struct sdhci_host *host = platform_get_drvdata(dev); - - return sdhci_suspend_host(host, state); -} - -static int sdhci_pxa_resume(struct platform_device *dev) -{ - struct sdhci_host *host = platform_get_drvdata(dev); - - return sdhci_resume_host(host); -} -#else -#define sdhci_pxa_suspend NULL -#define sdhci_pxa_resume NULL -#endif - -static struct platform_driver sdhci_pxa_driver = { - .probe = sdhci_pxa_probe, - .remove = __devexit_p(sdhci_pxa_remove), - .suspend = sdhci_pxa_suspend, - .resume = sdhci_pxa_resume, - .driver = { - .name = DRIVER_NAME, - .owner = THIS_MODULE, - }, -}; - -/*****************************************************************************\ - * * - * Driver init/exit * - * * -\*****************************************************************************/ - -static int __init sdhci_pxa_init(void) -{ - return platform_driver_register(&sdhci_pxa_driver); -} - -static void __exit sdhci_pxa_exit(void) -{ - platform_driver_unregister(&sdhci_pxa_driver); -} - -module_init(sdhci_pxa_init); -module_exit(sdhci_pxa_exit); - -MODULE_DESCRIPTION("SDH controller driver for PXA168/PXA910/MMP2"); -MODULE_AUTHOR("Zhangfei Gao <zhangfei.gao@marvell.com>"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci-pxav2.c b/drivers/mmc/host/sdhci-pxav2.c new file mode 100644 index 000000000000..38f58994f79a --- /dev/null +++ b/drivers/mmc/host/sdhci-pxav2.c @@ -0,0 +1,244 @@ +/* + * Copyright (C) 2010 Marvell International Ltd. + * Zhangfei Gao <zhangfei.gao@marvell.com> + * Kevin Wang <dwang4@marvell.com> + * Jun Nie <njun@marvell.com> + * Qiming Wu <wuqm@marvell.com> + * Philip Rakity <prakity@marvell.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/mmc/card.h> +#include <linux/mmc/host.h> +#include <linux/platform_data/pxa_sdhci.h> +#include <linux/slab.h> +#include "sdhci.h" +#include "sdhci-pltfm.h" + +#define SD_FIFO_PARAM 0xe0 +#define DIS_PAD_SD_CLK_GATE 0x0400 /* Turn on/off Dynamic SD Clock Gating */ +#define CLK_GATE_ON 0x0200 /* Disable/enable Clock Gate */ +#define CLK_GATE_CTL 0x0100 /* Clock Gate Control */ +#define CLK_GATE_SETTING_BITS (DIS_PAD_SD_CLK_GATE | \ + CLK_GATE_ON | CLK_GATE_CTL) + +#define SD_CLOCK_BURST_SIZE_SETUP 0xe6 +#define SDCLK_SEL_SHIFT 8 +#define SDCLK_SEL_MASK 0x3 +#define SDCLK_DELAY_SHIFT 10 +#define SDCLK_DELAY_MASK 0x3c + +#define SD_CE_ATA_2 0xea +#define MMC_CARD 0x1000 +#define MMC_WIDTH 0x0100 + +static void pxav2_set_private_registers(struct sdhci_host *host, u8 mask) +{ + struct platform_device *pdev = to_platform_device(mmc_dev(host->mmc)); + struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data; + + if (mask == SDHCI_RESET_ALL) { + u16 tmp = 0; + + /* + * tune timing of read data/command when crc error happen + * no performance impact + */ + if (pdata->clk_delay_sel == 1) { + tmp = readw(host->ioaddr + SD_CLOCK_BURST_SIZE_SETUP); + + tmp &= ~(SDCLK_DELAY_MASK << SDCLK_DELAY_SHIFT); + tmp |= (pdata->clk_delay_cycles & SDCLK_DELAY_MASK) + << SDCLK_DELAY_SHIFT; + tmp &= ~(SDCLK_SEL_MASK << SDCLK_SEL_SHIFT); + tmp |= (1 & SDCLK_SEL_MASK) << SDCLK_SEL_SHIFT; + + writew(tmp, host->ioaddr + SD_CLOCK_BURST_SIZE_SETUP); + } + + if (pdata->flags & PXA_FLAG_ENABLE_CLOCK_GATING) { + tmp = readw(host->ioaddr + SD_FIFO_PARAM); + tmp &= ~CLK_GATE_SETTING_BITS; + writew(tmp, host->ioaddr + SD_FIFO_PARAM); + } else { + tmp = readw(host->ioaddr + SD_FIFO_PARAM); + tmp &= ~CLK_GATE_SETTING_BITS; + tmp |= CLK_GATE_SETTING_BITS; + writew(tmp, host->ioaddr + SD_FIFO_PARAM); + } + } +} + +static int pxav2_mmc_set_width(struct sdhci_host *host, int width) +{ + u8 ctrl; + u16 tmp; + + ctrl = readb(host->ioaddr + SDHCI_HOST_CONTROL); + tmp = readw(host->ioaddr + SD_CE_ATA_2); + if (width == MMC_BUS_WIDTH_8) { + ctrl &= ~SDHCI_CTRL_4BITBUS; + tmp |= MMC_CARD | MMC_WIDTH; + } else { + tmp &= ~(MMC_CARD | MMC_WIDTH); + if (width == MMC_BUS_WIDTH_4) + ctrl |= SDHCI_CTRL_4BITBUS; + else + ctrl &= ~SDHCI_CTRL_4BITBUS; + } + writew(tmp, host->ioaddr + SD_CE_ATA_2); + writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL); + + return 0; +} + +static u32 pxav2_get_max_clock(struct sdhci_host *host) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + + return clk_get_rate(pltfm_host->clk); +} + +static struct sdhci_ops pxav2_sdhci_ops = { + .get_max_clock = pxav2_get_max_clock, + .platform_reset_exit = pxav2_set_private_registers, + .platform_8bit_width = pxav2_mmc_set_width, +}; + +static int __devinit sdhci_pxav2_probe(struct platform_device *pdev) +{ + struct sdhci_pltfm_host *pltfm_host; + struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data; + struct device *dev = &pdev->dev; + struct sdhci_host *host = NULL; + struct sdhci_pxa *pxa = NULL; + int ret; + struct clk *clk; + + pxa = kzalloc(sizeof(struct sdhci_pxa), GFP_KERNEL); + if (!pxa) + return -ENOMEM; + + host = sdhci_pltfm_init(pdev, NULL); + if (IS_ERR(host)) { + kfree(pxa); + return PTR_ERR(host); + } + pltfm_host = sdhci_priv(host); + pltfm_host->priv = pxa; + + clk = clk_get(dev, "PXA-SDHCLK"); + if (IS_ERR(clk)) { + dev_err(dev, "failed to get io clock\n"); + ret = PTR_ERR(clk); + goto err_clk_get; + } + pltfm_host->clk = clk; + clk_enable(clk); + + host->quirks = SDHCI_QUIRK_BROKEN_ADMA + | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL + | SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN; + + if (pdata) { + if (pdata->flags & PXA_FLAG_CARD_PERMANENT) { + /* on-chip device */ + host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION; + host->mmc->caps |= MMC_CAP_NONREMOVABLE; + } + + /* If slot design supports 8 bit data, indicate this to MMC. */ + if (pdata->flags & PXA_FLAG_SD_8_BIT_CAPABLE_SLOT) + host->mmc->caps |= MMC_CAP_8_BIT_DATA; + + if (pdata->quirks) + host->quirks |= pdata->quirks; + if (pdata->host_caps) + host->mmc->caps |= pdata->host_caps; + if (pdata->pm_caps) + host->mmc->pm_caps |= pdata->pm_caps; + } + + host->ops = &pxav2_sdhci_ops; + + ret = sdhci_add_host(host); + if (ret) { + dev_err(&pdev->dev, "failed to add host\n"); + goto err_add_host; + } + + platform_set_drvdata(pdev, host); + + return 0; + +err_add_host: + clk_disable(clk); + clk_put(clk); +err_clk_get: + sdhci_pltfm_free(pdev); + kfree(pxa); + return ret; +} + +static int __devexit sdhci_pxav2_remove(struct platform_device *pdev) +{ + struct sdhci_host *host = platform_get_drvdata(pdev); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_pxa *pxa = pltfm_host->priv; + + sdhci_remove_host(host, 1); + + clk_disable(pltfm_host->clk); + clk_put(pltfm_host->clk); + sdhci_pltfm_free(pdev); + kfree(pxa); + + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver sdhci_pxav2_driver = { + .driver = { + .name = "sdhci-pxav2", + .owner = THIS_MODULE, + }, + .probe = sdhci_pxav2_probe, + .remove = __devexit_p(sdhci_pxav2_remove), +#ifdef CONFIG_PM + .suspend = sdhci_pltfm_suspend, + .resume = sdhci_pltfm_resume, +#endif +}; +static int __init sdhci_pxav2_init(void) +{ + return platform_driver_register(&sdhci_pxav2_driver); +} + +static void __exit sdhci_pxav2_exit(void) +{ + platform_driver_unregister(&sdhci_pxav2_driver); +} + +module_init(sdhci_pxav2_init); +module_exit(sdhci_pxav2_exit); + +MODULE_DESCRIPTION("SDHCI driver for pxav2"); +MODULE_AUTHOR("Marvell International Ltd."); +MODULE_LICENSE("GPL v2"); + diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c new file mode 100644 index 000000000000..4198dbbc5c20 --- /dev/null +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -0,0 +1,289 @@ +/* + * Copyright (C) 2010 Marvell International Ltd. + * Zhangfei Gao <zhangfei.gao@marvell.com> + * Kevin Wang <dwang4@marvell.com> + * Mingwei Wang <mwwang@marvell.com> + * Philip Rakity <prakity@marvell.com> + * Mark Brown <markb@marvell.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ +#include <linux/err.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/mmc/card.h> +#include <linux/mmc/host.h> +#include <linux/platform_data/pxa_sdhci.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include "sdhci.h" +#include "sdhci-pltfm.h" + +#define SD_CLOCK_BURST_SIZE_SETUP 0x10A +#define SDCLK_SEL 0x100 +#define SDCLK_DELAY_SHIFT 9 +#define SDCLK_DELAY_MASK 0x1f + +#define SD_CFG_FIFO_PARAM 0x100 +#define SDCFG_GEN_PAD_CLK_ON (1<<6) +#define SDCFG_GEN_PAD_CLK_CNT_MASK 0xFF +#define SDCFG_GEN_PAD_CLK_CNT_SHIFT 24 + +#define SD_SPI_MODE 0x108 +#define SD_CE_ATA_1 0x10C + +#define SD_CE_ATA_2 0x10E +#define SDCE_MISC_INT (1<<2) +#define SDCE_MISC_INT_EN (1<<1) + +static void pxav3_set_private_registers(struct sdhci_host *host, u8 mask) +{ + struct platform_device *pdev = to_platform_device(mmc_dev(host->mmc)); + struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data; + + if (mask == SDHCI_RESET_ALL) { + /* + * tune timing of read data/command when crc error happen + * no performance impact + */ + if (pdata && 0 != pdata->clk_delay_cycles) { + u16 tmp; + + tmp = readw(host->ioaddr + SD_CLOCK_BURST_SIZE_SETUP); + tmp |= (pdata->clk_delay_cycles & SDCLK_DELAY_MASK) + << SDCLK_DELAY_SHIFT; + tmp |= SDCLK_SEL; + writew(tmp, host->ioaddr + SD_CLOCK_BURST_SIZE_SETUP); + } + } +} + +#define MAX_WAIT_COUNT 5 +static void pxav3_gen_init_74_clocks(struct sdhci_host *host, u8 power_mode) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_pxa *pxa = pltfm_host->priv; + u16 tmp; + int count; + + if (pxa->power_mode == MMC_POWER_UP + && power_mode == MMC_POWER_ON) { + + dev_dbg(mmc_dev(host->mmc), + "%s: slot->power_mode = %d," + "ios->power_mode = %d\n", + __func__, + pxa->power_mode, + power_mode); + + /* set we want notice of when 74 clocks are sent */ + tmp = readw(host->ioaddr + SD_CE_ATA_2); + tmp |= SDCE_MISC_INT_EN; + writew(tmp, host->ioaddr + SD_CE_ATA_2); + + /* start sending the 74 clocks */ + tmp = readw(host->ioaddr + SD_CFG_FIFO_PARAM); + tmp |= SDCFG_GEN_PAD_CLK_ON; + writew(tmp, host->ioaddr + SD_CFG_FIFO_PARAM); + + /* slowest speed is about 100KHz or 10usec per clock */ + udelay(740); + count = 0; + + while (count++ < MAX_WAIT_COUNT) { + if ((readw(host->ioaddr + SD_CE_ATA_2) + & SDCE_MISC_INT) == 0) + break; + udelay(10); + } + + if (count == MAX_WAIT_COUNT) + dev_warn(mmc_dev(host->mmc), "74 clock interrupt not cleared\n"); + + /* clear the interrupt bit if posted */ + tmp = readw(host->ioaddr + SD_CE_ATA_2); + tmp |= SDCE_MISC_INT; + writew(tmp, host->ioaddr + SD_CE_ATA_2); + } + pxa->power_mode = power_mode; +} + +static int pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) +{ + u16 ctrl_2; + + /* + * Set V18_EN -- UHS modes do not work without this. + * does not change signaling voltage + */ + ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); + + /* Select Bus Speed Mode for host */ + ctrl_2 &= ~SDHCI_CTRL_UHS_MASK; + switch (uhs) { + case MMC_TIMING_UHS_SDR12: + ctrl_2 |= SDHCI_CTRL_UHS_SDR12; + break; + case MMC_TIMING_UHS_SDR25: + ctrl_2 |= SDHCI_CTRL_UHS_SDR25; + break; + case MMC_TIMING_UHS_SDR50: + ctrl_2 |= SDHCI_CTRL_UHS_SDR50 | SDHCI_CTRL_VDD_180; + break; + case MMC_TIMING_UHS_SDR104: + ctrl_2 |= SDHCI_CTRL_UHS_SDR104 | SDHCI_CTRL_VDD_180; + break; + case MMC_TIMING_UHS_DDR50: + ctrl_2 |= SDHCI_CTRL_UHS_DDR50 | SDHCI_CTRL_VDD_180; + break; + } + + sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); + dev_dbg(mmc_dev(host->mmc), + "%s uhs = %d, ctrl_2 = %04X\n", + __func__, uhs, ctrl_2); + + return 0; +} + +static struct sdhci_ops pxav3_sdhci_ops = { + .platform_reset_exit = pxav3_set_private_registers, + .set_uhs_signaling = pxav3_set_uhs_signaling, + .platform_send_init_74_clocks = pxav3_gen_init_74_clocks, +}; + +static int __devinit sdhci_pxav3_probe(struct platform_device *pdev) +{ + struct sdhci_pltfm_host *pltfm_host; + struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data; + struct device *dev = &pdev->dev; + struct sdhci_host *host = NULL; + struct sdhci_pxa *pxa = NULL; + int ret; + struct clk *clk; + + pxa = kzalloc(sizeof(struct sdhci_pxa), GFP_KERNEL); + if (!pxa) + return -ENOMEM; + + host = sdhci_pltfm_init(pdev, NULL); + if (IS_ERR(host)) { + kfree(pxa); + return PTR_ERR(host); + } + pltfm_host = sdhci_priv(host); + pltfm_host->priv = pxa; + + clk = clk_get(dev, "PXA-SDHCLK"); + if (IS_ERR(clk)) { + dev_err(dev, "failed to get io clock\n"); + ret = PTR_ERR(clk); + goto err_clk_get; + } + pltfm_host->clk = clk; + clk_enable(clk); + + host->quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL + | SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC; + + /* enable 1/8V DDR capable */ + host->mmc->caps |= MMC_CAP_1_8V_DDR; + + if (pdata) { + if (pdata->flags & PXA_FLAG_CARD_PERMANENT) { + /* on-chip device */ + host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION; + host->mmc->caps |= MMC_CAP_NONREMOVABLE; + } + + /* If slot design supports 8 bit data, indicate this to MMC. */ + if (pdata->flags & PXA_FLAG_SD_8_BIT_CAPABLE_SLOT) + host->mmc->caps |= MMC_CAP_8_BIT_DATA; + + if (pdata->quirks) + host->quirks |= pdata->quirks; + if (pdata->host_caps) + host->mmc->caps |= pdata->host_caps; + if (pdata->pm_caps) + host->mmc->pm_caps |= pdata->pm_caps; + } + + host->ops = &pxav3_sdhci_ops; + + ret = sdhci_add_host(host); + if (ret) { + dev_err(&pdev->dev, "failed to add host\n"); + goto err_add_host; + } + + platform_set_drvdata(pdev, host); + + return 0; + +err_add_host: + clk_disable(clk); + clk_put(clk); +err_clk_get: + sdhci_pltfm_free(pdev); + kfree(pxa); + return ret; +} + +static int __devexit sdhci_pxav3_remove(struct platform_device *pdev) +{ + struct sdhci_host *host = platform_get_drvdata(pdev); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_pxa *pxa = pltfm_host->priv; + + sdhci_remove_host(host, 1); + + clk_disable(pltfm_host->clk); + clk_put(pltfm_host->clk); + sdhci_pltfm_free(pdev); + kfree(pxa); + + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver sdhci_pxav3_driver = { + .driver = { + .name = "sdhci-pxav3", + .owner = THIS_MODULE, + }, + .probe = sdhci_pxav3_probe, + .remove = __devexit_p(sdhci_pxav3_remove), +#ifdef CONFIG_PM + .suspend = sdhci_pltfm_suspend, + .resume = sdhci_pltfm_resume, +#endif +}; +static int __init sdhci_pxav3_init(void) +{ + return platform_driver_register(&sdhci_pxav3_driver); +} + +static void __exit sdhci_pxav3_exit(void) +{ + platform_driver_unregister(&sdhci_pxav3_driver); +} + +module_init(sdhci_pxav3_init); +module_exit(sdhci_pxav3_exit); + +MODULE_DESCRIPTION("SDHCI driver for pxav3"); +MODULE_AUTHOR("Marvell International Ltd."); +MODULE_LICENSE("GPL v2"); + diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 69e3ee321eb5..460ffaf0f6d7 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -612,16 +612,14 @@ static int sdhci_s3c_suspend(struct platform_device *dev, pm_message_t pm) { struct sdhci_host *host = platform_get_drvdata(dev); - sdhci_suspend_host(host, pm); - return 0; + return sdhci_suspend_host(host, pm); } static int sdhci_s3c_resume(struct platform_device *dev) { struct sdhci_host *host = platform_get_drvdata(dev); - sdhci_resume_host(host); - return 0; + return sdhci_resume_host(host); } #else diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 343c97edba32..18b0bd31de78 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -24,7 +24,6 @@ #include <mach/gpio.h> #include <mach/sdhci.h> -#include "sdhci.h" #include "sdhci-pltfm.h" static u32 tegra_sdhci_readl(struct sdhci_host *host, int reg) @@ -116,20 +115,42 @@ static int tegra_sdhci_8bit(struct sdhci_host *host, int bus_width) return 0; } +static struct sdhci_ops tegra_sdhci_ops = { + .get_ro = tegra_sdhci_get_ro, + .read_l = tegra_sdhci_readl, + .read_w = tegra_sdhci_readw, + .write_l = tegra_sdhci_writel, + .platform_8bit_width = tegra_sdhci_8bit, +}; + +static struct sdhci_pltfm_data sdhci_tegra_pdata = { + .quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | + SDHCI_QUIRK_SINGLE_POWER_WRITE | + SDHCI_QUIRK_NO_HISPD_BIT | + SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC, + .ops = &tegra_sdhci_ops, +}; -static int tegra_sdhci_pltfm_init(struct sdhci_host *host, - struct sdhci_pltfm_data *pdata) +static int __devinit sdhci_tegra_probe(struct platform_device *pdev) { - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct platform_device *pdev = to_platform_device(mmc_dev(host->mmc)); + struct sdhci_pltfm_host *pltfm_host; struct tegra_sdhci_platform_data *plat; + struct sdhci_host *host; struct clk *clk; int rc; + host = sdhci_pltfm_init(pdev, &sdhci_tegra_pdata); + if (IS_ERR(host)) + return PTR_ERR(host); + + pltfm_host = sdhci_priv(host); + plat = pdev->dev.platform_data; + if (plat == NULL) { dev_err(mmc_dev(host->mmc), "missing platform data\n"); - return -ENXIO; + rc = -ENXIO; + goto err_no_plat; } if (gpio_is_valid(plat->power_gpio)) { @@ -137,7 +158,7 @@ static int tegra_sdhci_pltfm_init(struct sdhci_host *host, if (rc) { dev_err(mmc_dev(host->mmc), "failed to allocate power gpio\n"); - goto out; + goto err_power_req; } tegra_gpio_enable(plat->power_gpio); gpio_direction_output(plat->power_gpio, 1); @@ -148,7 +169,7 @@ static int tegra_sdhci_pltfm_init(struct sdhci_host *host, if (rc) { dev_err(mmc_dev(host->mmc), "failed to allocate cd gpio\n"); - goto out_power; + goto err_cd_req; } tegra_gpio_enable(plat->cd_gpio); gpio_direction_input(plat->cd_gpio); @@ -159,7 +180,7 @@ static int tegra_sdhci_pltfm_init(struct sdhci_host *host, if (rc) { dev_err(mmc_dev(host->mmc), "request irq error\n"); - goto out_cd; + goto err_cd_irq_req; } } @@ -169,7 +190,7 @@ static int tegra_sdhci_pltfm_init(struct sdhci_host *host, if (rc) { dev_err(mmc_dev(host->mmc), "failed to allocate wp gpio\n"); - goto out_irq; + goto err_wp_req; } tegra_gpio_enable(plat->wp_gpio); gpio_direction_input(plat->wp_gpio); @@ -179,7 +200,7 @@ static int tegra_sdhci_pltfm_init(struct sdhci_host *host, if (IS_ERR(clk)) { dev_err(mmc_dev(host->mmc), "clk err\n"); rc = PTR_ERR(clk); - goto out_wp; + goto err_clk_get; } clk_enable(clk); pltfm_host->clk = clk; @@ -189,38 +210,47 @@ static int tegra_sdhci_pltfm_init(struct sdhci_host *host, if (plat->is_8bit) host->mmc->caps |= MMC_CAP_8_BIT_DATA; + rc = sdhci_add_host(host); + if (rc) + goto err_add_host; + return 0; -out_wp: +err_add_host: + clk_disable(pltfm_host->clk); + clk_put(pltfm_host->clk); +err_clk_get: if (gpio_is_valid(plat->wp_gpio)) { tegra_gpio_disable(plat->wp_gpio); gpio_free(plat->wp_gpio); } - -out_irq: +err_wp_req: if (gpio_is_valid(plat->cd_gpio)) free_irq(gpio_to_irq(plat->cd_gpio), host); -out_cd: +err_cd_irq_req: if (gpio_is_valid(plat->cd_gpio)) { tegra_gpio_disable(plat->cd_gpio); gpio_free(plat->cd_gpio); } - -out_power: +err_cd_req: if (gpio_is_valid(plat->power_gpio)) { tegra_gpio_disable(plat->power_gpio); gpio_free(plat->power_gpio); } - -out: +err_power_req: +err_no_plat: + sdhci_pltfm_free(pdev); return rc; } -static void tegra_sdhci_pltfm_exit(struct sdhci_host *host) +static int __devexit sdhci_tegra_remove(struct platform_device *pdev) { + struct sdhci_host *host = platform_get_drvdata(pdev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct platform_device *pdev = to_platform_device(mmc_dev(host->mmc)); struct tegra_sdhci_platform_data *plat; + int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff); + + sdhci_remove_host(host, dead); plat = pdev->dev.platform_data; @@ -242,22 +272,37 @@ static void tegra_sdhci_pltfm_exit(struct sdhci_host *host) clk_disable(pltfm_host->clk); clk_put(pltfm_host->clk); + + sdhci_pltfm_free(pdev); + + return 0; } -static struct sdhci_ops tegra_sdhci_ops = { - .get_ro = tegra_sdhci_get_ro, - .read_l = tegra_sdhci_readl, - .read_w = tegra_sdhci_readw, - .write_l = tegra_sdhci_writel, - .platform_8bit_width = tegra_sdhci_8bit, +static struct platform_driver sdhci_tegra_driver = { + .driver = { + .name = "sdhci-tegra", + .owner = THIS_MODULE, + }, + .probe = sdhci_tegra_probe, + .remove = __devexit_p(sdhci_tegra_remove), +#ifdef CONFIG_PM + .suspend = sdhci_pltfm_suspend, + .resume = sdhci_pltfm_resume, +#endif }; -struct sdhci_pltfm_data sdhci_tegra_pdata = { - .quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | - SDHCI_QUIRK_SINGLE_POWER_WRITE | - SDHCI_QUIRK_NO_HISPD_BIT | - SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC, - .ops = &tegra_sdhci_ops, - .init = tegra_sdhci_pltfm_init, - .exit = tegra_sdhci_pltfm_exit, -}; +static int __init sdhci_tegra_init(void) +{ + return platform_driver_register(&sdhci_tegra_driver); +} +module_init(sdhci_tegra_init); + +static void __exit sdhci_tegra_exit(void) +{ + platform_driver_unregister(&sdhci_tegra_driver); +} +module_exit(sdhci_tegra_exit); + +MODULE_DESCRIPTION("SDHCI driver for Tegra"); +MODULE_AUTHOR(" Google, Inc."); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 58d5436ff649..c31a3343340d 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -127,11 +127,15 @@ static void sdhci_mask_irqs(struct sdhci_host *host, u32 irqs) static void sdhci_set_card_detection(struct sdhci_host *host, bool enable) { - u32 irqs = SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT; + u32 present, irqs; if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) return; + present = sdhci_readl(host, SDHCI_PRESENT_STATE) & + SDHCI_CARD_PRESENT; + irqs = present ? SDHCI_INT_CARD_REMOVE : SDHCI_INT_CARD_INSERT; + if (enable) sdhci_unmask_irqs(host, irqs); else @@ -2154,13 +2158,30 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id) mmc_hostname(host->mmc), intmask); if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) { + u32 present = sdhci_readl(host, SDHCI_PRESENT_STATE) & + SDHCI_CARD_PRESENT; + + /* + * There is a observation on i.mx esdhc. INSERT bit will be + * immediately set again when it gets cleared, if a card is + * inserted. We have to mask the irq to prevent interrupt + * storm which will freeze the system. And the REMOVE gets + * the same situation. + * + * More testing are needed here to ensure it works for other + * platforms though. + */ + sdhci_mask_irqs(host, present ? SDHCI_INT_CARD_INSERT : + SDHCI_INT_CARD_REMOVE); + sdhci_unmask_irqs(host, present ? SDHCI_INT_CARD_REMOVE : + SDHCI_INT_CARD_INSERT); + sdhci_writel(host, intmask & (SDHCI_INT_CARD_INSERT | - SDHCI_INT_CARD_REMOVE), SDHCI_INT_STATUS); + SDHCI_INT_CARD_REMOVE), SDHCI_INT_STATUS); + intmask &= ~(SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE); tasklet_schedule(&host->card_tasklet); } - intmask &= ~(SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE); - if (intmask & SDHCI_INT_CMD_MASK) { sdhci_writel(host, intmask & SDHCI_INT_CMD_MASK, SDHCI_INT_STATUS); @@ -2488,6 +2509,11 @@ int sdhci_add_host(struct sdhci_host *host) } else mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200; + if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK) + mmc->max_discard_to = (1 << 27) / (mmc->f_max / 1000); + else + mmc->max_discard_to = (1 << 27) / host->timeout_clk; + mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_ERASE | MMC_CAP_CMD23; if (host->quirks & SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12) diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 14f8edbaa195..557886bee9ce 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -175,6 +175,7 @@ struct sh_mmcif_host { enum mmcif_state state; spinlock_t lock; bool power; + bool card_present; /* DMA support */ struct dma_chan *chan_rx; @@ -877,23 +878,23 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) spin_unlock_irqrestore(&host->lock, flags); if (ios->power_mode == MMC_POWER_UP) { - if (p->set_pwr) - p->set_pwr(host->pd, ios->power_mode); - if (!host->power) { + if (!host->card_present) { /* See if we also get DMA */ sh_mmcif_request_dma(host, host->pd->dev.platform_data); - pm_runtime_get_sync(&host->pd->dev); - host->power = true; + host->card_present = true; } } else if (ios->power_mode == MMC_POWER_OFF || !ios->clock) { /* clock stop */ sh_mmcif_clock_control(host, 0); if (ios->power_mode == MMC_POWER_OFF) { - if (host->power) { - pm_runtime_put(&host->pd->dev); + if (host->card_present) { sh_mmcif_release_dma(host); - host->power = false; + host->card_present = false; } + } + if (host->power) { + pm_runtime_put(&host->pd->dev); + host->power = false; if (p->down_pwr) p->down_pwr(host->pd); } @@ -901,8 +902,16 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) return; } - if (ios->clock) + if (ios->clock) { + if (!host->power) { + if (p->set_pwr) + p->set_pwr(host->pd, ios->power_mode); + pm_runtime_get_sync(&host->pd->dev); + host->power = true; + sh_mmcif_sync_reset(host); + } sh_mmcif_clock_control(host, ios->clock); + } host->bus_width = ios->bus_width; host->state = STATE_IDLE; diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c index ce500f03df85..774f6439d7ce 100644 --- a/drivers/mmc/host/sh_mobile_sdhi.c +++ b/drivers/mmc/host/sh_mobile_sdhi.c @@ -26,6 +26,7 @@ #include <linux/mmc/sh_mobile_sdhi.h> #include <linux/mfd/tmio.h> #include <linux/sh_dma.h> +#include <linux/delay.h> #include "tmio_mmc.h" @@ -55,6 +56,39 @@ static int sh_mobile_sdhi_get_cd(struct platform_device *pdev) return -ENOSYS; } +static int sh_mobile_sdhi_wait_idle(struct tmio_mmc_host *host) +{ + int timeout = 1000; + + while (--timeout && !(sd_ctrl_read16(host, CTL_STATUS2) & (1 << 13))) + udelay(1); + + if (!timeout) { + dev_warn(host->pdata->dev, "timeout waiting for SD bus idle\n"); + return -EBUSY; + } + + return 0; +} + +static int sh_mobile_sdhi_write16_hook(struct tmio_mmc_host *host, int addr) +{ + switch (addr) + { + case CTL_SD_CMD: + case CTL_STOP_INTERNAL_ACTION: + case CTL_XFER_BLK_COUNT: + case CTL_SD_CARD_CLK_CTL: + case CTL_SD_XFER_LEN: + case CTL_SD_MEM_CARD_OPT: + case CTL_TRANSACTION_CTL: + case CTL_DMA_ENABLE: + return sh_mobile_sdhi_wait_idle(host); + } + + return 0; +} + static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) { struct sh_mobile_sdhi *priv; @@ -86,6 +120,8 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) mmc_data->hclk = clk_get_rate(priv->clk); mmc_data->set_pwr = sh_mobile_sdhi_set_pwr; mmc_data->get_cd = sh_mobile_sdhi_get_cd; + if (mmc_data->flags & TMIO_MMC_HAS_IDLE_WAIT) + mmc_data->write16_hook = sh_mobile_sdhi_write16_hook; mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED; if (p) { mmc_data->flags = p->tmio_flags; diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index 8260bc2c34e3..087d88023ba1 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -18,6 +18,7 @@ #include <linux/highmem.h> #include <linux/mmc/tmio.h> +#include <linux/mutex.h> #include <linux/pagemap.h> #include <linux/spinlock.h> @@ -52,6 +53,8 @@ struct tmio_mmc_host { void (*set_clk_div)(struct platform_device *host, int state); int pm_error; + /* recognise system-wide suspend in runtime PM methods */ + bool pm_global; /* pio related stuff */ struct scatterlist *sg_ptr; @@ -73,8 +76,11 @@ struct tmio_mmc_host { /* Track lost interrupts */ struct delayed_work delayed_reset_work; - spinlock_t lock; + struct work_struct done; + + spinlock_t lock; /* protect host private data */ unsigned long last_req_ts; + struct mutex ios_lock; /* protect set_ios() context */ }; int tmio_mmc_host_probe(struct tmio_mmc_host **host, @@ -103,6 +109,7 @@ static inline void tmio_mmc_kunmap_atomic(struct scatterlist *sg, #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE) void tmio_mmc_start_dma(struct tmio_mmc_host *host, struct mmc_data *data); +void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable); void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata); void tmio_mmc_release_dma(struct tmio_mmc_host *host); #else @@ -111,6 +118,10 @@ static inline void tmio_mmc_start_dma(struct tmio_mmc_host *host, { } +static inline void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable) +{ +} + static inline void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata) { @@ -134,4 +145,44 @@ int tmio_mmc_host_resume(struct device *dev); int tmio_mmc_host_runtime_suspend(struct device *dev); int tmio_mmc_host_runtime_resume(struct device *dev); +static inline u16 sd_ctrl_read16(struct tmio_mmc_host *host, int addr) +{ + return readw(host->ctl + (addr << host->bus_shift)); +} + +static inline void sd_ctrl_read16_rep(struct tmio_mmc_host *host, int addr, + u16 *buf, int count) +{ + readsw(host->ctl + (addr << host->bus_shift), buf, count); +} + +static inline u32 sd_ctrl_read32(struct tmio_mmc_host *host, int addr) +{ + return readw(host->ctl + (addr << host->bus_shift)) | + readw(host->ctl + ((addr + 2) << host->bus_shift)) << 16; +} + +static inline void sd_ctrl_write16(struct tmio_mmc_host *host, int addr, u16 val) +{ + /* If there is a hook and it returns non-zero then there + * is an error and the write should be skipped + */ + if (host->pdata->write16_hook && host->pdata->write16_hook(host, addr)) + return; + writew(val, host->ctl + (addr << host->bus_shift)); +} + +static inline void sd_ctrl_write16_rep(struct tmio_mmc_host *host, int addr, + u16 *buf, int count) +{ + writesw(host->ctl + (addr << host->bus_shift), buf, count); +} + +static inline void sd_ctrl_write32(struct tmio_mmc_host *host, int addr, u32 val) +{ + writew(val, host->ctl + (addr << host->bus_shift)); + writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift)); +} + + #endif diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c index 25f1ad6cbe09..2aa616dec32d 100644 --- a/drivers/mmc/host/tmio_mmc_dma.c +++ b/drivers/mmc/host/tmio_mmc_dma.c @@ -22,11 +22,14 @@ #define TMIO_MMC_MIN_DMA_LEN 8 -static void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable) +void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable) { + if (!host->chan_tx || !host->chan_rx) + return; + #if defined(CONFIG_SUPERH) || defined(CONFIG_ARCH_SHMOBILE) /* Switch DMA mode on or off - SuperH specific? */ - writew(enable ? 2 : 0, host->ctl + (0xd8 << host->bus_shift)); + sd_ctrl_write16(host, CTL_DMA_ENABLE, enable ? 2 : 0); #endif } diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index 0b09e8239aa0..1f16357e7301 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -46,40 +46,6 @@ #include "tmio_mmc.h" -static u16 sd_ctrl_read16(struct tmio_mmc_host *host, int addr) -{ - return readw(host->ctl + (addr << host->bus_shift)); -} - -static void sd_ctrl_read16_rep(struct tmio_mmc_host *host, int addr, - u16 *buf, int count) -{ - readsw(host->ctl + (addr << host->bus_shift), buf, count); -} - -static u32 sd_ctrl_read32(struct tmio_mmc_host *host, int addr) -{ - return readw(host->ctl + (addr << host->bus_shift)) | - readw(host->ctl + ((addr + 2) << host->bus_shift)) << 16; -} - -static void sd_ctrl_write16(struct tmio_mmc_host *host, int addr, u16 val) -{ - writew(val, host->ctl + (addr << host->bus_shift)); -} - -static void sd_ctrl_write16_rep(struct tmio_mmc_host *host, int addr, - u16 *buf, int count) -{ - writesw(host->ctl + (addr << host->bus_shift), buf, count); -} - -static void sd_ctrl_write32(struct tmio_mmc_host *host, int addr, u32 val) -{ - writew(val, host->ctl + (addr << host->bus_shift)); - writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift)); -} - void tmio_mmc_enable_mmc_irqs(struct tmio_mmc_host *host, u32 i) { u32 mask = sd_ctrl_read32(host, CTL_IRQ_MASK) & ~(i & TMIO_MASK_IRQ); @@ -284,10 +250,16 @@ static void tmio_mmc_reset_work(struct work_struct *work) /* called with host->lock held, interrupts disabled */ static void tmio_mmc_finish_request(struct tmio_mmc_host *host) { - struct mmc_request *mrq = host->mrq; + struct mmc_request *mrq; + unsigned long flags; + + spin_lock_irqsave(&host->lock, flags); - if (!mrq) + mrq = host->mrq; + if (IS_ERR_OR_NULL(mrq)) { + spin_unlock_irqrestore(&host->lock, flags); return; + } host->cmd = NULL; host->data = NULL; @@ -296,11 +268,18 @@ static void tmio_mmc_finish_request(struct tmio_mmc_host *host) cancel_delayed_work(&host->delayed_reset_work); host->mrq = NULL; + spin_unlock_irqrestore(&host->lock, flags); - /* FIXME: mmc_request_done() can schedule! */ mmc_request_done(host->mmc, mrq); } +static void tmio_mmc_done_work(struct work_struct *work) +{ + struct tmio_mmc_host *host = container_of(work, struct tmio_mmc_host, + done); + tmio_mmc_finish_request(host); +} + /* These are the bitmasks the tmio chip requires to implement the MMC response * types. Note that R1 and R6 are the same in this scheme. */ #define APP_CMD 0x0040 @@ -467,7 +446,7 @@ void tmio_mmc_do_data_irq(struct tmio_mmc_host *host) BUG(); } - tmio_mmc_finish_request(host); + schedule_work(&host->done); } static void tmio_mmc_data_irq(struct tmio_mmc_host *host) @@ -557,7 +536,7 @@ static void tmio_mmc_cmd_irq(struct tmio_mmc_host *host, tasklet_schedule(&host->dma_issue); } } else { - tmio_mmc_finish_request(host); + schedule_work(&host->done); } out: @@ -567,6 +546,7 @@ out: irqreturn_t tmio_mmc_irq(int irq, void *devid) { struct tmio_mmc_host *host = devid; + struct mmc_host *mmc = host->mmc; struct tmio_mmc_data *pdata = host->pdata; unsigned int ireg, irq_mask, status; unsigned int sdio_ireg, sdio_irq_mask, sdio_status; @@ -588,13 +568,13 @@ irqreturn_t tmio_mmc_irq(int irq, void *devid) if (sdio_ireg && !host->sdio_irq_enabled) { pr_warning("tmio_mmc: Spurious SDIO IRQ, disabling! 0x%04x 0x%04x 0x%04x\n", sdio_status, sdio_irq_mask, sdio_ireg); - tmio_mmc_enable_sdio_irq(host->mmc, 0); + tmio_mmc_enable_sdio_irq(mmc, 0); goto out; } - if (host->mmc->caps & MMC_CAP_SDIO_IRQ && + if (mmc->caps & MMC_CAP_SDIO_IRQ && sdio_ireg & TMIO_SDIO_STAT_IOIRQ) - mmc_signal_sdio_irq(host->mmc); + mmc_signal_sdio_irq(mmc); if (sdio_ireg) goto out; @@ -603,58 +583,49 @@ irqreturn_t tmio_mmc_irq(int irq, void *devid) pr_debug_status(status); pr_debug_status(ireg); - if (!ireg) { - tmio_mmc_disable_mmc_irqs(host, status & ~irq_mask); - - pr_warning("tmio_mmc: Spurious irq, disabling! " - "0x%08x 0x%08x 0x%08x\n", status, irq_mask, ireg); - pr_debug_status(status); - + /* Card insert / remove attempts */ + if (ireg & (TMIO_STAT_CARD_INSERT | TMIO_STAT_CARD_REMOVE)) { + tmio_mmc_ack_mmc_irqs(host, TMIO_STAT_CARD_INSERT | + TMIO_STAT_CARD_REMOVE); + if ((((ireg & TMIO_STAT_CARD_REMOVE) && mmc->card) || + ((ireg & TMIO_STAT_CARD_INSERT) && !mmc->card)) && + !work_pending(&mmc->detect.work)) + mmc_detect_change(host->mmc, msecs_to_jiffies(100)); goto out; } - while (ireg) { - /* Card insert / remove attempts */ - if (ireg & (TMIO_STAT_CARD_INSERT | TMIO_STAT_CARD_REMOVE)) { - tmio_mmc_ack_mmc_irqs(host, TMIO_STAT_CARD_INSERT | - TMIO_STAT_CARD_REMOVE); - mmc_detect_change(host->mmc, msecs_to_jiffies(100)); - } - - /* CRC and other errors */ -/* if (ireg & TMIO_STAT_ERR_IRQ) - * handled |= tmio_error_irq(host, irq, stat); + /* CRC and other errors */ +/* if (ireg & TMIO_STAT_ERR_IRQ) + * handled |= tmio_error_irq(host, irq, stat); */ - /* Command completion */ - if (ireg & (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT)) { - tmio_mmc_ack_mmc_irqs(host, - TMIO_STAT_CMDRESPEND | - TMIO_STAT_CMDTIMEOUT); - tmio_mmc_cmd_irq(host, status); - } - - /* Data transfer */ - if (ireg & (TMIO_STAT_RXRDY | TMIO_STAT_TXRQ)) { - tmio_mmc_ack_mmc_irqs(host, TMIO_STAT_RXRDY | TMIO_STAT_TXRQ); - tmio_mmc_pio_irq(host); - } - - /* Data transfer completion */ - if (ireg & TMIO_STAT_DATAEND) { - tmio_mmc_ack_mmc_irqs(host, TMIO_STAT_DATAEND); - tmio_mmc_data_irq(host); - } + /* Command completion */ + if (ireg & (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT)) { + tmio_mmc_ack_mmc_irqs(host, + TMIO_STAT_CMDRESPEND | + TMIO_STAT_CMDTIMEOUT); + tmio_mmc_cmd_irq(host, status); + goto out; + } - /* Check status - keep going until we've handled it all */ - status = sd_ctrl_read32(host, CTL_STATUS); - irq_mask = sd_ctrl_read32(host, CTL_IRQ_MASK); - ireg = status & TMIO_MASK_IRQ & ~irq_mask; + /* Data transfer */ + if (ireg & (TMIO_STAT_RXRDY | TMIO_STAT_TXRQ)) { + tmio_mmc_ack_mmc_irqs(host, TMIO_STAT_RXRDY | TMIO_STAT_TXRQ); + tmio_mmc_pio_irq(host); + goto out; + } - pr_debug("Status at end of loop: %08x\n", status); - pr_debug_status(status); + /* Data transfer completion */ + if (ireg & TMIO_STAT_DATAEND) { + tmio_mmc_ack_mmc_irqs(host, TMIO_STAT_DATAEND); + tmio_mmc_data_irq(host); + goto out; } - pr_debug("MMC IRQ end\n"); + + pr_warning("tmio_mmc: Spurious irq, disabling! " + "0x%08x 0x%08x 0x%08x\n", status, irq_mask, ireg); + pr_debug_status(status); + tmio_mmc_disable_mmc_irqs(host, status & ~irq_mask); out: return IRQ_HANDLED; @@ -749,6 +720,8 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) struct tmio_mmc_data *pdata = host->pdata; unsigned long flags; + mutex_lock(&host->ios_lock); + spin_lock_irqsave(&host->lock, flags); if (host->mrq) { if (IS_ERR(host->mrq)) { @@ -764,6 +737,8 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) host->mrq->cmd->opcode, host->last_req_ts, jiffies); } spin_unlock_irqrestore(&host->lock, flags); + + mutex_unlock(&host->ios_lock); return; } @@ -771,33 +746,30 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) spin_unlock_irqrestore(&host->lock, flags); - if (ios->clock) - tmio_mmc_set_clock(host, ios->clock); - - /* Power sequence - OFF -> UP -> ON */ - if (ios->power_mode == MMC_POWER_UP) { - if ((pdata->flags & TMIO_MMC_HAS_COLD_CD) && !pdata->power) { + /* + * pdata->power == false only if COLD_CD is available, otherwise only + * in short time intervals during probing or resuming + */ + if (ios->power_mode == MMC_POWER_ON && ios->clock) { + if (!pdata->power) { pm_runtime_get_sync(&host->pdev->dev); pdata->power = true; } + tmio_mmc_set_clock(host, ios->clock); /* power up SD bus */ if (host->set_pwr) host->set_pwr(host->pdev, 1); - } else if (ios->power_mode == MMC_POWER_OFF || !ios->clock) { - /* power down SD bus */ - if (ios->power_mode == MMC_POWER_OFF) { - if (host->set_pwr) - host->set_pwr(host->pdev, 0); - if ((pdata->flags & TMIO_MMC_HAS_COLD_CD) && - pdata->power) { - pdata->power = false; - pm_runtime_put(&host->pdev->dev); - } - } - tmio_mmc_clk_stop(host); - } else { /* start bus clock */ tmio_mmc_clk_start(host); + } else if (ios->power_mode != MMC_POWER_UP) { + if (host->set_pwr) + host->set_pwr(host->pdev, 0); + if ((pdata->flags & TMIO_MMC_HAS_COLD_CD) && + pdata->power) { + pdata->power = false; + pm_runtime_put(&host->pdev->dev); + } + tmio_mmc_clk_stop(host); } switch (ios->bus_width) { @@ -817,6 +789,8 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) current->comm, task_pid_nr(current), ios->clock, ios->power_mode); host->mrq = NULL; + + mutex_unlock(&host->ios_lock); } static int tmio_mmc_get_ro(struct mmc_host *mmc) @@ -913,16 +887,20 @@ int __devinit tmio_mmc_host_probe(struct tmio_mmc_host **host, tmio_mmc_enable_sdio_irq(mmc, 0); spin_lock_init(&_host->lock); + mutex_init(&_host->ios_lock); /* Init delayed work for request timeouts */ INIT_DELAYED_WORK(&_host->delayed_reset_work, tmio_mmc_reset_work); + INIT_WORK(&_host->done, tmio_mmc_done_work); /* See if we also get DMA */ tmio_mmc_request_dma(_host, pdata); /* We have to keep the device powered for its card detection to work */ - if (!(pdata->flags & TMIO_MMC_HAS_COLD_CD)) + if (!(pdata->flags & TMIO_MMC_HAS_COLD_CD)) { + pdata->power = true; pm_runtime_get_noresume(&pdev->dev); + } mmc_add_host(mmc); @@ -963,6 +941,7 @@ void tmio_mmc_host_remove(struct tmio_mmc_host *host) pm_runtime_get_sync(&pdev->dev); mmc_remove_host(host->mmc); + cancel_work_sync(&host->done); cancel_delayed_work_sync(&host->delayed_reset_work); tmio_mmc_release_dma(host); @@ -998,11 +977,16 @@ int tmio_mmc_host_resume(struct device *dev) /* The MMC core will perform the complete set up */ host->pdata->power = false; + host->pm_global = true; if (!host->pm_error) pm_runtime_get_sync(dev); - tmio_mmc_reset(mmc_priv(mmc)); - tmio_mmc_request_dma(host, host->pdata); + if (host->pm_global) { + /* Runtime PM resume callback didn't run */ + tmio_mmc_reset(host); + tmio_mmc_enable_dma(host, true); + host->pm_global = false; + } return mmc_resume_host(mmc); } @@ -1023,12 +1007,15 @@ int tmio_mmc_host_runtime_resume(struct device *dev) struct tmio_mmc_data *pdata = host->pdata; tmio_mmc_reset(host); + tmio_mmc_enable_dma(host, true); if (pdata->power) { /* Only entered after a card-insert interrupt */ - tmio_mmc_set_ios(mmc, &mmc->ios); + if (!mmc->card) + tmio_mmc_set_ios(mmc, &mmc->ios); mmc_detect_change(mmc, msecs_to_jiffies(100)); } + host->pm_global = false; return 0; } diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 65626c1c446d..6c3fb5ab20f5 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -953,10 +953,14 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset) if (!ubi->peb_buf2) goto out_free; + err = ubi_debugging_init_dev(ubi); + if (err) + goto out_free; + err = attach_by_scanning(ubi); if (err) { dbg_err("failed to attach by scanning, error %d", err); - goto out_free; + goto out_debugging; } if (ubi->autoresize_vol_id != -1) { @@ -969,12 +973,16 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset) if (err) goto out_detach; + err = ubi_debugfs_init_dev(ubi); + if (err) + goto out_uif; + ubi->bgt_thread = kthread_create(ubi_thread, ubi, ubi->bgt_name); if (IS_ERR(ubi->bgt_thread)) { err = PTR_ERR(ubi->bgt_thread); ubi_err("cannot spawn \"%s\", error %d", ubi->bgt_name, err); - goto out_uif; + goto out_debugfs; } ubi_msg("attached mtd%d to ubi%d", mtd->index, ubi_num); @@ -1008,12 +1016,18 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset) ubi_notify_all(ubi, UBI_VOLUME_ADDED, NULL); return ubi_num; +out_debugfs: + ubi_debugfs_exit_dev(ubi); out_uif: + get_device(&ubi->dev); + ubi_assert(ref); uif_close(ubi); out_detach: ubi_wl_close(ubi); free_internal_volumes(ubi); vfree(ubi->vtbl); +out_debugging: + ubi_debugging_exit_dev(ubi); out_free: vfree(ubi->peb_buf1); vfree(ubi->peb_buf2); @@ -1080,11 +1094,13 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway) */ get_device(&ubi->dev); + ubi_debugfs_exit_dev(ubi); uif_close(ubi); ubi_wl_close(ubi); free_internal_volumes(ubi); vfree(ubi->vtbl); put_mtd_device(ubi->mtd); + ubi_debugging_exit_dev(ubi); vfree(ubi->peb_buf1); vfree(ubi->peb_buf2); ubi_msg("mtd%d is detached from ubi%d", ubi->mtd->index, ubi->ubi_num); @@ -1199,6 +1215,11 @@ static int __init ubi_init(void) if (!ubi_wl_entry_slab) goto out_dev_unreg; + err = ubi_debugfs_init(); + if (err) + goto out_slab; + + /* Attach MTD devices */ for (i = 0; i < mtd_devs; i++) { struct mtd_dev_param *p = &mtd_dev_param[i]; @@ -1247,6 +1268,8 @@ out_detach: ubi_detach_mtd_dev(ubi_devices[k]->ubi_num, 1); mutex_unlock(&ubi_devices_mutex); } + ubi_debugfs_exit(); +out_slab: kmem_cache_destroy(ubi_wl_entry_slab); out_dev_unreg: misc_deregister(&ubi_ctrl_cdev); @@ -1270,6 +1293,7 @@ static void __exit ubi_exit(void) ubi_detach_mtd_dev(ubi_devices[i]->ubi_num, 1); mutex_unlock(&ubi_devices_mutex); } + ubi_debugfs_exit(); kmem_cache_destroy(ubi_wl_entry_slab); misc_deregister(&ubi_ctrl_cdev); class_remove_file(ubi_class, &ubi_version); diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c index 2224cbe41ddf..ab80c0debac8 100644 --- a/drivers/mtd/ubi/debug.c +++ b/drivers/mtd/ubi/debug.c @@ -27,17 +27,9 @@ #ifdef CONFIG_MTD_UBI_DEBUG #include "ubi.h" +#include <linux/debugfs.h> +#include <linux/uaccess.h> #include <linux/module.h> -#include <linux/moduleparam.h> - -unsigned int ubi_chk_flags; -unsigned int ubi_tst_flags; - -module_param_named(debug_chks, ubi_chk_flags, uint, S_IRUGO | S_IWUSR); -module_param_named(debug_tsts, ubi_chk_flags, uint, S_IRUGO | S_IWUSR); - -MODULE_PARM_DESC(debug_chks, "Debug check flags"); -MODULE_PARM_DESC(debug_tsts, "Debug special test flags"); /** * ubi_dbg_dump_ec_hdr - dump an erase counter header. @@ -239,4 +231,261 @@ out: return; } +/** + * ubi_debugging_init_dev - initialize debugging for an UBI device. + * @ubi: UBI device description object + * + * This function initializes debugging-related data for UBI device @ubi. + * Returns zero in case of success and a negative error code in case of + * failure. + */ +int ubi_debugging_init_dev(struct ubi_device *ubi) +{ + ubi->dbg = kzalloc(sizeof(struct ubi_debug_info), GFP_KERNEL); + if (!ubi->dbg) + return -ENOMEM; + + return 0; +} + +/** + * ubi_debugging_exit_dev - free debugging data for an UBI device. + * @ubi: UBI device description object + */ +void ubi_debugging_exit_dev(struct ubi_device *ubi) +{ + kfree(ubi->dbg); +} + +/* + * Root directory for UBI stuff in debugfs. Contains sub-directories which + * contain the stuff specific to particular UBI devices. + */ +static struct dentry *dfs_rootdir; + +/** + * ubi_debugfs_init - create UBI debugfs directory. + * + * Create UBI debugfs directory. Returns zero in case of success and a negative + * error code in case of failure. + */ +int ubi_debugfs_init(void) +{ + dfs_rootdir = debugfs_create_dir("ubi", NULL); + if (IS_ERR_OR_NULL(dfs_rootdir)) { + int err = dfs_rootdir ? -ENODEV : PTR_ERR(dfs_rootdir); + + ubi_err("cannot create \"ubi\" debugfs directory, error %d\n", + err); + return err; + } + + return 0; +} + +/** + * ubi_debugfs_exit - remove UBI debugfs directory. + */ +void ubi_debugfs_exit(void) +{ + debugfs_remove(dfs_rootdir); +} + +/* Read an UBI debugfs file */ +static ssize_t dfs_file_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + unsigned long ubi_num = (unsigned long)file->private_data; + struct dentry *dent = file->f_path.dentry; + struct ubi_device *ubi; + struct ubi_debug_info *d; + char buf[3]; + int val; + + ubi = ubi_get_device(ubi_num); + if (!ubi) + return -ENODEV; + d = ubi->dbg; + + if (dent == d->dfs_chk_gen) + val = d->chk_gen; + else if (dent == d->dfs_chk_io) + val = d->chk_io; + else if (dent == d->dfs_disable_bgt) + val = d->disable_bgt; + else if (dent == d->dfs_emulate_bitflips) + val = d->emulate_bitflips; + else if (dent == d->dfs_emulate_io_failures) + val = d->emulate_io_failures; + else { + count = -EINVAL; + goto out; + } + + if (val) + buf[0] = '1'; + else + buf[0] = '0'; + buf[1] = '\n'; + buf[2] = 0x00; + + count = simple_read_from_buffer(user_buf, count, ppos, buf, 2); + +out: + ubi_put_device(ubi); + return count; +} + +/* Write an UBI debugfs file */ +static ssize_t dfs_file_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + unsigned long ubi_num = (unsigned long)file->private_data; + struct dentry *dent = file->f_path.dentry; + struct ubi_device *ubi; + struct ubi_debug_info *d; + size_t buf_size; + char buf[8]; + int val; + + ubi = ubi_get_device(ubi_num); + if (!ubi) + return -ENODEV; + d = ubi->dbg; + + buf_size = min_t(size_t, count, (sizeof(buf) - 1)); + if (copy_from_user(buf, user_buf, buf_size)) { + count = -EFAULT; + goto out; + } + + if (buf[0] == '1') + val = 1; + else if (buf[0] == '0') + val = 0; + else { + count = -EINVAL; + goto out; + } + + if (dent == d->dfs_chk_gen) + d->chk_gen = val; + else if (dent == d->dfs_chk_io) + d->chk_io = val; + else if (dent == d->dfs_disable_bgt) + d->disable_bgt = val; + else if (dent == d->dfs_emulate_bitflips) + d->emulate_bitflips = val; + else if (dent == d->dfs_emulate_io_failures) + d->emulate_io_failures = val; + else + count = -EINVAL; + +out: + ubi_put_device(ubi); + return count; +} + +static int default_open(struct inode *inode, struct file *file) +{ + if (inode->i_private) + file->private_data = inode->i_private; + + return 0; +} + +/* File operations for all UBI debugfs files */ +static const struct file_operations dfs_fops = { + .read = dfs_file_read, + .write = dfs_file_write, + .open = default_open, + .llseek = no_llseek, + .owner = THIS_MODULE, +}; + +/** + * ubi_debugfs_init_dev - initialize debugfs for an UBI device. + * @ubi: UBI device description object + * + * This function creates all debugfs files for UBI device @ubi. Returns zero in + * case of success and a negative error code in case of failure. + */ +int ubi_debugfs_init_dev(struct ubi_device *ubi) +{ + int err, n; + unsigned long ubi_num = ubi->ubi_num; + const char *fname; + struct dentry *dent; + struct ubi_debug_info *d = ubi->dbg; + + n = snprintf(d->dfs_dir_name, UBI_DFS_DIR_LEN + 1, UBI_DFS_DIR_NAME, + ubi->ubi_num); + if (n == UBI_DFS_DIR_LEN) { + /* The array size is too small */ + fname = UBI_DFS_DIR_NAME; + dent = ERR_PTR(-EINVAL); + goto out; + } + + fname = d->dfs_dir_name; + dent = debugfs_create_dir(fname, dfs_rootdir); + if (IS_ERR_OR_NULL(dent)) + goto out; + d->dfs_dir = dent; + + fname = "chk_gen"; + dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, (void *)ubi_num, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_chk_gen = dent; + + fname = "chk_io"; + dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, (void *)ubi_num, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_chk_io = dent; + + fname = "tst_disable_bgt"; + dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, (void *)ubi_num, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_disable_bgt = dent; + + fname = "tst_emulate_bitflips"; + dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, (void *)ubi_num, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_emulate_bitflips = dent; + + fname = "tst_emulate_io_failures"; + dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, (void *)ubi_num, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_emulate_io_failures = dent; + + return 0; + +out_remove: + debugfs_remove_recursive(d->dfs_dir); +out: + err = dent ? PTR_ERR(dent) : -ENODEV; + ubi_err("cannot create \"%s\" debugfs file or directory, error %d\n", + fname, err); + return err; +} + +/** + * dbg_debug_exit_dev - free all debugfs files corresponding to device @ubi + * @ubi: UBI device description object + */ +void ubi_debugfs_exit_dev(struct ubi_device *ubi) +{ + debugfs_remove_recursive(ubi->dbg->dfs_dir); +} + #endif /* CONFIG_MTD_UBI_DEBUG */ diff --git a/drivers/mtd/ubi/debug.h b/drivers/mtd/ubi/debug.h index 3f1a09c5c438..65b5b76cc379 100644 --- a/drivers/mtd/ubi/debug.h +++ b/drivers/mtd/ubi/debug.h @@ -21,14 +21,6 @@ #ifndef __UBI_DEBUG_H__ #define __UBI_DEBUG_H__ -struct ubi_ec_hdr; -struct ubi_vid_hdr; -struct ubi_volume; -struct ubi_vtbl_record; -struct ubi_scan_volume; -struct ubi_scan_leb; -struct ubi_mkvol_req; - #ifdef CONFIG_MTD_UBI_DEBUG #include <linux/random.h> @@ -71,86 +63,103 @@ void ubi_dbg_dump_sv(const struct ubi_scan_volume *sv); void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb, int type); void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req); void ubi_dbg_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len); - -extern unsigned int ubi_chk_flags; - -/* - * Debugging check flags. - * - * UBI_CHK_GEN: general checks - * UBI_CHK_IO: check writes and erases - */ -enum { - UBI_CHK_GEN = 0x1, - UBI_CHK_IO = 0x2, -}; - int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len); int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum, int offset, int len); - -extern unsigned int ubi_tst_flags; +int ubi_debugging_init_dev(struct ubi_device *ubi); +void ubi_debugging_exit_dev(struct ubi_device *ubi); +int ubi_debugfs_init(void); +void ubi_debugfs_exit(void); +int ubi_debugfs_init_dev(struct ubi_device *ubi); +void ubi_debugfs_exit_dev(struct ubi_device *ubi); /* - * Special testing flags. + * The UBI debugfs directory name pattern and maximum name length (3 for "ubi" + * + 2 for the number plus 1 for the trailing zero byte. + */ +#define UBI_DFS_DIR_NAME "ubi%d" +#define UBI_DFS_DIR_LEN (3 + 2 + 1) + +/** + * struct ubi_debug_info - debugging information for an UBI device. * - * UBIFS_TST_DISABLE_BGT: disable the background thread - * UBI_TST_EMULATE_BITFLIPS: emulate bit-flips - * UBI_TST_EMULATE_WRITE_FAILURES: emulate write failures - * UBI_TST_EMULATE_ERASE_FAILURES: emulate erase failures + * @chk_gen: if UBI general extra checks are enabled + * @chk_io: if UBI I/O extra checks are enabled + * @disable_bgt: disable the background task for testing purposes + * @emulate_bitflips: emulate bit-flips for testing purposes + * @emulate_io_failures: emulate write/erase failures for testing purposes + * @dfs_dir_name: name of debugfs directory containing files of this UBI device + * @dfs_dir: direntry object of the UBI device debugfs directory + * @dfs_chk_gen: debugfs knob to enable UBI general extra checks + * @dfs_chk_io: debugfs knob to enable UBI I/O extra checks + * @dfs_disable_bgt: debugfs knob to disable the background task + * @dfs_emulate_bitflips: debugfs knob to emulate bit-flips + * @dfs_emulate_io_failures: debugfs knob to emulate write/erase failures */ -enum { - UBI_TST_DISABLE_BGT = 0x1, - UBI_TST_EMULATE_BITFLIPS = 0x2, - UBI_TST_EMULATE_WRITE_FAILURES = 0x4, - UBI_TST_EMULATE_ERASE_FAILURES = 0x8, +struct ubi_debug_info { + unsigned int chk_gen:1; + unsigned int chk_io:1; + unsigned int disable_bgt:1; + unsigned int emulate_bitflips:1; + unsigned int emulate_io_failures:1; + char dfs_dir_name[UBI_DFS_DIR_LEN + 1]; + struct dentry *dfs_dir; + struct dentry *dfs_chk_gen; + struct dentry *dfs_chk_io; + struct dentry *dfs_disable_bgt; + struct dentry *dfs_emulate_bitflips; + struct dentry *dfs_emulate_io_failures; }; /** * ubi_dbg_is_bgt_disabled - if the background thread is disabled. + * @ubi: UBI device description object * * Returns non-zero if the UBI background thread is disabled for testing * purposes. */ -static inline int ubi_dbg_is_bgt_disabled(void) +static inline int ubi_dbg_is_bgt_disabled(const struct ubi_device *ubi) { - return ubi_tst_flags & UBI_TST_DISABLE_BGT; + return ubi->dbg->disable_bgt; } /** * ubi_dbg_is_bitflip - if it is time to emulate a bit-flip. + * @ubi: UBI device description object * * Returns non-zero if a bit-flip should be emulated, otherwise returns zero. */ -static inline int ubi_dbg_is_bitflip(void) +static inline int ubi_dbg_is_bitflip(const struct ubi_device *ubi) { - if (ubi_tst_flags & UBI_TST_EMULATE_BITFLIPS) + if (ubi->dbg->emulate_bitflips) return !(random32() % 200); return 0; } /** * ubi_dbg_is_write_failure - if it is time to emulate a write failure. + * @ubi: UBI device description object * * Returns non-zero if a write failure should be emulated, otherwise returns * zero. */ -static inline int ubi_dbg_is_write_failure(void) +static inline int ubi_dbg_is_write_failure(const struct ubi_device *ubi) { - if (ubi_tst_flags & UBI_TST_EMULATE_WRITE_FAILURES) + if (ubi->dbg->emulate_io_failures) return !(random32() % 500); return 0; } /** * ubi_dbg_is_erase_failure - if its time to emulate an erase failure. + * @ubi: UBI device description object * * Returns non-zero if an erase failure should be emulated, otherwise returns * zero. */ -static inline int ubi_dbg_is_erase_failure(void) +static inline int ubi_dbg_is_erase_failure(const struct ubi_device *ubi) { - if (ubi_tst_flags & UBI_TST_EMULATE_ERASE_FAILURES) + if (ubi->dbg->emulate_io_failures) return !(random32() % 400); return 0; } @@ -201,11 +210,6 @@ static inline void ubi_dbg_dump_flash(struct ubi_device *ubi, static inline void ubi_dbg_print_hex_dump(const char *l, const char *ps, int pt, int r, int g, const void *b, size_t len, bool a) { return; } - -static inline int ubi_dbg_is_bgt_disabled(void) { return 0; } -static inline int ubi_dbg_is_bitflip(void) { return 0; } -static inline int ubi_dbg_is_write_failure(void) { return 0; } -static inline int ubi_dbg_is_erase_failure(void) { return 0; } static inline int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len) { return 0; } @@ -213,5 +217,20 @@ static inline int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum, int offset, int len) { return 0; } +static inline int ubi_debugging_init_dev(struct ubi_device *ubi) { return 0; } +static inline void ubi_debugging_exit_dev(struct ubi_device *ubi) { return; } +static inline int ubi_debugfs_init(void) { return 0; } +static inline void ubi_debugfs_exit(void) { return; } +static inline int ubi_debugfs_init_dev(struct ubi_device *ubi) { return 0; } +static inline void ubi_debugfs_exit_dev(struct ubi_device *ubi) { return; } + +static inline int +ubi_dbg_is_bgt_disabled(const struct ubi_device *ubi) { return 0; } +static inline int ubi_dbg_is_bitflip(const struct ubi_device *ubi) { return 0; } +static inline int +ubi_dbg_is_write_failure(const struct ubi_device *ubi) { return 0; } +static inline int +ubi_dbg_is_erase_failure(const struct ubi_device *ubi) { return 0; } + #endif /* !CONFIG_MTD_UBI_DEBUG */ #endif /* !__UBI_DEBUG_H__ */ diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index 8c1b1c7bc4a7..6ba55c235873 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -212,7 +212,7 @@ retry: } else { ubi_assert(len == read); - if (ubi_dbg_is_bitflip()) { + if (ubi_dbg_is_bitflip(ubi)) { dbg_gen("bit-flip (emulated)"); err = UBI_IO_BITFLIPS; } @@ -281,7 +281,7 @@ int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset, return err; } - if (ubi_dbg_is_write_failure()) { + if (ubi_dbg_is_write_failure(ubi)) { dbg_err("cannot write %d bytes to PEB %d:%d " "(emulated)", len, pnum, offset); ubi_dbg_dump_stack(); @@ -396,7 +396,7 @@ retry: if (err) return err; - if (ubi_dbg_is_erase_failure()) { + if (ubi_dbg_is_erase_failure(ubi)) { dbg_err("cannot erase PEB %d (emulated)", pnum); return -EIO; } @@ -1146,7 +1146,7 @@ static int paranoid_check_not_bad(const struct ubi_device *ubi, int pnum) { int err; - if (!(ubi_chk_flags & UBI_CHK_IO)) + if (!ubi->dbg->chk_io) return 0; err = ubi_io_is_bad(ubi, pnum); @@ -1173,7 +1173,7 @@ static int paranoid_check_ec_hdr(const struct ubi_device *ubi, int pnum, int err; uint32_t magic; - if (!(ubi_chk_flags & UBI_CHK_IO)) + if (!ubi->dbg->chk_io) return 0; magic = be32_to_cpu(ec_hdr->magic); @@ -1211,7 +1211,7 @@ static int paranoid_check_peb_ec_hdr(const struct ubi_device *ubi, int pnum) uint32_t crc, hdr_crc; struct ubi_ec_hdr *ec_hdr; - if (!(ubi_chk_flags & UBI_CHK_IO)) + if (!ubi->dbg->chk_io) return 0; ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_NOFS); @@ -1255,7 +1255,7 @@ static int paranoid_check_vid_hdr(const struct ubi_device *ubi, int pnum, int err; uint32_t magic; - if (!(ubi_chk_flags & UBI_CHK_IO)) + if (!ubi->dbg->chk_io) return 0; magic = be32_to_cpu(vid_hdr->magic); @@ -1296,7 +1296,7 @@ static int paranoid_check_peb_vid_hdr(const struct ubi_device *ubi, int pnum) struct ubi_vid_hdr *vid_hdr; void *p; - if (!(ubi_chk_flags & UBI_CHK_IO)) + if (!ubi->dbg->chk_io) return 0; vid_hdr = ubi_zalloc_vid_hdr(ubi, GFP_NOFS); @@ -1348,7 +1348,7 @@ int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum, void *buf1; loff_t addr = (loff_t)pnum * ubi->peb_size + offset; - if (!(ubi_chk_flags & UBI_CHK_IO)) + if (!ubi->dbg->chk_io) return 0; buf1 = __vmalloc(len, GFP_NOFS, PAGE_KERNEL); @@ -1412,7 +1412,7 @@ int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len) void *buf; loff_t addr = (loff_t)pnum * ubi->peb_size + offset; - if (!(ubi_chk_flags & UBI_CHK_IO)) + if (!ubi->dbg->chk_io) return 0; buf = __vmalloc(len, GFP_NOFS, PAGE_KERNEL); diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c index 2135a53732ff..a3a198f9b98d 100644 --- a/drivers/mtd/ubi/scan.c +++ b/drivers/mtd/ubi/scan.c @@ -1347,7 +1347,7 @@ static int paranoid_check_si(struct ubi_device *ubi, struct ubi_scan_info *si) struct ubi_scan_leb *seb, *last_seb; uint8_t *buf; - if (!(ubi_chk_flags & UBI_CHK_GEN)) + if (!ubi->dbg->chk_gen) return 0; /* diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index c6c22295898e..dc64c767fd21 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -44,7 +44,6 @@ #include "ubi-media.h" #include "scan.h" -#include "debug.h" /* Maximum number of supported UBI devices */ #define UBI_MAX_DEVICES 32 @@ -390,6 +389,8 @@ struct ubi_wl_entry; * @peb_buf2: another buffer of PEB size used for different purposes * @buf_mutex: protects @peb_buf1 and @peb_buf2 * @ckvol_mutex: serializes static volume checking when opening + * + * @dbg: debugging information for this UBI device */ struct ubi_device { struct cdev cdev; @@ -472,8 +473,12 @@ struct ubi_device { void *peb_buf2; struct mutex buf_mutex; struct mutex ckvol_mutex; + + struct ubi_debug_info *dbg; }; +#include "debug.h" + extern struct kmem_cache *ubi_wl_entry_slab; extern const struct file_operations ubi_ctrl_cdev_operations; extern const struct file_operations ubi_cdev_operations; @@ -662,6 +667,7 @@ static inline void ubi_ro_mode(struct ubi_device *ubi) if (!ubi->ro_mode) { ubi->ro_mode = 1; ubi_warn("switch to read-only mode"); + ubi_dbg_dump_stack(); } } diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c index 366eb70219a6..97e093d19672 100644 --- a/drivers/mtd/ubi/vmt.c +++ b/drivers/mtd/ubi/vmt.c @@ -871,7 +871,7 @@ static int paranoid_check_volumes(struct ubi_device *ubi) { int i, err = 0; - if (!(ubi_chk_flags & UBI_CHK_GEN)) + if (!ubi->dbg->chk_gen) return 0; for (i = 0; i < ubi->vtbl_slots; i++) { diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c index fd3bf770f518..4b50a3029b84 100644 --- a/drivers/mtd/ubi/vtbl.c +++ b/drivers/mtd/ubi/vtbl.c @@ -307,8 +307,7 @@ static int create_vtbl(struct ubi_device *ubi, struct ubi_scan_info *si, { int err, tries = 0; static struct ubi_vid_hdr *vid_hdr; - struct ubi_scan_volume *sv; - struct ubi_scan_leb *new_seb, *old_seb = NULL; + struct ubi_scan_leb *new_seb; ubi_msg("create volume table (copy #%d)", copy + 1); @@ -316,15 +315,6 @@ static int create_vtbl(struct ubi_device *ubi, struct ubi_scan_info *si, if (!vid_hdr) return -ENOMEM; - /* - * Check if there is a logical eraseblock which would have to contain - * this volume table copy was found during scanning. It has to be wiped - * out. - */ - sv = ubi_scan_find_sv(si, UBI_LAYOUT_VOLUME_ID); - if (sv) - old_seb = ubi_scan_find_seb(sv, copy); - retry: new_seb = ubi_scan_get_free_peb(ubi, si); if (IS_ERR(new_seb)) { @@ -351,8 +341,8 @@ retry: goto write_error; /* - * And add it to the scanning information. Don't delete the old - * @old_seb as it will be deleted and freed in 'ubi_scan_add_used()'. + * And add it to the scanning information. Don't delete the old version + * of this LEB as it will be deleted and freed in 'ubi_scan_add_used()'. */ err = ubi_scan_add_used(ubi, si, new_seb->pnum, new_seb->ec, vid_hdr, 0); @@ -876,7 +866,7 @@ out_free: */ static void paranoid_vtbl_check(const struct ubi_device *ubi) { - if (!(ubi_chk_flags & UBI_CHK_GEN)) + if (!ubi->dbg->chk_gen) return; if (vtbl_check(ubi, ubi->vtbl)) { diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index ff2c4956eeff..42c684cf3688 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1,4 +1,5 @@ /* + * @ubi: UBI device description object * Copyright (c) International Business Machines Corp., 2006 * * This program is free software; you can redistribute it and/or modify @@ -163,12 +164,14 @@ struct ubi_work { #ifdef CONFIG_MTD_UBI_DEBUG static int paranoid_check_ec(struct ubi_device *ubi, int pnum, int ec); -static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e, +static int paranoid_check_in_wl_tree(const struct ubi_device *ubi, + struct ubi_wl_entry *e, struct rb_root *root); -static int paranoid_check_in_pq(struct ubi_device *ubi, struct ubi_wl_entry *e); +static int paranoid_check_in_pq(const struct ubi_device *ubi, + struct ubi_wl_entry *e); #else #define paranoid_check_ec(ubi, pnum, ec) 0 -#define paranoid_check_in_wl_tree(e, root) +#define paranoid_check_in_wl_tree(ubi, e, root) #define paranoid_check_in_pq(ubi, e) 0 #endif @@ -449,7 +452,7 @@ retry: BUG(); } - paranoid_check_in_wl_tree(e, &ubi->free); + paranoid_check_in_wl_tree(ubi, e, &ubi->free); /* * Move the physical eraseblock to the protection queue where it will @@ -613,7 +616,7 @@ static void schedule_ubi_work(struct ubi_device *ubi, struct ubi_work *wrk) list_add_tail(&wrk->list, &ubi->works); ubi_assert(ubi->works_count >= 0); ubi->works_count += 1; - if (ubi->thread_enabled && !ubi_dbg_is_bgt_disabled()) + if (ubi->thread_enabled && !ubi_dbg_is_bgt_disabled(ubi)) wake_up_process(ubi->bgt_thread); spin_unlock(&ubi->wl_lock); } @@ -712,7 +715,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, e1->ec, e2->ec); goto out_cancel; } - paranoid_check_in_wl_tree(e1, &ubi->used); + paranoid_check_in_wl_tree(ubi, e1, &ubi->used); rb_erase(&e1->u.rb, &ubi->used); dbg_wl("move PEB %d EC %d to PEB %d EC %d", e1->pnum, e1->ec, e2->pnum, e2->ec); @@ -721,12 +724,12 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, scrubbing = 1; e1 = rb_entry(rb_first(&ubi->scrub), struct ubi_wl_entry, u.rb); e2 = find_wl_entry(&ubi->free, WL_FREE_MAX_DIFF); - paranoid_check_in_wl_tree(e1, &ubi->scrub); + paranoid_check_in_wl_tree(ubi, e1, &ubi->scrub); rb_erase(&e1->u.rb, &ubi->scrub); dbg_wl("scrub PEB %d to PEB %d", e1->pnum, e2->pnum); } - paranoid_check_in_wl_tree(e2, &ubi->free); + paranoid_check_in_wl_tree(ubi, e2, &ubi->free); rb_erase(&e2->u.rb, &ubi->free); ubi->move_from = e1; ubi->move_to = e2; @@ -1169,13 +1172,13 @@ retry: return 0; } else { if (in_wl_tree(e, &ubi->used)) { - paranoid_check_in_wl_tree(e, &ubi->used); + paranoid_check_in_wl_tree(ubi, e, &ubi->used); rb_erase(&e->u.rb, &ubi->used); } else if (in_wl_tree(e, &ubi->scrub)) { - paranoid_check_in_wl_tree(e, &ubi->scrub); + paranoid_check_in_wl_tree(ubi, e, &ubi->scrub); rb_erase(&e->u.rb, &ubi->scrub); } else if (in_wl_tree(e, &ubi->erroneous)) { - paranoid_check_in_wl_tree(e, &ubi->erroneous); + paranoid_check_in_wl_tree(ubi, e, &ubi->erroneous); rb_erase(&e->u.rb, &ubi->erroneous); ubi->erroneous_peb_count -= 1; ubi_assert(ubi->erroneous_peb_count >= 0); @@ -1242,7 +1245,7 @@ retry: } if (in_wl_tree(e, &ubi->used)) { - paranoid_check_in_wl_tree(e, &ubi->used); + paranoid_check_in_wl_tree(ubi, e, &ubi->used); rb_erase(&e->u.rb, &ubi->used); } else { int err; @@ -1364,7 +1367,7 @@ int ubi_thread(void *u) spin_lock(&ubi->wl_lock); if (list_empty(&ubi->works) || ubi->ro_mode || - !ubi->thread_enabled || ubi_dbg_is_bgt_disabled()) { + !ubi->thread_enabled || ubi_dbg_is_bgt_disabled(ubi)) { set_current_state(TASK_INTERRUPTIBLE); spin_unlock(&ubi->wl_lock); schedule(); @@ -1579,7 +1582,7 @@ static int paranoid_check_ec(struct ubi_device *ubi, int pnum, int ec) long long read_ec; struct ubi_ec_hdr *ec_hdr; - if (!(ubi_chk_flags & UBI_CHK_GEN)) + if (!ubi->dbg->chk_gen) return 0; ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_NOFS); @@ -1609,16 +1612,18 @@ out_free: /** * paranoid_check_in_wl_tree - check that wear-leveling entry is in WL RB-tree. + * @ubi: UBI device description object * @e: the wear-leveling entry to check * @root: the root of the tree * * This function returns zero if @e is in the @root RB-tree and %-EINVAL if it * is not. */ -static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e, +static int paranoid_check_in_wl_tree(const struct ubi_device *ubi, + struct ubi_wl_entry *e, struct rb_root *root) { - if (!(ubi_chk_flags & UBI_CHK_GEN)) + if (!ubi->dbg->chk_gen) return 0; if (in_wl_tree(e, root)) @@ -1638,12 +1643,13 @@ static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e, * * This function returns zero if @e is in @ubi->pq and %-EINVAL if it is not. */ -static int paranoid_check_in_pq(struct ubi_device *ubi, struct ubi_wl_entry *e) +static int paranoid_check_in_pq(const struct ubi_device *ubi, + struct ubi_wl_entry *e) { struct ubi_wl_entry *p; int i; - if (!(ubi_chk_flags & UBI_CHK_GEN)) + if (!ubi->dbg->chk_gen) return 0; for (i = 0; i < UBI_PROT_QUEUE_LEN; ++i) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index eafe44a528ac..63c22b0bb5ad 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1428,9 +1428,9 @@ out: return features; } -#define BOND_VLAN_FEATURES (NETIF_F_ALL_TX_OFFLOADS | \ - NETIF_F_SOFT_FEATURES | \ - NETIF_F_LRO) +#define BOND_VLAN_FEATURES (NETIF_F_ALL_CSUM | NETIF_F_SG | \ + NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ + NETIF_F_HIGHDMA | NETIF_F_LRO) static void bond_compute_features(struct bonding *bond) { diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 2dfcc8047847..dfa55f94ba7f 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -2289,6 +2289,23 @@ static int gfar_set_mac_address(struct net_device *dev) return 0; } +/* Check if rx parser should be activated */ +void gfar_check_rx_parser_mode(struct gfar_private *priv) +{ + struct gfar __iomem *regs; + u32 tempval; + + regs = priv->gfargrp[0].regs; + + tempval = gfar_read(®s->rctrl); + /* If parse is no longer required, then disable parser */ + if (tempval & RCTRL_REQ_PARSER) + tempval |= RCTRL_PRSDEP_INIT; + else + tempval &= ~RCTRL_PRSDEP_INIT; + gfar_write(®s->rctrl, tempval); +} + /* Enables and disables VLAN insertion/extraction */ static void gfar_vlan_rx_register(struct net_device *dev, @@ -2325,12 +2342,9 @@ static void gfar_vlan_rx_register(struct net_device *dev, /* Disable VLAN tag extraction */ tempval = gfar_read(®s->rctrl); tempval &= ~RCTRL_VLEX; - /* If parse is no longer required, then disable parser */ - if (tempval & RCTRL_REQ_PARSER) - tempval |= RCTRL_PRSDEP_INIT; - else - tempval &= ~RCTRL_PRSDEP_INIT; gfar_write(®s->rctrl, tempval); + + gfar_check_rx_parser_mode(priv); } gfar_change_mtu(dev, dev->mtu); diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index ba36dc7a3435..440e69d8beff 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -274,7 +274,7 @@ extern const char gfar_driver_version[]; #define RCTRL_PROM 0x00000008 #define RCTRL_EMEN 0x00000002 #define RCTRL_REQ_PARSER (RCTRL_VLEX | RCTRL_IPCSEN | \ - RCTRL_TUCSEN) + RCTRL_TUCSEN | RCTRL_FILREN) #define RCTRL_CHECKSUMMING (RCTRL_IPCSEN | RCTRL_TUCSEN | \ RCTRL_PRSDEP_INIT) #define RCTRL_EXTHASH (RCTRL_GHTX) @@ -1156,6 +1156,7 @@ extern void gfar_configure_coalescing(struct gfar_private *priv, unsigned long tx_mask, unsigned long rx_mask); void gfar_init_sysfs(struct net_device *dev); int gfar_set_features(struct net_device *dev, u32 features); +extern void gfar_check_rx_parser_mode(struct gfar_private *priv); extern const struct ethtool_ops gfar_ethtool_ops; diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c index 8f8b65af9ed5..60f46bc2bf64 100644 --- a/drivers/net/natsemi.c +++ b/drivers/net/natsemi.c @@ -140,7 +140,7 @@ MODULE_LICENSE("GPL"); module_param(mtu, int, 0); module_param(debug, int, 0); module_param(rx_copybreak, int, 0); -module_param(dspcfg_workaround, int, 1); +module_param(dspcfg_workaround, int, 0); module_param_array(options, int, NULL, 0); module_param_array(full_duplex, int, NULL, 0); MODULE_PARM_DESC(mtu, "DP8381x MTU (all boards)"); @@ -2028,8 +2028,8 @@ static void drain_rx(struct net_device *dev) np->rx_ring[i].cmd_status = 0; np->rx_ring[i].addr = cpu_to_le32(0xBADF00D0); /* An invalid address. */ if (np->rx_skbuff[i]) { - pci_unmap_single(np->pci_dev, - np->rx_dma[i], buflen, + pci_unmap_single(np->pci_dev, np->rx_dma[i], + buflen + NATSEMI_PADDING, PCI_DMA_FROMDEVICE); dev_kfree_skb(np->rx_skbuff[i]); } diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c index 718879b35b7d..bc9a4bb31980 100644 --- a/drivers/net/pppoe.c +++ b/drivers/net/pppoe.c @@ -348,8 +348,9 @@ static int pppoe_device_event(struct notifier_block *this, /* Only look at sockets that are using this specific device. */ switch (event) { + case NETDEV_CHANGEADDR: case NETDEV_CHANGEMTU: - /* A change in mtu is a bad thing, requiring + /* A change in mtu or address is a bad thing, requiring * LCP re-negotiation. */ diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c index 200a363c3bf5..0ffec4608441 100644 --- a/drivers/net/r6040.c +++ b/drivers/net/r6040.c @@ -677,9 +677,11 @@ static irqreturn_t r6040_interrupt(int irq, void *dev_id) if (status & RX_FIFO_FULL) dev->stats.rx_fifo_errors++; - /* Mask off RX interrupt */ - misr &= ~RX_INTS; - napi_schedule(&lp->napi); + if (likely(napi_schedule_prep(&lp->napi))) { + /* Mask off RX interrupt */ + misr &= ~RX_INTS; + __napi_schedule(&lp->napi); + } } /* TX interrupt request */ diff --git a/drivers/net/slip.c b/drivers/net/slip.c index 8ec1a9a0bb9a..2f110fb30daa 100644 --- a/drivers/net/slip.c +++ b/drivers/net/slip.c @@ -182,11 +182,11 @@ static int sl_alloc_bufs(struct slip *sl, int mtu) #ifdef SL_INCLUDE_CSLIP cbuff = xchg(&sl->cbuff, cbuff); slcomp = xchg(&sl->slcomp, slcomp); +#endif #ifdef CONFIG_SLIP_MODE_SLIP6 sl->xdata = 0; sl->xbits = 0; #endif -#endif spin_unlock_bh(&sl->lock); err = 0; diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c index 468512731966..9a21ca3873fc 100644 --- a/drivers/net/tulip/dmfe.c +++ b/drivers/net/tulip/dmfe.c @@ -879,7 +879,6 @@ static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db) txptr = db->tx_remove_ptr; while(db->tx_packet_cnt) { tdes0 = le32_to_cpu(txptr->tdes0); - pr_debug("tdes0=%x\n", tdes0); if (tdes0 & 0x80000000) break; @@ -889,7 +888,6 @@ static void dmfe_free_tx_pkt(struct DEVICE *dev, struct dmfe_board_info * db) /* Transmit statistic counter */ if ( tdes0 != 0x7fffffff ) { - pr_debug("tdes0=%x\n", tdes0); dev->stats.collisions += (tdes0 >> 3) & 0xf; dev->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff; if (tdes0 & TDES0_ERR_MASK) { @@ -986,7 +984,6 @@ static void dmfe_rx_packet(struct DEVICE *dev, struct dmfe_board_info * db) /* error summary bit check */ if (rdes0 & 0x8000) { /* This is a error packet */ - pr_debug("rdes0: %x\n", rdes0); dev->stats.rx_errors++; if (rdes0 & 1) dev->stats.rx_fifo_errors++; @@ -1638,7 +1635,6 @@ static u8 dmfe_sense_speed(struct dmfe_board_info * db) else /* DM9102/DM9102A */ phy_mode = phy_read(db->ioaddr, db->phy_addr, 17, db->chip_id) & 0xf000; - pr_debug("Phy_mode %x\n", phy_mode); switch (phy_mode) { case 0x1000: db->op_mode = DMFE_10MHF; break; case 0x2000: db->op_mode = DMFE_10MFD; break; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 387ca43f26f4..304fe78ff60e 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2421,10 +2421,8 @@ static void hso_free_net_device(struct hso_device *hso_dev) remove_net_device(hso_net->parent); - if (hso_net->net) { + if (hso_net->net) unregister_netdev(hso_net->net); - free_netdev(hso_net->net); - } /* start freeing */ for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) { @@ -2436,6 +2434,9 @@ static void hso_free_net_device(struct hso_device *hso_dev) kfree(hso_net->mux_bulk_tx_buf); hso_net->mux_bulk_tx_buf = NULL; + if (hso_net->net) + free_netdev(hso_net->net); + kfree(hso_dev); } diff --git a/drivers/net/wireless/ath/ath5k/desc.c b/drivers/net/wireless/ath/ath5k/desc.c index 62172d585723..f82383b3ed30 100644 --- a/drivers/net/wireless/ath/ath5k/desc.c +++ b/drivers/net/wireless/ath/ath5k/desc.c @@ -107,10 +107,13 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, case AR5K_PKT_TYPE_BEACON: case AR5K_PKT_TYPE_PROBE_RESP: frame_type = AR5K_AR5210_TX_DESC_FRAME_TYPE_NO_DELAY; + break; case AR5K_PKT_TYPE_PIFS: frame_type = AR5K_AR5210_TX_DESC_FRAME_TYPE_PIFS; + break; default: frame_type = type; + break; } tx_ctl->tx_control_0 |= diff --git a/drivers/net/wireless/ath/ath5k/pci.c b/drivers/net/wireless/ath/ath5k/pci.c index 296c316a8341..f2c0c236392f 100644 --- a/drivers/net/wireless/ath/ath5k/pci.c +++ b/drivers/net/wireless/ath/ath5k/pci.c @@ -297,7 +297,9 @@ ath5k_pci_remove(struct pci_dev *pdev) #ifdef CONFIG_PM_SLEEP static int ath5k_pci_suspend(struct device *dev) { - struct ath5k_softc *sc = pci_get_drvdata(to_pci_dev(dev)); + struct pci_dev *pdev = to_pci_dev(dev); + struct ieee80211_hw *hw = pci_get_drvdata(pdev); + struct ath5k_softc *sc = hw->priv; ath5k_led_off(sc); return 0; @@ -306,7 +308,8 @@ static int ath5k_pci_suspend(struct device *dev) static int ath5k_pci_resume(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); - struct ath5k_softc *sc = pci_get_drvdata(pdev); + struct ieee80211_hw *hw = pci_get_drvdata(pdev); + struct ath5k_softc *sc = hw->priv; /* * Suspend/Resume resets the PCI configuration space, so we have to diff --git a/drivers/net/wireless/ath/ath5k/sysfs.c b/drivers/net/wireless/ath/ath5k/sysfs.c index 929c68cdf8ab..a073cdce1f15 100644 --- a/drivers/net/wireless/ath/ath5k/sysfs.c +++ b/drivers/net/wireless/ath/ath5k/sysfs.c @@ -10,7 +10,8 @@ static ssize_t ath5k_attr_show_##name(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ - struct ath5k_softc *sc = dev_get_drvdata(dev); \ + struct ieee80211_hw *hw = dev_get_drvdata(dev); \ + struct ath5k_softc *sc = hw->priv; \ return snprintf(buf, PAGE_SIZE, "%d\n", get); \ } \ \ @@ -18,7 +19,8 @@ static ssize_t ath5k_attr_store_##name(struct device *dev, \ struct device_attribute *attr, \ const char *buf, size_t count) \ { \ - struct ath5k_softc *sc = dev_get_drvdata(dev); \ + struct ieee80211_hw *hw = dev_get_drvdata(dev); \ + struct ath5k_softc *sc = hw->priv; \ int val; \ \ val = (int)simple_strtoul(buf, NULL, 10); \ @@ -33,7 +35,8 @@ static ssize_t ath5k_attr_show_##name(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ { \ - struct ath5k_softc *sc = dev_get_drvdata(dev); \ + struct ieee80211_hw *hw = dev_get_drvdata(dev); \ + struct ath5k_softc *sc = hw->priv; \ return snprintf(buf, PAGE_SIZE, "%d\n", get); \ } \ static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 3779b8977d47..33443bcaa8d9 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -671,7 +671,8 @@ static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid, * TODO - this could be improved to be dependent on the rate. * The hardware can keep up at lower rates, but not higher rates */ - if (fi->keyix != ATH9K_TXKEYIX_INVALID) + if ((fi->keyix != ATH9K_TXKEYIX_INVALID) && + !(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) ndelim += ATH_AGGR_ENCRYPTDELIM; /* diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c index 2fb53d067512..333b69ef2ae2 100644 --- a/drivers/net/wireless/ath/carl9170/usb.c +++ b/drivers/net/wireless/ath/carl9170/usb.c @@ -112,6 +112,8 @@ static struct usb_device_id carl9170_usb_ids[] = { { USB_DEVICE(0x04bb, 0x093f) }, /* NEC WL300NU-G */ { USB_DEVICE(0x0409, 0x0249) }, + /* NEC WL300NU-AG */ + { USB_DEVICE(0x0409, 0x02b4) }, /* AVM FRITZ!WLAN USB Stick N */ { USB_DEVICE(0x057c, 0x8401) }, /* AVM FRITZ!WLAN USB Stick N 2.4 */ diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c index 092e342c19df..942f7a3969a7 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c @@ -298,6 +298,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = { {RTL_USB_DEVICE(0x06f8, 0xe033, rtl92cu_hal_cfg)}, /*Hercules - Edimax*/ {RTL_USB_DEVICE(0x07b8, 0x8188, rtl92cu_hal_cfg)}, /*Abocom - Abocom*/ {RTL_USB_DEVICE(0x07b8, 0x8189, rtl92cu_hal_cfg)}, /*Funai - Abocom*/ + {RTL_USB_DEVICE(0x0846, 0x9041, rtl92cu_hal_cfg)}, /*NetGear WNA1000M*/ {RTL_USB_DEVICE(0x0Df6, 0x0052, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/ {RTL_USB_DEVICE(0x0eb0, 0x9071, rtl92cu_hal_cfg)}, /*NO Brand - Etop*/ /* HP - Lite-On ,8188CUS Slim Combo */ diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 2c5b9b991279..692671b11667 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -3483,6 +3483,8 @@ static int __init pci_setup(char *str) pci_no_msi(); } else if (!strcmp(str, "noaer")) { pci_no_aer(); + } else if (!strncmp(str, "realloc", 7)) { + pci_realloc(); } else if (!strcmp(str, "nodomains")) { pci_no_domains(); } else if (!strncmp(str, "cbiosize=", 9)) { diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 731e20265ace..3a39bf1f1e2c 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -146,6 +146,8 @@ static inline void pci_no_msi(void) { } static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { } #endif +extern void pci_realloc(void); + static inline int pci_no_d1d2(struct pci_dev *dev) { unsigned int parent_dstates = 0; diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 02145e9697a9..1196f61a4ab6 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2758,6 +2758,29 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev) dev_notice(&dev->dev, "proprietary Ricoh MMC controller disabled (via firewire function)\n"); dev_notice(&dev->dev, "MMC cards are now supported by standard SDHCI controller\n"); + + /* + * RICOH 0xe823 SD/MMC card reader fails to recognize + * certain types of SD/MMC cards. Lowering the SD base + * clock frequency from 200Mhz to 50Mhz fixes this issue. + * + * 0x150 - SD2.0 mode enable for changing base clock + * frequency to 50Mhz + * 0xe1 - Base clock frequency + * 0x32 - 50Mhz new clock frequency + * 0xf9 - Key register for 0x150 + * 0xfc - key register for 0xe1 + */ + if (dev->device == PCI_DEVICE_ID_RICOH_R5CE823) { + pci_write_config_byte(dev, 0xf9, 0xfc); + pci_write_config_byte(dev, 0x150, 0x10); + pci_write_config_byte(dev, 0xf9, 0x00); + pci_write_config_byte(dev, 0xfc, 0x01); + pci_write_config_byte(dev, 0xe1, 0x32); + pci_write_config_byte(dev, 0xfc, 0x00); + + dev_notice(&dev->dev, "MMC controller base frequency changed to 50Mhz.\n"); + } } DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832); DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832); diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 1e9e5a5b8c81..9995842e45b5 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -47,6 +47,13 @@ struct resource_list_x { (head)->next = NULL; \ } while (0) +int pci_realloc_enable = 0; +#define pci_realloc_enabled() pci_realloc_enable +void pci_realloc(void) +{ + pci_realloc_enable = 1; +} + /** * add_to_list() - add a new resource tracker to the list * @head: Head of the list @@ -1025,6 +1032,7 @@ static int __init pci_get_max_depth(void) return depth; } + /* * first try will not touch pci bridge res * second and later try will clear small leaf bridge res @@ -1068,6 +1076,13 @@ again: /* any device complain? */ if (!head.next) goto enable_and_dump; + + /* don't realloc if asked to do so */ + if (!pci_realloc_enabled()) { + free_list(resource_list_x, &head); + goto enable_and_dump; + } + failed_type = 0; for (list = head.next; list;) { failed_type |= list->flags; diff --git a/drivers/pcmcia/pxa2xx_vpac270.c b/drivers/pcmcia/pxa2xx_vpac270.c index 712baab3c83d..e956f659089a 100644 --- a/drivers/pcmcia/pxa2xx_vpac270.c +++ b/drivers/pcmcia/pxa2xx_vpac270.c @@ -76,10 +76,10 @@ static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { if (skt->nr == 0) - gpio_request_array(vpac270_pcmcia_gpios, + gpio_free_array(vpac270_pcmcia_gpios, ARRAY_SIZE(vpac270_pcmcia_gpios)); else - gpio_request_array(vpac270_cf_gpios, + gpio_free_array(vpac270_cf_gpios, ARRAY_SIZE(vpac270_cf_gpios)); } diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 005417bd429e..e1c4938b301b 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -1156,9 +1156,9 @@ static acpi_status wmid3_set_device_status(u32 value, u16 device) struct wmid3_gds_input_param params = { .function_num = 0x1, .hotkey_number = 0x01, - .devices = ACER_WMID3_GDS_WIRELESS & - ACER_WMID3_GDS_THREEG & - ACER_WMID3_GDS_WIMAX & + .devices = ACER_WMID3_GDS_WIRELESS | + ACER_WMID3_GDS_THREEG | + ACER_WMID3_GDS_WIMAX | ACER_WMID3_GDS_BLUETOOTH, }; struct acpi_buffer input = { @@ -1445,6 +1445,8 @@ static void acer_wmi_notify(u32 value, void *context) union acpi_object *obj; struct event_return_value return_value; acpi_status status; + u16 device_state; + const struct key_entry *key; status = wmi_get_event_data(value, &response); if (status != AE_OK) { @@ -1472,23 +1474,32 @@ static void acer_wmi_notify(u32 value, void *context) switch (return_value.function) { case WMID_HOTKEY_EVENT: - if (return_value.device_state) { - u16 device_state = return_value.device_state; - pr_debug("device state: 0x%x\n", device_state); - if (has_cap(ACER_CAP_WIRELESS)) - rfkill_set_sw_state(wireless_rfkill, - !(device_state & ACER_WMID3_GDS_WIRELESS)); - if (has_cap(ACER_CAP_BLUETOOTH)) - rfkill_set_sw_state(bluetooth_rfkill, - !(device_state & ACER_WMID3_GDS_BLUETOOTH)); - if (has_cap(ACER_CAP_THREEG)) - rfkill_set_sw_state(threeg_rfkill, - !(device_state & ACER_WMID3_GDS_THREEG)); - } - if (!sparse_keymap_report_event(acer_wmi_input_dev, - return_value.key_num, 1, true)) + device_state = return_value.device_state; + pr_debug("device state: 0x%x\n", device_state); + + key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev, + return_value.key_num); + if (!key) { pr_warn("Unknown key number - 0x%x\n", return_value.key_num); + } else { + switch (key->keycode) { + case KEY_WLAN: + case KEY_BLUETOOTH: + if (has_cap(ACER_CAP_WIRELESS)) + rfkill_set_sw_state(wireless_rfkill, + !(device_state & ACER_WMID3_GDS_WIRELESS)); + if (has_cap(ACER_CAP_THREEG)) + rfkill_set_sw_state(threeg_rfkill, + !(device_state & ACER_WMID3_GDS_THREEG)); + if (has_cap(ACER_CAP_BLUETOOTH)) + rfkill_set_sw_state(bluetooth_rfkill, + !(device_state & ACER_WMID3_GDS_BLUETOOTH)); + break; + } + sparse_keymap_report_entry(acer_wmi_input_dev, key, + 1, true); + } break; default: pr_warn("Unknown function number - %d - %d\n", diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 00460cb9587b..3c7857c71a23 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -1025,6 +1025,7 @@ static int asus_wmi_backlight_init(struct asus_wmi *asus) return power; memset(&props, 0, sizeof(struct backlight_properties)); + props.type = BACKLIGHT_PLATFORM; props.max_brightness = max; bd = backlight_device_register(asus->driver->name, &asus->platform_device->dev, asus, diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c index 3f204fde1b02..8877b836d27c 100644 --- a/drivers/platform/x86/compal-laptop.c +++ b/drivers/platform/x86/compal-laptop.c @@ -1030,8 +1030,10 @@ static int __devinit compal_probe(struct platform_device *pdev) initialize_fan_control_data(data); err = sysfs_create_group(&pdev->dev.kobj, &compal_attribute_group); - if (err) + if (err) { + kfree(data); return err; + } data->hwmon_dev = hwmon_device_register(&pdev->dev); if (IS_ERR(data->hwmon_dev)) { diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index d3841de6a8cf..e39ab1d3ed87 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -292,12 +292,9 @@ static int dell_rfkill_set(void *data, bool blocked) dell_send_request(buffer, 17, 11); /* If the hardware switch controls this radio, and the hardware - switch is disabled, don't allow changing the software state. - If the hardware switch is reported as not supported, always - fire the SMI to toggle the killswitch. */ + switch is disabled, don't allow changing the software state */ if ((hwswitch_state & BIT(hwswitch_bit)) && - !(buffer->output[1] & BIT(16)) && - (buffer->output[1] & BIT(0))) { + !(buffer->output[1] & BIT(16))) { ret = -EINVAL; goto out; } @@ -403,23 +400,6 @@ static const struct file_operations dell_debugfs_fops = { static void dell_update_rfkill(struct work_struct *ignored) { - int status; - - get_buffer(); - dell_send_request(buffer, 17, 11); - status = buffer->output[1]; - release_buffer(); - - /* if hardware rfkill is not supported, set it explicitly */ - if (!(status & BIT(0))) { - if (wifi_rfkill) - dell_rfkill_set((void *)1, !((status & BIT(17)) >> 17)); - if (bluetooth_rfkill) - dell_rfkill_set((void *)2, !((status & BIT(18)) >> 18)); - if (wwan_rfkill) - dell_rfkill_set((void *)3, !((status & BIT(19)) >> 19)); - } - if (wifi_rfkill) dell_rfkill_query(wifi_rfkill, (void *)1); if (bluetooth_rfkill) @@ -560,11 +540,11 @@ static int dell_get_intensity(struct backlight_device *bd) else dell_send_request(buffer, 0, 1); + ret = buffer->output[1]; + out: release_buffer(); - if (ret) - return ret; - return buffer->output[1]; + return ret; } static const struct backlight_ops dell_ops = { diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index f94017bcdd6e..e2faa3cbb792 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -207,6 +207,7 @@ static int hp_wmi_perform_query(int query, int write, void *buffer, }; struct acpi_buffer input = { sizeof(struct bios_args), &args }; struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; + u32 rc; if (WARN_ON(insize > sizeof(args.data))) return -EINVAL; @@ -224,13 +225,13 @@ static int hp_wmi_perform_query(int query, int write, void *buffer, } bios_return = (struct bios_return *)obj->buffer.pointer; + rc = bios_return->return_code; - if (bios_return->return_code) { - if (bios_return->return_code != HPWMI_RET_UNKNOWN_CMDTYPE) - pr_warn("query 0x%x returned error 0x%x\n", - query, bios_return->return_code); + if (rc) { + if (rc != HPWMI_RET_UNKNOWN_CMDTYPE) + pr_warn("query 0x%x returned error 0x%x\n", query, rc); kfree(obj); - return bios_return->return_code; + return rc; } if (!outsize) { diff --git a/drivers/platform/x86/intel_oaktrail.c b/drivers/platform/x86/intel_oaktrail.c index e936364a609d..7f88c7923fc6 100644 --- a/drivers/platform/x86/intel_oaktrail.c +++ b/drivers/platform/x86/intel_oaktrail.c @@ -250,6 +250,7 @@ static int oaktrail_backlight_init(void) struct backlight_properties props; memset(&props, 0, sizeof(struct backlight_properties)); + props.type = BACKLIGHT_PLATFORM; props.max_brightness = OT_EC_BL_BRIGHTNESS_MAX; bd = backlight_device_register(DRIVER_NAME, &oaktrail_device->dev, NULL, diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 77f6e707a2a9..26c5b117df22 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -184,6 +184,10 @@ enum tpacpi_hkey_event_t { /* Misc bay events */ TP_HKEY_EV_OPTDRV_EJ = 0x3006, /* opt. drive tray ejected */ + TP_HKEY_EV_HOTPLUG_DOCK = 0x4010, /* docked into hotplug dock + or port replicator */ + TP_HKEY_EV_HOTPLUG_UNDOCK = 0x4011, /* undocked from hotplug + dock or port replicator */ /* User-interface events */ TP_HKEY_EV_LID_CLOSE = 0x5001, /* laptop lid closed */ @@ -194,6 +198,10 @@ enum tpacpi_hkey_event_t { TP_HKEY_EV_PEN_REMOVED = 0x500c, /* tablet pen removed */ TP_HKEY_EV_BRGHT_CHANGED = 0x5010, /* backlight control event */ + /* Key-related user-interface events */ + TP_HKEY_EV_KEY_NUMLOCK = 0x6000, /* NumLock key pressed */ + TP_HKEY_EV_KEY_FN = 0x6005, /* Fn key pressed? E420 */ + /* Thermal events */ TP_HKEY_EV_ALARM_BAT_HOT = 0x6011, /* battery too hot */ TP_HKEY_EV_ALARM_BAT_XHOT = 0x6012, /* battery critically hot */ @@ -201,6 +209,10 @@ enum tpacpi_hkey_event_t { TP_HKEY_EV_ALARM_SENSOR_XHOT = 0x6022, /* sensor critically hot */ TP_HKEY_EV_THM_TABLE_CHANGED = 0x6030, /* thermal table changed */ + TP_HKEY_EV_UNK_6040 = 0x6040, /* Related to AC change? + some sort of APM hint, + W520 */ + /* Misc */ TP_HKEY_EV_RFKILL_CHANGED = 0x7000, /* rfkill switch changed */ }; @@ -3513,6 +3525,34 @@ static bool hotkey_notify_wakeup(const u32 hkey, return true; } +static bool hotkey_notify_dockevent(const u32 hkey, + bool *send_acpi_ev, + bool *ignore_acpi_ev) +{ + /* 0x4000-0x4FFF: dock-related events */ + *send_acpi_ev = true; + *ignore_acpi_ev = false; + + switch (hkey) { + case TP_HKEY_EV_UNDOCK_ACK: + /* ACPI undock operation completed after wakeup */ + hotkey_autosleep_ack = 1; + pr_info("undocked\n"); + hotkey_wakeup_hotunplug_complete_notify_change(); + return true; + + case TP_HKEY_EV_HOTPLUG_DOCK: /* docked to port replicator */ + pr_info("docked into hotplug port replicator\n"); + return true; + case TP_HKEY_EV_HOTPLUG_UNDOCK: /* undocked from port replicator */ + pr_info("undocked from hotplug port replicator\n"); + return true; + + default: + return false; + } +} + static bool hotkey_notify_usrevent(const u32 hkey, bool *send_acpi_ev, bool *ignore_acpi_ev) @@ -3547,13 +3587,13 @@ static bool hotkey_notify_usrevent(const u32 hkey, static void thermal_dump_all_sensors(void); -static bool hotkey_notify_thermal(const u32 hkey, +static bool hotkey_notify_6xxx(const u32 hkey, bool *send_acpi_ev, bool *ignore_acpi_ev) { bool known = true; - /* 0x6000-0x6FFF: thermal alarms */ + /* 0x6000-0x6FFF: thermal alarms/notices and keyboard events */ *send_acpi_ev = true; *ignore_acpi_ev = false; @@ -3582,8 +3622,17 @@ static bool hotkey_notify_thermal(const u32 hkey, "a sensor reports something is extremely hot!\n"); /* recommended action: immediate sleep/hibernate */ break; + + case TP_HKEY_EV_KEY_NUMLOCK: + case TP_HKEY_EV_KEY_FN: + /* key press events, we just ignore them as long as the EC + * is still reporting them in the normal keyboard stream */ + *send_acpi_ev = false; + *ignore_acpi_ev = true; + return true; + default: - pr_alert("THERMAL ALERT: unknown thermal alarm received\n"); + pr_warn("unknown possible thermal alarm or keyboard event received\n"); known = false; } @@ -3652,15 +3701,9 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event) } break; case 4: - /* 0x4000-0x4FFF: dock-related wakeups */ - if (hkey == TP_HKEY_EV_UNDOCK_ACK) { - hotkey_autosleep_ack = 1; - pr_info("undocked\n"); - hotkey_wakeup_hotunplug_complete_notify_change(); - known_ev = true; - } else { - known_ev = false; - } + /* 0x4000-0x4FFF: dock-related events */ + known_ev = hotkey_notify_dockevent(hkey, &send_acpi_ev, + &ignore_acpi_ev); break; case 5: /* 0x5000-0x5FFF: human interface helpers */ @@ -3668,8 +3711,9 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event) &ignore_acpi_ev); break; case 6: - /* 0x6000-0x6FFF: thermal alarms */ - known_ev = hotkey_notify_thermal(hkey, &send_acpi_ev, + /* 0x6000-0x6FFF: thermal alarms/notices and + * keyboard events */ + known_ev = hotkey_notify_6xxx(hkey, &send_acpi_ev, &ignore_acpi_ev); break; case 7: diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c index e5f7b8fe51f4..2bb8f451cc06 100644 --- a/drivers/regulator/db8500-prcmu.c +++ b/drivers/regulator/db8500-prcmu.c @@ -266,7 +266,7 @@ static struct regulator_ops db8500_regulator_switch_ops = { * Regulator information */ static struct db8500_regulator_info - db8500_regulator_info[DB8500_NUM_REGULATORS] = { +db8500_regulator_info[DB8500_NUM_REGULATORS] = { [DB8500_REGULATOR_VAPE] = { .desc = { .name = "db8500-vape", @@ -492,11 +492,9 @@ static int __devinit db8500_regulator_probe(struct platform_device *pdev) info->desc.name, err); /* if failing, unregister all earlier regulators */ - i--; - while (i >= 0) { + while (--i >= 0) { info = &db8500_regulator_info[i]; regulator_unregister(info->rdev); - i--; } return err; } @@ -536,13 +534,7 @@ static struct platform_driver db8500_regulator_driver = { static int __init db8500_regulator_init(void) { - int ret; - - ret = platform_driver_register(&db8500_regulator_driver); - if (ret < 0) - return -ENODEV; - - return 0; + return platform_driver_register(&db8500_regulator_driver); } static void __exit db8500_regulator_exit(void) diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c index daff7fd0e95c..486ed8141fcd 100644 --- a/drivers/regulator/max8952.c +++ b/drivers/regulator/max8952.c @@ -139,7 +139,7 @@ static int max8952_set_voltage(struct regulator_dev *rdev, s8 vid = -1, i; if (!gpio_is_valid(max8952->pdata->gpio_vid0) || - !gpio_is_valid(max8952->pdata->gpio_vid0)) { + !gpio_is_valid(max8952->pdata->gpio_vid1)) { /* DVS not supported */ return -EPERM; } diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c index 10d5a1d9768e..ad6628ca94f4 100644 --- a/drivers/regulator/max8997.c +++ b/drivers/regulator/max8997.c @@ -39,25 +39,28 @@ struct max8997_data { struct regulator_dev **rdev; int ramp_delay; /* in mV/us */ + bool buck1_gpiodvs; + bool buck2_gpiodvs; + bool buck5_gpiodvs; u8 buck1_vol[8]; u8 buck2_vol[8]; u8 buck5_vol[8]; + int buck125_gpios[3]; int buck125_gpioindex; + bool ignore_gpiodvs_side_effect; u8 saved_states[MAX8997_REG_MAX]; }; static inline void max8997_set_gpio(struct max8997_data *max8997) { - struct max8997_platform_data *pdata = - dev_get_platdata(max8997->iodev->dev); int set3 = (max8997->buck125_gpioindex) & 0x1; int set2 = ((max8997->buck125_gpioindex) >> 1) & 0x1; int set1 = ((max8997->buck125_gpioindex) >> 2) & 0x1; - gpio_set_value(pdata->buck125_gpios[0], set1); - gpio_set_value(pdata->buck125_gpios[1], set2); - gpio_set_value(pdata->buck125_gpios[2], set3); + gpio_set_value(max8997->buck125_gpios[0], set1); + gpio_set_value(max8997->buck125_gpios[1], set2); + gpio_set_value(max8997->buck125_gpios[2], set3); } struct voltage_map_desc { @@ -380,8 +383,6 @@ static int max8997_get_voltage_register(struct regulator_dev *rdev, static int max8997_get_voltage(struct regulator_dev *rdev) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct max8997_platform_data *pdata = - dev_get_platdata(max8997->iodev->dev); struct i2c_client *i2c = max8997->iodev->i2c; int reg, shift, mask, ret; int rid = max8997_get_rid(rdev); @@ -391,9 +392,9 @@ static int max8997_get_voltage(struct regulator_dev *rdev) if (ret) return ret; - if ((rid == MAX8997_BUCK1 && pdata->buck1_gpiodvs) || - (rid == MAX8997_BUCK2 && pdata->buck2_gpiodvs) || - (rid == MAX8997_BUCK5 && pdata->buck5_gpiodvs)) + if ((rid == MAX8997_BUCK1 && max8997->buck1_gpiodvs) || + (rid == MAX8997_BUCK2 && max8997->buck2_gpiodvs) || + (rid == MAX8997_BUCK5 && max8997->buck5_gpiodvs)) reg += max8997->buck125_gpioindex; ret = max8997_read_reg(i2c, reg, &val); @@ -543,7 +544,8 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev, rid == MAX8997_BUCK4 || rid == MAX8997_BUCK5) { /* If the voltage is increasing */ if (org < i) - udelay(desc->step * (i - org) / max8997->ramp_delay); + udelay(DIV_ROUND_UP(desc->step * (i - org), + max8997->ramp_delay)); } return ret; @@ -561,8 +563,6 @@ static int max8997_assess_side_effect(struct regulator_dev *rdev, u8 new_val, int *best) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct max8997_platform_data *pdata = - dev_get_platdata(max8997->iodev->dev); int rid = max8997_get_rid(rdev); u8 *buckx_val[3]; bool buckx_gpiodvs[3]; @@ -589,9 +589,9 @@ static int max8997_assess_side_effect(struct regulator_dev *rdev, buckx_val[0] = max8997->buck1_vol; buckx_val[1] = max8997->buck2_vol; buckx_val[2] = max8997->buck5_vol; - buckx_gpiodvs[0] = pdata->buck1_gpiodvs; - buckx_gpiodvs[1] = pdata->buck2_gpiodvs; - buckx_gpiodvs[2] = pdata->buck5_gpiodvs; + buckx_gpiodvs[0] = max8997->buck1_gpiodvs; + buckx_gpiodvs[1] = max8997->buck2_gpiodvs; + buckx_gpiodvs[2] = max8997->buck5_gpiodvs; for (i = 0; i < 8; i++) { int others; @@ -640,8 +640,6 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev, int min_uV, int max_uV, unsigned *selector) { struct max8997_data *max8997 = rdev_get_drvdata(rdev); - struct max8997_platform_data *pdata = - dev_get_platdata(max8997->iodev->dev); int rid = max8997_get_rid(rdev); const struct voltage_map_desc *desc; int new_val, new_idx, damage, tmp_val, tmp_idx, tmp_dmg; @@ -653,15 +651,15 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev, switch (rid) { case MAX8997_BUCK1: - if (pdata->buck1_gpiodvs) + if (max8997->buck1_gpiodvs) gpio_dvs_mode = true; break; case MAX8997_BUCK2: - if (pdata->buck2_gpiodvs) + if (max8997->buck2_gpiodvs) gpio_dvs_mode = true; break; case MAX8997_BUCK5: - if (pdata->buck5_gpiodvs) + if (max8997->buck5_gpiodvs) gpio_dvs_mode = true; break; } @@ -695,7 +693,7 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev, new_idx = tmp_idx; new_val = tmp_val; - if (pdata->ignore_gpiodvs_side_effect == false) + if (max8997->ignore_gpiodvs_side_effect == false) return -EINVAL; dev_warn(&rdev->dev, "MAX8997 GPIO-DVS Side Effect Warning: GPIO SET:" @@ -993,6 +991,11 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev) i2c = max8997->iodev->i2c; max8997->buck125_gpioindex = pdata->buck125_default_idx; + max8997->buck1_gpiodvs = pdata->buck1_gpiodvs; + max8997->buck2_gpiodvs = pdata->buck2_gpiodvs; + max8997->buck5_gpiodvs = pdata->buck5_gpiodvs; + memcpy(max8997->buck125_gpios, pdata->buck125_gpios, sizeof(int) * 3); + max8997->ignore_gpiodvs_side_effect = pdata->ignore_gpiodvs_side_effect; for (i = 0; i < 8; i++) { max8997->buck1_vol[i] = ret = @@ -1124,6 +1127,10 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev) 0x3f); } + /* Misc Settings */ + max8997->ramp_delay = 10; /* set 10mV/us, which is the default */ + max8997_write_reg(i2c, MAX8997_REG_BUCKRAMP, (0xf << 4) | 0x9); + for (i = 0; i < pdata->num_regulators; i++) { const struct voltage_map_desc *desc; int id = pdata->regulators[i].id; @@ -1148,10 +1155,6 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev) } } - /* Misc Settings */ - max8997->ramp_delay = 10; /* set 10mV/us, which is the default */ - max8997_write_reg(i2c, MAX8997_REG_BUCKRAMP, (0xf << 4) | 0x9); - return 0; err: for (i = 0; i < max8997->num_regulators; i++) diff --git a/drivers/spi/spi_s3c64xx.c b/drivers/spi/spi_s3c64xx.c index 795828b90f45..8945e201e42e 100644 --- a/drivers/spi/spi_s3c64xx.c +++ b/drivers/spi/spi_s3c64xx.c @@ -116,9 +116,7 @@ (((i)->fifo_lvl_mask + 1))) \ ? 1 : 0) -#define S3C64XX_SPI_ST_TX_DONE(v, i) ((((v) >> (i)->rx_lvl_offset) & \ - (((i)->fifo_lvl_mask + 1) << 1)) \ - ? 1 : 0) +#define S3C64XX_SPI_ST_TX_DONE(v, i) (((v) & (1 << (i)->tx_st_done)) ? 1 : 0) #define TX_FIFO_LVL(v, i) (((v) >> 6) & (i)->fifo_lvl_mask) #define RX_FIFO_LVL(v, i) (((v) >> (i)->rx_lvl_offset) & (i)->fifo_lvl_mask) diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c index 2a20dabec76d..d6620ad309ce 100644 --- a/drivers/ssb/driver_pcicore.c +++ b/drivers/ssb/driver_pcicore.c @@ -516,8 +516,17 @@ static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc) static void ssb_pcicore_init_clientmode(struct ssb_pcicore *pc) { + ssb_pcicore_fix_sprom_core_index(pc); + /* Disable PCI interrupts. */ ssb_write32(pc->dev, SSB_INTVEC, 0); + + /* Additional PCIe always once-executed workarounds */ + if (pc->dev->id.coreid == SSB_DEV_PCIE) { + ssb_pcicore_serdes_workaround(pc); + /* TODO: ASPM */ + /* TODO: Clock Request Update */ + } } void ssb_pcicore_init(struct ssb_pcicore *pc) @@ -529,8 +538,6 @@ void ssb_pcicore_init(struct ssb_pcicore *pc) if (!ssb_device_is_enabled(dev)) ssb_device_enable(dev, 0); - ssb_pcicore_fix_sprom_core_index(pc); - #ifdef CONFIG_SSB_PCICORE_HOSTMODE pc->hostmode = pcicore_is_in_hostmode(pc); if (pc->hostmode) @@ -538,13 +545,6 @@ void ssb_pcicore_init(struct ssb_pcicore *pc) #endif /* CONFIG_SSB_PCICORE_HOSTMODE */ if (!pc->hostmode) ssb_pcicore_init_clientmode(pc); - - /* Additional PCIe always once-executed workarounds */ - if (dev->id.coreid == SSB_DEV_PCIE) { - ssb_pcicore_serdes_workaround(pc); - /* TODO: ASPM */ - /* TODO: Clock Request Update */ - } } static u32 ssb_pcie_read(struct ssb_pcicore *pc, u32 address) diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index e0719b4ee189..0b5ec234c787 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1147,6 +1147,14 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0) * any drivers bound to them (a key side effect) */ if (dev->actconfig) { + /* + * FIXME: In order to avoid self-deadlock involving the + * bandwidth_mutex, we have to mark all the interfaces + * before unregistering any of them. + */ + for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++) + dev->actconfig->interface[i]->unregistering = 1; + for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++) { struct usb_interface *interface; @@ -1156,7 +1164,6 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0) continue; dev_dbg(&dev->dev, "unregistering interface %s\n", dev_name(&interface->dev)); - interface->unregistering = 1; remove_intf_ep_devs(interface); device_del(&interface->dev); } diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c index ad57593d224a..a0c8965c1a79 100644 --- a/drivers/w1/masters/ds1wm.c +++ b/drivers/w1/masters/ds1wm.c @@ -109,6 +109,7 @@ struct ds1wm_data { /* byte to write that makes all intr disabled, */ /* considering active_state (IAS) (optimization) */ u8 int_en_reg_none; + unsigned int reset_recover_delay; /* see ds1wm.h */ }; static inline void ds1wm_write_register(struct ds1wm_data *ds1wm_data, u32 reg, @@ -187,6 +188,9 @@ static int ds1wm_reset(struct ds1wm_data *ds1wm_data) return 1; } + if (ds1wm_data->reset_recover_delay) + msleep(ds1wm_data->reset_recover_delay); + return 0; } @@ -490,6 +494,7 @@ static int ds1wm_probe(struct platform_device *pdev) } ds1wm_data->irq = res->start; ds1wm_data->int_en_reg_none = (plat->active_high ? DS1WM_INTEN_IAS : 0); + ds1wm_data->reset_recover_delay = plat->reset_recover_delay; if (res->flags & IORESOURCE_IRQ_HIGHEDGE) irq_set_irq_type(ds1wm_data->irq, IRQ_TYPE_EDGE_RISING); diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 9536d386bb38..21d816e9dfa5 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -599,8 +599,7 @@ config IT87_WDT config HP_WATCHDOG tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" - depends on X86 - default m + depends on X86 && PCI help A software monitoring watchdog and NMI sourcing driver. This driver will detect lockups and provide a stack trace. This is a driver that diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index f30ac05dbda7..3b859a3e6a0e 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1335,6 +1335,11 @@ struct btrfs_ioctl_defrag_range_args { */ #define BTRFS_STRING_ITEM_KEY 253 +/* + * Flags for mount options. + * + * Note: don't forget to add new options to btrfs_show_options() + */ #define BTRFS_MOUNT_NODATASUM (1 << 0) #define BTRFS_MOUNT_NODATACOW (1 << 1) #define BTRFS_MOUNT_NOBARRIER (1 << 2) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index d340f63d8f07..3601f0aebddf 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2678,12 +2678,14 @@ noinline int btrfs_update_inode(struct btrfs_trans_handle *trans, int ret; /* - * If root is tree root, it means this inode is used to - * store free space information. And these inodes are updated - * when committing the transaction, so they needn't delaye to - * be updated, or deadlock will occured. + * If the inode is a free space inode, we can deadlock during commit + * if we put it into the delayed code. + * + * The data relocation inode should also be directly updated + * without delay */ - if (!is_free_space_inode(root, inode)) { + if (!is_free_space_inode(root, inode) + && root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID) { ret = btrfs_delayed_update_inode(trans, root, inode); if (!ret) btrfs_set_inode_last_trans(trans, inode); diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 0bb4ebbb71b7..15634d4648d7 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -723,6 +723,12 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs) seq_puts(seq, ",clear_cache"); if (btrfs_test_opt(root, USER_SUBVOL_RM_ALLOWED)) seq_puts(seq, ",user_subvol_rm_allowed"); + if (btrfs_test_opt(root, ENOSPC_DEBUG)) + seq_puts(seq, ",enospc_debug"); + if (btrfs_test_opt(root, AUTO_DEFRAG)) + seq_puts(seq, ",autodefrag"); + if (btrfs_test_opt(root, INODE_MAP_CACHE)) + seq_puts(seq, ",inode_cache"); return 0; } diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 1efa56e18f9b..19450bc53632 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2098,7 +2098,8 @@ int btrfs_balance(struct btrfs_root *dev_root) chunk_root->root_key.objectid, found_key.objectid, found_key.offset); - BUG_ON(ret && ret != -ENOSPC); + if (ret && ret != -ENOSPC) + goto error; key.offset = found_key.offset - 1; } ret = 0; diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 79743d146be6..0c1d91756528 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1438,12 +1438,15 @@ char *ceph_mdsc_build_path(struct dentry *dentry, int *plen, u64 *base, struct dentry *temp; char *path; int len, pos; + unsigned seq; if (dentry == NULL) return ERR_PTR(-EINVAL); retry: len = 0; + seq = read_seqbegin(&rename_lock); + rcu_read_lock(); for (temp = dentry; !IS_ROOT(temp);) { struct inode *inode = temp->d_inode; if (inode && ceph_snap(inode) == CEPH_SNAPDIR) @@ -1455,10 +1458,12 @@ retry: len += 1 + temp->d_name.len; temp = temp->d_parent; if (temp == NULL) { + rcu_read_unlock(); pr_err("build_path corrupt dentry %p\n", dentry); return ERR_PTR(-EINVAL); } } + rcu_read_unlock(); if (len) len--; /* no leading '/' */ @@ -1467,9 +1472,12 @@ retry: return ERR_PTR(-ENOMEM); pos = len; path[pos] = 0; /* trailing null */ + rcu_read_lock(); for (temp = dentry; !IS_ROOT(temp) && pos != 0; ) { - struct inode *inode = temp->d_inode; + struct inode *inode; + spin_lock(&temp->d_lock); + inode = temp->d_inode; if (inode && ceph_snap(inode) == CEPH_SNAPDIR) { dout("build_path path+%d: %p SNAPDIR\n", pos, temp); @@ -1478,21 +1486,26 @@ retry: break; } else { pos -= temp->d_name.len; - if (pos < 0) + if (pos < 0) { + spin_unlock(&temp->d_lock); break; + } strncpy(path + pos, temp->d_name.name, temp->d_name.len); } + spin_unlock(&temp->d_lock); if (pos) path[--pos] = '/'; temp = temp->d_parent; if (temp == NULL) { + rcu_read_unlock(); pr_err("build_path corrupt dentry\n"); kfree(path); return ERR_PTR(-EINVAL); } } - if (pos != 0) { + rcu_read_unlock(); + if (pos != 0 || read_seqretry(&rename_lock, seq)) { pr_err("build_path did not end path lookup where " "expected, namelen is %d, pos is %d\n", len, pos); /* presumably this is only possible if racing with a diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 35f9154615fa..bc4b12ca537b 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -35,6 +35,7 @@ #include <linux/delay.h> #include <linux/kthread.h> #include <linux/freezer.h> +#include <linux/namei.h> #include <net/ipv6.h> #include "cifsfs.h" #include "cifspdu.h" @@ -542,14 +543,12 @@ static const struct super_operations cifs_super_ops = { static struct dentry * cifs_get_root(struct smb_vol *vol, struct super_block *sb) { - int xid, rc; - struct inode *inode; - struct qstr name; - struct dentry *dparent = NULL, *dchild = NULL, *alias; + struct dentry *dentry; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); - unsigned int i, full_len, len; - char *full_path = NULL, *pstart; + char *full_path = NULL; + char *s, *p; char sep; + int xid; full_path = cifs_build_path_to_root(vol, cifs_sb, cifs_sb_master_tcon(cifs_sb)); @@ -560,73 +559,32 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) xid = GetXid(); sep = CIFS_DIR_SEP(cifs_sb); - dparent = dget(sb->s_root); - full_len = strlen(full_path); - full_path[full_len] = sep; - pstart = full_path + 1; - - for (i = 1, len = 0; i <= full_len; i++) { - if (full_path[i] != sep || !len) { - len++; - continue; - } - - full_path[i] = 0; - cFYI(1, "get dentry for %s", pstart); - - name.name = pstart; - name.len = len; - name.hash = full_name_hash(pstart, len); - dchild = d_lookup(dparent, &name); - if (dchild == NULL) { - cFYI(1, "not exists"); - dchild = d_alloc(dparent, &name); - if (dchild == NULL) { - dput(dparent); - dparent = ERR_PTR(-ENOMEM); - goto out; - } - } - - cFYI(1, "get inode"); - if (dchild->d_inode == NULL) { - cFYI(1, "not exists"); - inode = NULL; - if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext) - rc = cifs_get_inode_info_unix(&inode, full_path, - sb, xid); - else - rc = cifs_get_inode_info(&inode, full_path, - NULL, sb, xid, NULL); - if (rc) { - dput(dchild); - dput(dparent); - dparent = ERR_PTR(rc); - goto out; - } - alias = d_materialise_unique(dchild, inode); - if (alias != NULL) { - dput(dchild); - if (IS_ERR(alias)) { - dput(dparent); - dparent = ERR_PTR(-EINVAL); /* XXX */ - goto out; - } - dchild = alias; - } - } - cFYI(1, "parent %p, child %p", dparent, dchild); - - dput(dparent); - dparent = dchild; - len = 0; - pstart = full_path + i + 1; - full_path[i] = sep; - } -out: + dentry = dget(sb->s_root); + p = s = full_path; + + do { + struct inode *dir = dentry->d_inode; + struct dentry *child; + + /* skip separators */ + while (*s == sep) + s++; + if (!*s) + break; + p = s++; + /* next separator */ + while (*s && *s != sep) + s++; + + mutex_lock(&dir->i_mutex); + child = lookup_one_len(p, dentry, s - p); + mutex_unlock(&dir->i_mutex); + dput(dentry); + dentry = child; + } while (!IS_ERR(dentry)); _FreeXid(xid); kfree(full_path); - return dparent; + return dentry; } static int cifs_set_super(struct super_block *sb, void *data) @@ -649,9 +607,9 @@ cifs_do_mount(struct file_system_type *fs_type, cFYI(1, "Devname: %s flags: %d ", dev_name, flags); - rc = cifs_setup_volume_info(&volume_info, (char *)data, dev_name); - if (rc) - return ERR_PTR(rc); + volume_info = cifs_get_volume_info((char *)data, dev_name); + if (IS_ERR(volume_info)) + return ERR_CAST(volume_info); cifs_sb = kzalloc(sizeof(struct cifs_sb_info), GFP_KERNEL); if (cifs_sb == NULL) { @@ -713,7 +671,7 @@ cifs_do_mount(struct file_system_type *fs_type, out_super: deactivate_locked_super(sb); out: - cifs_cleanup_volume_info(&volume_info); + cifs_cleanup_volume_info(volume_info); return root; out_mountdata: diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 0900e1658c96..036ca83e5f46 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -129,5 +129,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); extern const struct export_operations cifs_export_ops; #endif /* CIFS_NFSD_EXPORT */ -#define CIFS_VERSION "1.73" +#define CIFS_VERSION "1.74" #endif /* _CIFSFS_H */ diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 257f312ede42..8df28e925e5b 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -154,9 +154,9 @@ extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *, extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, struct cifs_sb_info *cifs_sb); extern int cifs_match_super(struct super_block *, void *); -extern void cifs_cleanup_volume_info(struct smb_vol **pvolume_info); -extern int cifs_setup_volume_info(struct smb_vol **pvolume_info, - char *mount_data, const char *devname); +extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info); +extern struct smb_vol *cifs_get_volume_info(char *mount_data, + const char *devname); extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *); extern void cifs_umount(struct cifs_sb_info *); extern void cifs_dfs_release_automount_timer(void); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index c8cb83ef6f6f..ccc1afa0bf3b 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -65,6 +65,8 @@ static int ip_connect(struct TCP_Server_Info *server); static int generic_ip_connect(struct TCP_Server_Info *server); static void tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink); static void cifs_prune_tlinks(struct work_struct *work); +static int cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data, + const char *devname); /* * cifs tcp session reconnection @@ -2240,8 +2242,8 @@ cifs_match_super(struct super_block *sb, void *data) rc = compare_mount_options(sb, mnt_data); out: - cifs_put_tlink(tlink); spin_unlock(&cifs_tcp_ses_lock); + cifs_put_tlink(tlink); return rc; } @@ -2830,15 +2832,9 @@ is_path_accessible(int xid, struct cifs_tcon *tcon, return rc; } -void -cifs_cleanup_volume_info(struct smb_vol **pvolume_info) +static void +cleanup_volume_info_contents(struct smb_vol *volume_info) { - struct smb_vol *volume_info; - - if (!pvolume_info || !*pvolume_info) - return; - - volume_info = *pvolume_info; kfree(volume_info->username); kzfree(volume_info->password); kfree(volume_info->UNC); @@ -2846,28 +2842,44 @@ cifs_cleanup_volume_info(struct smb_vol **pvolume_info) kfree(volume_info->domainname); kfree(volume_info->iocharset); kfree(volume_info->prepath); +} + +void +cifs_cleanup_volume_info(struct smb_vol *volume_info) +{ + if (!volume_info) + return; + cleanup_volume_info_contents(volume_info); kfree(volume_info); - *pvolume_info = NULL; - return; } + #ifdef CONFIG_CIFS_DFS_UPCALL /* build_path_to_root returns full path to root when * we do not have an exiting connection (tcon) */ static char * -build_unc_path_to_root(const struct smb_vol *volume_info, +build_unc_path_to_root(const struct smb_vol *vol, const struct cifs_sb_info *cifs_sb) { - char *full_path; + char *full_path, *pos; + unsigned int pplen = vol->prepath ? strlen(vol->prepath) : 0; + unsigned int unc_len = strnlen(vol->UNC, MAX_TREE_SIZE + 1); - int unc_len = strnlen(volume_info->UNC, MAX_TREE_SIZE + 1); - full_path = kmalloc(unc_len + 1, GFP_KERNEL); + full_path = kmalloc(unc_len + pplen + 1, GFP_KERNEL); if (full_path == NULL) return ERR_PTR(-ENOMEM); - strncpy(full_path, volume_info->UNC, unc_len); - full_path[unc_len] = 0; /* add trailing null */ + strncpy(full_path, vol->UNC, unc_len); + pos = full_path + unc_len; + + if (pplen) { + strncpy(pos, vol->prepath, pplen); + pos += pplen; + } + + *pos = '\0'; /* add trailing null */ convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb)); + cFYI(1, "%s: full_path=%s", __func__, full_path); return full_path; } @@ -2910,15 +2922,18 @@ expand_dfs_referral(int xid, struct cifs_ses *pSesInfo, &fake_devname); free_dfs_info_array(referrals, num_referrals); - kfree(fake_devname); - - if (cifs_sb->mountdata != NULL) - kfree(cifs_sb->mountdata); if (IS_ERR(mdata)) { rc = PTR_ERR(mdata); mdata = NULL; + } else { + cleanup_volume_info_contents(volume_info); + memset(volume_info, '\0', sizeof(*volume_info)); + rc = cifs_setup_volume_info(volume_info, mdata, + fake_devname); } + kfree(fake_devname); + kfree(cifs_sb->mountdata); cifs_sb->mountdata = mdata; } kfree(full_path); @@ -2926,33 +2941,20 @@ expand_dfs_referral(int xid, struct cifs_ses *pSesInfo, } #endif -int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data, - const char *devname) +static int +cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data, + const char *devname) { - struct smb_vol *volume_info; int rc = 0; - *pvolume_info = NULL; - - volume_info = kzalloc(sizeof(struct smb_vol), GFP_KERNEL); - if (!volume_info) { - rc = -ENOMEM; - goto out; - } - - if (cifs_parse_mount_options(mount_data, devname, - volume_info)) { - rc = -EINVAL; - goto out; - } + if (cifs_parse_mount_options(mount_data, devname, volume_info)) + return -EINVAL; if (volume_info->nullauth) { cFYI(1, "null user"); volume_info->username = kzalloc(1, GFP_KERNEL); - if (volume_info->username == NULL) { - rc = -ENOMEM; - goto out; - } + if (volume_info->username == NULL) + return -ENOMEM; } else if (volume_info->username) { /* BB fixme parse for domain name here */ cFYI(1, "Username: %s", volume_info->username); @@ -2960,8 +2962,7 @@ int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data, cifserror("No username specified"); /* In userspace mount helper we can get user name from alternate locations such as env variables and files on disk */ - rc = -EINVAL; - goto out; + return -EINVAL; } /* this is needed for ASCII cp to Unicode converts */ @@ -2973,18 +2974,32 @@ int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data, if (volume_info->local_nls == NULL) { cERROR(1, "CIFS mount error: iocharset %s not found", volume_info->iocharset); - rc = -ELIBACC; - goto out; + return -ELIBACC; } } - *pvolume_info = volume_info; - return rc; -out: - cifs_cleanup_volume_info(&volume_info); return rc; } +struct smb_vol * +cifs_get_volume_info(char *mount_data, const char *devname) +{ + int rc; + struct smb_vol *volume_info; + + volume_info = kzalloc(sizeof(struct smb_vol), GFP_KERNEL); + if (!volume_info) + return ERR_PTR(-ENOMEM); + + rc = cifs_setup_volume_info(volume_info, mount_data, devname); + if (rc) { + cifs_cleanup_volume_info(volume_info); + volume_info = ERR_PTR(rc); + } + + return volume_info; +} + int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info) { @@ -2997,6 +3012,7 @@ cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info) struct tcon_link *tlink; #ifdef CONFIG_CIFS_DFS_UPCALL int referral_walks_count = 0; +#endif rc = bdi_setup_and_register(&cifs_sb->bdi, "cifs", BDI_CAP_MAP_COPY); if (rc) @@ -3004,6 +3020,7 @@ cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info) cifs_sb->bdi.ra_pages = default_backing_dev_info.ra_pages; +#ifdef CONFIG_CIFS_DFS_UPCALL try_mount_again: /* cleanup activities if we're chasing a referral */ if (referral_walks_count) { @@ -3012,7 +3029,6 @@ try_mount_again: else if (pSesInfo) cifs_put_smb_ses(pSesInfo); - cifs_cleanup_volume_info(&volume_info); FreeXid(xid); } #endif @@ -3469,7 +3485,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, uid_t fsuid) goto out; } - snprintf(username, MAX_USERNAME_SIZE, "krb50x%x", fsuid); + snprintf(username, sizeof(username), "krb50x%x", fsuid); vol_info->username = username; vol_info->local_nls = cifs_sb->local_nls; vol_info->linux_uid = fsuid; diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 81914df47ef1..fa8c21d913bc 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -55,6 +55,7 @@ build_path_from_dentry(struct dentry *direntry) char dirsep; struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb); struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); + unsigned seq; if (direntry == NULL) return NULL; /* not much we can do if dentry is freed and @@ -68,22 +69,29 @@ build_path_from_dentry(struct dentry *direntry) dfsplen = 0; cifs_bp_rename_retry: namelen = dfsplen; + seq = read_seqbegin(&rename_lock); + rcu_read_lock(); for (temp = direntry; !IS_ROOT(temp);) { namelen += (1 + temp->d_name.len); temp = temp->d_parent; if (temp == NULL) { cERROR(1, "corrupt dentry"); + rcu_read_unlock(); return NULL; } } + rcu_read_unlock(); full_path = kmalloc(namelen+1, GFP_KERNEL); if (full_path == NULL) return full_path; full_path[namelen] = 0; /* trailing null */ + rcu_read_lock(); for (temp = direntry; !IS_ROOT(temp);) { + spin_lock(&temp->d_lock); namelen -= 1 + temp->d_name.len; if (namelen < 0) { + spin_unlock(&temp->d_lock); break; } else { full_path[namelen] = dirsep; @@ -91,14 +99,17 @@ cifs_bp_rename_retry: temp->d_name.len); cFYI(0, "name: %s", full_path + namelen); } + spin_unlock(&temp->d_lock); temp = temp->d_parent; if (temp == NULL) { cERROR(1, "corrupt dentry"); + rcu_read_unlock(); kfree(full_path); return NULL; } } - if (namelen != dfsplen) { + rcu_read_unlock(); + if (namelen != dfsplen || read_seqretry(&rename_lock, seq)) { cERROR(1, "did not end path lookup where expected namelen is %d", namelen); /* presumably this is only possible if racing with a rename diff --git a/fs/cifs/file.c b/fs/cifs/file.c index bb71471a4d9d..a9b4a24f2a16 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1737,7 +1737,7 @@ cifs_iovec_read(struct file *file, const struct iovec *iov, io_parms.pid = pid; io_parms.tcon = pTcon; io_parms.offset = *poffset; - io_parms.length = len; + io_parms.length = cur_len; rc = CIFSSMBRead(xid, &io_parms, &bytes_read, &read_data, &buf_type); pSMBr = (struct smb_com_read_rsp *)read_data; diff --git a/fs/cifs/fscache.c b/fs/cifs/fscache.c index 816696621ec9..42e5363b4102 100644 --- a/fs/cifs/fscache.c +++ b/fs/cifs/fscache.c @@ -92,6 +92,7 @@ static void cifs_fscache_disable_inode_cookie(struct inode *inode) if (cifsi->fscache) { cFYI(1, "%s: (0x%p)", __func__, cifsi->fscache); + fscache_uncache_all_inode_pages(cifsi->fscache, inode); fscache_relinquish_cookie(cifsi->fscache, 1); cifsi->fscache = NULL; } diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 3892ab817a36..d3e619692ee0 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -428,8 +428,7 @@ static void build_ntlmssp_negotiate_blob(unsigned char *pbuffer, (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) { flags |= NTLMSSP_NEGOTIATE_SIGN; if (!ses->server->session_estab) - flags |= NTLMSSP_NEGOTIATE_KEY_XCH | - NTLMSSP_NEGOTIATE_EXTENDED_SEC; + flags |= NTLMSSP_NEGOTIATE_KEY_XCH; } sec_blob->NegotiateFlags = cpu_to_le32(flags); @@ -465,10 +464,11 @@ static int build_ntlmssp_auth_blob(unsigned char *pbuffer, NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_EXTENDED_SEC; if (ses->server->sec_mode & - (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) + (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) { flags |= NTLMSSP_NEGOTIATE_SIGN; - if (ses->server->sec_mode & SECMODE_SIGN_REQUIRED) - flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN; + if (!ses->server->session_estab) + flags |= NTLMSSP_NEGOTIATE_KEY_XCH; + } tmp = pbuffer + sizeof(AUTHENTICATE_MESSAGE); sec_blob->NegotiateFlags = cpu_to_le32(flags); diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index e141939080f0..739fb59bcdc2 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -37,7 +37,7 @@ static DEFINE_MUTEX(read_mutex); /* These macros may change in future, to provide better st_ino semantics. */ #define OFFSET(x) ((x)->i_ino) -static unsigned long cramino(struct cramfs_inode *cino, unsigned int offset) +static unsigned long cramino(const struct cramfs_inode *cino, unsigned int offset) { if (!cino->offset) return offset + 1; @@ -61,7 +61,7 @@ static unsigned long cramino(struct cramfs_inode *cino, unsigned int offset) } static struct inode *get_cramfs_inode(struct super_block *sb, - struct cramfs_inode *cramfs_inode, unsigned int offset) + const struct cramfs_inode *cramfs_inode, unsigned int offset) { struct inode *inode; static struct timespec zerotime; @@ -317,7 +317,7 @@ static int cramfs_fill_super(struct super_block *sb, void *data, int silent) /* Set it all up.. */ sb->s_op = &cramfs_ops; root = get_cramfs_inode(sb, &super.root, 0); - if (!root) + if (IS_ERR(root)) goto out; sb->s_root = d_alloc_root(root); if (!sb->s_root) { @@ -423,6 +423,7 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir) static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) { unsigned int offset = 0; + struct inode *inode = NULL; int sorted; mutex_lock(&read_mutex); @@ -449,8 +450,8 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s for (;;) { if (!namelen) { - mutex_unlock(&read_mutex); - return ERR_PTR(-EIO); + inode = ERR_PTR(-EIO); + goto out; } if (name[namelen-1]) break; @@ -462,17 +463,18 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s if (retval > 0) continue; if (!retval) { - struct cramfs_inode entry = *de; - mutex_unlock(&read_mutex); - d_add(dentry, get_cramfs_inode(dir->i_sb, &entry, dir_off)); - return NULL; + inode = get_cramfs_inode(dir->i_sb, de, dir_off); + break; } /* else (retval < 0) */ if (sorted) break; } +out: mutex_unlock(&read_mutex); - d_add(dentry, NULL); + if (IS_ERR(inode)) + return ERR_CAST(inode); + d_add(dentry, inode); return NULL; } diff --git a/fs/dcache.c b/fs/dcache.c index 37f72ee5bf7c..fbdcbca40725 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1813,8 +1813,6 @@ seqretry: tname = dentry->d_name.name; i = dentry->d_inode; prefetch(tname); - if (i) - prefetch(i); /* * This seqcount check is required to ensure name and * len are loaded atomically, so as not to walk off the @@ -2213,14 +2211,15 @@ static void dentry_unlock_parents_for_move(struct dentry *dentry, * The hash value has to match the hash queue that the dentry is on.. */ /* - * d_move - move a dentry + * __d_move - move a dentry * @dentry: entry to move * @target: new dentry * * Update the dcache to reflect the move of a file name. Negative - * dcache entries should not be moved in this way. + * dcache entries should not be moved in this way. Caller hold + * rename_lock. */ -void d_move(struct dentry * dentry, struct dentry * target) +static void __d_move(struct dentry * dentry, struct dentry * target) { if (!dentry->d_inode) printk(KERN_WARNING "VFS: moving negative dcache entry\n"); @@ -2228,8 +2227,6 @@ void d_move(struct dentry * dentry, struct dentry * target) BUG_ON(d_ancestor(dentry, target)); BUG_ON(d_ancestor(target, dentry)); - write_seqlock(&rename_lock); - dentry_lock_for_move(dentry, target); write_seqcount_begin(&dentry->d_seq); @@ -2275,6 +2272,20 @@ void d_move(struct dentry * dentry, struct dentry * target) spin_unlock(&target->d_lock); fsnotify_d_move(dentry); spin_unlock(&dentry->d_lock); +} + +/* + * d_move - move a dentry + * @dentry: entry to move + * @target: new dentry + * + * Update the dcache to reflect the move of a file name. Negative + * dcache entries should not be moved in this way. + */ +void d_move(struct dentry *dentry, struct dentry *target) +{ + write_seqlock(&rename_lock); + __d_move(dentry, target); write_sequnlock(&rename_lock); } EXPORT_SYMBOL(d_move); @@ -2302,7 +2313,7 @@ struct dentry *d_ancestor(struct dentry *p1, struct dentry *p2) * This helper attempts to cope with remotely renamed directories * * It assumes that the caller is already holding - * dentry->d_parent->d_inode->i_mutex and the inode->i_lock + * dentry->d_parent->d_inode->i_mutex, inode->i_lock and rename_lock * * Note: If ever the locking in lock_rename() changes, then please * remember to update this too... @@ -2317,11 +2328,6 @@ static struct dentry *__d_unalias(struct inode *inode, if (alias->d_parent == dentry->d_parent) goto out_unalias; - /* Check for loops */ - ret = ERR_PTR(-ELOOP); - if (d_ancestor(alias, dentry)) - goto out_err; - /* See lock_rename() */ ret = ERR_PTR(-EBUSY); if (!mutex_trylock(&dentry->d_sb->s_vfs_rename_mutex)) @@ -2331,7 +2337,7 @@ static struct dentry *__d_unalias(struct inode *inode, goto out_err; m2 = &alias->d_parent->d_inode->i_mutex; out_unalias: - d_move(alias, dentry); + __d_move(alias, dentry); ret = alias; out_err: spin_unlock(&inode->i_lock); @@ -2416,15 +2422,24 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode) alias = __d_find_alias(inode, 0); if (alias) { actual = alias; - /* Is this an anonymous mountpoint that we could splice - * into our tree? */ - if (IS_ROOT(alias)) { + write_seqlock(&rename_lock); + + if (d_ancestor(alias, dentry)) { + /* Check for loops */ + actual = ERR_PTR(-ELOOP); + } else if (IS_ROOT(alias)) { + /* Is this an anonymous mountpoint that we + * could splice into our tree? */ __d_materialise_dentry(dentry, alias); + write_sequnlock(&rename_lock); __d_drop(alias); goto found; + } else { + /* Nope, but we must(!) avoid directory + * aliasing */ + actual = __d_unalias(inode, dentry, alias); } - /* Nope, but we must(!) avoid directory aliasing */ - actual = __d_unalias(inode, dentry, alias); + write_sequnlock(&rename_lock); if (IS_ERR(actual)) dput(alias); goto out_nolock; diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c index abc49f292454..90e5997262ea 100644 --- a/fs/dlm/ast.c +++ b/fs/dlm/ast.c @@ -14,17 +14,9 @@ #include "dlm_internal.h" #include "lock.h" #include "user.h" -#include "ast.h" - -#define WAKE_ASTS 0 - -static uint64_t ast_seq_count; -static struct list_head ast_queue; -static spinlock_t ast_queue_lock; -static struct task_struct * astd_task; -static unsigned long astd_wakeflags; -static struct mutex astd_running; +static uint64_t dlm_cb_seq; +static spinlock_t dlm_cb_seq_spin; static void dlm_dump_lkb_callbacks(struct dlm_lkb *lkb) { @@ -57,21 +49,13 @@ static void dlm_dump_lkb_callbacks(struct dlm_lkb *lkb) } } -void dlm_del_ast(struct dlm_lkb *lkb) -{ - spin_lock(&ast_queue_lock); - if (!list_empty(&lkb->lkb_astqueue)) - list_del_init(&lkb->lkb_astqueue); - spin_unlock(&ast_queue_lock); -} - int dlm_add_lkb_callback(struct dlm_lkb *lkb, uint32_t flags, int mode, int status, uint32_t sbflags, uint64_t seq) { struct dlm_ls *ls = lkb->lkb_resource->res_ls; uint64_t prev_seq; int prev_mode; - int i; + int i, rv; for (i = 0; i < DLM_CALLBACKS_SIZE; i++) { if (lkb->lkb_callbacks[i].seq) @@ -100,7 +84,8 @@ int dlm_add_lkb_callback(struct dlm_lkb *lkb, uint32_t flags, int mode, mode, (unsigned long long)prev_seq, prev_mode); - return 0; + rv = 0; + goto out; } } @@ -109,6 +94,7 @@ int dlm_add_lkb_callback(struct dlm_lkb *lkb, uint32_t flags, int mode, lkb->lkb_callbacks[i].mode = mode; lkb->lkb_callbacks[i].sb_status = status; lkb->lkb_callbacks[i].sb_flags = (sbflags & 0x000000FF); + rv = 0; break; } @@ -117,21 +103,24 @@ int dlm_add_lkb_callback(struct dlm_lkb *lkb, uint32_t flags, int mode, lkb->lkb_id, (unsigned long long)seq, flags, mode, status, sbflags); dlm_dump_lkb_callbacks(lkb); - return -1; + rv = -1; + goto out; } - - return 0; + out: + return rv; } int dlm_rem_lkb_callback(struct dlm_ls *ls, struct dlm_lkb *lkb, struct dlm_callback *cb, int *resid) { - int i; + int i, rv; *resid = 0; - if (!lkb->lkb_callbacks[0].seq) - return -ENOENT; + if (!lkb->lkb_callbacks[0].seq) { + rv = -ENOENT; + goto out; + } /* oldest undelivered cb is callbacks[0] */ @@ -163,7 +152,8 @@ int dlm_rem_lkb_callback(struct dlm_ls *ls, struct dlm_lkb *lkb, cb->mode, (unsigned long long)lkb->lkb_last_cast.seq, lkb->lkb_last_cast.mode); - return 0; + rv = 0; + goto out; } } @@ -176,171 +166,150 @@ int dlm_rem_lkb_callback(struct dlm_ls *ls, struct dlm_lkb *lkb, memcpy(&lkb->lkb_last_bast, cb, sizeof(struct dlm_callback)); lkb->lkb_last_bast_time = ktime_get(); } - - return 0; + rv = 0; + out: + return rv; } -void dlm_add_ast(struct dlm_lkb *lkb, uint32_t flags, int mode, int status, - uint32_t sbflags) +void dlm_add_cb(struct dlm_lkb *lkb, uint32_t flags, int mode, int status, + uint32_t sbflags) { - uint64_t seq; + struct dlm_ls *ls = lkb->lkb_resource->res_ls; + uint64_t new_seq, prev_seq; int rv; - spin_lock(&ast_queue_lock); - - seq = ++ast_seq_count; + spin_lock(&dlm_cb_seq_spin); + new_seq = ++dlm_cb_seq; + spin_unlock(&dlm_cb_seq_spin); if (lkb->lkb_flags & DLM_IFL_USER) { - spin_unlock(&ast_queue_lock); - dlm_user_add_ast(lkb, flags, mode, status, sbflags, seq); + dlm_user_add_ast(lkb, flags, mode, status, sbflags, new_seq); return; } - rv = dlm_add_lkb_callback(lkb, flags, mode, status, sbflags, seq); - if (rv < 0) { - spin_unlock(&ast_queue_lock); - return; - } + mutex_lock(&lkb->lkb_cb_mutex); + prev_seq = lkb->lkb_callbacks[0].seq; - if (list_empty(&lkb->lkb_astqueue)) { + rv = dlm_add_lkb_callback(lkb, flags, mode, status, sbflags, new_seq); + if (rv < 0) + goto out; + + if (!prev_seq) { kref_get(&lkb->lkb_ref); - list_add_tail(&lkb->lkb_astqueue, &ast_queue); - } - spin_unlock(&ast_queue_lock); - set_bit(WAKE_ASTS, &astd_wakeflags); - wake_up_process(astd_task); + if (test_bit(LSFL_CB_DELAY, &ls->ls_flags)) { + mutex_lock(&ls->ls_cb_mutex); + list_add(&lkb->lkb_cb_list, &ls->ls_cb_delay); + mutex_unlock(&ls->ls_cb_mutex); + } else { + queue_work(ls->ls_callback_wq, &lkb->lkb_cb_work); + } + } + out: + mutex_unlock(&lkb->lkb_cb_mutex); } -static void process_asts(void) +void dlm_callback_work(struct work_struct *work) { - struct dlm_ls *ls = NULL; - struct dlm_rsb *r = NULL; - struct dlm_lkb *lkb; + struct dlm_lkb *lkb = container_of(work, struct dlm_lkb, lkb_cb_work); + struct dlm_ls *ls = lkb->lkb_resource->res_ls; void (*castfn) (void *astparam); void (*bastfn) (void *astparam, int mode); struct dlm_callback callbacks[DLM_CALLBACKS_SIZE]; int i, rv, resid; -repeat: - spin_lock(&ast_queue_lock); - list_for_each_entry(lkb, &ast_queue, lkb_astqueue) { - r = lkb->lkb_resource; - ls = r->res_ls; + memset(&callbacks, 0, sizeof(callbacks)); - if (dlm_locking_stopped(ls)) - continue; - - /* we remove from astqueue list and remove everything in - lkb_callbacks before releasing the spinlock so empty - lkb_astqueue is always consistent with empty lkb_callbacks */ - - list_del_init(&lkb->lkb_astqueue); - - castfn = lkb->lkb_astfn; - bastfn = lkb->lkb_bastfn; + mutex_lock(&lkb->lkb_cb_mutex); + if (!lkb->lkb_callbacks[0].seq) { + /* no callback work exists, shouldn't happen */ + log_error(ls, "dlm_callback_work %x no work", lkb->lkb_id); + dlm_print_lkb(lkb); + dlm_dump_lkb_callbacks(lkb); + } - memset(&callbacks, 0, sizeof(callbacks)); + for (i = 0; i < DLM_CALLBACKS_SIZE; i++) { + rv = dlm_rem_lkb_callback(ls, lkb, &callbacks[i], &resid); + if (rv < 0) + break; + } - for (i = 0; i < DLM_CALLBACKS_SIZE; i++) { - rv = dlm_rem_lkb_callback(ls, lkb, &callbacks[i], &resid); - if (rv < 0) - break; - } - spin_unlock(&ast_queue_lock); + if (resid) { + /* cbs remain, loop should have removed all, shouldn't happen */ + log_error(ls, "dlm_callback_work %x resid %d", lkb->lkb_id, + resid); + dlm_print_lkb(lkb); + dlm_dump_lkb_callbacks(lkb); + } + mutex_unlock(&lkb->lkb_cb_mutex); - if (resid) { - /* shouldn't happen, for loop should have removed all */ - log_error(ls, "callback resid %d lkb %x", - resid, lkb->lkb_id); - } + castfn = lkb->lkb_astfn; + bastfn = lkb->lkb_bastfn; - for (i = 0; i < DLM_CALLBACKS_SIZE; i++) { - if (!callbacks[i].seq) - break; - if (callbacks[i].flags & DLM_CB_SKIP) { - continue; - } else if (callbacks[i].flags & DLM_CB_BAST) { - bastfn(lkb->lkb_astparam, callbacks[i].mode); - } else if (callbacks[i].flags & DLM_CB_CAST) { - lkb->lkb_lksb->sb_status = callbacks[i].sb_status; - lkb->lkb_lksb->sb_flags = callbacks[i].sb_flags; - castfn(lkb->lkb_astparam); - } + for (i = 0; i < DLM_CALLBACKS_SIZE; i++) { + if (!callbacks[i].seq) + break; + if (callbacks[i].flags & DLM_CB_SKIP) { + continue; + } else if (callbacks[i].flags & DLM_CB_BAST) { + bastfn(lkb->lkb_astparam, callbacks[i].mode); + } else if (callbacks[i].flags & DLM_CB_CAST) { + lkb->lkb_lksb->sb_status = callbacks[i].sb_status; + lkb->lkb_lksb->sb_flags = callbacks[i].sb_flags; + castfn(lkb->lkb_astparam); } - - /* removes ref for ast_queue, may cause lkb to be freed */ - dlm_put_lkb(lkb); - - cond_resched(); - goto repeat; } - spin_unlock(&ast_queue_lock); -} - -static inline int no_asts(void) -{ - int ret; - spin_lock(&ast_queue_lock); - ret = list_empty(&ast_queue); - spin_unlock(&ast_queue_lock); - return ret; + /* undo kref_get from dlm_add_callback, may cause lkb to be freed */ + dlm_put_lkb(lkb); } -static int dlm_astd(void *data) +int dlm_callback_start(struct dlm_ls *ls) { - while (!kthread_should_stop()) { - set_current_state(TASK_INTERRUPTIBLE); - if (!test_bit(WAKE_ASTS, &astd_wakeflags)) - schedule(); - set_current_state(TASK_RUNNING); - - mutex_lock(&astd_running); - if (test_and_clear_bit(WAKE_ASTS, &astd_wakeflags)) - process_asts(); - mutex_unlock(&astd_running); + ls->ls_callback_wq = alloc_workqueue("dlm_callback", + WQ_UNBOUND | + WQ_MEM_RECLAIM | + WQ_NON_REENTRANT, + 0); + if (!ls->ls_callback_wq) { + log_print("can't start dlm_callback workqueue"); + return -ENOMEM; } return 0; } -void dlm_astd_wake(void) +void dlm_callback_stop(struct dlm_ls *ls) { - if (!no_asts()) { - set_bit(WAKE_ASTS, &astd_wakeflags); - wake_up_process(astd_task); - } + if (ls->ls_callback_wq) + destroy_workqueue(ls->ls_callback_wq); } -int dlm_astd_start(void) +void dlm_callback_suspend(struct dlm_ls *ls) { - struct task_struct *p; - int error = 0; - - INIT_LIST_HEAD(&ast_queue); - spin_lock_init(&ast_queue_lock); - mutex_init(&astd_running); - - p = kthread_run(dlm_astd, NULL, "dlm_astd"); - if (IS_ERR(p)) - error = PTR_ERR(p); - else - astd_task = p; - return error; -} + set_bit(LSFL_CB_DELAY, &ls->ls_flags); -void dlm_astd_stop(void) -{ - kthread_stop(astd_task); + if (ls->ls_callback_wq) + flush_workqueue(ls->ls_callback_wq); } -void dlm_astd_suspend(void) +void dlm_callback_resume(struct dlm_ls *ls) { - mutex_lock(&astd_running); -} + struct dlm_lkb *lkb, *safe; + int count = 0; -void dlm_astd_resume(void) -{ - mutex_unlock(&astd_running); + clear_bit(LSFL_CB_DELAY, &ls->ls_flags); + + if (!ls->ls_callback_wq) + return; + + mutex_lock(&ls->ls_cb_mutex); + list_for_each_entry_safe(lkb, safe, &ls->ls_cb_delay, lkb_cb_list) { + list_del_init(&lkb->lkb_cb_list); + queue_work(ls->ls_callback_wq, &lkb->lkb_cb_work); + count++; + } + mutex_unlock(&ls->ls_cb_mutex); + + log_debug(ls, "dlm_callback_resume %d", count); } diff --git a/fs/dlm/ast.h b/fs/dlm/ast.h index 8aa89c9b5611..757b551c6820 100644 --- a/fs/dlm/ast.h +++ b/fs/dlm/ast.h @@ -18,14 +18,15 @@ int dlm_add_lkb_callback(struct dlm_lkb *lkb, uint32_t flags, int mode, int status, uint32_t sbflags, uint64_t seq); int dlm_rem_lkb_callback(struct dlm_ls *ls, struct dlm_lkb *lkb, struct dlm_callback *cb, int *resid); -void dlm_add_ast(struct dlm_lkb *lkb, uint32_t flags, int mode, int status, - uint32_t sbflags); +void dlm_add_cb(struct dlm_lkb *lkb, uint32_t flags, int mode, int status, + uint32_t sbflags); -void dlm_astd_wake(void); -int dlm_astd_start(void); -void dlm_astd_stop(void); -void dlm_astd_suspend(void); -void dlm_astd_resume(void); +void dlm_callback_work(struct work_struct *work); +int dlm_callback_start(struct dlm_ls *ls); +void dlm_callback_stop(struct dlm_ls *ls); +void dlm_callback_suspend(struct dlm_ls *ls); +void dlm_callback_resume(struct dlm_ls *ls); #endif + diff --git a/fs/dlm/config.c b/fs/dlm/config.c index 9b026ea8baa9..6cf72fcc0d0c 100644 --- a/fs/dlm/config.c +++ b/fs/dlm/config.c @@ -28,7 +28,8 @@ * /config/dlm/<cluster>/spaces/<space>/nodes/<node>/weight * /config/dlm/<cluster>/comms/<comm>/nodeid * /config/dlm/<cluster>/comms/<comm>/local - * /config/dlm/<cluster>/comms/<comm>/addr + * /config/dlm/<cluster>/comms/<comm>/addr (write only) + * /config/dlm/<cluster>/comms/<comm>/addr_list (read only) * The <cluster> level is useless, but I haven't figured out how to avoid it. */ @@ -80,6 +81,7 @@ static ssize_t comm_local_write(struct dlm_comm *cm, const char *buf, size_t len); static ssize_t comm_addr_write(struct dlm_comm *cm, const char *buf, size_t len); +static ssize_t comm_addr_list_read(struct dlm_comm *cm, char *buf); static ssize_t node_nodeid_read(struct dlm_node *nd, char *buf); static ssize_t node_nodeid_write(struct dlm_node *nd, const char *buf, size_t len); @@ -92,7 +94,6 @@ struct dlm_cluster { unsigned int cl_tcp_port; unsigned int cl_buffer_size; unsigned int cl_rsbtbl_size; - unsigned int cl_lkbtbl_size; unsigned int cl_dirtbl_size; unsigned int cl_recover_timer; unsigned int cl_toss_secs; @@ -101,13 +102,13 @@ struct dlm_cluster { unsigned int cl_protocol; unsigned int cl_timewarn_cs; unsigned int cl_waitwarn_us; + unsigned int cl_new_rsb_count; }; enum { CLUSTER_ATTR_TCP_PORT = 0, CLUSTER_ATTR_BUFFER_SIZE, CLUSTER_ATTR_RSBTBL_SIZE, - CLUSTER_ATTR_LKBTBL_SIZE, CLUSTER_ATTR_DIRTBL_SIZE, CLUSTER_ATTR_RECOVER_TIMER, CLUSTER_ATTR_TOSS_SECS, @@ -116,6 +117,7 @@ enum { CLUSTER_ATTR_PROTOCOL, CLUSTER_ATTR_TIMEWARN_CS, CLUSTER_ATTR_WAITWARN_US, + CLUSTER_ATTR_NEW_RSB_COUNT, }; struct cluster_attribute { @@ -160,7 +162,6 @@ __CONFIGFS_ATTR(name, 0644, name##_read, name##_write) CLUSTER_ATTR(tcp_port, 1); CLUSTER_ATTR(buffer_size, 1); CLUSTER_ATTR(rsbtbl_size, 1); -CLUSTER_ATTR(lkbtbl_size, 1); CLUSTER_ATTR(dirtbl_size, 1); CLUSTER_ATTR(recover_timer, 1); CLUSTER_ATTR(toss_secs, 1); @@ -169,12 +170,12 @@ CLUSTER_ATTR(log_debug, 0); CLUSTER_ATTR(protocol, 0); CLUSTER_ATTR(timewarn_cs, 1); CLUSTER_ATTR(waitwarn_us, 0); +CLUSTER_ATTR(new_rsb_count, 0); static struct configfs_attribute *cluster_attrs[] = { [CLUSTER_ATTR_TCP_PORT] = &cluster_attr_tcp_port.attr, [CLUSTER_ATTR_BUFFER_SIZE] = &cluster_attr_buffer_size.attr, [CLUSTER_ATTR_RSBTBL_SIZE] = &cluster_attr_rsbtbl_size.attr, - [CLUSTER_ATTR_LKBTBL_SIZE] = &cluster_attr_lkbtbl_size.attr, [CLUSTER_ATTR_DIRTBL_SIZE] = &cluster_attr_dirtbl_size.attr, [CLUSTER_ATTR_RECOVER_TIMER] = &cluster_attr_recover_timer.attr, [CLUSTER_ATTR_TOSS_SECS] = &cluster_attr_toss_secs.attr, @@ -183,6 +184,7 @@ static struct configfs_attribute *cluster_attrs[] = { [CLUSTER_ATTR_PROTOCOL] = &cluster_attr_protocol.attr, [CLUSTER_ATTR_TIMEWARN_CS] = &cluster_attr_timewarn_cs.attr, [CLUSTER_ATTR_WAITWARN_US] = &cluster_attr_waitwarn_us.attr, + [CLUSTER_ATTR_NEW_RSB_COUNT] = &cluster_attr_new_rsb_count.attr, NULL, }; @@ -190,6 +192,7 @@ enum { COMM_ATTR_NODEID = 0, COMM_ATTR_LOCAL, COMM_ATTR_ADDR, + COMM_ATTR_ADDR_LIST, }; struct comm_attribute { @@ -217,14 +220,22 @@ static struct comm_attribute comm_attr_local = { static struct comm_attribute comm_attr_addr = { .attr = { .ca_owner = THIS_MODULE, .ca_name = "addr", - .ca_mode = S_IRUGO | S_IWUSR }, + .ca_mode = S_IWUSR }, .store = comm_addr_write, }; +static struct comm_attribute comm_attr_addr_list = { + .attr = { .ca_owner = THIS_MODULE, + .ca_name = "addr_list", + .ca_mode = S_IRUGO }, + .show = comm_addr_list_read, +}; + static struct configfs_attribute *comm_attrs[] = { [COMM_ATTR_NODEID] = &comm_attr_nodeid.attr, [COMM_ATTR_LOCAL] = &comm_attr_local.attr, [COMM_ATTR_ADDR] = &comm_attr_addr.attr, + [COMM_ATTR_ADDR_LIST] = &comm_attr_addr_list.attr, NULL, }; @@ -435,7 +446,6 @@ static struct config_group *make_cluster(struct config_group *g, cl->cl_tcp_port = dlm_config.ci_tcp_port; cl->cl_buffer_size = dlm_config.ci_buffer_size; cl->cl_rsbtbl_size = dlm_config.ci_rsbtbl_size; - cl->cl_lkbtbl_size = dlm_config.ci_lkbtbl_size; cl->cl_dirtbl_size = dlm_config.ci_dirtbl_size; cl->cl_recover_timer = dlm_config.ci_recover_timer; cl->cl_toss_secs = dlm_config.ci_toss_secs; @@ -444,6 +454,7 @@ static struct config_group *make_cluster(struct config_group *g, cl->cl_protocol = dlm_config.ci_protocol; cl->cl_timewarn_cs = dlm_config.ci_timewarn_cs; cl->cl_waitwarn_us = dlm_config.ci_waitwarn_us; + cl->cl_new_rsb_count = dlm_config.ci_new_rsb_count; space_list = &sps->ss_group; comm_list = &cms->cs_group; @@ -720,6 +731,50 @@ static ssize_t comm_addr_write(struct dlm_comm *cm, const char *buf, size_t len) return len; } +static ssize_t comm_addr_list_read(struct dlm_comm *cm, char *buf) +{ + ssize_t s; + ssize_t allowance; + int i; + struct sockaddr_storage *addr; + struct sockaddr_in *addr_in; + struct sockaddr_in6 *addr_in6; + + /* Taken from ip6_addr_string() defined in lib/vsprintf.c */ + char buf0[sizeof("AF_INET6 xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255\n")]; + + + /* Derived from SIMPLE_ATTR_SIZE of fs/configfs/file.c */ + allowance = 4096; + buf[0] = '\0'; + + for (i = 0; i < cm->addr_count; i++) { + addr = cm->addr[i]; + + switch(addr->ss_family) { + case AF_INET: + addr_in = (struct sockaddr_in *)addr; + s = sprintf(buf0, "AF_INET %pI4\n", &addr_in->sin_addr.s_addr); + break; + case AF_INET6: + addr_in6 = (struct sockaddr_in6 *)addr; + s = sprintf(buf0, "AF_INET6 %pI6\n", &addr_in6->sin6_addr); + break; + default: + s = sprintf(buf0, "%s\n", "<UNKNOWN>"); + break; + } + allowance -= s; + if (allowance >= 0) + strcat(buf, buf0); + else { + allowance += s; + break; + } + } + return 4096 - allowance; +} + static ssize_t show_node(struct config_item *i, struct configfs_attribute *a, char *buf) { @@ -983,7 +1038,6 @@ int dlm_our_addr(struct sockaddr_storage *addr, int num) #define DEFAULT_TCP_PORT 21064 #define DEFAULT_BUFFER_SIZE 4096 #define DEFAULT_RSBTBL_SIZE 1024 -#define DEFAULT_LKBTBL_SIZE 1024 #define DEFAULT_DIRTBL_SIZE 1024 #define DEFAULT_RECOVER_TIMER 5 #define DEFAULT_TOSS_SECS 10 @@ -992,12 +1046,12 @@ int dlm_our_addr(struct sockaddr_storage *addr, int num) #define DEFAULT_PROTOCOL 0 #define DEFAULT_TIMEWARN_CS 500 /* 5 sec = 500 centiseconds */ #define DEFAULT_WAITWARN_US 0 +#define DEFAULT_NEW_RSB_COUNT 128 struct dlm_config_info dlm_config = { .ci_tcp_port = DEFAULT_TCP_PORT, .ci_buffer_size = DEFAULT_BUFFER_SIZE, .ci_rsbtbl_size = DEFAULT_RSBTBL_SIZE, - .ci_lkbtbl_size = DEFAULT_LKBTBL_SIZE, .ci_dirtbl_size = DEFAULT_DIRTBL_SIZE, .ci_recover_timer = DEFAULT_RECOVER_TIMER, .ci_toss_secs = DEFAULT_TOSS_SECS, @@ -1005,6 +1059,7 @@ struct dlm_config_info dlm_config = { .ci_log_debug = DEFAULT_LOG_DEBUG, .ci_protocol = DEFAULT_PROTOCOL, .ci_timewarn_cs = DEFAULT_TIMEWARN_CS, - .ci_waitwarn_us = DEFAULT_WAITWARN_US + .ci_waitwarn_us = DEFAULT_WAITWARN_US, + .ci_new_rsb_count = DEFAULT_NEW_RSB_COUNT }; diff --git a/fs/dlm/config.h b/fs/dlm/config.h index dd0ce24d5a80..3099d0dd26c0 100644 --- a/fs/dlm/config.h +++ b/fs/dlm/config.h @@ -20,7 +20,6 @@ struct dlm_config_info { int ci_tcp_port; int ci_buffer_size; int ci_rsbtbl_size; - int ci_lkbtbl_size; int ci_dirtbl_size; int ci_recover_timer; int ci_toss_secs; @@ -29,6 +28,7 @@ struct dlm_config_info { int ci_protocol; int ci_timewarn_cs; int ci_waitwarn_us; + int ci_new_rsb_count; }; extern struct dlm_config_info dlm_config; diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index 0262451eb9c6..fe2860c02449 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -37,6 +37,7 @@ #include <linux/jhash.h> #include <linux/miscdevice.h> #include <linux/mutex.h> +#include <linux/idr.h> #include <asm/uaccess.h> #include <linux/dlm.h> @@ -52,7 +53,6 @@ struct dlm_ls; struct dlm_lkb; struct dlm_rsb; struct dlm_member; -struct dlm_lkbtable; struct dlm_rsbtable; struct dlm_dirtable; struct dlm_direntry; @@ -108,11 +108,6 @@ struct dlm_rsbtable { spinlock_t lock; }; -struct dlm_lkbtable { - struct list_head list; - rwlock_t lock; - uint16_t counter; -}; /* * Lockspace member (per node in a ls) @@ -248,17 +243,18 @@ struct dlm_lkb { int8_t lkb_wait_count; int lkb_wait_nodeid; /* for debugging */ - struct list_head lkb_idtbl_list; /* lockspace lkbtbl */ struct list_head lkb_statequeue; /* rsb g/c/w list */ struct list_head lkb_rsb_lookup; /* waiting for rsb lookup */ struct list_head lkb_wait_reply; /* waiting for remote reply */ - struct list_head lkb_astqueue; /* need ast to be sent */ struct list_head lkb_ownqueue; /* list of locks for a process */ struct list_head lkb_time_list; ktime_t lkb_timestamp; ktime_t lkb_wait_time; unsigned long lkb_timeout_cs; + struct mutex lkb_cb_mutex; + struct work_struct lkb_cb_work; + struct list_head lkb_cb_list; /* for ls_cb_delay or proc->asts */ struct dlm_callback lkb_callbacks[DLM_CALLBACKS_SIZE]; struct dlm_callback lkb_last_cast; struct dlm_callback lkb_last_bast; @@ -299,7 +295,7 @@ struct dlm_rsb { int res_recover_locks_count; char *res_lvbptr; - char res_name[1]; + char res_name[DLM_RESNAME_MAXLEN+1]; }; /* find_rsb() flags */ @@ -465,12 +461,12 @@ struct dlm_ls { unsigned long ls_scan_time; struct kobject ls_kobj; + struct idr ls_lkbidr; + spinlock_t ls_lkbidr_spin; + struct dlm_rsbtable *ls_rsbtbl; uint32_t ls_rsbtbl_size; - struct dlm_lkbtable *ls_lkbtbl; - uint32_t ls_lkbtbl_size; - struct dlm_dirtable *ls_dirtbl; uint32_t ls_dirtbl_size; @@ -483,6 +479,10 @@ struct dlm_ls { struct mutex ls_timeout_mutex; struct list_head ls_timeout; + spinlock_t ls_new_rsb_spin; + int ls_new_rsb_count; + struct list_head ls_new_rsb; /* new rsb structs */ + struct list_head ls_nodes; /* current nodes in ls */ struct list_head ls_nodes_gone; /* dead node list, recovery */ int ls_num_nodes; /* number of nodes in ls */ @@ -506,8 +506,12 @@ struct dlm_ls { struct miscdevice ls_device; + struct workqueue_struct *ls_callback_wq; + /* recovery related */ + struct mutex ls_cb_mutex; + struct list_head ls_cb_delay; /* save for queue_work later */ struct timer_list ls_timer; struct task_struct *ls_recoverd_task; struct mutex ls_recoverd_active; @@ -544,6 +548,7 @@ struct dlm_ls { #define LSFL_RCOM_WAIT 4 #define LSFL_UEVENT_WAIT 5 #define LSFL_TIMEWARN 6 +#define LSFL_CB_DELAY 7 /* much of this is just saving user space pointers associated with the lock that we pass back to the user lib with an ast */ diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index f71d0b5abd95..83b5e32514e1 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -305,7 +305,7 @@ static void queue_cast(struct dlm_rsb *r, struct dlm_lkb *lkb, int rv) rv = -EDEADLK; } - dlm_add_ast(lkb, DLM_CB_CAST, lkb->lkb_grmode, rv, lkb->lkb_sbflags); + dlm_add_cb(lkb, DLM_CB_CAST, lkb->lkb_grmode, rv, lkb->lkb_sbflags); } static inline void queue_cast_overlap(struct dlm_rsb *r, struct dlm_lkb *lkb) @@ -319,7 +319,7 @@ static void queue_bast(struct dlm_rsb *r, struct dlm_lkb *lkb, int rqmode) if (is_master_copy(lkb)) { send_bast(r, lkb, rqmode); } else { - dlm_add_ast(lkb, DLM_CB_BAST, rqmode, 0, 0); + dlm_add_cb(lkb, DLM_CB_BAST, rqmode, 0, 0); } } @@ -327,19 +327,68 @@ static void queue_bast(struct dlm_rsb *r, struct dlm_lkb *lkb, int rqmode) * Basic operations on rsb's and lkb's */ -static struct dlm_rsb *create_rsb(struct dlm_ls *ls, char *name, int len) +static int pre_rsb_struct(struct dlm_ls *ls) +{ + struct dlm_rsb *r1, *r2; + int count = 0; + + spin_lock(&ls->ls_new_rsb_spin); + if (ls->ls_new_rsb_count > dlm_config.ci_new_rsb_count / 2) { + spin_unlock(&ls->ls_new_rsb_spin); + return 0; + } + spin_unlock(&ls->ls_new_rsb_spin); + + r1 = dlm_allocate_rsb(ls); + r2 = dlm_allocate_rsb(ls); + + spin_lock(&ls->ls_new_rsb_spin); + if (r1) { + list_add(&r1->res_hashchain, &ls->ls_new_rsb); + ls->ls_new_rsb_count++; + } + if (r2) { + list_add(&r2->res_hashchain, &ls->ls_new_rsb); + ls->ls_new_rsb_count++; + } + count = ls->ls_new_rsb_count; + spin_unlock(&ls->ls_new_rsb_spin); + + if (!count) + return -ENOMEM; + return 0; +} + +/* If ls->ls_new_rsb is empty, return -EAGAIN, so the caller can + unlock any spinlocks, go back and call pre_rsb_struct again. + Otherwise, take an rsb off the list and return it. */ + +static int get_rsb_struct(struct dlm_ls *ls, char *name, int len, + struct dlm_rsb **r_ret) { struct dlm_rsb *r; + int count; - r = dlm_allocate_rsb(ls, len); - if (!r) - return NULL; + spin_lock(&ls->ls_new_rsb_spin); + if (list_empty(&ls->ls_new_rsb)) { + count = ls->ls_new_rsb_count; + spin_unlock(&ls->ls_new_rsb_spin); + log_debug(ls, "find_rsb retry %d %d %s", + count, dlm_config.ci_new_rsb_count, name); + return -EAGAIN; + } + + r = list_first_entry(&ls->ls_new_rsb, struct dlm_rsb, res_hashchain); + list_del(&r->res_hashchain); + ls->ls_new_rsb_count--; + spin_unlock(&ls->ls_new_rsb_spin); r->res_ls = ls; r->res_length = len; memcpy(r->res_name, name, len); mutex_init(&r->res_mutex); + INIT_LIST_HEAD(&r->res_hashchain); INIT_LIST_HEAD(&r->res_lookup); INIT_LIST_HEAD(&r->res_grantqueue); INIT_LIST_HEAD(&r->res_convertqueue); @@ -347,7 +396,8 @@ static struct dlm_rsb *create_rsb(struct dlm_ls *ls, char *name, int len) INIT_LIST_HEAD(&r->res_root_list); INIT_LIST_HEAD(&r->res_recover_list); - return r; + *r_ret = r; + return 0; } static int search_rsb_list(struct list_head *head, char *name, int len, @@ -405,16 +455,6 @@ static int _search_rsb(struct dlm_ls *ls, char *name, int len, int b, return error; } -static int search_rsb(struct dlm_ls *ls, char *name, int len, int b, - unsigned int flags, struct dlm_rsb **r_ret) -{ - int error; - spin_lock(&ls->ls_rsbtbl[b].lock); - error = _search_rsb(ls, name, len, b, flags, r_ret); - spin_unlock(&ls->ls_rsbtbl[b].lock); - return error; -} - /* * Find rsb in rsbtbl and potentially create/add one * @@ -432,35 +472,48 @@ static int search_rsb(struct dlm_ls *ls, char *name, int len, int b, static int find_rsb(struct dlm_ls *ls, char *name, int namelen, unsigned int flags, struct dlm_rsb **r_ret) { - struct dlm_rsb *r = NULL, *tmp; + struct dlm_rsb *r = NULL; uint32_t hash, bucket; - int error = -EINVAL; + int error; - if (namelen > DLM_RESNAME_MAXLEN) + if (namelen > DLM_RESNAME_MAXLEN) { + error = -EINVAL; goto out; + } if (dlm_no_directory(ls)) flags |= R_CREATE; - error = 0; hash = jhash(name, namelen, 0); bucket = hash & (ls->ls_rsbtbl_size - 1); - error = search_rsb(ls, name, namelen, bucket, flags, &r); + retry: + if (flags & R_CREATE) { + error = pre_rsb_struct(ls); + if (error < 0) + goto out; + } + + spin_lock(&ls->ls_rsbtbl[bucket].lock); + + error = _search_rsb(ls, name, namelen, bucket, flags, &r); if (!error) - goto out; + goto out_unlock; if (error == -EBADR && !(flags & R_CREATE)) - goto out; + goto out_unlock; /* the rsb was found but wasn't a master copy */ if (error == -ENOTBLK) - goto out; + goto out_unlock; - error = -ENOMEM; - r = create_rsb(ls, name, namelen); - if (!r) - goto out; + error = get_rsb_struct(ls, name, namelen, &r); + if (error == -EAGAIN) { + spin_unlock(&ls->ls_rsbtbl[bucket].lock); + goto retry; + } + if (error) + goto out_unlock; r->res_hash = hash; r->res_bucket = bucket; @@ -474,18 +527,10 @@ static int find_rsb(struct dlm_ls *ls, char *name, int namelen, nodeid = 0; r->res_nodeid = nodeid; } - - spin_lock(&ls->ls_rsbtbl[bucket].lock); - error = _search_rsb(ls, name, namelen, bucket, 0, &tmp); - if (!error) { - spin_unlock(&ls->ls_rsbtbl[bucket].lock); - dlm_free_rsb(r); - r = tmp; - goto out; - } list_add(&r->res_hashchain, &ls->ls_rsbtbl[bucket].list); - spin_unlock(&ls->ls_rsbtbl[bucket].lock); error = 0; + out_unlock: + spin_unlock(&ls->ls_rsbtbl[bucket].lock); out: *r_ret = r; return error; @@ -580,9 +625,8 @@ static void detach_lkb(struct dlm_lkb *lkb) static int create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret) { - struct dlm_lkb *lkb, *tmp; - uint32_t lkid = 0; - uint16_t bucket; + struct dlm_lkb *lkb; + int rv, id; lkb = dlm_allocate_lkb(ls); if (!lkb) @@ -594,60 +638,42 @@ static int create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret) INIT_LIST_HEAD(&lkb->lkb_ownqueue); INIT_LIST_HEAD(&lkb->lkb_rsb_lookup); INIT_LIST_HEAD(&lkb->lkb_time_list); - INIT_LIST_HEAD(&lkb->lkb_astqueue); + INIT_LIST_HEAD(&lkb->lkb_cb_list); + mutex_init(&lkb->lkb_cb_mutex); + INIT_WORK(&lkb->lkb_cb_work, dlm_callback_work); - get_random_bytes(&bucket, sizeof(bucket)); - bucket &= (ls->ls_lkbtbl_size - 1); - - write_lock(&ls->ls_lkbtbl[bucket].lock); + retry: + rv = idr_pre_get(&ls->ls_lkbidr, GFP_NOFS); + if (!rv) + return -ENOMEM; - /* counter can roll over so we must verify lkid is not in use */ + spin_lock(&ls->ls_lkbidr_spin); + rv = idr_get_new_above(&ls->ls_lkbidr, lkb, 1, &id); + if (!rv) + lkb->lkb_id = id; + spin_unlock(&ls->ls_lkbidr_spin); - while (lkid == 0) { - lkid = (bucket << 16) | ls->ls_lkbtbl[bucket].counter++; + if (rv == -EAGAIN) + goto retry; - list_for_each_entry(tmp, &ls->ls_lkbtbl[bucket].list, - lkb_idtbl_list) { - if (tmp->lkb_id != lkid) - continue; - lkid = 0; - break; - } + if (rv < 0) { + log_error(ls, "create_lkb idr error %d", rv); + return rv; } - lkb->lkb_id = lkid; - list_add(&lkb->lkb_idtbl_list, &ls->ls_lkbtbl[bucket].list); - write_unlock(&ls->ls_lkbtbl[bucket].lock); - *lkb_ret = lkb; return 0; } -static struct dlm_lkb *__find_lkb(struct dlm_ls *ls, uint32_t lkid) -{ - struct dlm_lkb *lkb; - uint16_t bucket = (lkid >> 16); - - list_for_each_entry(lkb, &ls->ls_lkbtbl[bucket].list, lkb_idtbl_list) { - if (lkb->lkb_id == lkid) - return lkb; - } - return NULL; -} - static int find_lkb(struct dlm_ls *ls, uint32_t lkid, struct dlm_lkb **lkb_ret) { struct dlm_lkb *lkb; - uint16_t bucket = (lkid >> 16); - - if (bucket >= ls->ls_lkbtbl_size) - return -EBADSLT; - read_lock(&ls->ls_lkbtbl[bucket].lock); - lkb = __find_lkb(ls, lkid); + spin_lock(&ls->ls_lkbidr_spin); + lkb = idr_find(&ls->ls_lkbidr, lkid); if (lkb) kref_get(&lkb->lkb_ref); - read_unlock(&ls->ls_lkbtbl[bucket].lock); + spin_unlock(&ls->ls_lkbidr_spin); *lkb_ret = lkb; return lkb ? 0 : -ENOENT; @@ -668,12 +694,12 @@ static void kill_lkb(struct kref *kref) static int __put_lkb(struct dlm_ls *ls, struct dlm_lkb *lkb) { - uint16_t bucket = (lkb->lkb_id >> 16); + uint32_t lkid = lkb->lkb_id; - write_lock(&ls->ls_lkbtbl[bucket].lock); + spin_lock(&ls->ls_lkbidr_spin); if (kref_put(&lkb->lkb_ref, kill_lkb)) { - list_del(&lkb->lkb_idtbl_list); - write_unlock(&ls->ls_lkbtbl[bucket].lock); + idr_remove(&ls->ls_lkbidr, lkid); + spin_unlock(&ls->ls_lkbidr_spin); detach_lkb(lkb); @@ -683,7 +709,7 @@ static int __put_lkb(struct dlm_ls *ls, struct dlm_lkb *lkb) dlm_free_lkb(lkb); return 1; } else { - write_unlock(&ls->ls_lkbtbl[bucket].lock); + spin_unlock(&ls->ls_lkbidr_spin); return 0; } } @@ -849,9 +875,7 @@ void dlm_scan_waiters(struct dlm_ls *ls) if (!num_nodes) { num_nodes = ls->ls_num_nodes; - warned = kmalloc(GFP_KERNEL, num_nodes * sizeof(int)); - if (warned) - memset(warned, 0, num_nodes * sizeof(int)); + warned = kzalloc(num_nodes * sizeof(int), GFP_KERNEL); } if (!warned) continue; @@ -863,9 +887,7 @@ void dlm_scan_waiters(struct dlm_ls *ls) dlm_config.ci_waitwarn_us, lkb->lkb_wait_nodeid); } mutex_unlock(&ls->ls_waiters_mutex); - - if (warned) - kfree(warned); + kfree(warned); if (debug_expired) log_debug(ls, "scan_waiters %u warn %u over %d us max %lld us", @@ -2401,9 +2423,6 @@ static int do_convert(struct dlm_rsb *r, struct dlm_lkb *lkb) if (deadlk) { /* it's left on the granted queue */ - log_debug(r->res_ls, "deadlock %x node %d sts%d g%d r%d %s", - lkb->lkb_id, lkb->lkb_nodeid, lkb->lkb_status, - lkb->lkb_grmode, lkb->lkb_rqmode, r->res_name); revert_lock(r, lkb); queue_cast(r, lkb, -EDEADLK); error = -EDEADLK; @@ -3993,8 +4012,6 @@ static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms) default: log_error(ls, "unknown message type %d", ms->m_type); } - - dlm_astd_wake(); } /* If the lockspace is in recovery mode (locking stopped), then normal @@ -4133,7 +4150,7 @@ void dlm_recover_waiters_pre(struct dlm_ls *ls) struct dlm_message *ms_stub; int wait_type, stub_unlock_result, stub_cancel_result; - ms_stub = kmalloc(GFP_KERNEL, sizeof(struct dlm_message)); + ms_stub = kmalloc(sizeof(struct dlm_message), GFP_KERNEL); if (!ms_stub) { log_error(ls, "dlm_recover_waiters_pre no mem"); return; @@ -4809,7 +4826,7 @@ int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp, goto out_put; spin_lock(&ua->proc->locks_spin); - /* dlm_user_add_ast() may have already taken lkb off the proc list */ + /* dlm_user_add_cb() may have already taken lkb off the proc list */ if (!list_empty(&lkb->lkb_ownqueue)) list_move(&lkb->lkb_ownqueue, &ua->proc->unlocking); spin_unlock(&ua->proc->locks_spin); @@ -4946,7 +4963,7 @@ static int unlock_proc_lock(struct dlm_ls *ls, struct dlm_lkb *lkb) /* We have to release clear_proc_locks mutex before calling unlock_proc_lock() (which does lock_rsb) due to deadlock with receiving a message that does - lock_rsb followed by dlm_user_add_ast() */ + lock_rsb followed by dlm_user_add_cb() */ static struct dlm_lkb *del_proc_lock(struct dlm_ls *ls, struct dlm_user_proc *proc) @@ -4969,7 +4986,7 @@ static struct dlm_lkb *del_proc_lock(struct dlm_ls *ls, return lkb; } -/* The ls_clear_proc_locks mutex protects against dlm_user_add_asts() which +/* The ls_clear_proc_locks mutex protects against dlm_user_add_cb() which 1) references lkb->ua which we free here and 2) adds lkbs to proc->asts, which we clear here. */ @@ -5011,10 +5028,10 @@ void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc) dlm_put_lkb(lkb); } - list_for_each_entry_safe(lkb, safe, &proc->asts, lkb_astqueue) { + list_for_each_entry_safe(lkb, safe, &proc->asts, lkb_cb_list) { memset(&lkb->lkb_callbacks, 0, sizeof(struct dlm_callback) * DLM_CALLBACKS_SIZE); - list_del_init(&lkb->lkb_astqueue); + list_del_init(&lkb->lkb_cb_list); dlm_put_lkb(lkb); } @@ -5053,10 +5070,10 @@ static void purge_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc) spin_unlock(&proc->locks_spin); spin_lock(&proc->asts_spin); - list_for_each_entry_safe(lkb, safe, &proc->asts, lkb_astqueue) { + list_for_each_entry_safe(lkb, safe, &proc->asts, lkb_cb_list) { memset(&lkb->lkb_callbacks, 0, sizeof(struct dlm_callback) * DLM_CALLBACKS_SIZE); - list_del_init(&lkb->lkb_astqueue); + list_del_init(&lkb->lkb_cb_list); dlm_put_lkb(lkb); } spin_unlock(&proc->asts_spin); diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c index 14cbf4099753..a1d8f1af144b 100644 --- a/fs/dlm/lockspace.c +++ b/fs/dlm/lockspace.c @@ -15,7 +15,6 @@ #include "lockspace.h" #include "member.h" #include "recoverd.h" -#include "ast.h" #include "dir.h" #include "lowcomms.h" #include "config.h" @@ -24,6 +23,7 @@ #include "recover.h" #include "requestqueue.h" #include "user.h" +#include "ast.h" static int ls_count; static struct mutex ls_lock; @@ -359,17 +359,10 @@ static int threads_start(void) { int error; - /* Thread which process lock requests for all lockspace's */ - error = dlm_astd_start(); - if (error) { - log_print("cannot start dlm_astd thread %d", error); - goto fail; - } - error = dlm_scand_start(); if (error) { log_print("cannot start dlm_scand thread %d", error); - goto astd_fail; + goto fail; } /* Thread for sending/receiving messages for all lockspace's */ @@ -383,8 +376,6 @@ static int threads_start(void) scand_fail: dlm_scand_stop(); - astd_fail: - dlm_astd_stop(); fail: return error; } @@ -393,7 +384,6 @@ static void threads_stop(void) { dlm_scand_stop(); dlm_lowcomms_stop(); - dlm_astd_stop(); } static int new_lockspace(const char *name, int namelen, void **lockspace, @@ -463,7 +453,7 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, size = dlm_config.ci_rsbtbl_size; ls->ls_rsbtbl_size = size; - ls->ls_rsbtbl = kmalloc(sizeof(struct dlm_rsbtable) * size, GFP_NOFS); + ls->ls_rsbtbl = vmalloc(sizeof(struct dlm_rsbtable) * size); if (!ls->ls_rsbtbl) goto out_lsfree; for (i = 0; i < size; i++) { @@ -472,22 +462,13 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, spin_lock_init(&ls->ls_rsbtbl[i].lock); } - size = dlm_config.ci_lkbtbl_size; - ls->ls_lkbtbl_size = size; - - ls->ls_lkbtbl = kmalloc(sizeof(struct dlm_lkbtable) * size, GFP_NOFS); - if (!ls->ls_lkbtbl) - goto out_rsbfree; - for (i = 0; i < size; i++) { - INIT_LIST_HEAD(&ls->ls_lkbtbl[i].list); - rwlock_init(&ls->ls_lkbtbl[i].lock); - ls->ls_lkbtbl[i].counter = 1; - } + idr_init(&ls->ls_lkbidr); + spin_lock_init(&ls->ls_lkbidr_spin); size = dlm_config.ci_dirtbl_size; ls->ls_dirtbl_size = size; - ls->ls_dirtbl = kmalloc(sizeof(struct dlm_dirtable) * size, GFP_NOFS); + ls->ls_dirtbl = vmalloc(sizeof(struct dlm_dirtable) * size); if (!ls->ls_dirtbl) goto out_lkbfree; for (i = 0; i < size; i++) { @@ -502,6 +483,9 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, INIT_LIST_HEAD(&ls->ls_timeout); mutex_init(&ls->ls_timeout_mutex); + INIT_LIST_HEAD(&ls->ls_new_rsb); + spin_lock_init(&ls->ls_new_rsb_spin); + INIT_LIST_HEAD(&ls->ls_nodes); INIT_LIST_HEAD(&ls->ls_nodes_gone); ls->ls_num_nodes = 0; @@ -520,6 +504,9 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, init_completion(&ls->ls_members_done); ls->ls_members_result = -1; + mutex_init(&ls->ls_cb_mutex); + INIT_LIST_HEAD(&ls->ls_cb_delay); + ls->ls_recoverd_task = NULL; mutex_init(&ls->ls_recoverd_active); spin_lock_init(&ls->ls_recover_lock); @@ -553,18 +540,26 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, list_add(&ls->ls_list, &lslist); spin_unlock(&lslist_lock); + if (flags & DLM_LSFL_FS) { + error = dlm_callback_start(ls); + if (error) { + log_error(ls, "can't start dlm_callback %d", error); + goto out_delist; + } + } + /* needs to find ls in lslist */ error = dlm_recoverd_start(ls); if (error) { log_error(ls, "can't start dlm_recoverd %d", error); - goto out_delist; + goto out_callback; } ls->ls_kobj.kset = dlm_kset; error = kobject_init_and_add(&ls->ls_kobj, &dlm_ktype, NULL, "%s", ls->ls_name); if (error) - goto out_stop; + goto out_recoverd; kobject_uevent(&ls->ls_kobj, KOBJ_ADD); /* let kobject handle freeing of ls if there's an error */ @@ -578,7 +573,7 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, error = do_uevent(ls, 1); if (error) - goto out_stop; + goto out_recoverd; wait_for_completion(&ls->ls_members_done); error = ls->ls_members_result; @@ -595,19 +590,20 @@ static int new_lockspace(const char *name, int namelen, void **lockspace, do_uevent(ls, 0); dlm_clear_members(ls); kfree(ls->ls_node_array); - out_stop: + out_recoverd: dlm_recoverd_stop(ls); + out_callback: + dlm_callback_stop(ls); out_delist: spin_lock(&lslist_lock); list_del(&ls->ls_list); spin_unlock(&lslist_lock); kfree(ls->ls_recover_buf); out_dirfree: - kfree(ls->ls_dirtbl); + vfree(ls->ls_dirtbl); out_lkbfree: - kfree(ls->ls_lkbtbl); - out_rsbfree: - kfree(ls->ls_rsbtbl); + idr_destroy(&ls->ls_lkbidr); + vfree(ls->ls_rsbtbl); out_lsfree: if (do_unreg) kobject_put(&ls->ls_kobj); @@ -641,50 +637,64 @@ int dlm_new_lockspace(const char *name, int namelen, void **lockspace, return error; } -/* Return 1 if the lockspace still has active remote locks, - * 2 if the lockspace still has active local locks. - */ -static int lockspace_busy(struct dlm_ls *ls) -{ - int i, lkb_found = 0; - struct dlm_lkb *lkb; - - /* NOTE: We check the lockidtbl here rather than the resource table. - This is because there may be LKBs queued as ASTs that have been - unlinked from their RSBs and are pending deletion once the AST has - been delivered */ - - for (i = 0; i < ls->ls_lkbtbl_size; i++) { - read_lock(&ls->ls_lkbtbl[i].lock); - if (!list_empty(&ls->ls_lkbtbl[i].list)) { - lkb_found = 1; - list_for_each_entry(lkb, &ls->ls_lkbtbl[i].list, - lkb_idtbl_list) { - if (!lkb->lkb_nodeid) { - read_unlock(&ls->ls_lkbtbl[i].lock); - return 2; - } - } - } - read_unlock(&ls->ls_lkbtbl[i].lock); +static int lkb_idr_is_local(int id, void *p, void *data) +{ + struct dlm_lkb *lkb = p; + + if (!lkb->lkb_nodeid) + return 1; + return 0; +} + +static int lkb_idr_is_any(int id, void *p, void *data) +{ + return 1; +} + +static int lkb_idr_free(int id, void *p, void *data) +{ + struct dlm_lkb *lkb = p; + + if (lkb->lkb_lvbptr && lkb->lkb_flags & DLM_IFL_MSTCPY) + dlm_free_lvb(lkb->lkb_lvbptr); + + dlm_free_lkb(lkb); + return 0; +} + +/* NOTE: We check the lkbidr here rather than the resource table. + This is because there may be LKBs queued as ASTs that have been unlinked + from their RSBs and are pending deletion once the AST has been delivered */ + +static int lockspace_busy(struct dlm_ls *ls, int force) +{ + int rv; + + spin_lock(&ls->ls_lkbidr_spin); + if (force == 0) { + rv = idr_for_each(&ls->ls_lkbidr, lkb_idr_is_any, ls); + } else if (force == 1) { + rv = idr_for_each(&ls->ls_lkbidr, lkb_idr_is_local, ls); + } else { + rv = 0; } - return lkb_found; + spin_unlock(&ls->ls_lkbidr_spin); + return rv; } static int release_lockspace(struct dlm_ls *ls, int force) { - struct dlm_lkb *lkb; struct dlm_rsb *rsb; struct list_head *head; int i, busy, rv; - busy = lockspace_busy(ls); + busy = lockspace_busy(ls, force); spin_lock(&lslist_lock); if (ls->ls_create_count == 1) { - if (busy > force) + if (busy) { rv = -EBUSY; - else { + } else { /* remove_lockspace takes ls off lslist */ ls->ls_create_count = 0; rv = 0; @@ -708,12 +718,12 @@ static int release_lockspace(struct dlm_ls *ls, int force) dlm_recoverd_stop(ls); + dlm_callback_stop(ls); + remove_lockspace(ls); dlm_delete_debug_file(ls); - dlm_astd_suspend(); - kfree(ls->ls_recover_buf); /* @@ -721,31 +731,15 @@ static int release_lockspace(struct dlm_ls *ls, int force) */ dlm_dir_clear(ls); - kfree(ls->ls_dirtbl); + vfree(ls->ls_dirtbl); /* - * Free all lkb's on lkbtbl[] lists. + * Free all lkb's in idr */ - for (i = 0; i < ls->ls_lkbtbl_size; i++) { - head = &ls->ls_lkbtbl[i].list; - while (!list_empty(head)) { - lkb = list_entry(head->next, struct dlm_lkb, - lkb_idtbl_list); - - list_del(&lkb->lkb_idtbl_list); - - dlm_del_ast(lkb); - - if (lkb->lkb_lvbptr && lkb->lkb_flags & DLM_IFL_MSTCPY) - dlm_free_lvb(lkb->lkb_lvbptr); - - dlm_free_lkb(lkb); - } - } - dlm_astd_resume(); - - kfree(ls->ls_lkbtbl); + idr_for_each(&ls->ls_lkbidr, lkb_idr_free, ls); + idr_remove_all(&ls->ls_lkbidr); + idr_destroy(&ls->ls_lkbidr); /* * Free all rsb's on rsbtbl[] lists @@ -770,7 +764,14 @@ static int release_lockspace(struct dlm_ls *ls, int force) } } - kfree(ls->ls_rsbtbl); + vfree(ls->ls_rsbtbl); + + while (!list_empty(&ls->ls_new_rsb)) { + rsb = list_first_entry(&ls->ls_new_rsb, struct dlm_rsb, + res_hashchain); + list_del(&rsb->res_hashchain); + dlm_free_rsb(rsb); + } /* * Free structures on any other lists diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 5e2c71f05e46..990626e7da80 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -512,12 +512,10 @@ static void process_sctp_notification(struct connection *con, } make_sockaddr(&prim.ssp_addr, 0, &addr_len); if (dlm_addr_to_nodeid(&prim.ssp_addr, &nodeid)) { - int i; unsigned char *b=(unsigned char *)&prim.ssp_addr; log_print("reject connect from unknown addr"); - for (i=0; i<sizeof(struct sockaddr_storage);i++) - printk("%02x ", b[i]); - printk("\n"); + print_hex_dump_bytes("ss: ", DUMP_PREFIX_NONE, + b, sizeof(struct sockaddr_storage)); sctp_send_shutdown(prim.ssp_assoc_id); return; } @@ -748,7 +746,10 @@ static int tcp_accept_from_sock(struct connection *con) /* Get the new node's NODEID */ make_sockaddr(&peeraddr, 0, &len); if (dlm_addr_to_nodeid(&peeraddr, &nodeid)) { + unsigned char *b=(unsigned char *)&peeraddr; log_print("connect from non cluster node"); + print_hex_dump_bytes("ss: ", DUMP_PREFIX_NONE, + b, sizeof(struct sockaddr_storage)); sock_release(newsock); mutex_unlock(&con->sock_mutex); return -1; diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c index 8e0d00db004f..da64df7576e1 100644 --- a/fs/dlm/memory.c +++ b/fs/dlm/memory.c @@ -16,6 +16,7 @@ #include "memory.h" static struct kmem_cache *lkb_cache; +static struct kmem_cache *rsb_cache; int __init dlm_memory_init(void) @@ -26,6 +27,14 @@ int __init dlm_memory_init(void) __alignof__(struct dlm_lkb), 0, NULL); if (!lkb_cache) ret = -ENOMEM; + + rsb_cache = kmem_cache_create("dlm_rsb", sizeof(struct dlm_rsb), + __alignof__(struct dlm_rsb), 0, NULL); + if (!rsb_cache) { + kmem_cache_destroy(lkb_cache); + ret = -ENOMEM; + } + return ret; } @@ -33,6 +42,8 @@ void dlm_memory_exit(void) { if (lkb_cache) kmem_cache_destroy(lkb_cache); + if (rsb_cache) + kmem_cache_destroy(rsb_cache); } char *dlm_allocate_lvb(struct dlm_ls *ls) @@ -48,16 +59,11 @@ void dlm_free_lvb(char *p) kfree(p); } -/* FIXME: have some minimal space built-in to rsb for the name and - kmalloc a separate name if needed, like dentries are done */ - -struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls, int namelen) +struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls) { struct dlm_rsb *r; - DLM_ASSERT(namelen <= DLM_RESNAME_MAXLEN,); - - r = kzalloc(sizeof(*r) + namelen, GFP_NOFS); + r = kmem_cache_zalloc(rsb_cache, GFP_NOFS); return r; } @@ -65,7 +71,7 @@ void dlm_free_rsb(struct dlm_rsb *r) { if (r->res_lvbptr) dlm_free_lvb(r->res_lvbptr); - kfree(r); + kmem_cache_free(rsb_cache, r); } struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls) diff --git a/fs/dlm/memory.h b/fs/dlm/memory.h index 485fb29143bd..177c11cbb0a6 100644 --- a/fs/dlm/memory.h +++ b/fs/dlm/memory.h @@ -16,7 +16,7 @@ int dlm_memory_init(void); void dlm_memory_exit(void); -struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls, int namelen); +struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls); void dlm_free_rsb(struct dlm_rsb *r); struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls); void dlm_free_lkb(struct dlm_lkb *l); diff --git a/fs/dlm/recoverd.c b/fs/dlm/recoverd.c index fd677c8c3d3b..774da3cf92c6 100644 --- a/fs/dlm/recoverd.c +++ b/fs/dlm/recoverd.c @@ -58,13 +58,7 @@ static int ls_recover(struct dlm_ls *ls, struct dlm_recover *rv) mutex_lock(&ls->ls_recoverd_active); - /* - * Suspending and resuming dlm_astd ensures that no lkb's from this ls - * will be processed by dlm_astd during recovery. - */ - - dlm_astd_suspend(); - dlm_astd_resume(); + dlm_callback_suspend(ls); /* * Free non-master tossed rsb's. Master rsb's are kept on toss @@ -202,6 +196,8 @@ static int ls_recover(struct dlm_ls *ls, struct dlm_recover *rv) dlm_adjust_timeouts(ls); + dlm_callback_resume(ls); + error = enable_locking(ls, rv->seq); if (error) { log_debug(ls, "enable_locking failed %d", error); @@ -222,8 +218,6 @@ static int ls_recover(struct dlm_ls *ls, struct dlm_recover *rv) dlm_grant_after_purge(ls); - dlm_astd_wake(); - log_debug(ls, "recover %llx done: %u ms", (unsigned long long)rv->seq, jiffies_to_msecs(jiffies - start)); diff --git a/fs/dlm/user.c b/fs/dlm/user.c index e96bf3e9be88..d8ea60756403 100644 --- a/fs/dlm/user.c +++ b/fs/dlm/user.c @@ -213,9 +213,9 @@ void dlm_user_add_ast(struct dlm_lkb *lkb, uint32_t flags, int mode, goto out; } - if (list_empty(&lkb->lkb_astqueue)) { + if (list_empty(&lkb->lkb_cb_list)) { kref_get(&lkb->lkb_ref); - list_add_tail(&lkb->lkb_astqueue, &proc->asts); + list_add_tail(&lkb->lkb_cb_list, &proc->asts); wake_up_interruptible(&proc->wait); } spin_unlock(&proc->asts_spin); @@ -832,24 +832,24 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count, } /* if we empty lkb_callbacks, we don't want to unlock the spinlock - without removing lkb_astqueue; so empty lkb_astqueue is always + without removing lkb_cb_list; so empty lkb_cb_list is always consistent with empty lkb_callbacks */ - lkb = list_entry(proc->asts.next, struct dlm_lkb, lkb_astqueue); + lkb = list_entry(proc->asts.next, struct dlm_lkb, lkb_cb_list); rv = dlm_rem_lkb_callback(lkb->lkb_resource->res_ls, lkb, &cb, &resid); if (rv < 0) { /* this shouldn't happen; lkb should have been removed from list when resid was zero */ log_print("dlm_rem_lkb_callback empty %x", lkb->lkb_id); - list_del_init(&lkb->lkb_astqueue); + list_del_init(&lkb->lkb_cb_list); spin_unlock(&proc->asts_spin); /* removes ref for proc->asts, may cause lkb to be freed */ dlm_put_lkb(lkb); goto try_another; } if (!resid) - list_del_init(&lkb->lkb_astqueue); + list_del_init(&lkb->lkb_cb_list); spin_unlock(&proc->asts_spin); if (cb.flags & DLM_CB_SKIP) { diff --git a/fs/exofs/super.c b/fs/exofs/super.c index 06065bd37fc3..c57beddcc217 100644 --- a/fs/exofs/super.c +++ b/fs/exofs/super.c @@ -913,7 +913,7 @@ struct dentry *exofs_get_parent(struct dentry *child) unsigned long ino = exofs_parent_ino(child); if (!ino) - return NULL; + return ERR_PTR(-ESTALE); return d_obtain_alias(exofs_iget(child->d_inode->i_sb, ino)); } diff --git a/fs/fscache/page.c b/fs/fscache/page.c index a2a5d19ece6a..3f7a59bfa7ad 100644 --- a/fs/fscache/page.c +++ b/fs/fscache/page.c @@ -954,3 +954,43 @@ void fscache_mark_pages_cached(struct fscache_retrieval *op, pagevec_reinit(pagevec); } EXPORT_SYMBOL(fscache_mark_pages_cached); + +/* + * Uncache all the pages in an inode that are marked PG_fscache, assuming them + * to be associated with the given cookie. + */ +void __fscache_uncache_all_inode_pages(struct fscache_cookie *cookie, + struct inode *inode) +{ + struct address_space *mapping = inode->i_mapping; + struct pagevec pvec; + pgoff_t next; + int i; + + _enter("%p,%p", cookie, inode); + + if (!mapping || mapping->nrpages == 0) { + _leave(" [no pages]"); + return; + } + + pagevec_init(&pvec, 0); + next = 0; + do { + if (!pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE)) + break; + for (i = 0; i < pagevec_count(&pvec); i++) { + struct page *page = pvec.pages[i]; + next = page->index; + if (PageFsCache(page)) { + __fscache_wait_on_page_write(cookie, page); + __fscache_uncache_page(cookie, page); + } + } + pagevec_release(&pvec); + cond_resched(); + } while (++next); + + _leave(""); +} +EXPORT_SYMBOL(__fscache_uncache_all_inode_pages); diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 802ac5eeba28..f9fbbe96c222 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -1069,6 +1069,7 @@ int gfs2_releasepage(struct page *page, gfp_t gfp_mask) return 0; gfs2_log_lock(sdp); + spin_lock(&sdp->sd_ail_lock); head = bh = page_buffers(page); do { if (atomic_read(&bh->b_count)) @@ -1080,6 +1081,7 @@ int gfs2_releasepage(struct page *page, gfp_t gfp_mask) goto not_possible; bh = bh->b_this_page; } while(bh != head); + spin_unlock(&sdp->sd_ail_lock); gfs2_log_unlock(sdp); head = bh = page_buffers(page); @@ -1112,6 +1114,7 @@ not_possible: /* Should never happen */ WARN_ON(buffer_dirty(bh)); WARN_ON(buffer_pinned(bh)); cannot_release: + spin_unlock(&sdp->sd_ail_lock); gfs2_log_unlock(sdp); return 0; } diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index e65493a8ac00..42e477f31223 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -854,11 +854,7 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh, blen++; else { if (bstart) { - if (metadata) - __gfs2_free_meta(ip, bstart, blen); - else - __gfs2_free_data(ip, bstart, blen); - + __gfs2_free_blocks(ip, bstart, blen, metadata); btotal += blen; } @@ -870,11 +866,7 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh, gfs2_add_inode_blocks(&ip->i_inode, -1); } if (bstart) { - if (metadata) - __gfs2_free_meta(ip, bstart, blen); - else - __gfs2_free_data(ip, bstart, blen); - + __gfs2_free_blocks(ip, bstart, blen, metadata); btotal += blen; } diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 091ee4779538..1cc2f8ec52a2 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -339,6 +339,67 @@ fail: return (copied) ? copied : error; } +/** + * gfs2_dir_get_hash_table - Get pointer to the dir hash table + * @ip: The inode in question + * + * Returns: The hash table or an error + */ + +static __be64 *gfs2_dir_get_hash_table(struct gfs2_inode *ip) +{ + struct inode *inode = &ip->i_inode; + int ret; + u32 hsize; + __be64 *hc; + + BUG_ON(!(ip->i_diskflags & GFS2_DIF_EXHASH)); + + hc = ip->i_hash_cache; + if (hc) + return hc; + + hsize = 1 << ip->i_depth; + hsize *= sizeof(__be64); + if (hsize != i_size_read(&ip->i_inode)) { + gfs2_consist_inode(ip); + return ERR_PTR(-EIO); + } + + hc = kmalloc(hsize, GFP_NOFS); + ret = -ENOMEM; + if (hc == NULL) + return ERR_PTR(-ENOMEM); + + ret = gfs2_dir_read_data(ip, (char *)hc, 0, hsize, 1); + if (ret < 0) { + kfree(hc); + return ERR_PTR(ret); + } + + spin_lock(&inode->i_lock); + if (ip->i_hash_cache) + kfree(hc); + else + ip->i_hash_cache = hc; + spin_unlock(&inode->i_lock); + + return ip->i_hash_cache; +} + +/** + * gfs2_dir_hash_inval - Invalidate dir hash + * @ip: The directory inode + * + * Must be called with an exclusive glock, or during glock invalidation. + */ +void gfs2_dir_hash_inval(struct gfs2_inode *ip) +{ + __be64 *hc = ip->i_hash_cache; + ip->i_hash_cache = NULL; + kfree(hc); +} + static inline int gfs2_dirent_sentinel(const struct gfs2_dirent *dent) { return dent->de_inum.no_addr == 0 || dent->de_inum.no_formal_ino == 0; @@ -686,17 +747,12 @@ static int get_leaf(struct gfs2_inode *dip, u64 leaf_no, static int get_leaf_nr(struct gfs2_inode *dip, u32 index, u64 *leaf_out) { - __be64 leaf_no; - int error; - - error = gfs2_dir_read_data(dip, (char *)&leaf_no, - index * sizeof(__be64), - sizeof(__be64), 0); - if (error != sizeof(u64)) - return (error < 0) ? error : -EIO; - - *leaf_out = be64_to_cpu(leaf_no); + __be64 *hash; + hash = gfs2_dir_get_hash_table(dip); + if (IS_ERR(hash)) + return PTR_ERR(hash); + *leaf_out = be64_to_cpu(*(hash + index)); return 0; } @@ -966,6 +1022,8 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name) for (x = 0; x < half_len; x++) lp[x] = cpu_to_be64(bn); + gfs2_dir_hash_inval(dip); + error = gfs2_dir_write_data(dip, (char *)lp, start * sizeof(u64), half_len * sizeof(u64)); if (error != half_len * sizeof(u64)) { @@ -1052,70 +1110,54 @@ fail_brelse: static int dir_double_exhash(struct gfs2_inode *dip) { - struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); struct buffer_head *dibh; u32 hsize; - u64 *buf; - u64 *from, *to; - u64 block; - u64 disksize = i_size_read(&dip->i_inode); + u32 hsize_bytes; + __be64 *hc; + __be64 *hc2, *h; int x; int error = 0; hsize = 1 << dip->i_depth; - if (hsize * sizeof(u64) != disksize) { - gfs2_consist_inode(dip); - return -EIO; - } + hsize_bytes = hsize * sizeof(__be64); - /* Allocate both the "from" and "to" buffers in one big chunk */ + hc = gfs2_dir_get_hash_table(dip); + if (IS_ERR(hc)) + return PTR_ERR(hc); - buf = kcalloc(3, sdp->sd_hash_bsize, GFP_NOFS); - if (!buf) + h = hc2 = kmalloc(hsize_bytes * 2, GFP_NOFS); + if (!hc2) return -ENOMEM; - for (block = disksize >> sdp->sd_hash_bsize_shift; block--;) { - error = gfs2_dir_read_data(dip, (char *)buf, - block * sdp->sd_hash_bsize, - sdp->sd_hash_bsize, 1); - if (error != sdp->sd_hash_bsize) { - if (error >= 0) - error = -EIO; - goto fail; - } - - from = buf; - to = (u64 *)((char *)buf + sdp->sd_hash_bsize); - - for (x = sdp->sd_hash_ptrs; x--; from++) { - *to++ = *from; /* No endianess worries */ - *to++ = *from; - } + error = gfs2_meta_inode_buffer(dip, &dibh); + if (error) + goto out_kfree; - error = gfs2_dir_write_data(dip, - (char *)buf + sdp->sd_hash_bsize, - block * sdp->sd_sb.sb_bsize, - sdp->sd_sb.sb_bsize); - if (error != sdp->sd_sb.sb_bsize) { - if (error >= 0) - error = -EIO; - goto fail; - } + for (x = 0; x < hsize; x++) { + *h++ = *hc; + *h++ = *hc; + hc++; } - kfree(buf); - - error = gfs2_meta_inode_buffer(dip, &dibh); - if (!gfs2_assert_withdraw(sdp, !error)) { - dip->i_depth++; - gfs2_dinode_out(dip, dibh->b_data); - brelse(dibh); - } + error = gfs2_dir_write_data(dip, (char *)hc2, 0, hsize_bytes * 2); + if (error != (hsize_bytes * 2)) + goto fail; - return error; + gfs2_dir_hash_inval(dip); + dip->i_hash_cache = hc2; + dip->i_depth++; + gfs2_dinode_out(dip, dibh->b_data); + brelse(dibh); + return 0; fail: - kfree(buf); + /* Replace original hash table & size */ + gfs2_dir_write_data(dip, (char *)hc, 0, hsize_bytes); + i_size_write(&dip->i_inode, hsize_bytes); + gfs2_dinode_out(dip, dibh->b_data); + brelse(dibh); +out_kfree: + kfree(hc2); return error; } @@ -1348,6 +1390,7 @@ out: return error; } + /** * dir_e_read - Reads the entries from a directory into a filldir buffer * @dip: dinode pointer @@ -1362,9 +1405,7 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque, filldir_t filldir) { struct gfs2_inode *dip = GFS2_I(inode); - struct gfs2_sbd *sdp = GFS2_SB(inode); u32 hsize, len = 0; - u32 ht_offset, lp_offset, ht_offset_cur = -1; u32 hash, index; __be64 *lp; int copied = 0; @@ -1372,37 +1413,17 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque, unsigned depth = 0; hsize = 1 << dip->i_depth; - if (hsize * sizeof(u64) != i_size_read(inode)) { - gfs2_consist_inode(dip); - return -EIO; - } - hash = gfs2_dir_offset2hash(*offset); index = hash >> (32 - dip->i_depth); - lp = kmalloc(sdp->sd_hash_bsize, GFP_NOFS); - if (!lp) - return -ENOMEM; + lp = gfs2_dir_get_hash_table(dip); + if (IS_ERR(lp)) + return PTR_ERR(lp); while (index < hsize) { - lp_offset = index & (sdp->sd_hash_ptrs - 1); - ht_offset = index - lp_offset; - - if (ht_offset_cur != ht_offset) { - error = gfs2_dir_read_data(dip, (char *)lp, - ht_offset * sizeof(__be64), - sdp->sd_hash_bsize, 1); - if (error != sdp->sd_hash_bsize) { - if (error >= 0) - error = -EIO; - goto out; - } - ht_offset_cur = ht_offset; - } - error = gfs2_dir_read_leaf(inode, offset, opaque, filldir, &copied, &depth, - be64_to_cpu(lp[lp_offset])); + be64_to_cpu(lp[index])); if (error) break; @@ -1410,8 +1431,6 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque, index = (index & ~(len - 1)) + len; } -out: - kfree(lp); if (error > 0) error = 0; return error; @@ -1914,43 +1933,22 @@ out: int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip) { - struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); struct buffer_head *bh; struct gfs2_leaf *leaf; u32 hsize, len; - u32 ht_offset, lp_offset, ht_offset_cur = -1; u32 index = 0, next_index; __be64 *lp; u64 leaf_no; int error = 0, last; hsize = 1 << dip->i_depth; - if (hsize * sizeof(u64) != i_size_read(&dip->i_inode)) { - gfs2_consist_inode(dip); - return -EIO; - } - lp = kmalloc(sdp->sd_hash_bsize, GFP_NOFS); - if (!lp) - return -ENOMEM; + lp = gfs2_dir_get_hash_table(dip); + if (IS_ERR(lp)) + return PTR_ERR(lp); while (index < hsize) { - lp_offset = index & (sdp->sd_hash_ptrs - 1); - ht_offset = index - lp_offset; - - if (ht_offset_cur != ht_offset) { - error = gfs2_dir_read_data(dip, (char *)lp, - ht_offset * sizeof(__be64), - sdp->sd_hash_bsize, 1); - if (error != sdp->sd_hash_bsize) { - if (error >= 0) - error = -EIO; - goto out; - } - ht_offset_cur = ht_offset; - } - - leaf_no = be64_to_cpu(lp[lp_offset]); + leaf_no = be64_to_cpu(lp[index]); if (leaf_no) { error = get_leaf(dip, leaf_no, &bh); if (error) @@ -1976,7 +1974,6 @@ int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip) } out: - kfree(lp); return error; } diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h index e686af11becd..ff5772fbf024 100644 --- a/fs/gfs2/dir.h +++ b/fs/gfs2/dir.h @@ -35,6 +35,7 @@ extern int gfs2_diradd_alloc_required(struct inode *dir, const struct qstr *filename); extern int gfs2_dir_get_new_buffer(struct gfs2_inode *ip, u64 block, struct buffer_head **bhp); +extern void gfs2_dir_hash_inval(struct gfs2_inode *ip); static inline u32 gfs2_disk_hash(const char *data, int len) { diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index a9f5cbe45cd9..bc2590ef5fc1 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -174,7 +174,9 @@ void gfs2_set_inode_flags(struct inode *inode) struct gfs2_inode *ip = GFS2_I(inode); unsigned int flags = inode->i_flags; - flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC); + flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_NOSEC); + if ((ip->i_eattr == 0) && !is_sxid(inode->i_mode)) + inode->i_flags |= S_NOSEC; if (ip->i_diskflags & GFS2_DIF_IMMUTABLE) flags |= S_IMMUTABLE; if (ip->i_diskflags & GFS2_DIF_APPENDONLY) diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 1c1336e7b3b2..88e8a23d0026 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -409,6 +409,10 @@ static void state_change(struct gfs2_glock *gl, unsigned int new_state) if (held1 && held2 && list_empty(&gl->gl_holders)) clear_bit(GLF_QUEUED, &gl->gl_flags); + if (new_state != gl->gl_target) + /* shorten our minimum hold time */ + gl->gl_hold_time = max(gl->gl_hold_time - GL_GLOCK_HOLD_DECR, + GL_GLOCK_MIN_HOLD); gl->gl_state = new_state; gl->gl_tchange = jiffies; } @@ -668,7 +672,7 @@ static void glock_work_func(struct work_struct *work) gl->gl_demote_state != LM_ST_EXCLUSIVE) { unsigned long holdtime, now = jiffies; - holdtime = gl->gl_tchange + gl->gl_ops->go_min_hold_time; + holdtime = gl->gl_tchange + gl->gl_hold_time; if (time_before(now, holdtime)) delay = holdtime - now; @@ -679,9 +683,14 @@ static void glock_work_func(struct work_struct *work) } run_queue(gl, 0); spin_unlock(&gl->gl_spin); - if (!delay || - queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0) + if (!delay) gfs2_glock_put(gl); + else { + if (gl->gl_name.ln_type != LM_TYPE_INODE) + delay = 0; + if (queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0) + gfs2_glock_put(gl); + } if (drop_ref) gfs2_glock_put(gl); } @@ -743,6 +752,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number, gl->gl_tchange = jiffies; gl->gl_object = NULL; gl->gl_sbd = sdp; + gl->gl_hold_time = GL_GLOCK_DFT_HOLD; INIT_DELAYED_WORK(&gl->gl_work, glock_work_func); INIT_WORK(&gl->gl_delete, delete_work_func); @@ -855,8 +865,15 @@ static int gfs2_glock_demote_wait(void *word) static void wait_on_holder(struct gfs2_holder *gh) { + unsigned long time1 = jiffies; + might_sleep(); wait_on_bit(&gh->gh_iflags, HIF_WAIT, gfs2_glock_holder_wait, TASK_UNINTERRUPTIBLE); + if (time_after(jiffies, time1 + HZ)) /* have we waited > a second? */ + /* Lengthen the minimum hold time. */ + gh->gh_gl->gl_hold_time = min(gh->gh_gl->gl_hold_time + + GL_GLOCK_HOLD_INCR, + GL_GLOCK_MAX_HOLD); } static void wait_on_demote(struct gfs2_glock *gl) @@ -1093,8 +1110,9 @@ void gfs2_glock_dq(struct gfs2_holder *gh) gfs2_glock_hold(gl); if (test_bit(GLF_PENDING_DEMOTE, &gl->gl_flags) && - !test_bit(GLF_DEMOTE, &gl->gl_flags)) - delay = gl->gl_ops->go_min_hold_time; + !test_bit(GLF_DEMOTE, &gl->gl_flags) && + gl->gl_name.ln_type == LM_TYPE_INODE) + delay = gl->gl_hold_time; if (queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0) gfs2_glock_put(gl); } @@ -1273,12 +1291,13 @@ void gfs2_glock_cb(struct gfs2_glock *gl, unsigned int state) unsigned long now = jiffies; gfs2_glock_hold(gl); - holdtime = gl->gl_tchange + gl->gl_ops->go_min_hold_time; - if (test_bit(GLF_QUEUED, &gl->gl_flags)) { + holdtime = gl->gl_tchange + gl->gl_hold_time; + if (test_bit(GLF_QUEUED, &gl->gl_flags) && + gl->gl_name.ln_type == LM_TYPE_INODE) { if (time_before(now, holdtime)) delay = holdtime - now; if (test_bit(GLF_REPLY_PENDING, &gl->gl_flags)) - delay = gl->gl_ops->go_min_hold_time; + delay = gl->gl_hold_time; } spin_lock(&gl->gl_spin); @@ -1667,7 +1686,7 @@ static int __dump_glock(struct seq_file *seq, const struct gfs2_glock *gl) dtime *= 1000000/HZ; /* demote time in uSec */ if (!test_bit(GLF_DEMOTE, &gl->gl_flags)) dtime = 0; - gfs2_print_dbg(seq, "G: s:%s n:%u/%llx f:%s t:%s d:%s/%llu a:%d v:%d r:%d\n", + gfs2_print_dbg(seq, "G: s:%s n:%u/%llx f:%s t:%s d:%s/%llu a:%d v:%d r:%d m:%ld\n", state2str(gl->gl_state), gl->gl_name.ln_type, (unsigned long long)gl->gl_name.ln_number, @@ -1676,7 +1695,7 @@ static int __dump_glock(struct seq_file *seq, const struct gfs2_glock *gl) state2str(gl->gl_demote_state), dtime, atomic_read(&gl->gl_ail_count), atomic_read(&gl->gl_revokes), - atomic_read(&gl->gl_ref)); + atomic_read(&gl->gl_ref), gl->gl_hold_time); list_for_each_entry(gh, &gl->gl_holders, gh_list) { error = dump_holder(seq, gh); diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h index 6b2f757b9281..66707118af25 100644 --- a/fs/gfs2/glock.h +++ b/fs/gfs2/glock.h @@ -113,6 +113,12 @@ enum { #define GLR_TRYFAILED 13 +#define GL_GLOCK_MAX_HOLD (long)(HZ / 5) +#define GL_GLOCK_DFT_HOLD (long)(HZ / 5) +#define GL_GLOCK_MIN_HOLD (long)(10) +#define GL_GLOCK_HOLD_INCR (long)(HZ / 20) +#define GL_GLOCK_HOLD_DECR (long)(HZ / 40) + struct lm_lockops { const char *lm_proto_name; int (*lm_mount) (struct gfs2_sbd *sdp, const char *fsname); diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 8ef70f464731..da21ecaafcc2 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -26,6 +26,7 @@ #include "rgrp.h" #include "util.h" #include "trans.h" +#include "dir.h" /** * __gfs2_ail_flush - remove all buffers for a given lock from the AIL @@ -47,10 +48,10 @@ static void __gfs2_ail_flush(struct gfs2_glock *gl) bd_ail_gl_list); bh = bd->bd_bh; gfs2_remove_from_ail(bd); - spin_unlock(&sdp->sd_ail_lock); - bd->bd_bh = NULL; bh->b_private = NULL; + spin_unlock(&sdp->sd_ail_lock); + bd->bd_blkno = bh->b_blocknr; gfs2_log_lock(sdp); gfs2_assert_withdraw(sdp, !buffer_busy(bh)); @@ -218,11 +219,14 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags) if (ip) { set_bit(GIF_INVALID, &ip->i_flags); forget_all_cached_acls(&ip->i_inode); + gfs2_dir_hash_inval(ip); } } - if (ip == GFS2_I(gl->gl_sbd->sd_rindex)) + if (ip == GFS2_I(gl->gl_sbd->sd_rindex)) { + gfs2_log_flush(gl->gl_sbd, NULL); gl->gl_sbd->sd_rindex_uptodate = 0; + } if (ip && S_ISREG(ip->i_inode.i_mode)) truncate_inode_pages(ip->i_inode.i_mapping, 0); } @@ -314,6 +318,8 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) ip->i_generation = be64_to_cpu(str->di_generation); ip->i_diskflags = be32_to_cpu(str->di_flags); + ip->i_eattr = be64_to_cpu(str->di_eattr); + /* i_diskflags and i_eattr must be set before gfs2_set_inode_flags() */ gfs2_set_inode_flags(&ip->i_inode); height = be16_to_cpu(str->di_height); if (unlikely(height > GFS2_MAX_META_HEIGHT)) @@ -326,7 +332,6 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) ip->i_depth = (u8)depth; ip->i_entries = be32_to_cpu(str->di_entries); - ip->i_eattr = be64_to_cpu(str->di_eattr); if (S_ISREG(ip->i_inode.i_mode)) gfs2_set_aops(&ip->i_inode); @@ -547,7 +552,6 @@ const struct gfs2_glock_operations gfs2_inode_glops = { .go_lock = inode_go_lock, .go_dump = inode_go_dump, .go_type = LM_TYPE_INODE, - .go_min_hold_time = HZ / 5, .go_flags = GLOF_ASPACE, }; @@ -558,7 +562,6 @@ const struct gfs2_glock_operations gfs2_rgrp_glops = { .go_unlock = rgrp_go_unlock, .go_dump = gfs2_rgrp_dump, .go_type = LM_TYPE_RGRP, - .go_min_hold_time = HZ / 5, .go_flags = GLOF_ASPACE, }; diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 0a064e91ac70..892ac37de8ae 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -17,6 +17,7 @@ #include <linux/buffer_head.h> #include <linux/rcupdate.h> #include <linux/rculist_bl.h> +#include <linux/completion.h> #define DIO_WAIT 0x00000010 #define DIO_METADATA 0x00000020 @@ -162,7 +163,6 @@ struct gfs2_glock_operations { int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl); void (*go_callback) (struct gfs2_glock *gl); const int go_type; - const unsigned long go_min_hold_time; const unsigned long go_flags; #define GLOF_ASPACE 1 }; @@ -220,6 +220,7 @@ struct gfs2_glock { unsigned int gl_hash; unsigned long gl_demote_time; /* time of first demote request */ + long gl_hold_time; struct list_head gl_holders; const struct gfs2_glock_operations *gl_ops; @@ -284,6 +285,7 @@ struct gfs2_inode { u64 i_goal; /* goal block for allocations */ struct rw_semaphore i_rw_mutex; struct list_head i_trunc_list; + __be64 *i_hash_cache; u32 i_entries; u32 i_diskflags; u8 i_height; @@ -546,6 +548,7 @@ struct gfs2_sbd { struct gfs2_glock *sd_trans_gl; wait_queue_head_t sd_glock_wait; atomic_t sd_glock_disposal; + struct completion sd_locking_init; /* Inode Stuff */ diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 903115f2bb34..85c62923ee29 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -903,6 +903,7 @@ void gfs2_meta_syncfs(struct gfs2_sbd *sdp) if (gfs2_ail1_empty(sdp)) break; } + gfs2_log_flush(sdp, NULL); } static inline int gfs2_jrnl_flush_reqd(struct gfs2_sbd *sdp) diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index c2b34cd2abe0..29e1ace7953d 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -41,6 +41,7 @@ static void gfs2_init_inode_once(void *foo) init_rwsem(&ip->i_rw_mutex); INIT_LIST_HEAD(&ip->i_trunc_list); ip->i_alloc = NULL; + ip->i_hash_cache = NULL; } static void gfs2_init_glock_once(void *foo) diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 8ac9ae189b53..516516e0c2a2 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -72,6 +72,7 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) init_waitqueue_head(&sdp->sd_glock_wait); atomic_set(&sdp->sd_glock_disposal, 0); + init_completion(&sdp->sd_locking_init); spin_lock_init(&sdp->sd_statfs_spin); spin_lock_init(&sdp->sd_rindex_spin); @@ -1017,11 +1018,13 @@ hostdata_error: fsname++; if (lm->lm_mount == NULL) { fs_info(sdp, "Now mounting FS...\n"); + complete(&sdp->sd_locking_init); return 0; } ret = lm->lm_mount(sdp, fsname); if (ret == 0) fs_info(sdp, "Joined cluster. Now mounting FS...\n"); + complete(&sdp->sd_locking_init); return ret; } @@ -1091,6 +1094,7 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent if (sdp->sd_args.ar_nobarrier) set_bit(SDF_NOBARRIERS, &sdp->sd_flags); + sb->s_flags |= MS_NOSEC; sb->s_magic = GFS2_MAGIC; sb->s_op = &gfs2_super_ops; sb->s_d_op = &gfs2_dops; diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 9b780df3fd54..7f8af1eb02de 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -1607,14 +1607,15 @@ rgrp_error: } /** - * gfs2_free_data - free a contiguous run of data block(s) + * __gfs2_free_blocks - free a contiguous run of block(s) * @ip: the inode these blocks are being freed from * @bstart: first block of a run of contiguous blocks * @blen: the length of the block run + * @meta: 1 if the blocks represent metadata * */ -void __gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) +void __gfs2_free_blocks(struct gfs2_inode *ip, u64 bstart, u32 blen, int meta) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct gfs2_rgrpd *rgd; @@ -1631,54 +1632,11 @@ void __gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) gfs2_trans_add_rg(rgd); /* Directories keep their data in the metadata address space */ - if (ip->i_depth) + if (meta || ip->i_depth) gfs2_meta_wipe(ip, bstart, blen); } /** - * gfs2_free_data - free a contiguous run of data block(s) - * @ip: the inode these blocks are being freed from - * @bstart: first block of a run of contiguous blocks - * @blen: the length of the block run - * - */ - -void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) -{ - struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - - __gfs2_free_data(ip, bstart, blen); - gfs2_statfs_change(sdp, 0, +blen, 0); - gfs2_quota_change(ip, -(s64)blen, ip->i_inode.i_uid, ip->i_inode.i_gid); -} - -/** - * gfs2_free_meta - free a contiguous run of data block(s) - * @ip: the inode these blocks are being freed from - * @bstart: first block of a run of contiguous blocks - * @blen: the length of the block run - * - */ - -void __gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen) -{ - struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct gfs2_rgrpd *rgd; - - rgd = rgblk_free(sdp, bstart, blen, GFS2_BLKST_FREE); - if (!rgd) - return; - trace_gfs2_block_alloc(ip, bstart, blen, GFS2_BLKST_FREE); - rgd->rd_free += blen; - - gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); - gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); - - gfs2_trans_add_rg(rgd); - gfs2_meta_wipe(ip, bstart, blen); -} - -/** * gfs2_free_meta - free a contiguous run of data block(s) * @ip: the inode these blocks are being freed from * @bstart: first block of a run of contiguous blocks @@ -1690,7 +1648,7 @@ void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - __gfs2_free_meta(ip, bstart, blen); + __gfs2_free_blocks(ip, bstart, blen, 1); gfs2_statfs_change(sdp, 0, +blen, 0); gfs2_quota_change(ip, -(s64)blen, ip->i_inode.i_uid, ip->i_inode.i_gid); } diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h index a80e3034ac47..d253f9a8c70e 100644 --- a/fs/gfs2/rgrp.h +++ b/fs/gfs2/rgrp.h @@ -52,9 +52,7 @@ extern int gfs2_ri_update(struct gfs2_inode *ip); extern int gfs2_alloc_block(struct gfs2_inode *ip, u64 *bn, unsigned int *n); extern int gfs2_alloc_di(struct gfs2_inode *ip, u64 *bn, u64 *generation); -extern void __gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen); -extern void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen); -extern void __gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen); +extern void __gfs2_free_blocks(struct gfs2_inode *ip, u64 bstart, u32 blen, int meta); extern void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen); extern void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip); extern void gfs2_unlink_di(struct inode *inode); diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index ed540e7018be..b7beadd9ba4c 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -757,13 +757,17 @@ static int gfs2_write_inode(struct inode *inode, struct writeback_control *wbc) struct timespec atime; struct gfs2_dinode *di; int ret = -EAGAIN; + int unlock_required = 0; /* Skip timestamp update, if this is from a memalloc */ if (current->flags & PF_MEMALLOC) goto do_flush; - ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); - if (ret) - goto do_flush; + if (!gfs2_glock_is_locked_by_me(ip->i_gl)) { + ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); + if (ret) + goto do_flush; + unlock_required = 1; + } ret = gfs2_trans_begin(sdp, RES_DINODE, 0); if (ret) goto do_unlock; @@ -780,7 +784,8 @@ static int gfs2_write_inode(struct inode *inode, struct writeback_control *wbc) } gfs2_trans_end(sdp); do_unlock: - gfs2_glock_dq_uninit(&gh); + if (unlock_required) + gfs2_glock_dq_uninit(&gh); do_flush: if (wbc->sync_mode == WB_SYNC_ALL) gfs2_log_flush(GFS2_SB(inode), ip->i_gl); @@ -1427,7 +1432,20 @@ out: return error; } -/* +/** + * gfs2_evict_inode - Remove an inode from cache + * @inode: The inode to evict + * + * There are three cases to consider: + * 1. i_nlink == 0, we are final opener (and must deallocate) + * 2. i_nlink == 0, we are not the final opener (and cannot deallocate) + * 3. i_nlink > 0 + * + * If the fs is read only, then we have to treat all cases as per #3 + * since we are unable to do any deallocation. The inode will be + * deallocated by the next read/write node to attempt an allocation + * in the same resource group + * * We have to (at the moment) hold the inodes main lock to cover * the gap between unlocking the shared lock on the iopen lock and * taking the exclusive lock. I'd rather do a shared -> exclusive @@ -1470,6 +1488,8 @@ static void gfs2_evict_inode(struct inode *inode) if (error) goto out_truncate; + /* Case 1 starts here */ + if (S_ISDIR(inode->i_mode) && (ip->i_diskflags & GFS2_DIF_EXHASH)) { error = gfs2_dir_exhash_dealloc(ip); @@ -1493,13 +1513,16 @@ static void gfs2_evict_inode(struct inode *inode) goto out_unlock; out_truncate: + /* Case 2 starts here */ error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks); if (error) goto out_unlock; - gfs2_final_release_pages(ip); + /* Needs to be done before glock release & also in a transaction */ + truncate_inode_pages(&inode->i_data, 0); gfs2_trans_end(sdp); out_unlock: + /* Error path for case 1 */ if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags)) gfs2_glock_dq(&ip->i_iopen_gh); gfs2_holder_uninit(&ip->i_iopen_gh); @@ -1507,9 +1530,10 @@ out_unlock: if (error && error != GLR_TRYFAILED && error != -EROFS) fs_warn(sdp, "gfs2_evict_inode: %d\n", error); out: + /* Case 3 starts here */ truncate_inode_pages(&inode->i_data, 0); end_writeback(inode); - + gfs2_dir_hash_inval(ip); ip->i_gl->gl_object = NULL; gfs2_glock_add_to_lru(ip->i_gl); gfs2_glock_put(ip->i_gl); diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index e20eab37bc80..443cabcfcd23 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -338,6 +338,9 @@ static ssize_t lkfirst_store(struct gfs2_sbd *sdp, const char *buf, size_t len) rv = sscanf(buf, "%u", &first); if (rv != 1 || first > 1) return -EINVAL; + rv = wait_for_completion_killable(&sdp->sd_locking_init); + if (rv) + return rv; spin_lock(&sdp->sd_jindex_spin); rv = -EBUSY; if (test_bit(SDF_NOJOURNALID, &sdp->sd_flags) == 0) @@ -414,7 +417,9 @@ static ssize_t jid_store(struct gfs2_sbd *sdp, const char *buf, size_t len) rv = sscanf(buf, "%d", &jid); if (rv != 1) return -EINVAL; - + rv = wait_for_completion_killable(&sdp->sd_locking_init); + if (rv) + return rv; spin_lock(&sdp->sd_jindex_spin); rv = -EINVAL; if (sdp->sd_lockstruct.ls_ops->lm_mount == NULL) diff --git a/fs/hfsplus/brec.c b/fs/hfsplus/brec.c index 2312de34bd42..2a734cfccc92 100644 --- a/fs/hfsplus/brec.c +++ b/fs/hfsplus/brec.c @@ -43,6 +43,10 @@ u16 hfs_brec_keylen(struct hfs_bnode *node, u16 rec) node->tree->node_size - (rec + 1) * 2); if (!recoff) return 0; + if (recoff > node->tree->node_size - 2) { + printk(KERN_ERR "hfs: recoff %d too large\n", recoff); + return 0; + } retval = hfs_bnode_read_u16(node, recoff) + 2; if (retval > node->tree->max_key_len + 2) { diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c index b4ba1b319333..4dfbfec357e8 100644 --- a/fs/hfsplus/catalog.c +++ b/fs/hfsplus/catalog.c @@ -212,7 +212,9 @@ int hfsplus_create_cat(u32 cnid, struct inode *dir, dprint(DBG_CAT_MOD, "create_cat: %s,%u(%d)\n", str->name, cnid, inode->i_nlink); - hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); + err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); + if (err) + return err; hfsplus_cat_build_key(sb, fd.search_key, cnid, NULL); entry_size = hfsplus_fill_cat_thread(sb, &entry, @@ -269,7 +271,9 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str) dprint(DBG_CAT_MOD, "delete_cat: %s,%u\n", str ? str->name : NULL, cnid); - hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); + err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); + if (err) + return err; if (!str) { int len; @@ -347,12 +351,14 @@ int hfsplus_rename_cat(u32 cnid, struct hfs_find_data src_fd, dst_fd; hfsplus_cat_entry entry; int entry_size, type; - int err = 0; + int err; dprint(DBG_CAT_MOD, "rename_cat: %u - %lu,%s - %lu,%s\n", cnid, src_dir->i_ino, src_name->name, dst_dir->i_ino, dst_name->name); - hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &src_fd); + err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &src_fd); + if (err) + return err; dst_fd = src_fd; /* find the old dir entry and read the data */ diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c index 4df5059c25da..25b2443a004c 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -38,7 +38,9 @@ static struct dentry *hfsplus_lookup(struct inode *dir, struct dentry *dentry, sb = dir->i_sb; dentry->d_fsdata = NULL; - hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); + err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); + if (err) + return ERR_PTR(err); hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, &dentry->d_name); again: err = hfs_brec_read(&fd, &entry, sizeof(entry)); @@ -132,7 +134,9 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) if (filp->f_pos >= inode->i_size) return 0; - hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); + err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); + if (err) + return err; hfsplus_cat_build_key(sb, fd.search_key, inode->i_ino, NULL); err = hfs_brec_find(&fd); if (err) diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c index b1991a2a08e0..5849e3ef35cc 100644 --- a/fs/hfsplus/extents.c +++ b/fs/hfsplus/extents.c @@ -119,22 +119,31 @@ static void __hfsplus_ext_write_extent(struct inode *inode, set_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags); } -static void hfsplus_ext_write_extent_locked(struct inode *inode) +static int hfsplus_ext_write_extent_locked(struct inode *inode) { + int res; + if (HFSPLUS_I(inode)->extent_state & HFSPLUS_EXT_DIRTY) { struct hfs_find_data fd; - hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd); + res = hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd); + if (res) + return res; __hfsplus_ext_write_extent(inode, &fd); hfs_find_exit(&fd); } + return 0; } -void hfsplus_ext_write_extent(struct inode *inode) +int hfsplus_ext_write_extent(struct inode *inode) { + int res; + mutex_lock(&HFSPLUS_I(inode)->extents_lock); - hfsplus_ext_write_extent_locked(inode); + res = hfsplus_ext_write_extent_locked(inode); mutex_unlock(&HFSPLUS_I(inode)->extents_lock); + + return res; } static inline int __hfsplus_ext_read_extent(struct hfs_find_data *fd, @@ -194,9 +203,11 @@ static int hfsplus_ext_read_extent(struct inode *inode, u32 block) block < hip->cached_start + hip->cached_blocks) return 0; - hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd); - res = __hfsplus_ext_cache_extent(&fd, inode, block); - hfs_find_exit(&fd); + res = hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd); + if (!res) { + res = __hfsplus_ext_cache_extent(&fd, inode, block); + hfs_find_exit(&fd); + } return res; } @@ -209,6 +220,7 @@ int hfsplus_get_block(struct inode *inode, sector_t iblock, struct hfsplus_inode_info *hip = HFSPLUS_I(inode); int res = -EIO; u32 ablock, dblock, mask; + sector_t sector; int was_dirty = 0; int shift; @@ -255,10 +267,12 @@ int hfsplus_get_block(struct inode *inode, sector_t iblock, done: dprint(DBG_EXTENT, "get_block(%lu): %llu - %u\n", inode->i_ino, (long long)iblock, dblock); + mask = (1 << sbi->fs_shift) - 1; - map_bh(bh_result, sb, - (dblock << sbi->fs_shift) + sbi->blockoffset + - (iblock & mask)); + sector = ((sector_t)dblock << sbi->fs_shift) + + sbi->blockoffset + (iblock & mask); + map_bh(bh_result, sb, sector); + if (create) { set_buffer_new(bh_result); hip->phys_size += sb->s_blocksize; @@ -371,7 +385,9 @@ int hfsplus_free_fork(struct super_block *sb, u32 cnid, if (total_blocks == blocks) return 0; - hfs_find_init(HFSPLUS_SB(sb)->ext_tree, &fd); + res = hfs_find_init(HFSPLUS_SB(sb)->ext_tree, &fd); + if (res) + return res; do { res = __hfsplus_ext_read_extent(&fd, ext_entry, cnid, total_blocks, type); @@ -469,7 +485,9 @@ out: insert_extent: dprint(DBG_EXTENT, "insert new extent\n"); - hfsplus_ext_write_extent_locked(inode); + res = hfsplus_ext_write_extent_locked(inode); + if (res) + goto out; memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec)); hip->cached_extents[0].start_block = cpu_to_be32(start); @@ -500,7 +518,6 @@ void hfsplus_file_truncate(struct inode *inode) struct page *page; void *fsdata; u32 size = inode->i_size; - int res; res = pagecache_write_begin(NULL, mapping, size, 0, AOP_FLAG_UNINTERRUPTIBLE, @@ -523,7 +540,12 @@ void hfsplus_file_truncate(struct inode *inode) goto out; mutex_lock(&hip->extents_lock); - hfs_find_init(HFSPLUS_SB(sb)->ext_tree, &fd); + res = hfs_find_init(HFSPLUS_SB(sb)->ext_tree, &fd); + if (res) { + mutex_unlock(&hip->extents_lock); + /* XXX: We lack error handling of hfsplus_file_truncate() */ + return; + } while (1) { if (alloc_cnt == hip->first_blocks) { hfsplus_free_extents(sb, hip->first_extents, diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index d6857523336d..81dfd1e495e3 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -13,6 +13,7 @@ #include <linux/fs.h> #include <linux/mutex.h> #include <linux/buffer_head.h> +#include <linux/blkdev.h> #include "hfsplus_raw.h" #define DBG_BNODE_REFS 0x00000001 @@ -110,7 +111,9 @@ struct hfsplus_vh; struct hfs_btree; struct hfsplus_sb_info { + void *s_vhdr_buf; struct hfsplus_vh *s_vhdr; + void *s_backup_vhdr_buf; struct hfsplus_vh *s_backup_vhdr; struct hfs_btree *ext_tree; struct hfs_btree *cat_tree; @@ -258,6 +261,15 @@ struct hfsplus_readdir_data { struct hfsplus_cat_key key; }; +/* + * Find minimum acceptible I/O size for an hfsplus sb. + */ +static inline unsigned short hfsplus_min_io_size(struct super_block *sb) +{ + return max_t(unsigned short, bdev_logical_block_size(sb->s_bdev), + HFSPLUS_SECTOR_SIZE); +} + #define hfs_btree_open hfsplus_btree_open #define hfs_btree_close hfsplus_btree_close #define hfs_btree_write hfsplus_btree_write @@ -374,7 +386,7 @@ extern const struct file_operations hfsplus_dir_operations; /* extents.c */ int hfsplus_ext_cmp_key(const hfsplus_btree_key *, const hfsplus_btree_key *); -void hfsplus_ext_write_extent(struct inode *); +int hfsplus_ext_write_extent(struct inode *); int hfsplus_get_block(struct inode *, sector_t, struct buffer_head *, int); int hfsplus_free_fork(struct super_block *, u32, struct hfsplus_fork_raw *, int); @@ -436,8 +448,8 @@ int hfsplus_compare_dentry(const struct dentry *parent, /* wrapper.c */ int hfsplus_read_wrapper(struct super_block *); int hfs_part_find(struct super_block *, sector_t *, sector_t *); -int hfsplus_submit_bio(struct block_device *bdev, sector_t sector, - void *data, int rw); +int hfsplus_submit_bio(struct super_block *sb, sector_t sector, + void *buf, void **data, int rw); /* time macros */ #define __hfsp_mt2ut(t) (be32_to_cpu(t) - 2082844800U) diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index b248a6cfcad9..010cd363d085 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -195,11 +195,13 @@ static struct dentry *hfsplus_file_lookup(struct inode *dir, hip->flags = 0; set_bit(HFSPLUS_I_RSRC, &hip->flags); - hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); - err = hfsplus_find_cat(sb, dir->i_ino, &fd); - if (!err) - err = hfsplus_cat_read_inode(inode, &fd); - hfs_find_exit(&fd); + err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); + if (!err) { + err = hfsplus_find_cat(sb, dir->i_ino, &fd); + if (!err) + err = hfsplus_cat_read_inode(inode, &fd); + hfs_find_exit(&fd); + } if (err) { iput(inode); return ERR_PTR(err); diff --git a/fs/hfsplus/part_tbl.c b/fs/hfsplus/part_tbl.c index 40ad88c12c64..eb355d81e279 100644 --- a/fs/hfsplus/part_tbl.c +++ b/fs/hfsplus/part_tbl.c @@ -88,11 +88,12 @@ static int hfs_parse_old_pmap(struct super_block *sb, struct old_pmap *pm, return -ENOENT; } -static int hfs_parse_new_pmap(struct super_block *sb, struct new_pmap *pm, - sector_t *part_start, sector_t *part_size) +static int hfs_parse_new_pmap(struct super_block *sb, void *buf, + struct new_pmap *pm, sector_t *part_start, sector_t *part_size) { struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb); int size = be32_to_cpu(pm->pmMapBlkCnt); + int buf_size = hfsplus_min_io_size(sb); int res; int i = 0; @@ -107,11 +108,14 @@ static int hfs_parse_new_pmap(struct super_block *sb, struct new_pmap *pm, if (++i >= size) return -ENOENT; - res = hfsplus_submit_bio(sb->s_bdev, - *part_start + HFS_PMAP_BLK + i, - pm, READ); - if (res) - return res; + pm = (struct new_pmap *)((u8 *)pm + HFSPLUS_SECTOR_SIZE); + if ((u8 *)pm - (u8 *)buf >= buf_size) { + res = hfsplus_submit_bio(sb, + *part_start + HFS_PMAP_BLK + i, + buf, (void **)&pm, READ); + if (res) + return res; + } } while (pm->pmSig == cpu_to_be16(HFS_NEW_PMAP_MAGIC)); return -ENOENT; @@ -124,15 +128,15 @@ static int hfs_parse_new_pmap(struct super_block *sb, struct new_pmap *pm, int hfs_part_find(struct super_block *sb, sector_t *part_start, sector_t *part_size) { - void *data; + void *buf, *data; int res; - data = kmalloc(HFSPLUS_SECTOR_SIZE, GFP_KERNEL); - if (!data) + buf = kmalloc(hfsplus_min_io_size(sb), GFP_KERNEL); + if (!buf) return -ENOMEM; - res = hfsplus_submit_bio(sb->s_bdev, *part_start + HFS_PMAP_BLK, - data, READ); + res = hfsplus_submit_bio(sb, *part_start + HFS_PMAP_BLK, + buf, &data, READ); if (res) goto out; @@ -141,13 +145,13 @@ int hfs_part_find(struct super_block *sb, res = hfs_parse_old_pmap(sb, data, part_start, part_size); break; case HFS_NEW_PMAP_MAGIC: - res = hfs_parse_new_pmap(sb, data, part_start, part_size); + res = hfs_parse_new_pmap(sb, buf, data, part_start, part_size); break; default: res = -ENOENT; break; } out: - kfree(data); + kfree(buf); return res; } diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index 84a47b709f51..c106ca22e812 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -73,11 +73,13 @@ struct inode *hfsplus_iget(struct super_block *sb, unsigned long ino) if (inode->i_ino >= HFSPLUS_FIRSTUSER_CNID || inode->i_ino == HFSPLUS_ROOT_CNID) { - hfs_find_init(HFSPLUS_SB(inode->i_sb)->cat_tree, &fd); - err = hfsplus_find_cat(inode->i_sb, inode->i_ino, &fd); - if (!err) - err = hfsplus_cat_read_inode(inode, &fd); - hfs_find_exit(&fd); + err = hfs_find_init(HFSPLUS_SB(inode->i_sb)->cat_tree, &fd); + if (!err) { + err = hfsplus_find_cat(inode->i_sb, inode->i_ino, &fd); + if (!err) + err = hfsplus_cat_read_inode(inode, &fd); + hfs_find_exit(&fd); + } } else { err = hfsplus_system_read_inode(inode); } @@ -133,9 +135,13 @@ static int hfsplus_system_write_inode(struct inode *inode) static int hfsplus_write_inode(struct inode *inode, struct writeback_control *wbc) { + int err; + dprint(DBG_INODE, "hfsplus_write_inode: %lu\n", inode->i_ino); - hfsplus_ext_write_extent(inode); + err = hfsplus_ext_write_extent(inode); + if (err) + return err; if (inode->i_ino >= HFSPLUS_FIRSTUSER_CNID || inode->i_ino == HFSPLUS_ROOT_CNID) @@ -197,17 +203,17 @@ int hfsplus_sync_fs(struct super_block *sb, int wait) write_backup = 1; } - error2 = hfsplus_submit_bio(sb->s_bdev, + error2 = hfsplus_submit_bio(sb, sbi->part_start + HFSPLUS_VOLHEAD_SECTOR, - sbi->s_vhdr, WRITE_SYNC); + sbi->s_vhdr_buf, NULL, WRITE_SYNC); if (!error) error = error2; if (!write_backup) goto out; - error2 = hfsplus_submit_bio(sb->s_bdev, + error2 = hfsplus_submit_bio(sb, sbi->part_start + sbi->sect_count - 2, - sbi->s_backup_vhdr, WRITE_SYNC); + sbi->s_backup_vhdr_buf, NULL, WRITE_SYNC); if (!error) error2 = error; out: @@ -251,8 +257,8 @@ static void hfsplus_put_super(struct super_block *sb) hfs_btree_close(sbi->ext_tree); iput(sbi->alloc_file); iput(sbi->hidden_dir); - kfree(sbi->s_vhdr); - kfree(sbi->s_backup_vhdr); + kfree(sbi->s_vhdr_buf); + kfree(sbi->s_backup_vhdr_buf); unload_nls(sbi->nls); kfree(sb->s_fs_info); sb->s_fs_info = NULL; @@ -393,6 +399,13 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) if (!sbi->rsrc_clump_blocks) sbi->rsrc_clump_blocks = 1; + err = generic_check_addressable(sbi->alloc_blksz_shift, + sbi->total_blocks); + if (err) { + printk(KERN_ERR "hfs: filesystem size too large.\n"); + goto out_free_vhdr; + } + /* Set up operations so we can load metadata */ sb->s_op = &hfsplus_sops; sb->s_maxbytes = MAX_LFS_FILESIZE; @@ -417,6 +430,8 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) sb->s_flags |= MS_RDONLY; } + err = -EINVAL; + /* Load metadata objects (B*Trees) */ sbi->ext_tree = hfs_btree_open(sb, HFSPLUS_EXT_CNID); if (!sbi->ext_tree) { @@ -447,7 +462,9 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) str.len = sizeof(HFSP_HIDDENDIR_NAME) - 1; str.name = HFSP_HIDDENDIR_NAME; - hfs_find_init(sbi->cat_tree, &fd); + err = hfs_find_init(sbi->cat_tree, &fd); + if (err) + goto out_put_root; hfsplus_cat_build_key(sb, fd.search_key, HFSPLUS_ROOT_CNID, &str); if (!hfs_brec_read(&fd, &entry, sizeof(entry))) { hfs_find_exit(&fd); diff --git a/fs/hfsplus/unicode.c b/fs/hfsplus/unicode.c index a3f0bfcc881e..a32998f29f0b 100644 --- a/fs/hfsplus/unicode.c +++ b/fs/hfsplus/unicode.c @@ -142,7 +142,11 @@ int hfsplus_uni2asc(struct super_block *sb, /* search for single decomposed char */ if (likely(compose)) ce1 = hfsplus_compose_lookup(hfsplus_compose_table, c0); - if (ce1 && (cc = ce1[0])) { + if (ce1) + cc = ce1[0]; + else + cc = 0; + if (cc) { /* start of a possibly decomposed Hangul char */ if (cc != 0xffff) goto done; @@ -209,7 +213,8 @@ int hfsplus_uni2asc(struct super_block *sb, i++; ce2 = ce1; } - if ((cc = ce2[0])) { + cc = ce2[0]; + if (cc) { ip += i; ustrlen -= i; goto done; @@ -301,7 +306,11 @@ int hfsplus_asc2uni(struct super_block *sb, struct hfsplus_unistr *ustr, while (outlen < HFSPLUS_MAX_STRLEN && len > 0) { size = asc2unichar(sb, astr, len, &c); - if (decompose && (dstr = decompose_unichar(c, &dsize))) { + if (decompose) + dstr = decompose_unichar(c, &dsize); + else + dstr = NULL; + if (dstr) { if (outlen + dsize > HFSPLUS_MAX_STRLEN) break; do { @@ -346,15 +355,23 @@ int hfsplus_hash_dentry(const struct dentry *dentry, const struct inode *inode, astr += size; len -= size; - if (decompose && (dstr = decompose_unichar(c, &dsize))) { + if (decompose) + dstr = decompose_unichar(c, &dsize); + else + dstr = NULL; + if (dstr) { do { c2 = *dstr++; - if (!casefold || (c2 = case_fold(c2))) + if (casefold) + c2 = case_fold(c2); + if (!casefold || c2) hash = partial_name_hash(c2, hash); } while (--dsize > 0); } else { c2 = c; - if (!casefold || (c2 = case_fold(c2))) + if (casefold) + c2 = case_fold(c2); + if (!casefold || c2) hash = partial_name_hash(c2, hash); } } @@ -422,12 +439,14 @@ int hfsplus_compare_dentry(const struct dentry *parent, c1 = *dstr1; c2 = *dstr2; if (casefold) { - if (!(c1 = case_fold(c1))) { + c1 = case_fold(c1); + if (!c1) { dstr1++; dsize1--; continue; } - if (!(c2 = case_fold(c2))) { + c2 = case_fold(c2); + if (!c2) { dstr2++; dsize2--; continue; diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c index 4ac88ff79aa6..10e515a0d452 100644 --- a/fs/hfsplus/wrapper.c +++ b/fs/hfsplus/wrapper.c @@ -31,25 +31,67 @@ static void hfsplus_end_io_sync(struct bio *bio, int err) complete(bio->bi_private); } -int hfsplus_submit_bio(struct block_device *bdev, sector_t sector, - void *data, int rw) +/* + * hfsplus_submit_bio - Perfrom block I/O + * @sb: super block of volume for I/O + * @sector: block to read or write, for blocks of HFSPLUS_SECTOR_SIZE bytes + * @buf: buffer for I/O + * @data: output pointer for location of requested data + * @rw: direction of I/O + * + * The unit of I/O is hfsplus_min_io_size(sb), which may be bigger than + * HFSPLUS_SECTOR_SIZE, and @buf must be sized accordingly. On reads + * @data will return a pointer to the start of the requested sector, + * which may not be the same location as @buf. + * + * If @sector is not aligned to the bdev logical block size it will + * be rounded down. For writes this means that @buf should contain data + * that starts at the rounded-down address. As long as the data was + * read using hfsplus_submit_bio() and the same buffer is used things + * will work correctly. + */ +int hfsplus_submit_bio(struct super_block *sb, sector_t sector, + void *buf, void **data, int rw) { DECLARE_COMPLETION_ONSTACK(wait); struct bio *bio; int ret = 0; + unsigned int io_size; + loff_t start; + int offset; + + /* + * Align sector to hardware sector size and find offset. We + * assume that io_size is a power of two, which _should_ + * be true. + */ + io_size = hfsplus_min_io_size(sb); + start = (loff_t)sector << HFSPLUS_SECTOR_SHIFT; + offset = start & (io_size - 1); + sector &= ~((io_size >> HFSPLUS_SECTOR_SHIFT) - 1); bio = bio_alloc(GFP_NOIO, 1); bio->bi_sector = sector; - bio->bi_bdev = bdev; + bio->bi_bdev = sb->s_bdev; bio->bi_end_io = hfsplus_end_io_sync; bio->bi_private = &wait; - /* - * We always submit one sector at a time, so bio_add_page must not fail. - */ - if (bio_add_page(bio, virt_to_page(data), HFSPLUS_SECTOR_SIZE, - offset_in_page(data)) != HFSPLUS_SECTOR_SIZE) - BUG(); + if (!(rw & WRITE) && data) + *data = (u8 *)buf + offset; + + while (io_size > 0) { + unsigned int page_offset = offset_in_page(buf); + unsigned int len = min_t(unsigned int, PAGE_SIZE - page_offset, + io_size); + + ret = bio_add_page(bio, virt_to_page(buf), len, page_offset); + if (ret != len) { + ret = -EIO; + goto out; + } + io_size -= len; + buf = (u8 *)buf + len; + } submit_bio(rw, bio); wait_for_completion(&wait); @@ -57,8 +99,9 @@ int hfsplus_submit_bio(struct block_device *bdev, sector_t sector, if (!bio_flagged(bio, BIO_UPTODATE)) ret = -EIO; +out: bio_put(bio); - return ret; + return ret < 0 ? ret : 0; } static int hfsplus_read_mdb(void *bufptr, struct hfsplus_wd *wd) @@ -141,23 +184,19 @@ int hfsplus_read_wrapper(struct super_block *sb) if (hfsplus_get_last_session(sb, &part_start, &part_size)) goto out; - if ((u64)part_start + part_size > 0x100000000ULL) { - pr_err("hfs: volumes larger than 2TB are not supported yet\n"); - goto out; - } error = -ENOMEM; - sbi->s_vhdr = kmalloc(HFSPLUS_SECTOR_SIZE, GFP_KERNEL); - if (!sbi->s_vhdr) + sbi->s_vhdr_buf = kmalloc(hfsplus_min_io_size(sb), GFP_KERNEL); + if (!sbi->s_vhdr_buf) goto out; - sbi->s_backup_vhdr = kmalloc(HFSPLUS_SECTOR_SIZE, GFP_KERNEL); - if (!sbi->s_backup_vhdr) + sbi->s_backup_vhdr_buf = kmalloc(hfsplus_min_io_size(sb), GFP_KERNEL); + if (!sbi->s_backup_vhdr_buf) goto out_free_vhdr; reread: - error = hfsplus_submit_bio(sb->s_bdev, - part_start + HFSPLUS_VOLHEAD_SECTOR, - sbi->s_vhdr, READ); + error = hfsplus_submit_bio(sb, part_start + HFSPLUS_VOLHEAD_SECTOR, + sbi->s_vhdr_buf, (void **)&sbi->s_vhdr, + READ); if (error) goto out_free_backup_vhdr; @@ -172,8 +211,9 @@ reread: if (!hfsplus_read_mdb(sbi->s_vhdr, &wd)) goto out_free_backup_vhdr; wd.ablk_size >>= HFSPLUS_SECTOR_SHIFT; - part_start += wd.ablk_start + wd.embed_start * wd.ablk_size; - part_size = wd.embed_count * wd.ablk_size; + part_start += (sector_t)wd.ablk_start + + (sector_t)wd.embed_start * wd.ablk_size; + part_size = (sector_t)wd.embed_count * wd.ablk_size; goto reread; default: /* @@ -186,9 +226,9 @@ reread: goto reread; } - error = hfsplus_submit_bio(sb->s_bdev, - part_start + part_size - 2, - sbi->s_backup_vhdr, READ); + error = hfsplus_submit_bio(sb, part_start + part_size - 2, + sbi->s_backup_vhdr_buf, + (void **)&sbi->s_backup_vhdr, READ); if (error) goto out_free_backup_vhdr; diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c index 87ed48e0343d..85c098a499f3 100644 --- a/fs/hppfs/hppfs.c +++ b/fs/hppfs/hppfs.c @@ -139,7 +139,8 @@ static int file_removed(struct dentry *dentry, const char *file) static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry, struct nameidata *nd) { - struct dentry *proc_dentry, *new, *parent; + struct dentry *proc_dentry, *parent; + struct qstr *name = &dentry->d_name; struct inode *inode; int err, deleted; @@ -149,23 +150,9 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry, else if (deleted) return ERR_PTR(-ENOENT); - err = -ENOMEM; parent = HPPFS_I(ino)->proc_dentry; mutex_lock(&parent->d_inode->i_mutex); - proc_dentry = d_lookup(parent, &dentry->d_name); - if (proc_dentry == NULL) { - proc_dentry = d_alloc(parent, &dentry->d_name); - if (proc_dentry == NULL) { - mutex_unlock(&parent->d_inode->i_mutex); - goto out; - } - new = (*parent->d_inode->i_op->lookup)(parent->d_inode, - proc_dentry, NULL); - if (new) { - dput(proc_dentry); - proc_dentry = new; - } - } + proc_dentry = lookup_one_len(name->name, parent, name->len); mutex_unlock(&parent->d_inode->i_mutex); if (IS_ERR(proc_dentry)) @@ -174,13 +161,11 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry, err = -ENOMEM; inode = get_inode(ino->i_sb, proc_dentry); if (!inode) - goto out_dput; + goto out; d_add(dentry, inode); return NULL; - out_dput: - dput(proc_dentry); out: return ERR_PTR(err); } @@ -690,8 +675,10 @@ static struct inode *get_inode(struct super_block *sb, struct dentry *dentry) struct inode *proc_ino = dentry->d_inode; struct inode *inode = new_inode(sb); - if (!inode) + if (!inode) { + dput(dentry); return ERR_PTR(-ENOMEM); + } if (S_ISDIR(dentry->d_inode->i_mode)) { inode->i_op = &hppfs_dir_iops; @@ -704,7 +691,7 @@ static struct inode *get_inode(struct super_block *sb, struct dentry *dentry) inode->i_fop = &hppfs_file_fops; } - HPPFS_I(inode)->proc_dentry = dget(dentry); + HPPFS_I(inode)->proc_dentry = dentry; inode->i_uid = proc_ino->i_uid; inode->i_gid = proc_ino->i_gid; @@ -737,7 +724,7 @@ static int hppfs_fill_super(struct super_block *sb, void *d, int silent) sb->s_fs_info = proc_mnt; err = -ENOMEM; - root_inode = get_inode(sb, proc_mnt->mnt_sb->s_root); + root_inode = get_inode(sb, dget(proc_mnt->mnt_sb->s_root)); if (!root_inode) goto out_mntput; diff --git a/fs/libfs.c b/fs/libfs.c index c88eab55aec9..275ca4749a2e 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -822,7 +822,7 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf, goto out; attr->set_buf[size] = '\0'; - val = simple_strtol(attr->set_buf, NULL, 0); + val = simple_strtoll(attr->set_buf, NULL, 0); ret = attr->set(attr->data, val); if (ret == 0) ret = len; /* on success, claim we got the whole input */ diff --git a/fs/namei.c b/fs/namei.c index 0223c41fb114..14ab8d3f2f0c 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -433,6 +433,8 @@ static int unlazy_walk(struct nameidata *nd, struct dentry *dentry) goto err_parent; BUG_ON(nd->inode != parent->d_inode); } else { + if (dentry->d_parent != parent) + goto err_parent; spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED); if (!__d_rcu_to_refcount(dentry, nd->seq)) goto err_child; @@ -940,7 +942,6 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, * Don't forget we might have a non-mountpoint managed dentry * that wants to block transit. */ - *inode = path->dentry->d_inode; if (unlikely(managed_dentry_might_block(path->dentry))) return false; @@ -953,6 +954,12 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, path->mnt = mounted; path->dentry = mounted->mnt_root; nd->seq = read_seqcount_begin(&path->dentry->d_seq); + /* + * Update the inode too. We don't need to re-check the + * dentry sequence number here after this d_inode read, + * because a mount-point is always pinned. + */ + *inode = path->dentry->d_inode; } return true; } diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c index ce153a6b3aec..419119c371bf 100644 --- a/fs/nfs/fscache.c +++ b/fs/nfs/fscache.c @@ -259,12 +259,10 @@ static void nfs_fscache_disable_inode_cookie(struct inode *inode) dfprintk(FSCACHE, "NFS: nfsi 0x%p turning cache off\n", NFS_I(inode)); - /* Need to invalidate any mapped pages that were read in before - * turning off the cache. + /* Need to uncache any pages attached to this inode that + * fscache knows about before turning off the cache. */ - if (inode->i_mapping && inode->i_mapping->nrpages) - invalidate_inode_pages2(inode->i_mapping); - + fscache_uncache_all_inode_pages(NFS_I(inode)->fscache, inode); nfs_fscache_zap_inode_cookie(inode); } } diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index 0bafcc91c27f..f9d03abcd04c 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c @@ -398,7 +398,6 @@ filelayout_write_pagelist(struct nfs_write_data *data, int sync) * this offset and save the original offset. */ data->args.offset = filelayout_get_dserver_offset(lseg, offset); - data->mds_offset = offset; /* Perform an asynchronous write */ status = nfs_initiate_write(data, ds->ds_clp->cl_rpcclient, diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 6870bc61ceec..e6e8f3b9a1de 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -91,7 +91,7 @@ static int nfs4_stat_to_errno(int); #define encode_getfh_maxsz (op_encode_hdr_maxsz) #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ ((3+NFS4_FHSIZE) >> 2)) -#define nfs4_fattr_bitmap_maxsz 3 +#define nfs4_fattr_bitmap_maxsz 4 #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) diff --git a/fs/nfs/write.c b/fs/nfs/write.c index e268e3b23497..727168059684 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -864,6 +864,8 @@ static int nfs_write_rpcsetup(struct nfs_page *req, data->args.fh = NFS_FH(inode); data->args.offset = req_offset(req) + offset; + /* pnfs_set_layoutcommit needs this */ + data->mds_offset = data->args.offset; data->args.pgbase = req->wb_pgbase + offset; data->args.pages = data->pagevec; data->args.count = count; diff --git a/fs/ubifs/commit.c b/fs/ubifs/commit.c index 87cd0ead8633..fb3b5c813a30 100644 --- a/fs/ubifs/commit.c +++ b/fs/ubifs/commit.c @@ -78,7 +78,7 @@ static int nothing_to_commit(struct ubifs_info *c) * If the root TNC node is dirty, we definitely have something to * commit. */ - if (c->zroot.znode && test_bit(DIRTY_ZNODE, &c->zroot.znode->flags)) + if (c->zroot.znode && ubifs_zn_dirty(c->zroot.znode)) return 0; /* @@ -418,7 +418,7 @@ int ubifs_run_commit(struct ubifs_info *c) spin_lock(&c->cs_lock); if (c->cmt_state == COMMIT_BROKEN) { - err = -EINVAL; + err = -EROFS; goto out; } @@ -444,7 +444,7 @@ int ubifs_run_commit(struct ubifs_info *c) * re-check it. */ if (c->cmt_state == COMMIT_BROKEN) { - err = -EINVAL; + err = -EROFS; goto out_cmt_unlock; } @@ -576,7 +576,7 @@ int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot) struct idx_node *i; size_t sz; - if (!(ubifs_chk_flags & UBIFS_CHK_OLD_IDX)) + if (!dbg_is_chk_index(c)) return 0; INIT_LIST_HEAD(&list); diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index 0bb2bcef0de9..eef109a1a927 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -27,13 +27,12 @@ * various local functions of those subsystems. */ -#define UBIFS_DBG_PRESERVE_UBI - -#include "ubifs.h" #include <linux/module.h> -#include <linux/moduleparam.h> #include <linux/debugfs.h> #include <linux/math64.h> +#include <linux/uaccess.h> +#include <linux/random.h> +#include "ubifs.h" #ifdef CONFIG_UBIFS_FS_DEBUG @@ -42,15 +41,6 @@ DEFINE_SPINLOCK(dbg_lock); static char dbg_key_buf0[128]; static char dbg_key_buf1[128]; -unsigned int ubifs_chk_flags; -unsigned int ubifs_tst_flags; - -module_param_named(debug_chks, ubifs_chk_flags, uint, S_IRUGO | S_IWUSR); -module_param_named(debug_tsts, ubifs_tst_flags, uint, S_IRUGO | S_IWUSR); - -MODULE_PARM_DESC(debug_chks, "Debug check flags"); -MODULE_PARM_DESC(debug_tsts, "Debug special test flags"); - static const char *get_key_fmt(int fmt) { switch (fmt) { @@ -91,6 +81,28 @@ static const char *get_key_type(int type) } } +static const char *get_dent_type(int type) +{ + switch (type) { + case UBIFS_ITYPE_REG: + return "file"; + case UBIFS_ITYPE_DIR: + return "dir"; + case UBIFS_ITYPE_LNK: + return "symlink"; + case UBIFS_ITYPE_BLK: + return "blkdev"; + case UBIFS_ITYPE_CHR: + return "char dev"; + case UBIFS_ITYPE_FIFO: + return "fifo"; + case UBIFS_ITYPE_SOCK: + return "socket"; + default: + return "unknown/invalid type"; + } +} + static void sprintf_key(const struct ubifs_info *c, const union ubifs_key *key, char *buffer) { @@ -234,9 +246,13 @@ static void dump_ch(const struct ubifs_ch *ch) printk(KERN_DEBUG "\tlen %u\n", le32_to_cpu(ch->len)); } -void dbg_dump_inode(const struct ubifs_info *c, const struct inode *inode) +void dbg_dump_inode(struct ubifs_info *c, const struct inode *inode) { const struct ubifs_inode *ui = ubifs_inode(inode); + struct qstr nm = { .name = NULL }; + union ubifs_key key; + struct ubifs_dent_node *dent, *pdent = NULL; + int count = 2; printk(KERN_DEBUG "Dump in-memory inode:"); printk(KERN_DEBUG "\tinode %lu\n", inode->i_ino); @@ -270,6 +286,32 @@ void dbg_dump_inode(const struct ubifs_info *c, const struct inode *inode) printk(KERN_DEBUG "\tlast_page_read %lu\n", ui->last_page_read); printk(KERN_DEBUG "\tread_in_a_row %lu\n", ui->read_in_a_row); printk(KERN_DEBUG "\tdata_len %d\n", ui->data_len); + + if (!S_ISDIR(inode->i_mode)) + return; + + printk(KERN_DEBUG "List of directory entries:\n"); + ubifs_assert(!mutex_is_locked(&c->tnc_mutex)); + + lowest_dent_key(c, &key, inode->i_ino); + while (1) { + dent = ubifs_tnc_next_ent(c, &key, &nm); + if (IS_ERR(dent)) { + if (PTR_ERR(dent) != -ENOENT) + printk(KERN_DEBUG "error %ld\n", PTR_ERR(dent)); + break; + } + + printk(KERN_DEBUG "\t%d: %s (%s)\n", + count++, dent->name, get_dent_type(dent->type)); + + nm.name = dent->name; + nm.len = le16_to_cpu(dent->nlen); + kfree(pdent); + pdent = dent; + key_read(c, &dent->key, &key); + } + kfree(pdent); } void dbg_dump_node(const struct ubifs_info *c, const void *node) @@ -278,7 +320,7 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node) union ubifs_key key; const struct ubifs_ch *ch = node; - if (dbg_failure_mode) + if (dbg_is_tst_rcvry(c)) return; /* If the magic is incorrect, just hexdump the first bytes */ @@ -834,7 +876,7 @@ void dbg_dump_leb(const struct ubifs_info *c, int lnum) struct ubifs_scan_node *snod; void *buf; - if (dbg_failure_mode) + if (dbg_is_tst_rcvry(c)) return; printk(KERN_DEBUG "(pid %d) start dumping LEB %d\n", @@ -1080,6 +1122,7 @@ out: /** * dbg_check_synced_i_size - check synchronized inode size. + * @c: UBIFS file-system description object * @inode: inode to check * * If inode is clean, synchronized inode size has to be equivalent to current @@ -1087,12 +1130,12 @@ out: * has to be locked). Returns %0 if synchronized inode size if correct, and * %-EINVAL if not. */ -int dbg_check_synced_i_size(struct inode *inode) +int dbg_check_synced_i_size(const struct ubifs_info *c, struct inode *inode) { int err = 0; struct ubifs_inode *ui = ubifs_inode(inode); - if (!(ubifs_chk_flags & UBIFS_CHK_GEN)) + if (!dbg_is_chk_gen(c)) return 0; if (!S_ISREG(inode->i_mode)) return 0; @@ -1125,7 +1168,7 @@ int dbg_check_synced_i_size(struct inode *inode) * Note, it is good idea to make sure the @dir->i_mutex is locked before * calling this function. */ -int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir) +int dbg_check_dir(struct ubifs_info *c, const struct inode *dir) { unsigned int nlink = 2; union ubifs_key key; @@ -1133,7 +1176,7 @@ int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir) struct qstr nm = { .name = NULL }; loff_t size = UBIFS_INO_NODE_SZ; - if (!(ubifs_chk_flags & UBIFS_CHK_GEN)) + if (!dbg_is_chk_gen(c)) return 0; if (!S_ISDIR(dir->i_mode)) @@ -1167,12 +1210,14 @@ int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir) "but calculated size is %llu", dir->i_ino, (unsigned long long)i_size_read(dir), (unsigned long long)size); + dbg_dump_inode(c, dir); dump_stack(); return -EINVAL; } if (dir->i_nlink != nlink) { ubifs_err("directory inode %lu has nlink %u, but calculated " "nlink is %u", dir->i_ino, dir->i_nlink, nlink); + dbg_dump_inode(c, dir); dump_stack(); return -EINVAL; } @@ -1489,7 +1534,7 @@ int dbg_check_tnc(struct ubifs_info *c, int extra) long clean_cnt = 0, dirty_cnt = 0; int err, last; - if (!(ubifs_chk_flags & UBIFS_CHK_TNC)) + if (!dbg_is_chk_index(c)) return 0; ubifs_assert(mutex_is_locked(&c->tnc_mutex)); @@ -1736,7 +1781,7 @@ int dbg_check_idx_size(struct ubifs_info *c, long long idx_size) int err; long long calc = 0; - if (!(ubifs_chk_flags & UBIFS_CHK_IDX_SZ)) + if (!dbg_is_chk_index(c)) return 0; err = dbg_walk_index(c, NULL, add_size, &calc); @@ -2312,7 +2357,7 @@ int dbg_check_filesystem(struct ubifs_info *c) int err; struct fsck_data fsckd; - if (!(ubifs_chk_flags & UBIFS_CHK_FS)) + if (!dbg_is_chk_fs(c)) return 0; fsckd.inodes = RB_ROOT; @@ -2347,7 +2392,7 @@ int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head) struct list_head *cur; struct ubifs_scan_node *sa, *sb; - if (!(ubifs_chk_flags & UBIFS_CHK_GEN)) + if (!dbg_is_chk_gen(c)) return 0; for (cur = head->next; cur->next != head; cur = cur->next) { @@ -2414,7 +2459,7 @@ int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head) struct list_head *cur; struct ubifs_scan_node *sa, *sb; - if (!(ubifs_chk_flags & UBIFS_CHK_GEN)) + if (!dbg_is_chk_gen(c)) return 0; for (cur = head->next; cur->next != head; cur = cur->next) { @@ -2491,214 +2536,141 @@ error_dump: return 0; } -int dbg_force_in_the_gaps(void) +static inline int chance(unsigned int n, unsigned int out_of) { - if (!(ubifs_chk_flags & UBIFS_CHK_GEN)) - return 0; + return !!((random32() % out_of) + 1 <= n); - return !(random32() & 7); } -/* Failure mode for recovery testing */ - -#define chance(n, d) (simple_rand() <= (n) * 32768LL / (d)) - -struct failure_mode_info { - struct list_head list; - struct ubifs_info *c; -}; - -static LIST_HEAD(fmi_list); -static DEFINE_SPINLOCK(fmi_lock); - -static unsigned int next; - -static int simple_rand(void) -{ - if (next == 0) - next = current->pid; - next = next * 1103515245 + 12345; - return (next >> 16) & 32767; -} - -static void failure_mode_init(struct ubifs_info *c) -{ - struct failure_mode_info *fmi; - - fmi = kmalloc(sizeof(struct failure_mode_info), GFP_NOFS); - if (!fmi) { - ubifs_err("Failed to register failure mode - no memory"); - return; - } - fmi->c = c; - spin_lock(&fmi_lock); - list_add_tail(&fmi->list, &fmi_list); - spin_unlock(&fmi_lock); -} - -static void failure_mode_exit(struct ubifs_info *c) +static int power_cut_emulated(struct ubifs_info *c, int lnum, int write) { - struct failure_mode_info *fmi, *tmp; - - spin_lock(&fmi_lock); - list_for_each_entry_safe(fmi, tmp, &fmi_list, list) - if (fmi->c == c) { - list_del(&fmi->list); - kfree(fmi); - } - spin_unlock(&fmi_lock); -} - -static struct ubifs_info *dbg_find_info(struct ubi_volume_desc *desc) -{ - struct failure_mode_info *fmi; - - spin_lock(&fmi_lock); - list_for_each_entry(fmi, &fmi_list, list) - if (fmi->c->ubi == desc) { - struct ubifs_info *c = fmi->c; - - spin_unlock(&fmi_lock); - return c; - } - spin_unlock(&fmi_lock); - return NULL; -} - -static int in_failure_mode(struct ubi_volume_desc *desc) -{ - struct ubifs_info *c = dbg_find_info(desc); - - if (c && dbg_failure_mode) - return c->dbg->failure_mode; - return 0; -} + struct ubifs_debug_info *d = c->dbg; -static int do_fail(struct ubi_volume_desc *desc, int lnum, int write) -{ - struct ubifs_info *c = dbg_find_info(desc); - struct ubifs_debug_info *d; + ubifs_assert(dbg_is_tst_rcvry(c)); - if (!c || !dbg_failure_mode) - return 0; - d = c->dbg; - if (d->failure_mode) - return 1; - if (!d->fail_cnt) { - /* First call - decide delay to failure */ + if (!d->pc_cnt) { + /* First call - decide delay to the power cut */ if (chance(1, 2)) { - unsigned int delay = 1 << (simple_rand() >> 11); + unsigned long delay; if (chance(1, 2)) { - d->fail_delay = 1; - d->fail_timeout = jiffies + - msecs_to_jiffies(delay); - dbg_rcvry("failing after %ums", delay); + d->pc_delay = 1; + /* Fail withing 1 minute */ + delay = random32() % 60000; + d->pc_timeout = jiffies; + d->pc_timeout += msecs_to_jiffies(delay); + ubifs_warn("failing after %lums", delay); } else { - d->fail_delay = 2; - d->fail_cnt_max = delay; - dbg_rcvry("failing after %u calls", delay); + d->pc_delay = 2; + delay = random32() % 10000; + /* Fail within 10000 operations */ + d->pc_cnt_max = delay; + ubifs_warn("failing after %lu calls", delay); } } - d->fail_cnt += 1; + + d->pc_cnt += 1; } + /* Determine if failure delay has expired */ - if (d->fail_delay == 1) { - if (time_before(jiffies, d->fail_timeout)) + if (d->pc_delay == 1 && time_before(jiffies, d->pc_timeout)) return 0; - } else if (d->fail_delay == 2) - if (d->fail_cnt++ < d->fail_cnt_max) + if (d->pc_delay == 2 && d->pc_cnt++ < d->pc_cnt_max) return 0; + if (lnum == UBIFS_SB_LNUM) { - if (write) { - if (chance(1, 2)) - return 0; - } else if (chance(19, 20)) + if (write && chance(1, 2)) + return 0; + if (chance(19, 20)) return 0; - dbg_rcvry("failing in super block LEB %d", lnum); + ubifs_warn("failing in super block LEB %d", lnum); } else if (lnum == UBIFS_MST_LNUM || lnum == UBIFS_MST_LNUM + 1) { if (chance(19, 20)) return 0; - dbg_rcvry("failing in master LEB %d", lnum); + ubifs_warn("failing in master LEB %d", lnum); } else if (lnum >= UBIFS_LOG_LNUM && lnum <= c->log_last) { - if (write) { - if (chance(99, 100)) - return 0; - } else if (chance(399, 400)) + if (write && chance(99, 100)) return 0; - dbg_rcvry("failing in log LEB %d", lnum); + if (chance(399, 400)) + return 0; + ubifs_warn("failing in log LEB %d", lnum); } else if (lnum >= c->lpt_first && lnum <= c->lpt_last) { - if (write) { - if (chance(7, 8)) - return 0; - } else if (chance(19, 20)) + if (write && chance(7, 8)) return 0; - dbg_rcvry("failing in LPT LEB %d", lnum); + if (chance(19, 20)) + return 0; + ubifs_warn("failing in LPT LEB %d", lnum); } else if (lnum >= c->orph_first && lnum <= c->orph_last) { - if (write) { - if (chance(1, 2)) - return 0; - } else if (chance(9, 10)) + if (write && chance(1, 2)) + return 0; + if (chance(9, 10)) return 0; - dbg_rcvry("failing in orphan LEB %d", lnum); + ubifs_warn("failing in orphan LEB %d", lnum); } else if (lnum == c->ihead_lnum) { if (chance(99, 100)) return 0; - dbg_rcvry("failing in index head LEB %d", lnum); + ubifs_warn("failing in index head LEB %d", lnum); } else if (c->jheads && lnum == c->jheads[GCHD].wbuf.lnum) { if (chance(9, 10)) return 0; - dbg_rcvry("failing in GC head LEB %d", lnum); + ubifs_warn("failing in GC head LEB %d", lnum); } else if (write && !RB_EMPTY_ROOT(&c->buds) && !ubifs_search_bud(c, lnum)) { if (chance(19, 20)) return 0; - dbg_rcvry("failing in non-bud LEB %d", lnum); + ubifs_warn("failing in non-bud LEB %d", lnum); } else if (c->cmt_state == COMMIT_RUNNING_BACKGROUND || c->cmt_state == COMMIT_RUNNING_REQUIRED) { if (chance(999, 1000)) return 0; - dbg_rcvry("failing in bud LEB %d commit running", lnum); + ubifs_warn("failing in bud LEB %d commit running", lnum); } else { if (chance(9999, 10000)) return 0; - dbg_rcvry("failing in bud LEB %d commit not running", lnum); + ubifs_warn("failing in bud LEB %d commit not running", lnum); } - ubifs_err("*** SETTING FAILURE MODE ON (LEB %d) ***", lnum); - d->failure_mode = 1; + + d->pc_happened = 1; + ubifs_warn("========== Power cut emulated =========="); dump_stack(); return 1; } -static void cut_data(const void *buf, int len) +static void cut_data(const void *buf, unsigned int len) { - int flen, i; + unsigned int from, to, i, ffs = chance(1, 2); unsigned char *p = (void *)buf; - flen = (len * (long long)simple_rand()) >> 15; - for (i = flen; i < len; i++) - p[i] = 0xff; -} + from = random32() % (len + 1); + if (chance(1, 2)) + to = random32() % (len - from + 1); + else + to = len; -int dbg_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset, - int len, int check) -{ - if (in_failure_mode(desc)) - return -EROFS; - return ubi_leb_read(desc, lnum, buf, offset, len, check); + if (from < to) + ubifs_warn("filled bytes %u-%u with %s", from, to - 1, + ffs ? "0xFFs" : "random data"); + + if (ffs) + for (i = from; i < to; i++) + p[i] = 0xFF; + else + for (i = from; i < to; i++) + p[i] = random32() % 0x100; } -int dbg_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf, - int offset, int len, int dtype) +int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf, + int offs, int len, int dtype) { int err, failing; - if (in_failure_mode(desc)) + if (c->dbg->pc_happened) return -EROFS; - failing = do_fail(desc, lnum, 1); + + failing = power_cut_emulated(c, lnum, 1); if (failing) cut_data(buf, len); - err = ubi_leb_write(desc, lnum, buf, offset, len, dtype); + err = ubi_leb_write(c->ubi, lnum, buf, offs, len, dtype); if (err) return err; if (failing) @@ -2706,162 +2678,207 @@ int dbg_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf, return 0; } -int dbg_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf, +int dbg_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len, int dtype) { int err; - if (do_fail(desc, lnum, 1)) + if (c->dbg->pc_happened) return -EROFS; - err = ubi_leb_change(desc, lnum, buf, len, dtype); + if (power_cut_emulated(c, lnum, 1)) + return -EROFS; + err = ubi_leb_change(c->ubi, lnum, buf, len, dtype); if (err) return err; - if (do_fail(desc, lnum, 1)) + if (power_cut_emulated(c, lnum, 1)) return -EROFS; return 0; } -int dbg_leb_erase(struct ubi_volume_desc *desc, int lnum) +int dbg_leb_unmap(struct ubifs_info *c, int lnum) { int err; - if (do_fail(desc, lnum, 0)) + if (c->dbg->pc_happened) + return -EROFS; + if (power_cut_emulated(c, lnum, 0)) return -EROFS; - err = ubi_leb_erase(desc, lnum); + err = ubi_leb_unmap(c->ubi, lnum); if (err) return err; - if (do_fail(desc, lnum, 0)) + if (power_cut_emulated(c, lnum, 0)) return -EROFS; return 0; } -int dbg_leb_unmap(struct ubi_volume_desc *desc, int lnum) +int dbg_leb_map(struct ubifs_info *c, int lnum, int dtype) { int err; - if (do_fail(desc, lnum, 0)) + if (c->dbg->pc_happened) return -EROFS; - err = ubi_leb_unmap(desc, lnum); + if (power_cut_emulated(c, lnum, 0)) + return -EROFS; + err = ubi_leb_map(c->ubi, lnum, dtype); if (err) return err; - if (do_fail(desc, lnum, 0)) + if (power_cut_emulated(c, lnum, 0)) return -EROFS; return 0; } -int dbg_is_mapped(struct ubi_volume_desc *desc, int lnum) -{ - if (in_failure_mode(desc)) - return -EROFS; - return ubi_is_mapped(desc, lnum); -} +/* + * Root directory for UBIFS stuff in debugfs. Contains sub-directories which + * contain the stuff specific to particular file-system mounts. + */ +static struct dentry *dfs_rootdir; -int dbg_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype) +static int dfs_file_open(struct inode *inode, struct file *file) { - int err; - - if (do_fail(desc, lnum, 0)) - return -EROFS; - err = ubi_leb_map(desc, lnum, dtype); - if (err) - return err; - if (do_fail(desc, lnum, 0)) - return -EROFS; - return 0; + file->private_data = inode->i_private; + return nonseekable_open(inode, file); } /** - * ubifs_debugging_init - initialize UBIFS debugging. - * @c: UBIFS file-system description object + * provide_user_output - provide output to the user reading a debugfs file. + * @val: boolean value for the answer + * @u: the buffer to store the answer at + * @count: size of the buffer + * @ppos: position in the @u output buffer * - * This function initializes debugging-related data for the file system. - * Returns zero in case of success and a negative error code in case of + * This is a simple helper function which stores @val boolean value in the user + * buffer when the user reads one of UBIFS debugfs files. Returns amount of + * bytes written to @u in case of success and a negative error code in case of * failure. */ -int ubifs_debugging_init(struct ubifs_info *c) +static int provide_user_output(int val, char __user *u, size_t count, + loff_t *ppos) { - c->dbg = kzalloc(sizeof(struct ubifs_debug_info), GFP_KERNEL); - if (!c->dbg) - return -ENOMEM; + char buf[3]; - failure_mode_init(c); - return 0; + if (val) + buf[0] = '1'; + else + buf[0] = '0'; + buf[1] = '\n'; + buf[2] = 0x00; + + return simple_read_from_buffer(u, count, ppos, buf, 2); } -/** - * ubifs_debugging_exit - free debugging data. - * @c: UBIFS file-system description object - */ -void ubifs_debugging_exit(struct ubifs_info *c) +static ssize_t dfs_file_read(struct file *file, char __user *u, size_t count, + loff_t *ppos) { - failure_mode_exit(c); - kfree(c->dbg); -} + struct dentry *dent = file->f_path.dentry; + struct ubifs_info *c = file->private_data; + struct ubifs_debug_info *d = c->dbg; + int val; + + if (dent == d->dfs_chk_gen) + val = d->chk_gen; + else if (dent == d->dfs_chk_index) + val = d->chk_index; + else if (dent == d->dfs_chk_orph) + val = d->chk_orph; + else if (dent == d->dfs_chk_lprops) + val = d->chk_lprops; + else if (dent == d->dfs_chk_fs) + val = d->chk_fs; + else if (dent == d->dfs_tst_rcvry) + val = d->tst_rcvry; + else + return -EINVAL; -/* - * Root directory for UBIFS stuff in debugfs. Contains sub-directories which - * contain the stuff specific to particular file-system mounts. - */ -static struct dentry *dfs_rootdir; + return provide_user_output(val, u, count, ppos); +} /** - * dbg_debugfs_init - initialize debugfs file-system. + * interpret_user_input - interpret user debugfs file input. + * @u: user-provided buffer with the input + * @count: buffer size * - * UBIFS uses debugfs file-system to expose various debugging knobs to - * user-space. This function creates "ubifs" directory in the debugfs - * file-system. Returns zero in case of success and a negative error code in - * case of failure. + * This is a helper function which interpret user input to a boolean UBIFS + * debugfs file. Returns %0 or %1 in case of success and a negative error code + * in case of failure. */ -int dbg_debugfs_init(void) +static int interpret_user_input(const char __user *u, size_t count) { - dfs_rootdir = debugfs_create_dir("ubifs", NULL); - if (IS_ERR(dfs_rootdir)) { - int err = PTR_ERR(dfs_rootdir); - ubifs_err("cannot create \"ubifs\" debugfs directory, " - "error %d\n", err); - return err; - } + size_t buf_size; + char buf[8]; - return 0; -} + buf_size = min_t(size_t, count, (sizeof(buf) - 1)); + if (copy_from_user(buf, u, buf_size)) + return -EFAULT; -/** - * dbg_debugfs_exit - remove the "ubifs" directory from debugfs file-system. - */ -void dbg_debugfs_exit(void) -{ - debugfs_remove(dfs_rootdir); -} + if (buf[0] == '1') + return 1; + else if (buf[0] == '0') + return 0; -static int open_debugfs_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return nonseekable_open(inode, file); + return -EINVAL; } -static ssize_t write_debugfs_file(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) +static ssize_t dfs_file_write(struct file *file, const char __user *u, + size_t count, loff_t *ppos) { struct ubifs_info *c = file->private_data; struct ubifs_debug_info *d = c->dbg; + struct dentry *dent = file->f_path.dentry; + int val; - if (file->f_path.dentry == d->dfs_dump_lprops) + /* + * TODO: this is racy - the file-system might have already been + * unmounted and we'd oops in this case. The plan is to fix it with + * help of 'iterate_supers_type()' which we should have in v3.0: when + * a debugfs opened, we rember FS's UUID in file->private_data. Then + * whenever we access the FS via a debugfs file, we iterate all UBIFS + * superblocks and fine the one with the same UUID, and take the + * locking right. + * + * The other way to go suggested by Al Viro is to create a separate + * 'ubifs-debug' file-system instead. + */ + if (file->f_path.dentry == d->dfs_dump_lprops) { dbg_dump_lprops(c); - else if (file->f_path.dentry == d->dfs_dump_budg) + return count; + } + if (file->f_path.dentry == d->dfs_dump_budg) { dbg_dump_budg(c, &c->bi); - else if (file->f_path.dentry == d->dfs_dump_tnc) { + return count; + } + if (file->f_path.dentry == d->dfs_dump_tnc) { mutex_lock(&c->tnc_mutex); dbg_dump_tnc(c); mutex_unlock(&c->tnc_mutex); - } else + return count; + } + + val = interpret_user_input(u, count); + if (val < 0) + return val; + + if (dent == d->dfs_chk_gen) + d->chk_gen = val; + else if (dent == d->dfs_chk_index) + d->chk_index = val; + else if (dent == d->dfs_chk_orph) + d->chk_orph = val; + else if (dent == d->dfs_chk_lprops) + d->chk_lprops = val; + else if (dent == d->dfs_chk_fs) + d->chk_fs = val; + else if (dent == d->dfs_tst_rcvry) + d->tst_rcvry = val; + else return -EINVAL; return count; } static const struct file_operations dfs_fops = { - .open = open_debugfs_file, - .write = write_debugfs_file, + .open = dfs_file_open, + .read = dfs_file_read, + .write = dfs_file_write, .owner = THIS_MODULE, .llseek = no_llseek, }; @@ -2880,12 +2897,20 @@ static const struct file_operations dfs_fops = { */ int dbg_debugfs_init_fs(struct ubifs_info *c) { - int err; + int err, n; const char *fname; struct dentry *dent; struct ubifs_debug_info *d = c->dbg; - sprintf(d->dfs_dir_name, "ubi%d_%d", c->vi.ubi_num, c->vi.vol_id); + n = snprintf(d->dfs_dir_name, UBIFS_DFS_DIR_LEN + 1, UBIFS_DFS_DIR_NAME, + c->vi.ubi_num, c->vi.vol_id); + if (n == UBIFS_DFS_DIR_LEN) { + /* The array size is too small */ + fname = UBIFS_DFS_DIR_NAME; + dent = ERR_PTR(-EINVAL); + goto out; + } + fname = d->dfs_dir_name; dent = debugfs_create_dir(fname, dfs_rootdir); if (IS_ERR_OR_NULL(dent)) @@ -2910,13 +2935,55 @@ int dbg_debugfs_init_fs(struct ubifs_info *c) goto out_remove; d->dfs_dump_tnc = dent; + fname = "chk_general"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, d->dfs_dir, c, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_chk_gen = dent; + + fname = "chk_index"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, d->dfs_dir, c, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_chk_index = dent; + + fname = "chk_orphans"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, d->dfs_dir, c, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_chk_orph = dent; + + fname = "chk_lprops"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, d->dfs_dir, c, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_chk_lprops = dent; + + fname = "chk_fs"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, d->dfs_dir, c, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_chk_fs = dent; + + fname = "tst_recovery"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, d->dfs_dir, c, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_tst_rcvry = dent; + return 0; out_remove: debugfs_remove_recursive(d->dfs_dir); out: err = dent ? PTR_ERR(dent) : -ENODEV; - ubifs_err("cannot create \"%s\" debugfs directory, error %d\n", + ubifs_err("cannot create \"%s\" debugfs file or directory, error %d\n", fname, err); return err; } @@ -2930,4 +2997,179 @@ void dbg_debugfs_exit_fs(struct ubifs_info *c) debugfs_remove_recursive(c->dbg->dfs_dir); } +struct ubifs_global_debug_info ubifs_dbg; + +static struct dentry *dfs_chk_gen; +static struct dentry *dfs_chk_index; +static struct dentry *dfs_chk_orph; +static struct dentry *dfs_chk_lprops; +static struct dentry *dfs_chk_fs; +static struct dentry *dfs_tst_rcvry; + +static ssize_t dfs_global_file_read(struct file *file, char __user *u, + size_t count, loff_t *ppos) +{ + struct dentry *dent = file->f_path.dentry; + int val; + + if (dent == dfs_chk_gen) + val = ubifs_dbg.chk_gen; + else if (dent == dfs_chk_index) + val = ubifs_dbg.chk_index; + else if (dent == dfs_chk_orph) + val = ubifs_dbg.chk_orph; + else if (dent == dfs_chk_lprops) + val = ubifs_dbg.chk_lprops; + else if (dent == dfs_chk_fs) + val = ubifs_dbg.chk_fs; + else if (dent == dfs_tst_rcvry) + val = ubifs_dbg.tst_rcvry; + else + return -EINVAL; + + return provide_user_output(val, u, count, ppos); +} + +static ssize_t dfs_global_file_write(struct file *file, const char __user *u, + size_t count, loff_t *ppos) +{ + struct dentry *dent = file->f_path.dentry; + int val; + + val = interpret_user_input(u, count); + if (val < 0) + return val; + + if (dent == dfs_chk_gen) + ubifs_dbg.chk_gen = val; + else if (dent == dfs_chk_index) + ubifs_dbg.chk_index = val; + else if (dent == dfs_chk_orph) + ubifs_dbg.chk_orph = val; + else if (dent == dfs_chk_lprops) + ubifs_dbg.chk_lprops = val; + else if (dent == dfs_chk_fs) + ubifs_dbg.chk_fs = val; + else if (dent == dfs_tst_rcvry) + ubifs_dbg.tst_rcvry = val; + else + return -EINVAL; + + return count; +} + +static const struct file_operations dfs_global_fops = { + .read = dfs_global_file_read, + .write = dfs_global_file_write, + .owner = THIS_MODULE, + .llseek = no_llseek, +}; + +/** + * dbg_debugfs_init - initialize debugfs file-system. + * + * UBIFS uses debugfs file-system to expose various debugging knobs to + * user-space. This function creates "ubifs" directory in the debugfs + * file-system. Returns zero in case of success and a negative error code in + * case of failure. + */ +int dbg_debugfs_init(void) +{ + int err; + const char *fname; + struct dentry *dent; + + fname = "ubifs"; + dent = debugfs_create_dir(fname, NULL); + if (IS_ERR_OR_NULL(dent)) + goto out; + dfs_rootdir = dent; + + fname = "chk_general"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, dfs_rootdir, NULL, + &dfs_global_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + dfs_chk_gen = dent; + + fname = "chk_index"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, dfs_rootdir, NULL, + &dfs_global_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + dfs_chk_index = dent; + + fname = "chk_orphans"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, dfs_rootdir, NULL, + &dfs_global_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + dfs_chk_orph = dent; + + fname = "chk_lprops"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, dfs_rootdir, NULL, + &dfs_global_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + dfs_chk_lprops = dent; + + fname = "chk_fs"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, dfs_rootdir, NULL, + &dfs_global_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + dfs_chk_fs = dent; + + fname = "tst_recovery"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, dfs_rootdir, NULL, + &dfs_global_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + dfs_tst_rcvry = dent; + + return 0; + +out_remove: + debugfs_remove_recursive(dfs_rootdir); +out: + err = dent ? PTR_ERR(dent) : -ENODEV; + ubifs_err("cannot create \"%s\" debugfs file or directory, error %d\n", + fname, err); + return err; +} + +/** + * dbg_debugfs_exit - remove the "ubifs" directory from debugfs file-system. + */ +void dbg_debugfs_exit(void) +{ + debugfs_remove_recursive(dfs_rootdir); +} + +/** + * ubifs_debugging_init - initialize UBIFS debugging. + * @c: UBIFS file-system description object + * + * This function initializes debugging-related data for the file system. + * Returns zero in case of success and a negative error code in case of + * failure. + */ +int ubifs_debugging_init(struct ubifs_info *c) +{ + c->dbg = kzalloc(sizeof(struct ubifs_debug_info), GFP_KERNEL); + if (!c->dbg) + return -ENOMEM; + + return 0; +} + +/** + * ubifs_debugging_exit - free debugging data. + * @c: UBIFS file-system description object + */ +void ubifs_debugging_exit(struct ubifs_info *c) +{ + kfree(c->dbg); +} + #endif /* CONFIG_UBIFS_FS_DEBUG */ diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h index a811ac4a26bb..45174b534377 100644 --- a/fs/ubifs/debug.h +++ b/fs/ubifs/debug.h @@ -31,18 +31,25 @@ typedef int (*dbg_znode_callback)(struct ubifs_info *c, #ifdef CONFIG_UBIFS_FS_DEBUG -#include <linux/random.h> +/* + * The UBIFS debugfs directory name pattern and maximum name length (3 for "ubi" + * + 1 for "_" and plus 2x2 for 2 UBI numbers and 1 for the trailing zero byte. + */ +#define UBIFS_DFS_DIR_NAME "ubi%d_%d" +#define UBIFS_DFS_DIR_LEN (3 + 1 + 2*2 + 1) /** * ubifs_debug_info - per-FS debugging information. * @old_zroot: old index root - used by 'dbg_check_old_index()' * @old_zroot_level: old index root level - used by 'dbg_check_old_index()' * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()' - * @failure_mode: failure mode for recovery testing - * @fail_delay: 0=>don't delay, 1=>delay a time, 2=>delay a number of calls - * @fail_timeout: time in jiffies when delay of failure mode expires - * @fail_cnt: current number of calls to failure mode I/O functions - * @fail_cnt_max: number of calls by which to delay failure mode + * + * @pc_happened: non-zero if an emulated power cut happened + * @pc_delay: 0=>don't delay, 1=>delay a time, 2=>delay a number of calls + * @pc_timeout: time in jiffies when delay of failure mode expires + * @pc_cnt: current number of calls to failure mode I/O functions + * @pc_cnt_max: number of calls by which to delay failure mode + * * @chk_lpt_sz: used by LPT tree size checker * @chk_lpt_sz2: used by LPT tree size checker * @chk_lpt_wastage: used by LPT tree size checker @@ -56,21 +63,36 @@ typedef int (*dbg_znode_callback)(struct ubifs_info *c, * @saved_free: saved amount of free space * @saved_idx_gc_cnt: saved value of @c->idx_gc_cnt * + * @chk_gen: if general extra checks are enabled + * @chk_index: if index xtra checks are enabled + * @chk_orph: if orphans extra checks are enabled + * @chk_lprops: if lprops extra checks are enabled + * @chk_fs: if UBIFS contents extra checks are enabled + * @tst_rcvry: if UBIFS recovery testing mode enabled + * * @dfs_dir_name: name of debugfs directory containing this file-system's files * @dfs_dir: direntry object of the file-system debugfs directory * @dfs_dump_lprops: "dump lprops" debugfs knob * @dfs_dump_budg: "dump budgeting information" debugfs knob * @dfs_dump_tnc: "dump TNC" debugfs knob + * @dfs_chk_gen: debugfs knob to enable UBIFS general extra checks + * @dfs_chk_index: debugfs knob to enable UBIFS index extra checks + * @dfs_chk_orph: debugfs knob to enable UBIFS orphans extra checks + * @dfs_chk_lprops: debugfs knob to enable UBIFS LEP properties extra checks + * @dfs_chk_fs: debugfs knob to enable UBIFS contents extra checks + * @dfs_tst_rcvry: debugfs knob to enable UBIFS recovery testing */ struct ubifs_debug_info { struct ubifs_zbranch old_zroot; int old_zroot_level; unsigned long long old_zroot_sqnum; - int failure_mode; - int fail_delay; - unsigned long fail_timeout; - unsigned int fail_cnt; - unsigned int fail_cnt_max; + + int pc_happened; + int pc_delay; + unsigned long pc_timeout; + unsigned int pc_cnt; + unsigned int pc_cnt_max; + long long chk_lpt_sz; long long chk_lpt_sz2; long long chk_lpt_wastage; @@ -84,11 +106,43 @@ struct ubifs_debug_info { long long saved_free; int saved_idx_gc_cnt; - char dfs_dir_name[100]; + unsigned int chk_gen:1; + unsigned int chk_index:1; + unsigned int chk_orph:1; + unsigned int chk_lprops:1; + unsigned int chk_fs:1; + unsigned int tst_rcvry:1; + + char dfs_dir_name[UBIFS_DFS_DIR_LEN + 1]; struct dentry *dfs_dir; struct dentry *dfs_dump_lprops; struct dentry *dfs_dump_budg; struct dentry *dfs_dump_tnc; + struct dentry *dfs_chk_gen; + struct dentry *dfs_chk_index; + struct dentry *dfs_chk_orph; + struct dentry *dfs_chk_lprops; + struct dentry *dfs_chk_fs; + struct dentry *dfs_tst_rcvry; +}; + +/** + * ubifs_global_debug_info - global (not per-FS) UBIFS debugging information. + * + * @chk_gen: if general extra checks are enabled + * @chk_index: if index xtra checks are enabled + * @chk_orph: if orphans extra checks are enabled + * @chk_lprops: if lprops extra checks are enabled + * @chk_fs: if UBIFS contents extra checks are enabled + * @tst_rcvry: if UBIFS recovery testing mode enabled + */ +struct ubifs_global_debug_info { + unsigned int chk_gen:1; + unsigned int chk_index:1; + unsigned int chk_orph:1; + unsigned int chk_lprops:1; + unsigned int chk_fs:1; + unsigned int tst_rcvry:1; }; #define ubifs_assert(expr) do { \ @@ -127,6 +181,8 @@ const char *dbg_key_str1(const struct ubifs_info *c, #define DBGKEY(key) dbg_key_str0(c, (key)) #define DBGKEY1(key) dbg_key_str1(c, (key)) +extern spinlock_t dbg_lock; + #define ubifs_dbg_msg(type, fmt, ...) do { \ spin_lock(&dbg_lock); \ pr_debug("UBIFS DBG " type ": " fmt "\n", ##__VA_ARGS__); \ @@ -162,41 +218,36 @@ const char *dbg_key_str1(const struct ubifs_info *c, /* Additional recovery messages */ #define dbg_rcvry(fmt, ...) ubifs_dbg_msg("rcvry", fmt, ##__VA_ARGS__) -/* - * Debugging check flags. - * - * UBIFS_CHK_GEN: general checks - * UBIFS_CHK_TNC: check TNC - * UBIFS_CHK_IDX_SZ: check index size - * UBIFS_CHK_ORPH: check orphans - * UBIFS_CHK_OLD_IDX: check the old index - * UBIFS_CHK_LPROPS: check lprops - * UBIFS_CHK_FS: check the file-system - */ -enum { - UBIFS_CHK_GEN = 0x1, - UBIFS_CHK_TNC = 0x2, - UBIFS_CHK_IDX_SZ = 0x4, - UBIFS_CHK_ORPH = 0x8, - UBIFS_CHK_OLD_IDX = 0x10, - UBIFS_CHK_LPROPS = 0x20, - UBIFS_CHK_FS = 0x40, -}; - -/* - * Special testing flags. - * - * UBIFS_TST_RCVRY: failure mode for recovery testing - */ -enum { - UBIFS_TST_RCVRY = 0x4, -}; - -extern spinlock_t dbg_lock; +extern struct ubifs_global_debug_info ubifs_dbg; -extern unsigned int ubifs_msg_flags; -extern unsigned int ubifs_chk_flags; -extern unsigned int ubifs_tst_flags; +static inline int dbg_is_chk_gen(const struct ubifs_info *c) +{ + return !!(ubifs_dbg.chk_gen || c->dbg->chk_gen); +} +static inline int dbg_is_chk_index(const struct ubifs_info *c) +{ + return !!(ubifs_dbg.chk_index || c->dbg->chk_index); +} +static inline int dbg_is_chk_orph(const struct ubifs_info *c) +{ + return !!(ubifs_dbg.chk_orph || c->dbg->chk_orph); +} +static inline int dbg_is_chk_lprops(const struct ubifs_info *c) +{ + return !!(ubifs_dbg.chk_lprops || c->dbg->chk_lprops); +} +static inline int dbg_is_chk_fs(const struct ubifs_info *c) +{ + return !!(ubifs_dbg.chk_fs || c->dbg->chk_fs); +} +static inline int dbg_is_tst_rcvry(const struct ubifs_info *c) +{ + return !!(ubifs_dbg.tst_rcvry || c->dbg->tst_rcvry); +} +static inline int dbg_is_power_cut(const struct ubifs_info *c) +{ + return !!c->dbg->pc_happened; +} int ubifs_debugging_init(struct ubifs_info *c); void ubifs_debugging_exit(struct ubifs_info *c); @@ -207,7 +258,7 @@ const char *dbg_cstate(int cmt_state); const char *dbg_jhead(int jhead); const char *dbg_get_key_dump(const struct ubifs_info *c, const union ubifs_key *key); -void dbg_dump_inode(const struct ubifs_info *c, const struct inode *inode); +void dbg_dump_inode(struct ubifs_info *c, const struct inode *inode); void dbg_dump_node(const struct ubifs_info *c, const void *node); void dbg_dump_lpt_node(const struct ubifs_info *c, void *node, int lnum, int offs); @@ -240,8 +291,8 @@ int dbg_check_cats(struct ubifs_info *c); int dbg_check_ltab(struct ubifs_info *c); int dbg_chk_lpt_free_spc(struct ubifs_info *c); int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len); -int dbg_check_synced_i_size(struct inode *inode); -int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir); +int dbg_check_synced_i_size(const struct ubifs_info *c, struct inode *inode); +int dbg_check_dir(struct ubifs_info *c, const struct inode *dir); int dbg_check_tnc(struct ubifs_info *c, int extra); int dbg_check_idx_size(struct ubifs_info *c, long long idx_size); int dbg_check_filesystem(struct ubifs_info *c); @@ -254,54 +305,12 @@ int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode, int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head); int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head); -/* Force the use of in-the-gaps method for testing */ -static inline int dbg_force_in_the_gaps_enabled(void) -{ - return ubifs_chk_flags & UBIFS_CHK_GEN; -} -int dbg_force_in_the_gaps(void); - -/* Failure mode for recovery testing */ -#define dbg_failure_mode (ubifs_tst_flags & UBIFS_TST_RCVRY) - -#ifndef UBIFS_DBG_PRESERVE_UBI -#define ubi_leb_read dbg_leb_read -#define ubi_leb_write dbg_leb_write -#define ubi_leb_change dbg_leb_change -#define ubi_leb_erase dbg_leb_erase -#define ubi_leb_unmap dbg_leb_unmap -#define ubi_is_mapped dbg_is_mapped -#define ubi_leb_map dbg_leb_map -#endif - -int dbg_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset, - int len, int check); -int dbg_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf, - int offset, int len, int dtype); -int dbg_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf, - int len, int dtype); -int dbg_leb_erase(struct ubi_volume_desc *desc, int lnum); -int dbg_leb_unmap(struct ubi_volume_desc *desc, int lnum); -int dbg_is_mapped(struct ubi_volume_desc *desc, int lnum); -int dbg_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype); - -static inline int dbg_read(struct ubi_volume_desc *desc, int lnum, char *buf, - int offset, int len) -{ - return dbg_leb_read(desc, lnum, buf, offset, len, 0); -} - -static inline int dbg_write(struct ubi_volume_desc *desc, int lnum, - const void *buf, int offset, int len) -{ - return dbg_leb_write(desc, lnum, buf, offset, len, UBI_UNKNOWN); -} - -static inline int dbg_change(struct ubi_volume_desc *desc, int lnum, - const void *buf, int len) -{ - return dbg_leb_change(desc, lnum, buf, len, UBI_UNKNOWN); -} +int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs, + int len, int dtype); +int dbg_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len, + int dtype); +int dbg_leb_unmap(struct ubifs_info *c, int lnum); +int dbg_leb_map(struct ubifs_info *c, int lnum, int dtype); /* Debugfs-related stuff */ int dbg_debugfs_init(void); @@ -313,7 +322,7 @@ void dbg_debugfs_exit_fs(struct ubifs_info *c); /* Use "if (0)" to make compiler check arguments even if debugging is off */ #define ubifs_assert(expr) do { \ - if (0 && (expr)) \ + if (0) \ printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \ __func__, __LINE__, current->pid); \ } while (0) @@ -323,6 +332,9 @@ void dbg_debugfs_exit_fs(struct ubifs_info *c); ubifs_err(fmt, ##__VA_ARGS__); \ } while (0) +#define DBGKEY(key) ((char *)(key)) +#define DBGKEY1(key) ((char *)(key)) + #define ubifs_dbg_msg(fmt, ...) do { \ if (0) \ pr_debug(fmt "\n", ##__VA_ARGS__); \ @@ -346,9 +358,6 @@ void dbg_debugfs_exit_fs(struct ubifs_info *c); #define dbg_scan(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) #define dbg_rcvry(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) -#define DBGKEY(key) ((char *)(key)) -#define DBGKEY1(key) ((char *)(key)) - static inline int ubifs_debugging_init(struct ubifs_info *c) { return 0; } static inline void ubifs_debugging_exit(struct ubifs_info *c) { return; } static inline const char *dbg_ntype(int type) { return ""; } @@ -357,7 +366,7 @@ static inline const char *dbg_jhead(int jhead) { return ""; } static inline const char * dbg_get_key_dump(const struct ubifs_info *c, const union ubifs_key *key) { return ""; } -static inline void dbg_dump_inode(const struct ubifs_info *c, +static inline void dbg_dump_inode(struct ubifs_info *c, const struct inode *inode) { return; } static inline void dbg_dump_node(const struct ubifs_info *c, const void *node) { return; } @@ -409,9 +418,11 @@ static inline int dbg_check_ltab(struct ubifs_info *c) { return 0; } static inline int dbg_chk_lpt_free_spc(struct ubifs_info *c) { return 0; } static inline int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len) { return 0; } -static inline int dbg_check_synced_i_size(struct inode *inode) { return 0; } -static inline int dbg_check_dir_size(struct ubifs_info *c, - const struct inode *dir) { return 0; } +static inline int +dbg_check_synced_i_size(const struct ubifs_info *c, + struct inode *inode) { return 0; } +static inline int dbg_check_dir(struct ubifs_info *c, + const struct inode *dir) { return 0; } static inline int dbg_check_tnc(struct ubifs_info *c, int extra) { return 0; } static inline int dbg_check_idx_size(struct ubifs_info *c, long long idx_size) { return 0; } @@ -431,9 +442,23 @@ static inline int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head) { return 0; } -static inline int dbg_force_in_the_gaps(void) { return 0; } -#define dbg_force_in_the_gaps_enabled() 0 -#define dbg_failure_mode 0 +static inline int dbg_leb_write(struct ubifs_info *c, int lnum, + const void *buf, int offset, + int len, int dtype) { return 0; } +static inline int dbg_leb_change(struct ubifs_info *c, int lnum, + const void *buf, int len, + int dtype) { return 0; } +static inline int dbg_leb_unmap(struct ubifs_info *c, int lnum) { return 0; } +static inline int dbg_leb_map(struct ubifs_info *c, int lnum, + int dtype) { return 0; } + +static inline int dbg_is_chk_gen(const struct ubifs_info *c) { return 0; } +static inline int dbg_is_chk_index(const struct ubifs_info *c) { return 0; } +static inline int dbg_is_chk_orph(const struct ubifs_info *c) { return 0; } +static inline int dbg_is_chk_lprops(const struct ubifs_info *c) { return 0; } +static inline int dbg_is_chk_fs(const struct ubifs_info *c) { return 0; } +static inline int dbg_is_tst_rcvry(const struct ubifs_info *c) { return 0; } +static inline int dbg_is_power_cut(const struct ubifs_info *c) { return 0; } static inline int dbg_debugfs_init(void) { return 0; } static inline void dbg_debugfs_exit(void) { return; } diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index ef5abd38f0bf..683492043317 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -102,7 +102,7 @@ struct inode *ubifs_new_inode(struct ubifs_info *c, const struct inode *dir, * UBIFS has to fully control "clean <-> dirty" transitions of inodes * to make budgeting work. */ - inode->i_flags |= (S_NOCMTIME); + inode->i_flags |= S_NOCMTIME; inode_init_owner(inode, dir, mode); inode->i_mtime = inode->i_atime = inode->i_ctime = @@ -172,9 +172,11 @@ struct inode *ubifs_new_inode(struct ubifs_info *c, const struct inode *dir, #ifdef CONFIG_UBIFS_FS_DEBUG -static int dbg_check_name(struct ubifs_dent_node *dent, struct qstr *nm) +static int dbg_check_name(const struct ubifs_info *c, + const struct ubifs_dent_node *dent, + const struct qstr *nm) { - if (!(ubifs_chk_flags & UBIFS_CHK_GEN)) + if (!dbg_is_chk_gen(c)) return 0; if (le16_to_cpu(dent->nlen) != nm->len) return -EINVAL; @@ -185,7 +187,7 @@ static int dbg_check_name(struct ubifs_dent_node *dent, struct qstr *nm) #else -#define dbg_check_name(dent, nm) 0 +#define dbg_check_name(c, dent, nm) 0 #endif @@ -219,7 +221,7 @@ static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry, goto out; } - if (dbg_check_name(dent, &dentry->d_name)) { + if (dbg_check_name(c, dent, &dentry->d_name)) { err = -EINVAL; goto out; } @@ -522,7 +524,7 @@ static int ubifs_link(struct dentry *old_dentry, struct inode *dir, ubifs_assert(mutex_is_locked(&dir->i_mutex)); ubifs_assert(mutex_is_locked(&inode->i_mutex)); - err = dbg_check_synced_i_size(inode); + err = dbg_check_synced_i_size(c, inode); if (err) return err; @@ -577,7 +579,7 @@ static int ubifs_unlink(struct inode *dir, struct dentry *dentry) inode->i_nlink, dir->i_ino); ubifs_assert(mutex_is_locked(&dir->i_mutex)); ubifs_assert(mutex_is_locked(&inode->i_mutex)); - err = dbg_check_synced_i_size(inode); + err = dbg_check_synced_i_size(c, inode); if (err) return err; diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 5e7fccfc4b29..7cf738a4544d 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1263,7 +1263,7 @@ int ubifs_setattr(struct dentry *dentry, struct iattr *attr) if (err) return err; - err = dbg_check_synced_i_size(inode); + err = dbg_check_synced_i_size(c, inode); if (err) return err; diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c index 3be645e012c9..9228950a658f 100644 --- a/fs/ubifs/io.c +++ b/fs/ubifs/io.c @@ -86,8 +86,125 @@ void ubifs_ro_mode(struct ubifs_info *c, int err) c->no_chk_data_crc = 0; c->vfs_sb->s_flags |= MS_RDONLY; ubifs_warn("switched to read-only mode, error %d", err); + dump_stack(); + } +} + +/* + * Below are simple wrappers over UBI I/O functions which include some + * additional checks and UBIFS debugging stuff. See corresponding UBI function + * for more information. + */ + +int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs, + int len, int even_ebadmsg) +{ + int err; + + err = ubi_read(c->ubi, lnum, buf, offs, len); + /* + * In case of %-EBADMSG print the error message only if the + * @even_ebadmsg is true. + */ + if (err && (err != -EBADMSG || even_ebadmsg)) { + ubifs_err("reading %d bytes from LEB %d:%d failed, error %d", + len, lnum, offs, err); + dbg_dump_stack(); + } + return err; +} + +int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs, + int len, int dtype) +{ + int err; + + ubifs_assert(!c->ro_media && !c->ro_mount); + if (c->ro_error) + return -EROFS; + if (!dbg_is_tst_rcvry(c)) + err = ubi_leb_write(c->ubi, lnum, buf, offs, len, dtype); + else + err = dbg_leb_write(c, lnum, buf, offs, len, dtype); + if (err) { + ubifs_err("writing %d bytes to LEB %d:%d failed, error %d", + len, lnum, offs, err); + ubifs_ro_mode(c, err); + dbg_dump_stack(); + } + return err; +} + +int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len, + int dtype) +{ + int err; + + ubifs_assert(!c->ro_media && !c->ro_mount); + if (c->ro_error) + return -EROFS; + if (!dbg_is_tst_rcvry(c)) + err = ubi_leb_change(c->ubi, lnum, buf, len, dtype); + else + err = dbg_leb_change(c, lnum, buf, len, dtype); + if (err) { + ubifs_err("changing %d bytes in LEB %d failed, error %d", + len, lnum, err); + ubifs_ro_mode(c, err); + dbg_dump_stack(); + } + return err; +} + +int ubifs_leb_unmap(struct ubifs_info *c, int lnum) +{ + int err; + + ubifs_assert(!c->ro_media && !c->ro_mount); + if (c->ro_error) + return -EROFS; + if (!dbg_is_tst_rcvry(c)) + err = ubi_leb_unmap(c->ubi, lnum); + else + err = dbg_leb_unmap(c, lnum); + if (err) { + ubifs_err("unmap LEB %d failed, error %d", lnum, err); + ubifs_ro_mode(c, err); + dbg_dump_stack(); + } + return err; +} + +int ubifs_leb_map(struct ubifs_info *c, int lnum, int dtype) +{ + int err; + + ubifs_assert(!c->ro_media && !c->ro_mount); + if (c->ro_error) + return -EROFS; + if (!dbg_is_tst_rcvry(c)) + err = ubi_leb_map(c->ubi, lnum, dtype); + else + err = dbg_leb_map(c, lnum, dtype); + if (err) { + ubifs_err("mapping LEB %d failed, error %d", lnum, err); + ubifs_ro_mode(c, err); + dbg_dump_stack(); + } + return err; +} + +int ubifs_is_mapped(const struct ubifs_info *c, int lnum) +{ + int err; + + err = ubi_is_mapped(c->ubi, lnum); + if (err < 0) { + ubifs_err("ubi_is_mapped failed for LEB %d, error %d", + lnum, err); dbg_dump_stack(); } + return err; } /** @@ -406,14 +523,10 @@ int ubifs_wbuf_sync_nolock(struct ubifs_wbuf *wbuf) dirt = sync_len - wbuf->used; if (dirt) ubifs_pad(c, wbuf->buf + wbuf->used, dirt); - err = ubi_leb_write(c->ubi, wbuf->lnum, wbuf->buf, wbuf->offs, - sync_len, wbuf->dtype); - if (err) { - ubifs_err("cannot write %d bytes to LEB %d:%d", - sync_len, wbuf->lnum, wbuf->offs); - dbg_dump_stack(); + err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs, sync_len, + wbuf->dtype); + if (err) return err; - } spin_lock(&wbuf->lock); wbuf->offs += sync_len; @@ -605,9 +718,9 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) if (aligned_len == wbuf->avail) { dbg_io("flush jhead %s wbuf to LEB %d:%d", dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs); - err = ubi_leb_write(c->ubi, wbuf->lnum, wbuf->buf, - wbuf->offs, wbuf->size, - wbuf->dtype); + err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, + wbuf->offs, wbuf->size, + wbuf->dtype); if (err) goto out; @@ -642,8 +755,8 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) dbg_io("flush jhead %s wbuf to LEB %d:%d", dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs); memcpy(wbuf->buf + wbuf->used, buf, wbuf->avail); - err = ubi_leb_write(c->ubi, wbuf->lnum, wbuf->buf, wbuf->offs, - wbuf->size, wbuf->dtype); + err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs, + wbuf->size, wbuf->dtype); if (err) goto out; @@ -661,8 +774,8 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) */ dbg_io("write %d bytes to LEB %d:%d", wbuf->size, wbuf->lnum, wbuf->offs); - err = ubi_leb_write(c->ubi, wbuf->lnum, buf, wbuf->offs, - wbuf->size, wbuf->dtype); + err = ubifs_leb_write(c, wbuf->lnum, buf, wbuf->offs, + wbuf->size, wbuf->dtype); if (err) goto out; @@ -683,8 +796,8 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) n <<= c->max_write_shift; dbg_io("write %d bytes to LEB %d:%d", n, wbuf->lnum, wbuf->offs); - err = ubi_leb_write(c->ubi, wbuf->lnum, buf + written, - wbuf->offs, n, wbuf->dtype); + err = ubifs_leb_write(c, wbuf->lnum, buf + written, + wbuf->offs, n, wbuf->dtype); if (err) goto out; wbuf->offs += n; @@ -766,13 +879,9 @@ int ubifs_write_node(struct ubifs_info *c, void *buf, int len, int lnum, return -EROFS; ubifs_prepare_node(c, buf, len, 1); - err = ubi_leb_write(c->ubi, lnum, buf, offs, buf_len, dtype); - if (err) { - ubifs_err("cannot write %d bytes to LEB %d:%d, error %d", - buf_len, lnum, offs, err); + err = ubifs_leb_write(c, lnum, buf, offs, buf_len, dtype); + if (err) dbg_dump_node(c, buf); - dbg_dump_stack(); - } return err; } @@ -824,13 +933,9 @@ int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len, if (rlen > 0) { /* Read everything that goes before write-buffer */ - err = ubi_read(c->ubi, lnum, buf, offs, rlen); - if (err && err != -EBADMSG) { - ubifs_err("failed to read node %d from LEB %d:%d, " - "error %d", type, lnum, offs, err); - dbg_dump_stack(); + err = ubifs_leb_read(c, lnum, buf, offs, rlen, 0); + if (err && err != -EBADMSG) return err; - } } if (type != ch->node_type) { @@ -885,12 +990,9 @@ int ubifs_read_node(const struct ubifs_info *c, void *buf, int type, int len, ubifs_assert(!(offs & 7) && offs < c->leb_size); ubifs_assert(type >= 0 && type < UBIFS_NODE_TYPES_CNT); - err = ubi_read(c->ubi, lnum, buf, offs, len); - if (err && err != -EBADMSG) { - ubifs_err("cannot read node %d from LEB %d:%d, error %d", - type, lnum, offs, err); + err = ubifs_leb_read(c, lnum, buf, offs, len, 0); + if (err && err != -EBADMSG) return err; - } if (type != ch->node_type) { ubifs_err("bad node type (%d but expected %d)", diff --git a/fs/ubifs/log.c b/fs/ubifs/log.c index affea9494ae2..f9fd068d1ae0 100644 --- a/fs/ubifs/log.c +++ b/fs/ubifs/log.c @@ -262,7 +262,7 @@ int ubifs_add_bud_to_log(struct ubifs_info *c, int jhead, int lnum, int offs) * an unclean reboot, because the target LEB might have been * unmapped, but not yet physically erased. */ - err = ubi_leb_map(c->ubi, bud->lnum, UBI_SHORTTERM); + err = ubifs_leb_map(c, bud->lnum, UBI_SHORTTERM); if (err) goto out_unlock; } @@ -283,8 +283,6 @@ int ubifs_add_bud_to_log(struct ubifs_info *c, int jhead, int lnum, int offs) return 0; out_unlock: - if (err != -EAGAIN) - ubifs_ro_mode(c, err); mutex_unlock(&c->log_mutex); kfree(ref); kfree(bud); @@ -752,7 +750,7 @@ static int dbg_check_bud_bytes(struct ubifs_info *c) struct ubifs_bud *bud; long long bud_bytes = 0; - if (!(ubifs_chk_flags & UBIFS_CHK_GEN)) + if (!dbg_is_chk_gen(c)) return 0; spin_lock(&c->buds_lock); diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c index 667884f4a615..f8a181e647cc 100644 --- a/fs/ubifs/lprops.c +++ b/fs/ubifs/lprops.c @@ -504,7 +504,7 @@ static int is_lprops_dirty(struct ubifs_info *c, struct ubifs_lprops *lprops) pnode = (struct ubifs_pnode *)container_of(lprops - pos, struct ubifs_pnode, lprops[0]); - return !test_bit(COW_ZNODE, &pnode->flags) && + return !test_bit(COW_CNODE, &pnode->flags) && test_bit(DIRTY_CNODE, &pnode->flags); } @@ -860,7 +860,7 @@ int dbg_check_cats(struct ubifs_info *c) struct list_head *pos; int i, cat; - if (!(ubifs_chk_flags & (UBIFS_CHK_GEN | UBIFS_CHK_LPROPS))) + if (!dbg_is_chk_gen(c) && !dbg_is_chk_lprops(c)) return 0; list_for_each_entry(lprops, &c->empty_list, list) { @@ -958,7 +958,7 @@ void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat, { int i = 0, j, err = 0; - if (!(ubifs_chk_flags & (UBIFS_CHK_GEN | UBIFS_CHK_LPROPS))) + if (!dbg_is_chk_gen(c) && !dbg_is_chk_lprops(c)) return; for (i = 0; i < heap->cnt; i++) { @@ -1262,7 +1262,7 @@ int dbg_check_lprops(struct ubifs_info *c) int i, err; struct ubifs_lp_stats lst; - if (!(ubifs_chk_flags & UBIFS_CHK_LPROPS)) + if (!dbg_is_chk_lprops(c)) return 0; /* diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c index ef5155e109a2..6189c74d97f0 100644 --- a/fs/ubifs/lpt.c +++ b/fs/ubifs/lpt.c @@ -701,8 +701,8 @@ int ubifs_create_dflt_lpt(struct ubifs_info *c, int *main_lebs, int lpt_first, alen = ALIGN(len, c->min_io_size); set_ltab(c, lnum, c->leb_size - alen, alen - len); memset(p, 0xff, alen - len); - err = ubi_leb_change(c->ubi, lnum++, buf, alen, - UBI_SHORTTERM); + err = ubifs_leb_change(c, lnum++, buf, alen, + UBI_SHORTTERM); if (err) goto out; p = buf; @@ -732,8 +732,8 @@ int ubifs_create_dflt_lpt(struct ubifs_info *c, int *main_lebs, int lpt_first, set_ltab(c, lnum, c->leb_size - alen, alen - len); memset(p, 0xff, alen - len); - err = ubi_leb_change(c->ubi, lnum++, buf, alen, - UBI_SHORTTERM); + err = ubifs_leb_change(c, lnum++, buf, alen, + UBI_SHORTTERM); if (err) goto out; p = buf; @@ -780,8 +780,8 @@ int ubifs_create_dflt_lpt(struct ubifs_info *c, int *main_lebs, int lpt_first, alen = ALIGN(len, c->min_io_size); set_ltab(c, lnum, c->leb_size - alen, alen - len); memset(p, 0xff, alen - len); - err = ubi_leb_change(c->ubi, lnum++, buf, alen, - UBI_SHORTTERM); + err = ubifs_leb_change(c, lnum++, buf, alen, + UBI_SHORTTERM); if (err) goto out; p = buf; @@ -806,7 +806,7 @@ int ubifs_create_dflt_lpt(struct ubifs_info *c, int *main_lebs, int lpt_first, alen = ALIGN(len, c->min_io_size); set_ltab(c, lnum, c->leb_size - alen, alen - len); memset(p, 0xff, alen - len); - err = ubi_leb_change(c->ubi, lnum++, buf, alen, UBI_SHORTTERM); + err = ubifs_leb_change(c, lnum++, buf, alen, UBI_SHORTTERM); if (err) goto out; p = buf; @@ -826,7 +826,7 @@ int ubifs_create_dflt_lpt(struct ubifs_info *c, int *main_lebs, int lpt_first, /* Write remaining buffer */ memset(p, 0xff, alen - len); - err = ubi_leb_change(c->ubi, lnum, buf, alen, UBI_SHORTTERM); + err = ubifs_leb_change(c, lnum, buf, alen, UBI_SHORTTERM); if (err) goto out; @@ -1222,7 +1222,7 @@ int ubifs_read_nnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip) if (c->big_lpt) nnode->num = calc_nnode_num_from_parent(c, parent, iip); } else { - err = ubi_read(c->ubi, lnum, buf, offs, c->nnode_sz); + err = ubifs_leb_read(c, lnum, buf, offs, c->nnode_sz, 1); if (err) goto out; err = ubifs_unpack_nnode(c, buf, nnode); @@ -1247,6 +1247,7 @@ int ubifs_read_nnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip) out: ubifs_err("error %d reading nnode at %d:%d", err, lnum, offs); + dbg_dump_stack(); kfree(nnode); return err; } @@ -1290,7 +1291,7 @@ static int read_pnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip) lprops->flags = ubifs_categorize_lprops(c, lprops); } } else { - err = ubi_read(c->ubi, lnum, buf, offs, c->pnode_sz); + err = ubifs_leb_read(c, lnum, buf, offs, c->pnode_sz, 1); if (err) goto out; err = unpack_pnode(c, buf, pnode); @@ -1312,6 +1313,7 @@ static int read_pnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip) out: ubifs_err("error %d reading pnode at %d:%d", err, lnum, offs); dbg_dump_pnode(c, pnode, parent, iip); + dbg_dump_stack(); dbg_msg("calc num: %d", calc_pnode_num_from_parent(c, parent, iip)); kfree(pnode); return err; @@ -1331,7 +1333,7 @@ static int read_ltab(struct ubifs_info *c) buf = vmalloc(c->ltab_sz); if (!buf) return -ENOMEM; - err = ubi_read(c->ubi, c->ltab_lnum, buf, c->ltab_offs, c->ltab_sz); + err = ubifs_leb_read(c, c->ltab_lnum, buf, c->ltab_offs, c->ltab_sz, 1); if (err) goto out; err = unpack_ltab(c, buf); @@ -1354,7 +1356,8 @@ static int read_lsave(struct ubifs_info *c) buf = vmalloc(c->lsave_sz); if (!buf) return -ENOMEM; - err = ubi_read(c->ubi, c->lsave_lnum, buf, c->lsave_offs, c->lsave_sz); + err = ubifs_leb_read(c, c->lsave_lnum, buf, c->lsave_offs, + c->lsave_sz, 1); if (err) goto out; err = unpack_lsave(c, buf); @@ -1814,8 +1817,8 @@ static struct ubifs_nnode *scan_get_nnode(struct ubifs_info *c, if (c->big_lpt) nnode->num = calc_nnode_num_from_parent(c, parent, iip); } else { - err = ubi_read(c->ubi, branch->lnum, buf, branch->offs, - c->nnode_sz); + err = ubifs_leb_read(c, branch->lnum, buf, branch->offs, + c->nnode_sz, 1); if (err) return ERR_PTR(err); err = ubifs_unpack_nnode(c, buf, nnode); @@ -1883,8 +1886,8 @@ static struct ubifs_pnode *scan_get_pnode(struct ubifs_info *c, ubifs_assert(branch->lnum >= c->lpt_first && branch->lnum <= c->lpt_last); ubifs_assert(branch->offs >= 0 && branch->offs < c->leb_size); - err = ubi_read(c->ubi, branch->lnum, buf, branch->offs, - c->pnode_sz); + err = ubifs_leb_read(c, branch->lnum, buf, branch->offs, + c->pnode_sz, 1); if (err) return ERR_PTR(err); err = unpack_pnode(c, buf, pnode); @@ -2224,7 +2227,7 @@ int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode, struct ubifs_cnode *cn; int num, iip = 0, err; - if (!(ubifs_chk_flags & UBIFS_CHK_LPROPS)) + if (!dbg_is_chk_lprops(c)) return 0; while (cnode) { diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c index dfcb5748a7dc..cddd6bd214f4 100644 --- a/fs/ubifs/lpt_commit.c +++ b/fs/ubifs/lpt_commit.c @@ -27,6 +27,7 @@ #include <linux/crc16.h> #include <linux/slab.h> +#include <linux/random.h> #include "ubifs.h" #ifdef CONFIG_UBIFS_FS_DEBUG @@ -116,8 +117,8 @@ static int get_cnodes_to_commit(struct ubifs_info *c) return 0; cnt += 1; while (1) { - ubifs_assert(!test_bit(COW_ZNODE, &cnode->flags)); - __set_bit(COW_ZNODE, &cnode->flags); + ubifs_assert(!test_bit(COW_CNODE, &cnode->flags)); + __set_bit(COW_CNODE, &cnode->flags); cnext = next_dirty_cnode(cnode); if (!cnext) { cnode->cnext = c->lpt_cnext; @@ -465,7 +466,7 @@ static int write_cnodes(struct ubifs_info *c) */ clear_bit(DIRTY_CNODE, &cnode->flags); smp_mb__before_clear_bit(); - clear_bit(COW_ZNODE, &cnode->flags); + clear_bit(COW_CNODE, &cnode->flags); smp_mb__after_clear_bit(); offs += len; dbg_chk_lpt_sz(c, 1, len); @@ -1160,11 +1161,11 @@ static int lpt_gc_lnum(struct ubifs_info *c, int lnum) void *buf = c->lpt_buf; dbg_lp("LEB %d", lnum); - err = ubi_read(c->ubi, lnum, buf, 0, c->leb_size); - if (err) { - ubifs_err("cannot read LEB %d, error %d", lnum, err); + + err = ubifs_leb_read(c, lnum, buf, 0, c->leb_size, 1); + if (err) return err; - } + while (1) { if (!is_a_node(c, buf, len)) { int pad_len; @@ -1640,7 +1641,7 @@ static int dbg_check_ltab_lnum(struct ubifs_info *c, int lnum) int ret; void *buf, *p; - if (!(ubifs_chk_flags & UBIFS_CHK_LPROPS)) + if (!dbg_is_chk_lprops(c)) return 0; buf = p = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL); @@ -1650,11 +1651,11 @@ static int dbg_check_ltab_lnum(struct ubifs_info *c, int lnum) } dbg_lp("LEB %d", lnum); - err = ubi_read(c->ubi, lnum, buf, 0, c->leb_size); - if (err) { - dbg_msg("ubi_read failed, LEB %d, error %d", lnum, err); + + err = ubifs_leb_read(c, lnum, buf, 0, c->leb_size, 1); + if (err) goto out; - } + while (1) { if (!is_a_node(c, p, len)) { int i, pad_len; @@ -1711,7 +1712,7 @@ int dbg_check_ltab(struct ubifs_info *c) { int lnum, err, i, cnt; - if (!(ubifs_chk_flags & UBIFS_CHK_LPROPS)) + if (!dbg_is_chk_lprops(c)) return 0; /* Bring the entire tree into memory */ @@ -1754,7 +1755,7 @@ int dbg_chk_lpt_free_spc(struct ubifs_info *c) long long free = 0; int i; - if (!(ubifs_chk_flags & UBIFS_CHK_LPROPS)) + if (!dbg_is_chk_lprops(c)) return 0; for (i = 0; i < c->lpt_lebs; i++) { @@ -1796,7 +1797,7 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len) long long chk_lpt_sz, lpt_sz; int err = 0; - if (!(ubifs_chk_flags & UBIFS_CHK_LPROPS)) + if (!dbg_is_chk_lprops(c)) return 0; switch (action) { @@ -1901,11 +1902,10 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum) return; } - err = ubi_read(c->ubi, lnum, buf, 0, c->leb_size); - if (err) { - ubifs_err("cannot read LEB %d, error %d", lnum, err); + err = ubifs_leb_read(c, lnum, buf, 0, c->leb_size, 1); + if (err) goto out; - } + while (1) { offs = c->leb_size - len; if (!is_a_node(c, p, len)) { @@ -2019,7 +2019,7 @@ static int dbg_populate_lsave(struct ubifs_info *c) struct ubifs_lpt_heap *heap; int i; - if (!(ubifs_chk_flags & UBIFS_CHK_GEN)) + if (!dbg_is_chk_gen(c)) return 0; if (random32() & 3) return 0; diff --git a/fs/ubifs/misc.h b/fs/ubifs/misc.h index 0b5296a9a4c5..ee7cb5ebb6e8 100644 --- a/fs/ubifs/misc.h +++ b/fs/ubifs/misc.h @@ -39,6 +39,29 @@ static inline int ubifs_zn_dirty(const struct ubifs_znode *znode) } /** + * ubifs_zn_obsolete - check if znode is obsolete. + * @znode: znode to check + * + * This helper function returns %1 if @znode is obsolete and %0 otherwise. + */ +static inline int ubifs_zn_obsolete(const struct ubifs_znode *znode) +{ + return !!test_bit(OBSOLETE_ZNODE, &znode->flags); +} + +/** + * ubifs_zn_cow - check if znode has to be copied on write. + * @znode: znode to check + * + * This helper function returns %1 if @znode is has COW flag set and %0 + * otherwise. + */ +static inline int ubifs_zn_cow(const struct ubifs_znode *znode) +{ + return !!test_bit(COW_ZNODE, &znode->flags); +} + +/** * ubifs_wake_up_bgt - wake up background thread. * @c: UBIFS file-system description object */ @@ -122,86 +145,6 @@ static inline int ubifs_wbuf_sync(struct ubifs_wbuf *wbuf) } /** - * ubifs_leb_unmap - unmap an LEB. - * @c: UBIFS file-system description object - * @lnum: LEB number to unmap - * - * This function returns %0 on success and a negative error code on failure. - */ -static inline int ubifs_leb_unmap(const struct ubifs_info *c, int lnum) -{ - int err; - - ubifs_assert(!c->ro_media && !c->ro_mount); - if (c->ro_error) - return -EROFS; - err = ubi_leb_unmap(c->ubi, lnum); - if (err) { - ubifs_err("unmap LEB %d failed, error %d", lnum, err); - return err; - } - - return 0; -} - -/** - * ubifs_leb_write - write to a LEB. - * @c: UBIFS file-system description object - * @lnum: LEB number to write - * @buf: buffer to write from - * @offs: offset within LEB to write to - * @len: length to write - * @dtype: data type - * - * This function returns %0 on success and a negative error code on failure. - */ -static inline int ubifs_leb_write(const struct ubifs_info *c, int lnum, - const void *buf, int offs, int len, int dtype) -{ - int err; - - ubifs_assert(!c->ro_media && !c->ro_mount); - if (c->ro_error) - return -EROFS; - err = ubi_leb_write(c->ubi, lnum, buf, offs, len, dtype); - if (err) { - ubifs_err("writing %d bytes at %d:%d, error %d", - len, lnum, offs, err); - return err; - } - - return 0; -} - -/** - * ubifs_leb_change - atomic LEB change. - * @c: UBIFS file-system description object - * @lnum: LEB number to write - * @buf: buffer to write from - * @len: length to write - * @dtype: data type - * - * This function returns %0 on success and a negative error code on failure. - */ -static inline int ubifs_leb_change(const struct ubifs_info *c, int lnum, - const void *buf, int len, int dtype) -{ - int err; - - ubifs_assert(!c->ro_media && !c->ro_mount); - if (c->ro_error) - return -EROFS; - err = ubi_leb_change(c->ubi, lnum, buf, len, dtype); - if (err) { - ubifs_err("changing %d bytes in LEB %d, error %d", - len, lnum, err); - return err; - } - - return 0; -} - -/** * ubifs_encode_dev - encode device node IDs. * @dev: UBIFS device node information * @rdev: device IDs to encode diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c index a5422fffbd69..c542c73cfa3c 100644 --- a/fs/ubifs/orphan.c +++ b/fs/ubifs/orphan.c @@ -929,7 +929,7 @@ static int dbg_check_orphans(struct ubifs_info *c) struct check_info ci; int err; - if (!(ubifs_chk_flags & UBIFS_CHK_ORPH)) + if (!dbg_is_chk_orph(c)) return 0; ci.last_ino = 0; diff --git a/fs/ubifs/recovery.c b/fs/ubifs/recovery.c index 783d8e0beb76..af02790d9328 100644 --- a/fs/ubifs/recovery.c +++ b/fs/ubifs/recovery.c @@ -117,7 +117,7 @@ static int get_master_node(const struct ubifs_info *c, int lnum, void **pbuf, if (!sbuf) return -ENOMEM; - err = ubi_read(c->ubi, lnum, sbuf, 0, c->leb_size); + err = ubifs_leb_read(c, lnum, sbuf, 0, c->leb_size, 0); if (err && err != -EBADMSG) goto out_free; @@ -213,10 +213,10 @@ static int write_rcvrd_mst_node(struct ubifs_info *c, mst->flags |= cpu_to_le32(UBIFS_MST_RCVRY); ubifs_prepare_node(c, mst, UBIFS_MST_NODE_SZ, 1); - err = ubi_leb_change(c->ubi, lnum, mst, sz, UBI_SHORTTERM); + err = ubifs_leb_change(c, lnum, mst, sz, UBI_SHORTTERM); if (err) goto out; - err = ubi_leb_change(c->ubi, lnum + 1, mst, sz, UBI_SHORTTERM); + err = ubifs_leb_change(c, lnum + 1, mst, sz, UBI_SHORTTERM); if (err) goto out; out: @@ -274,7 +274,8 @@ int ubifs_recover_master_node(struct ubifs_info *c) if (cor1) goto out_err; mst = mst1; - } else if (offs1 == 0 && offs2 + sz >= c->leb_size) { + } else if (offs1 == 0 && + c->leb_size - offs2 - sz < sz) { /* 1st LEB was unmapped and written, 2nd not */ if (cor1) goto out_err; @@ -539,8 +540,8 @@ static int fix_unclean_leb(struct ubifs_info *c, struct ubifs_scan_leb *sleb, int len = ALIGN(endpt, c->min_io_size); if (start) { - err = ubi_read(c->ubi, lnum, sleb->buf, 0, - start); + err = ubifs_leb_read(c, lnum, sleb->buf, 0, + start, 1); if (err) return err; } @@ -554,8 +555,8 @@ static int fix_unclean_leb(struct ubifs_info *c, struct ubifs_scan_leb *sleb, ubifs_pad(c, buf, pad_len); } } - err = ubi_leb_change(c->ubi, lnum, sleb->buf, len, - UBI_UNKNOWN); + err = ubifs_leb_change(c, lnum, sleb->buf, len, + UBI_UNKNOWN); if (err) return err; } @@ -819,7 +820,8 @@ static int get_cs_sqnum(struct ubifs_info *c, int lnum, int offs, return -ENOMEM; if (c->leb_size - offs < UBIFS_CS_NODE_SZ) goto out_err; - err = ubi_read(c->ubi, lnum, (void *)cs_node, offs, UBIFS_CS_NODE_SZ); + err = ubifs_leb_read(c, lnum, (void *)cs_node, offs, + UBIFS_CS_NODE_SZ, 0); if (err && err != -EBADMSG) goto out_free; ret = ubifs_scan_a_node(c, cs_node, UBIFS_CS_NODE_SZ, lnum, offs, 0); @@ -919,8 +921,7 @@ struct ubifs_scan_leb *ubifs_recover_log_leb(struct ubifs_info *c, int lnum, * * This function returns %0 on success and a negative error code on failure. */ -static int recover_head(const struct ubifs_info *c, int lnum, int offs, - void *sbuf) +static int recover_head(struct ubifs_info *c, int lnum, int offs, void *sbuf) { int len = c->max_write_size, err; @@ -931,15 +932,15 @@ static int recover_head(const struct ubifs_info *c, int lnum, int offs, return 0; /* Read at the head location and check it is empty flash */ - err = ubi_read(c->ubi, lnum, sbuf, offs, len); + err = ubifs_leb_read(c, lnum, sbuf, offs, len, 1); if (err || !is_empty(sbuf, len)) { dbg_rcvry("cleaning head at %d:%d", lnum, offs); if (offs == 0) return ubifs_leb_unmap(c, lnum); - err = ubi_read(c->ubi, lnum, sbuf, 0, offs); + err = ubifs_leb_read(c, lnum, sbuf, 0, offs, 1); if (err) return err; - return ubi_leb_change(c->ubi, lnum, sbuf, offs, UBI_UNKNOWN); + return ubifs_leb_change(c, lnum, sbuf, offs, UBI_UNKNOWN); } return 0; @@ -962,7 +963,7 @@ static int recover_head(const struct ubifs_info *c, int lnum, int offs, * * This function returns %0 on success and a negative error code on failure. */ -int ubifs_recover_inl_heads(const struct ubifs_info *c, void *sbuf) +int ubifs_recover_inl_heads(struct ubifs_info *c, void *sbuf) { int err; @@ -993,7 +994,7 @@ int ubifs_recover_inl_heads(const struct ubifs_info *c, void *sbuf) * * This function returns %0 on success and a negative error code on failure. */ -static int clean_an_unclean_leb(const struct ubifs_info *c, +static int clean_an_unclean_leb(struct ubifs_info *c, struct ubifs_unclean_leb *ucleb, void *sbuf) { int err, lnum = ucleb->lnum, offs = 0, len = ucleb->endpt, quiet = 1; @@ -1009,7 +1010,7 @@ static int clean_an_unclean_leb(const struct ubifs_info *c, return 0; } - err = ubi_read(c->ubi, lnum, buf, offs, len); + err = ubifs_leb_read(c, lnum, buf, offs, len, 0); if (err && err != -EBADMSG) return err; @@ -1069,7 +1070,7 @@ static int clean_an_unclean_leb(const struct ubifs_info *c, } /* Write back the LEB atomically */ - err = ubi_leb_change(c->ubi, lnum, sbuf, len, UBI_UNKNOWN); + err = ubifs_leb_change(c, lnum, sbuf, len, UBI_UNKNOWN); if (err) return err; @@ -1089,7 +1090,7 @@ static int clean_an_unclean_leb(const struct ubifs_info *c, * * This function returns %0 on success and a negative error code on failure. */ -int ubifs_clean_lebs(const struct ubifs_info *c, void *sbuf) +int ubifs_clean_lebs(struct ubifs_info *c, void *sbuf) { dbg_rcvry("recovery"); while (!list_empty(&c->unclean_leb_list)) { @@ -1454,7 +1455,7 @@ static int fix_size_in_place(struct ubifs_info *c, struct size_entry *e) if (i_size >= e->d_size) return 0; /* Read the LEB */ - err = ubi_read(c->ubi, lnum, c->sbuf, 0, c->leb_size); + err = ubifs_leb_read(c, lnum, c->sbuf, 0, c->leb_size, 1); if (err) goto out; /* Change the size field and recalculate the CRC */ @@ -1470,7 +1471,7 @@ static int fix_size_in_place(struct ubifs_info *c, struct size_entry *e) len -= 1; len = ALIGN(len + 1, c->min_io_size); /* Atomically write the fixed LEB back again */ - err = ubi_leb_change(c->ubi, lnum, c->sbuf, len, UBI_UNKNOWN); + err = ubifs_leb_change(c, lnum, c->sbuf, len, UBI_UNKNOWN); if (err) goto out; dbg_rcvry("inode %lu at %d:%d size %lld -> %lld", diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c index 5e97161ce4d3..ccabaf1164b3 100644 --- a/fs/ubifs/replay.c +++ b/fs/ubifs/replay.c @@ -523,8 +523,7 @@ static int is_last_bud(struct ubifs_info *c, struct ubifs_bud *bud) if (!list_is_last(&next->list, &jh->buds_list)) return 0; - err = ubi_read(c->ubi, next->lnum, (char *)&data, - next->start, 4); + err = ubifs_leb_read(c, next->lnum, (char *)&data, next->start, 4, 1); if (err) return 0; diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c index c606f010e8df..93d938ad3d2a 100644 --- a/fs/ubifs/sb.c +++ b/fs/ubifs/sb.c @@ -674,15 +674,15 @@ static int fixup_leb(struct ubifs_info *c, int lnum, int len) if (len == 0) { dbg_mnt("unmap empty LEB %d", lnum); - return ubi_leb_unmap(c->ubi, lnum); + return ubifs_leb_unmap(c, lnum); } dbg_mnt("fixup LEB %d, data len %d", lnum, len); - err = ubi_read(c->ubi, lnum, c->sbuf, 0, len); + err = ubifs_leb_read(c, lnum, c->sbuf, 0, len, 1); if (err) return err; - return ubi_leb_change(c->ubi, lnum, c->sbuf, len, UBI_UNKNOWN); + return ubifs_leb_change(c, lnum, c->sbuf, len, UBI_UNKNOWN); } /** diff --git a/fs/ubifs/scan.c b/fs/ubifs/scan.c index 36216b46f772..37383e8011b1 100644 --- a/fs/ubifs/scan.c +++ b/fs/ubifs/scan.c @@ -148,7 +148,7 @@ struct ubifs_scan_leb *ubifs_start_scan(const struct ubifs_info *c, int lnum, INIT_LIST_HEAD(&sleb->nodes); sleb->buf = sbuf; - err = ubi_read(c->ubi, lnum, sbuf + offs, offs, c->leb_size - offs); + err = ubifs_leb_read(c, lnum, sbuf + offs, offs, c->leb_size - offs, 0); if (err && err != -EBADMSG) { ubifs_err("cannot read %d bytes from LEB %d:%d," " error %d", c->leb_size - offs, lnum, offs, err); @@ -240,7 +240,7 @@ void ubifs_scanned_corruption(const struct ubifs_info *c, int lnum, int offs, int len; ubifs_err("corruption at LEB %d:%d", lnum, offs); - if (dbg_failure_mode) + if (dbg_is_tst_rcvry(c)) return; len = c->leb_size - offs; if (len > 8192) diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 529be0582029..b28121278d46 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -85,7 +85,7 @@ static int validate_inode(struct ubifs_info *c, const struct inode *inode) if (ui->data_len < 0 || ui->data_len > UBIFS_MAX_INO_DATA) return 4; - if (ui->xattr && (inode->i_mode & S_IFMT) != S_IFREG) + if (ui->xattr && !S_ISREG(inode->i_mode)) return 5; if (!ubifs_compr_present(ui->compr_type)) { @@ -94,7 +94,7 @@ static int validate_inode(struct ubifs_info *c, const struct inode *inode) ubifs_compr_name(ui->compr_type)); } - err = dbg_check_dir_size(c, inode); + err = dbg_check_dir(c, inode); return err; } @@ -914,7 +914,7 @@ static int check_volume_empty(struct ubifs_info *c) c->empty = 1; for (lnum = 0; lnum < c->leb_cnt; lnum++) { - err = ubi_is_mapped(c->ubi, lnum); + err = ubifs_is_mapped(c, lnum); if (unlikely(err < 0)) return err; if (err == 1) { diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c index 91b4213dde84..066738647685 100644 --- a/fs/ubifs/tnc.c +++ b/fs/ubifs/tnc.c @@ -223,7 +223,7 @@ static struct ubifs_znode *copy_znode(struct ubifs_info *c, __set_bit(DIRTY_ZNODE, &zn->flags); __clear_bit(COW_ZNODE, &zn->flags); - ubifs_assert(!test_bit(OBSOLETE_ZNODE, &znode->flags)); + ubifs_assert(!ubifs_zn_obsolete(znode)); __set_bit(OBSOLETE_ZNODE, &znode->flags); if (znode->level != 0) { @@ -271,7 +271,7 @@ static struct ubifs_znode *dirty_cow_znode(struct ubifs_info *c, struct ubifs_znode *zn; int err; - if (!test_bit(COW_ZNODE, &znode->flags)) { + if (!ubifs_zn_cow(znode)) { /* znode is not being committed */ if (!test_and_set_bit(DIRTY_ZNODE, &znode->flags)) { atomic_long_inc(&c->dirty_zn_cnt); @@ -462,7 +462,7 @@ static int try_read_node(const struct ubifs_info *c, void *buf, int type, dbg_io("LEB %d:%d, %s, length %d", lnum, offs, dbg_ntype(type), len); - err = ubi_read(c->ubi, lnum, buf, offs, len); + err = ubifs_leb_read(c, lnum, buf, offs, len, 1); if (err) { ubifs_err("cannot read node type %d from LEB %d:%d, error %d", type, lnum, offs, err); @@ -1666,7 +1666,7 @@ static int read_wbuf(struct ubifs_wbuf *wbuf, void *buf, int len, int lnum, if (!overlap) { /* We may safely unlock the write-buffer and read the data */ spin_unlock(&wbuf->lock); - return ubi_read(c->ubi, lnum, buf, offs, len); + return ubifs_leb_read(c, lnum, buf, offs, len, 0); } /* Don't read under wbuf */ @@ -1680,7 +1680,7 @@ static int read_wbuf(struct ubifs_wbuf *wbuf, void *buf, int len, int lnum, if (rlen > 0) /* Read everything that goes before write-buffer */ - return ubi_read(c->ubi, lnum, buf, offs, rlen); + return ubifs_leb_read(c, lnum, buf, offs, rlen, 0); return 0; } @@ -1767,7 +1767,7 @@ int ubifs_tnc_bulk_read(struct ubifs_info *c, struct bu_info *bu) if (wbuf) err = read_wbuf(wbuf, bu->buf, len, lnum, offs); else - err = ubi_read(c->ubi, lnum, bu->buf, offs, len); + err = ubifs_leb_read(c, lnum, bu->buf, offs, len, 0); /* Check for a race with GC */ if (maybe_leb_gced(c, lnum, bu->gc_seq)) @@ -2423,7 +2423,7 @@ static int tnc_delete(struct ubifs_info *c, struct ubifs_znode *znode, int n) */ do { - ubifs_assert(!test_bit(OBSOLETE_ZNODE, &znode->flags)); + ubifs_assert(!ubifs_zn_obsolete(znode)); ubifs_assert(ubifs_zn_dirty(znode)); zp = znode->parent; @@ -2479,9 +2479,8 @@ static int tnc_delete(struct ubifs_info *c, struct ubifs_znode *znode, int n) c->zroot.offs = zbr->offs; c->zroot.len = zbr->len; c->zroot.znode = znode; - ubifs_assert(!test_bit(OBSOLETE_ZNODE, - &zp->flags)); - ubifs_assert(test_bit(DIRTY_ZNODE, &zp->flags)); + ubifs_assert(!ubifs_zn_obsolete(zp)); + ubifs_assert(ubifs_zn_dirty(zp)); atomic_long_dec(&c->dirty_zn_cnt); if (zp->cnext) { @@ -2865,7 +2864,7 @@ static void tnc_destroy_cnext(struct ubifs_info *c) struct ubifs_znode *znode = cnext; cnext = cnext->cnext; - if (test_bit(OBSOLETE_ZNODE, &znode->flags)) + if (ubifs_zn_obsolete(znode)) kfree(znode); } while (cnext && cnext != c->cnext); } @@ -3301,7 +3300,7 @@ int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode, if (!S_ISREG(inode->i_mode)) return 0; - if (!(ubifs_chk_flags & UBIFS_CHK_GEN)) + if (!dbg_is_chk_gen(c)) return 0; block = (size + UBIFS_BLOCK_SIZE - 1) >> UBIFS_BLOCK_SHIFT; @@ -3337,9 +3336,10 @@ out_dump: ubifs_err("inode %lu has size %lld, but there are data at offset %lld " "(data key %s)", (unsigned long)inode->i_ino, size, ((loff_t)block) << UBIFS_BLOCK_SHIFT, DBGKEY(key)); + mutex_unlock(&c->tnc_mutex); dbg_dump_inode(c, inode); dbg_dump_stack(); - err = -EINVAL; + return -EINVAL; out_unlock: mutex_unlock(&c->tnc_mutex); diff --git a/fs/ubifs/tnc_commit.c b/fs/ubifs/tnc_commit.c index 41920f357bbf..4c15f07a8bb2 100644 --- a/fs/ubifs/tnc_commit.c +++ b/fs/ubifs/tnc_commit.c @@ -22,6 +22,7 @@ /* This file implements TNC functions for committing */ +#include <linux/random.h> #include "ubifs.h" /** @@ -87,8 +88,12 @@ static int make_idx_node(struct ubifs_info *c, struct ubifs_idx_node *idx, atomic_long_dec(&c->dirty_zn_cnt); ubifs_assert(ubifs_zn_dirty(znode)); - ubifs_assert(test_bit(COW_ZNODE, &znode->flags)); + ubifs_assert(ubifs_zn_cow(znode)); + /* + * Note, unlike 'write_index()' we do not add memory barriers here + * because this function is called with @c->tnc_mutex locked. + */ __clear_bit(DIRTY_ZNODE, &znode->flags); __clear_bit(COW_ZNODE, &znode->flags); @@ -377,7 +382,7 @@ static int layout_in_gaps(struct ubifs_info *c, int cnt) c->gap_lebs = NULL; return err; } - if (dbg_force_in_the_gaps_enabled()) { + if (!dbg_is_chk_index(c)) { /* * Do not print scary warnings if the debugging * option which forces in-the-gaps is enabled. @@ -491,25 +496,6 @@ static int layout_in_empty_space(struct ubifs_info *c) else next_len = ubifs_idx_node_sz(c, cnext->child_cnt); - if (c->min_io_size == 1) { - buf_offs += ALIGN(len, 8); - if (next_len) { - if (buf_offs + next_len <= c->leb_size) - continue; - err = ubifs_update_one_lp(c, lnum, 0, - c->leb_size - buf_offs, 0, 0); - if (err) - return err; - lnum = -1; - continue; - } - err = ubifs_update_one_lp(c, lnum, - c->leb_size - buf_offs, 0, 0, 0); - if (err) - return err; - break; - } - /* Update buffer positions */ wlen = used + len; used += ALIGN(len, 8); @@ -658,7 +644,7 @@ static int get_znodes_to_commit(struct ubifs_info *c) } cnt += 1; while (1) { - ubifs_assert(!test_bit(COW_ZNODE, &znode->flags)); + ubifs_assert(!ubifs_zn_cow(znode)); __set_bit(COW_ZNODE, &znode->flags); znode->alt = 0; cnext = find_next_dirty(znode); @@ -704,7 +690,7 @@ static int alloc_idx_lebs(struct ubifs_info *c, int cnt) c->ilebs[c->ileb_cnt++] = lnum; dbg_cmt("LEB %d", lnum); } - if (dbg_force_in_the_gaps()) + if (dbg_is_chk_index(c) && !(random32() & 7)) return -ENOSPC; return 0; } @@ -830,7 +816,7 @@ static int write_index(struct ubifs_info *c) struct ubifs_idx_node *idx; struct ubifs_znode *znode, *cnext; int i, lnum, offs, len, next_len, buf_len, buf_offs, used; - int avail, wlen, err, lnum_pos = 0; + int avail, wlen, err, lnum_pos = 0, blen, nxt_offs; cnext = c->enext; if (!cnext) @@ -907,7 +893,7 @@ static int write_index(struct ubifs_info *c) cnext = znode->cnext; ubifs_assert(ubifs_zn_dirty(znode)); - ubifs_assert(test_bit(COW_ZNODE, &znode->flags)); + ubifs_assert(ubifs_zn_cow(znode)); /* * It is important that other threads should see %DIRTY_ZNODE @@ -922,6 +908,28 @@ static int write_index(struct ubifs_info *c) clear_bit(COW_ZNODE, &znode->flags); smp_mb__after_clear_bit(); + /* + * We have marked the znode as clean but have not updated the + * @c->clean_zn_cnt counter. If this znode becomes dirty again + * before 'free_obsolete_znodes()' is called, then + * @c->clean_zn_cnt will be decremented before it gets + * incremented (resulting in 2 decrements for the same znode). + * This means that @c->clean_zn_cnt may become negative for a + * while. + * + * Q: why we cannot increment @c->clean_zn_cnt? + * A: because we do not have the @c->tnc_mutex locked, and the + * following code would be racy and buggy: + * + * if (!ubifs_zn_obsolete(znode)) { + * atomic_long_inc(&c->clean_zn_cnt); + * atomic_long_inc(&ubifs_clean_zn_cnt); + * } + * + * Thus, we just delay the @c->clean_zn_cnt update until we + * have the mutex locked. + */ + /* Do not access znode from this point on */ /* Update buffer positions */ @@ -938,65 +946,38 @@ static int write_index(struct ubifs_info *c) else next_len = ubifs_idx_node_sz(c, cnext->child_cnt); - if (c->min_io_size == 1) { - /* - * Write the prepared index node immediately if there is - * no minimum IO size - */ - err = ubifs_leb_write(c, lnum, c->cbuf, buf_offs, - wlen, UBI_SHORTTERM); - if (err) - return err; - buf_offs += ALIGN(wlen, 8); - if (next_len) { - used = 0; - avail = buf_len; - if (buf_offs + next_len > c->leb_size) { - err = ubifs_update_one_lp(c, lnum, - LPROPS_NC, 0, 0, LPROPS_TAKEN); - if (err) - return err; - lnum = -1; - } + nxt_offs = buf_offs + used + next_len; + if (next_len && nxt_offs <= c->leb_size) { + if (avail > 0) continue; - } + else + blen = buf_len; } else { - int blen, nxt_offs = buf_offs + used + next_len; - - if (next_len && nxt_offs <= c->leb_size) { - if (avail > 0) - continue; - else - blen = buf_len; - } else { - wlen = ALIGN(wlen, 8); - blen = ALIGN(wlen, c->min_io_size); - ubifs_pad(c, c->cbuf + wlen, blen - wlen); - } - /* - * The buffer is full or there are no more znodes - * to do - */ - err = ubifs_leb_write(c, lnum, c->cbuf, buf_offs, - blen, UBI_SHORTTERM); - if (err) - return err; - buf_offs += blen; - if (next_len) { - if (nxt_offs > c->leb_size) { - err = ubifs_update_one_lp(c, lnum, - LPROPS_NC, 0, 0, LPROPS_TAKEN); - if (err) - return err; - lnum = -1; - } - used -= blen; - if (used < 0) - used = 0; - avail = buf_len - used; - memmove(c->cbuf, c->cbuf + blen, used); - continue; + wlen = ALIGN(wlen, 8); + blen = ALIGN(wlen, c->min_io_size); + ubifs_pad(c, c->cbuf + wlen, blen - wlen); + } + + /* The buffer is full or there are no more znodes to do */ + err = ubifs_leb_write(c, lnum, c->cbuf, buf_offs, blen, + UBI_SHORTTERM); + if (err) + return err; + buf_offs += blen; + if (next_len) { + if (nxt_offs > c->leb_size) { + err = ubifs_update_one_lp(c, lnum, LPROPS_NC, 0, + 0, LPROPS_TAKEN); + if (err) + return err; + lnum = -1; } + used -= blen; + if (used < 0) + used = 0; + avail = buf_len - used; + memmove(c->cbuf, c->cbuf + blen, used); + continue; } break; } @@ -1029,7 +1010,7 @@ static void free_obsolete_znodes(struct ubifs_info *c) do { znode = cnext; cnext = znode->cnext; - if (test_bit(OBSOLETE_ZNODE, &znode->flags)) + if (ubifs_zn_obsolete(znode)) kfree(znode); else { znode->cnext = NULL; diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index f79983d6f860..702b79258e30 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -230,14 +230,14 @@ enum { * LPT cnode flag bits. * * DIRTY_CNODE: cnode is dirty - * COW_CNODE: cnode is being committed and must be copied before writing * OBSOLETE_CNODE: cnode is being committed and has been copied (or deleted), - * so it can (and must) be freed when the commit is finished + * so it can (and must) be freed when the commit is finished + * COW_CNODE: cnode is being committed and must be copied before writing */ enum { DIRTY_CNODE = 0, - COW_CNODE = 1, - OBSOLETE_CNODE = 2, + OBSOLETE_CNODE = 1, + COW_CNODE = 2, }; /* @@ -1468,6 +1468,15 @@ extern struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT]; /* io.c */ void ubifs_ro_mode(struct ubifs_info *c, int err); +int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs, + int len, int even_ebadmsg); +int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs, + int len, int dtype); +int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len, + int dtype); +int ubifs_leb_unmap(struct ubifs_info *c, int lnum); +int ubifs_leb_map(struct ubifs_info *c, int lnum, int dtype); +int ubifs_is_mapped(const struct ubifs_info *c, int lnum); int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len); int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs, int dtype); @@ -1747,8 +1756,8 @@ struct ubifs_scan_leb *ubifs_recover_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf, int jhead); struct ubifs_scan_leb *ubifs_recover_log_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf); -int ubifs_recover_inl_heads(const struct ubifs_info *c, void *sbuf); -int ubifs_clean_lebs(const struct ubifs_info *c, void *sbuf); +int ubifs_recover_inl_heads(struct ubifs_info *c, void *sbuf); +int ubifs_clean_lebs(struct ubifs_info *c, void *sbuf); int ubifs_rcvry_gc_commit(struct ubifs_info *c); int ubifs_recover_size_accum(struct ubifs_info *c, union ubifs_key *key, int deletion, loff_t new_size); diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c index 29309e25417f..b57aab9a1184 100644 --- a/fs/ufs/namei.c +++ b/fs/ufs/namei.c @@ -56,16 +56,12 @@ static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, stru lock_ufs(dir->i_sb); ino = ufs_inode_by_name(dir, &dentry->d_name); - if (ino) { + if (ino) inode = ufs_iget(dir->i_sb, ino); - if (IS_ERR(inode)) { - unlock_ufs(dir->i_sb); - return ERR_CAST(inode); - } - } unlock_ufs(dir->i_sb); - d_add(dentry, inode); - return NULL; + if (IS_ERR(inode)) + return ERR_CAST(inode); + return d_splice_alias(inode, dentry); } /* diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 284a7c89697e..75bb316529dd 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -88,8 +88,6 @@ xfs-y += xfs_alloc.o \ xfs_vnodeops.o \ xfs_rw.o -xfs-$(CONFIG_XFS_TRACE) += xfs_btree_trace.o - # Objects in linux/ xfs-y += $(addprefix $(XFS_LINUX)/, \ kmem.o \ diff --git a/fs/xfs/linux-2.6/xfs_acl.c b/fs/xfs/linux-2.6/xfs_acl.c index 39f4f809bb68..115ac6919533 100644 --- a/fs/xfs/linux-2.6/xfs_acl.c +++ b/fs/xfs/linux-2.6/xfs_acl.c @@ -264,7 +264,7 @@ xfs_set_mode(struct inode *inode, mode_t mode) iattr.ia_mode = mode; iattr.ia_ctime = current_fs_time(inode->i_sb); - error = -xfs_setattr(XFS_I(inode), &iattr, XFS_ATTR_NOACL); + error = -xfs_setattr_nonsize(XFS_I(inode), &iattr, XFS_ATTR_NOACL); } return error; diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 79ce38be15a1..26384fe3f26d 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -181,6 +181,7 @@ xfs_setfilesize( isize = xfs_ioend_new_eof(ioend); if (isize) { + trace_xfs_setfilesize(ip, ioend->io_offset, ioend->io_size); ip->i_d.di_size = isize; xfs_mark_inode_dirty(ip); } @@ -894,11 +895,6 @@ out_invalidate: * For unwritten space on the page we need to start the conversion to * regular allocated space. * For any other dirty buffer heads on the page we should flush them. - * - * If we detect that a transaction would be required to flush the page, we - * have to check the process flags first, if we are already in a transaction - * or disk I/O during allocations is off, we need to fail the writepage and - * redirty the page. */ STATIC int xfs_vm_writepage( @@ -906,7 +902,6 @@ xfs_vm_writepage( struct writeback_control *wbc) { struct inode *inode = page->mapping->host; - int delalloc, unwritten; struct buffer_head *bh, *head; struct xfs_bmbt_irec imap; xfs_ioend_t *ioend = NULL, *iohead = NULL; @@ -938,15 +933,10 @@ xfs_vm_writepage( goto redirty; /* - * We need a transaction if there are delalloc or unwritten buffers - * on the page. - * - * If we need a transaction and the process flags say we are already - * in a transaction, or no IO is allowed then mark the page dirty - * again and leave the page as is. + * Given that we do not allow direct reclaim to call us, we should + * never be called while in a filesystem transaction. */ - xfs_count_page_state(page, &delalloc, &unwritten); - if ((current->flags & PF_FSTRANS) && (delalloc || unwritten)) + if (WARN_ON(current->flags & PF_FSTRANS)) goto redirty; /* Is this page beyond the end of the file? */ @@ -970,7 +960,7 @@ xfs_vm_writepage( offset = page_offset(page); type = IO_OVERWRITE; - if (wbc->sync_mode == WB_SYNC_NONE && wbc->nonblocking) + if (wbc->sync_mode == WB_SYNC_NONE) nonblocking = 1; do { diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 5e68099db2a5..b2b411985591 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -499,16 +499,14 @@ found: spin_unlock(&pag->pag_buf_lock); xfs_perag_put(pag); - if (xfs_buf_cond_lock(bp)) { - /* failed, so wait for the lock if requested. */ - if (!(flags & XBF_TRYLOCK)) { - xfs_buf_lock(bp); - XFS_STATS_INC(xb_get_locked_waited); - } else { + if (!xfs_buf_trylock(bp)) { + if (flags & XBF_TRYLOCK) { xfs_buf_rele(bp); XFS_STATS_INC(xb_busy_locked); return NULL; } + xfs_buf_lock(bp); + XFS_STATS_INC(xb_get_locked_waited); } /* @@ -594,10 +592,8 @@ _xfs_buf_read( ASSERT(!(flags & (XBF_DELWRI|XBF_WRITE))); ASSERT(bp->b_bn != XFS_BUF_DADDR_NULL); - bp->b_flags &= ~(XBF_WRITE | XBF_ASYNC | XBF_DELWRI | \ - XBF_READ_AHEAD | _XBF_RUN_QUEUES); - bp->b_flags |= flags & (XBF_READ | XBF_ASYNC | \ - XBF_READ_AHEAD | _XBF_RUN_QUEUES); + bp->b_flags &= ~(XBF_WRITE | XBF_ASYNC | XBF_DELWRI | XBF_READ_AHEAD); + bp->b_flags |= flags & (XBF_READ | XBF_ASYNC | XBF_READ_AHEAD); status = xfs_buf_iorequest(bp); if (status || XFS_BUF_ISERROR(bp) || (flags & XBF_ASYNC)) @@ -681,7 +677,6 @@ xfs_buf_read_uncached( return NULL; /* set up the buffer for a read IO */ - xfs_buf_lock(bp); XFS_BUF_SET_ADDR(bp, daddr); XFS_BUF_READ(bp); XFS_BUF_BUSY(bp); @@ -816,8 +811,6 @@ xfs_buf_get_uncached( goto fail_free_mem; } - xfs_buf_unlock(bp); - trace_xfs_buf_get_uncached(bp, _RET_IP_); return bp; @@ -896,8 +889,8 @@ xfs_buf_rele( * to push on stale inode buffers. */ int -xfs_buf_cond_lock( - xfs_buf_t *bp) +xfs_buf_trylock( + struct xfs_buf *bp) { int locked; @@ -907,15 +900,8 @@ xfs_buf_cond_lock( else if (atomic_read(&bp->b_pin_count) && (bp->b_flags & XBF_STALE)) xfs_log_force(bp->b_target->bt_mount, 0); - trace_xfs_buf_cond_lock(bp, _RET_IP_); - return locked ? 0 : -EBUSY; -} - -int -xfs_buf_lock_value( - xfs_buf_t *bp) -{ - return bp->b_sema.count; + trace_xfs_buf_trylock(bp, _RET_IP_); + return locked; } /* @@ -929,7 +915,7 @@ xfs_buf_lock_value( */ void xfs_buf_lock( - xfs_buf_t *bp) + struct xfs_buf *bp) { trace_xfs_buf_lock(bp, _RET_IP_); @@ -950,7 +936,7 @@ xfs_buf_lock( */ void xfs_buf_unlock( - xfs_buf_t *bp) + struct xfs_buf *bp) { if ((bp->b_flags & (XBF_DELWRI|_XBF_DELWRI_Q)) == XBF_DELWRI) { atomic_inc(&bp->b_hold); @@ -1121,7 +1107,7 @@ xfs_bioerror_relse( XFS_BUF_UNDELAYWRITE(bp); XFS_BUF_DONE(bp); XFS_BUF_STALE(bp); - XFS_BUF_CLR_IODONE_FUNC(bp); + bp->b_iodone = NULL; if (!(fl & XBF_ASYNC)) { /* * Mark b_error and B_ERROR _both_. @@ -1223,23 +1209,21 @@ _xfs_buf_ioapply( total_nr_pages = bp->b_page_count; map_i = 0; - if (bp->b_flags & XBF_ORDERED) { - ASSERT(!(bp->b_flags & XBF_READ)); - rw = WRITE_FLUSH_FUA; - } else if (bp->b_flags & XBF_LOG_BUFFER) { - ASSERT(!(bp->b_flags & XBF_READ_AHEAD)); - bp->b_flags &= ~_XBF_RUN_QUEUES; - rw = (bp->b_flags & XBF_WRITE) ? WRITE_SYNC : READ_SYNC; - } else if (bp->b_flags & _XBF_RUN_QUEUES) { - ASSERT(!(bp->b_flags & XBF_READ_AHEAD)); - bp->b_flags &= ~_XBF_RUN_QUEUES; - rw = (bp->b_flags & XBF_WRITE) ? WRITE_META : READ_META; + if (bp->b_flags & XBF_WRITE) { + if (bp->b_flags & XBF_SYNCIO) + rw = WRITE_SYNC; + else + rw = WRITE; + if (bp->b_flags & XBF_FUA) + rw |= REQ_FUA; + if (bp->b_flags & XBF_FLUSH) + rw |= REQ_FLUSH; + } else if (bp->b_flags & XBF_READ_AHEAD) { + rw = READA; } else { - rw = (bp->b_flags & XBF_WRITE) ? WRITE : - (bp->b_flags & XBF_READ_AHEAD) ? READA : READ; + rw = READ; } - next_chunk: atomic_inc(&bp->b_io_remaining); nr_pages = BIO_MAX_SECTORS >> (PAGE_SHIFT - BBSHIFT); @@ -1694,15 +1678,14 @@ xfs_buf_delwri_split( list_for_each_entry_safe(bp, n, dwq, b_list) { ASSERT(bp->b_flags & XBF_DELWRI); - if (!XFS_BUF_ISPINNED(bp) && !xfs_buf_cond_lock(bp)) { + if (!XFS_BUF_ISPINNED(bp) && xfs_buf_trylock(bp)) { if (!force && time_before(jiffies, bp->b_queuetime + age)) { xfs_buf_unlock(bp); break; } - bp->b_flags &= ~(XBF_DELWRI|_XBF_DELWRI_Q| - _XBF_RUN_QUEUES); + bp->b_flags &= ~(XBF_DELWRI | _XBF_DELWRI_Q); bp->b_flags |= XBF_WRITE; list_move_tail(&bp->b_list, list); trace_xfs_buf_delwri_split(bp, _RET_IP_); @@ -1738,14 +1721,6 @@ xfs_buf_cmp( return 0; } -void -xfs_buf_delwri_sort( - xfs_buftarg_t *target, - struct list_head *list) -{ - list_sort(NULL, list, xfs_buf_cmp); -} - STATIC int xfsbufd( void *data) diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h index 50a7d5fb3b73..6a83b46b4bcf 100644 --- a/fs/xfs/linux-2.6/xfs_buf.h +++ b/fs/xfs/linux-2.6/xfs_buf.h @@ -46,43 +46,46 @@ typedef enum { #define XBF_READ (1 << 0) /* buffer intended for reading from device */ #define XBF_WRITE (1 << 1) /* buffer intended for writing to device */ -#define XBF_MAPPED (1 << 2) /* buffer mapped (b_addr valid) */ +#define XBF_READ_AHEAD (1 << 2) /* asynchronous read-ahead */ +#define XBF_MAPPED (1 << 3) /* buffer mapped (b_addr valid) */ #define XBF_ASYNC (1 << 4) /* initiator will not wait for completion */ #define XBF_DONE (1 << 5) /* all pages in the buffer uptodate */ #define XBF_DELWRI (1 << 6) /* buffer has dirty pages */ #define XBF_STALE (1 << 7) /* buffer has been staled, do not find it */ -#define XBF_ORDERED (1 << 11)/* use ordered writes */ -#define XBF_READ_AHEAD (1 << 12)/* asynchronous read-ahead */ -#define XBF_LOG_BUFFER (1 << 13)/* this is a buffer used for the log */ + +/* I/O hints for the BIO layer */ +#define XBF_SYNCIO (1 << 10)/* treat this buffer as synchronous I/O */ +#define XBF_FUA (1 << 11)/* force cache write through mode */ +#define XBF_FLUSH (1 << 12)/* flush the disk cache before a write */ /* flags used only as arguments to access routines */ -#define XBF_LOCK (1 << 14)/* lock requested */ -#define XBF_TRYLOCK (1 << 15)/* lock requested, but do not wait */ -#define XBF_DONT_BLOCK (1 << 16)/* do not block in current thread */ +#define XBF_LOCK (1 << 15)/* lock requested */ +#define XBF_TRYLOCK (1 << 16)/* lock requested, but do not wait */ +#define XBF_DONT_BLOCK (1 << 17)/* do not block in current thread */ /* flags used only internally */ -#define _XBF_PAGES (1 << 18)/* backed by refcounted pages */ -#define _XBF_RUN_QUEUES (1 << 19)/* run block device task queue */ -#define _XBF_KMEM (1 << 20)/* backed by heap memory */ -#define _XBF_DELWRI_Q (1 << 21)/* buffer on delwri queue */ +#define _XBF_PAGES (1 << 20)/* backed by refcounted pages */ +#define _XBF_KMEM (1 << 21)/* backed by heap memory */ +#define _XBF_DELWRI_Q (1 << 22)/* buffer on delwri queue */ typedef unsigned int xfs_buf_flags_t; #define XFS_BUF_FLAGS \ { XBF_READ, "READ" }, \ { XBF_WRITE, "WRITE" }, \ + { XBF_READ_AHEAD, "READ_AHEAD" }, \ { XBF_MAPPED, "MAPPED" }, \ { XBF_ASYNC, "ASYNC" }, \ { XBF_DONE, "DONE" }, \ { XBF_DELWRI, "DELWRI" }, \ { XBF_STALE, "STALE" }, \ - { XBF_ORDERED, "ORDERED" }, \ - { XBF_READ_AHEAD, "READ_AHEAD" }, \ + { XBF_SYNCIO, "SYNCIO" }, \ + { XBF_FUA, "FUA" }, \ + { XBF_FLUSH, "FLUSH" }, \ { XBF_LOCK, "LOCK" }, /* should never be set */\ { XBF_TRYLOCK, "TRYLOCK" }, /* ditto */\ { XBF_DONT_BLOCK, "DONT_BLOCK" }, /* ditto */\ { _XBF_PAGES, "PAGES" }, \ - { _XBF_RUN_QUEUES, "RUN_QUEUES" }, \ { _XBF_KMEM, "KMEM" }, \ { _XBF_DELWRI_Q, "DELWRI_Q" } @@ -91,11 +94,6 @@ typedef enum { XBT_FORCE_FLUSH = 1, } xfs_buftarg_flags_t; -typedef struct xfs_bufhash { - struct list_head bh_list; - spinlock_t bh_lock; -} xfs_bufhash_t; - typedef struct xfs_buftarg { dev_t bt_dev; struct block_device *bt_bdev; @@ -151,7 +149,7 @@ typedef struct xfs_buf { xfs_buf_iodone_t b_iodone; /* I/O completion function */ struct completion b_iowait; /* queue for I/O waiters */ void *b_fspriv; - void *b_fspriv2; + struct xfs_trans *b_transp; struct page **b_pages; /* array of page pointers */ struct page *b_page_array[XB_PAGES]; /* inline pages */ unsigned long b_queuetime; /* time buffer was queued */ @@ -192,10 +190,11 @@ extern void xfs_buf_free(xfs_buf_t *); extern void xfs_buf_rele(xfs_buf_t *); /* Locking and Unlocking Buffers */ -extern int xfs_buf_cond_lock(xfs_buf_t *); -extern int xfs_buf_lock_value(xfs_buf_t *); +extern int xfs_buf_trylock(xfs_buf_t *); extern void xfs_buf_lock(xfs_buf_t *); extern void xfs_buf_unlock(xfs_buf_t *); +#define xfs_buf_islocked(bp) \ + ((bp)->b_sema.count <= 0) /* Buffer Read and Write Routines */ extern int xfs_bwrite(struct xfs_mount *mp, struct xfs_buf *bp); @@ -234,8 +233,9 @@ extern void xfs_buf_terminate(void); #define XFS_BUF_BFLAGS(bp) ((bp)->b_flags) -#define XFS_BUF_ZEROFLAGS(bp) ((bp)->b_flags &= \ - ~(XBF_READ|XBF_WRITE|XBF_ASYNC|XBF_DELWRI|XBF_ORDERED)) +#define XFS_BUF_ZEROFLAGS(bp) \ + ((bp)->b_flags &= ~(XBF_READ|XBF_WRITE|XBF_ASYNC|XBF_DELWRI| \ + XBF_SYNCIO|XBF_FUA|XBF_FLUSH)) void xfs_buf_stale(struct xfs_buf *bp); #define XFS_BUF_STALE(bp) xfs_buf_stale(bp); @@ -267,10 +267,6 @@ void xfs_buf_stale(struct xfs_buf *bp); #define XFS_BUF_UNASYNC(bp) ((bp)->b_flags &= ~XBF_ASYNC) #define XFS_BUF_ISASYNC(bp) ((bp)->b_flags & XBF_ASYNC) -#define XFS_BUF_ORDERED(bp) ((bp)->b_flags |= XBF_ORDERED) -#define XFS_BUF_UNORDERED(bp) ((bp)->b_flags &= ~XBF_ORDERED) -#define XFS_BUF_ISORDERED(bp) ((bp)->b_flags & XBF_ORDERED) - #define XFS_BUF_HOLD(bp) xfs_buf_hold(bp) #define XFS_BUF_READ(bp) ((bp)->b_flags |= XBF_READ) #define XFS_BUF_UNREAD(bp) ((bp)->b_flags &= ~XBF_READ) @@ -280,14 +276,6 @@ void xfs_buf_stale(struct xfs_buf *bp); #define XFS_BUF_UNWRITE(bp) ((bp)->b_flags &= ~XBF_WRITE) #define XFS_BUF_ISWRITE(bp) ((bp)->b_flags & XBF_WRITE) -#define XFS_BUF_IODONE_FUNC(bp) ((bp)->b_iodone) -#define XFS_BUF_SET_IODONE_FUNC(bp, func) ((bp)->b_iodone = (func)) -#define XFS_BUF_CLR_IODONE_FUNC(bp) ((bp)->b_iodone = NULL) - -#define XFS_BUF_FSPRIVATE(bp, type) ((type)(bp)->b_fspriv) -#define XFS_BUF_SET_FSPRIVATE(bp, val) ((bp)->b_fspriv = (void*)(val)) -#define XFS_BUF_FSPRIVATE2(bp, type) ((type)(bp)->b_fspriv2) -#define XFS_BUF_SET_FSPRIVATE2(bp, val) ((bp)->b_fspriv2 = (void*)(val)) #define XFS_BUF_SET_START(bp) do { } while (0) #define XFS_BUF_PTR(bp) (xfs_caddr_t)((bp)->b_addr) @@ -313,10 +301,6 @@ xfs_buf_set_ref( #define XFS_BUF_ISPINNED(bp) atomic_read(&((bp)->b_pin_count)) -#define XFS_BUF_VALUSEMA(bp) xfs_buf_lock_value(bp) -#define XFS_BUF_CPSEMA(bp) (xfs_buf_cond_lock(bp) == 0) -#define XFS_BUF_VSEMA(bp) xfs_buf_unlock(bp) -#define XFS_BUF_PSEMA(bp,x) xfs_buf_lock(bp) #define XFS_BUF_FINISH_IOWAIT(bp) complete(&bp->b_iowait); #define XFS_BUF_SET_TARGET(bp, target) ((bp)->b_target = (target)) diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c index f4f878fc0083..75e5d322e48f 100644 --- a/fs/xfs/linux-2.6/xfs_export.c +++ b/fs/xfs/linux-2.6/xfs_export.c @@ -151,14 +151,14 @@ xfs_nfs_get_inode( * We don't use ESTALE directly down the chain to not * confuse applications using bulkstat that expect EINVAL. */ - if (error == EINVAL) + if (error == EINVAL || error == ENOENT) error = ESTALE; return ERR_PTR(-error); } if (ip->i_d.di_gen != generation) { IRELE(ip); - return ERR_PTR(-ENOENT); + return ERR_PTR(-ESTALE); } return VFS_I(ip); diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index 7f782af286bf..8073f61efb8e 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -944,7 +944,7 @@ xfs_file_fallocate( iattr.ia_valid = ATTR_SIZE; iattr.ia_size = new_size; - error = -xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK); + error = -xfs_setattr_size(ip, &iattr, XFS_ATTR_NOLOCK); } out_unlock: diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index d44d92cd12b1..501e4f630548 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -39,6 +39,7 @@ #include "xfs_buf_item.h" #include "xfs_utils.h" #include "xfs_vnodeops.h" +#include "xfs_inode_item.h" #include "xfs_trace.h" #include <linux/capability.h> @@ -497,12 +498,442 @@ xfs_vn_getattr( return 0; } +int +xfs_setattr_nonsize( + struct xfs_inode *ip, + struct iattr *iattr, + int flags) +{ + xfs_mount_t *mp = ip->i_mount; + struct inode *inode = VFS_I(ip); + int mask = iattr->ia_valid; + xfs_trans_t *tp; + int error; + uid_t uid = 0, iuid = 0; + gid_t gid = 0, igid = 0; + struct xfs_dquot *udqp = NULL, *gdqp = NULL; + struct xfs_dquot *olddquot1 = NULL, *olddquot2 = NULL; + + trace_xfs_setattr(ip); + + if (mp->m_flags & XFS_MOUNT_RDONLY) + return XFS_ERROR(EROFS); + + if (XFS_FORCED_SHUTDOWN(mp)) + return XFS_ERROR(EIO); + + error = -inode_change_ok(inode, iattr); + if (error) + return XFS_ERROR(error); + + ASSERT((mask & ATTR_SIZE) == 0); + + /* + * If disk quotas is on, we make sure that the dquots do exist on disk, + * before we start any other transactions. Trying to do this later + * is messy. We don't care to take a readlock to look at the ids + * in inode here, because we can't hold it across the trans_reserve. + * If the IDs do change before we take the ilock, we're covered + * because the i_*dquot fields will get updated anyway. + */ + if (XFS_IS_QUOTA_ON(mp) && (mask & (ATTR_UID|ATTR_GID))) { + uint qflags = 0; + + if ((mask & ATTR_UID) && XFS_IS_UQUOTA_ON(mp)) { + uid = iattr->ia_uid; + qflags |= XFS_QMOPT_UQUOTA; + } else { + uid = ip->i_d.di_uid; + } + if ((mask & ATTR_GID) && XFS_IS_GQUOTA_ON(mp)) { + gid = iattr->ia_gid; + qflags |= XFS_QMOPT_GQUOTA; + } else { + gid = ip->i_d.di_gid; + } + + /* + * We take a reference when we initialize udqp and gdqp, + * so it is important that we never blindly double trip on + * the same variable. See xfs_create() for an example. + */ + ASSERT(udqp == NULL); + ASSERT(gdqp == NULL); + error = xfs_qm_vop_dqalloc(ip, uid, gid, xfs_get_projid(ip), + qflags, &udqp, &gdqp); + if (error) + return error; + } + + tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE); + error = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0); + if (error) + goto out_dqrele; + + xfs_ilock(ip, XFS_ILOCK_EXCL); + + /* + * Change file ownership. Must be the owner or privileged. + */ + if (mask & (ATTR_UID|ATTR_GID)) { + /* + * These IDs could have changed since we last looked at them. + * But, we're assured that if the ownership did change + * while we didn't have the inode locked, inode's dquot(s) + * would have changed also. + */ + iuid = ip->i_d.di_uid; + igid = ip->i_d.di_gid; + gid = (mask & ATTR_GID) ? iattr->ia_gid : igid; + uid = (mask & ATTR_UID) ? iattr->ia_uid : iuid; + + /* + * Do a quota reservation only if uid/gid is actually + * going to change. + */ + if (XFS_IS_QUOTA_RUNNING(mp) && + ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) || + (XFS_IS_GQUOTA_ON(mp) && igid != gid))) { + ASSERT(tp); + error = xfs_qm_vop_chown_reserve(tp, ip, udqp, gdqp, + capable(CAP_FOWNER) ? + XFS_QMOPT_FORCE_RES : 0); + if (error) /* out of quota */ + goto out_trans_cancel; + } + } + + xfs_trans_ijoin(tp, ip); + + /* + * Change file ownership. Must be the owner or privileged. + */ + if (mask & (ATTR_UID|ATTR_GID)) { + /* + * CAP_FSETID overrides the following restrictions: + * + * The set-user-ID and set-group-ID bits of a file will be + * cleared upon successful return from chown() + */ + if ((ip->i_d.di_mode & (S_ISUID|S_ISGID)) && + !capable(CAP_FSETID)) + ip->i_d.di_mode &= ~(S_ISUID|S_ISGID); + + /* + * Change the ownerships and register quota modifications + * in the transaction. + */ + if (iuid != uid) { + if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_UQUOTA_ON(mp)) { + ASSERT(mask & ATTR_UID); + ASSERT(udqp); + olddquot1 = xfs_qm_vop_chown(tp, ip, + &ip->i_udquot, udqp); + } + ip->i_d.di_uid = uid; + inode->i_uid = uid; + } + if (igid != gid) { + if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_GQUOTA_ON(mp)) { + ASSERT(!XFS_IS_PQUOTA_ON(mp)); + ASSERT(mask & ATTR_GID); + ASSERT(gdqp); + olddquot2 = xfs_qm_vop_chown(tp, ip, + &ip->i_gdquot, gdqp); + } + ip->i_d.di_gid = gid; + inode->i_gid = gid; + } + } + + /* + * Change file access modes. + */ + if (mask & ATTR_MODE) { + umode_t mode = iattr->ia_mode; + + if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID)) + mode &= ~S_ISGID; + + ip->i_d.di_mode &= S_IFMT; + ip->i_d.di_mode |= mode & ~S_IFMT; + + inode->i_mode &= S_IFMT; + inode->i_mode |= mode & ~S_IFMT; + } + + /* + * Change file access or modified times. + */ + if (mask & ATTR_ATIME) { + inode->i_atime = iattr->ia_atime; + ip->i_d.di_atime.t_sec = iattr->ia_atime.tv_sec; + ip->i_d.di_atime.t_nsec = iattr->ia_atime.tv_nsec; + ip->i_update_core = 1; + } + if (mask & ATTR_CTIME) { + inode->i_ctime = iattr->ia_ctime; + ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec; + ip->i_d.di_ctime.t_nsec = iattr->ia_ctime.tv_nsec; + ip->i_update_core = 1; + } + if (mask & ATTR_MTIME) { + inode->i_mtime = iattr->ia_mtime; + ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec; + ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec; + ip->i_update_core = 1; + } + + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + + XFS_STATS_INC(xs_ig_attrchg); + + if (mp->m_flags & XFS_MOUNT_WSYNC) + xfs_trans_set_sync(tp); + error = xfs_trans_commit(tp, 0); + + xfs_iunlock(ip, XFS_ILOCK_EXCL); + + /* + * Release any dquot(s) the inode had kept before chown. + */ + xfs_qm_dqrele(olddquot1); + xfs_qm_dqrele(olddquot2); + xfs_qm_dqrele(udqp); + xfs_qm_dqrele(gdqp); + + if (error) + return XFS_ERROR(error); + + /* + * XXX(hch): Updating the ACL entries is not atomic vs the i_mode + * update. We could avoid this with linked transactions + * and passing down the transaction pointer all the way + * to attr_set. No previous user of the generic + * Posix ACL code seems to care about this issue either. + */ + if ((mask & ATTR_MODE) && !(flags & XFS_ATTR_NOACL)) { + error = -xfs_acl_chmod(inode); + if (error) + return XFS_ERROR(error); + } + + return 0; + +out_trans_cancel: + xfs_trans_cancel(tp, 0); + xfs_iunlock(ip, XFS_ILOCK_EXCL); +out_dqrele: + xfs_qm_dqrele(udqp); + xfs_qm_dqrele(gdqp); + return error; +} + +/* + * Truncate file. Must have write permission and not be a directory. + */ +int +xfs_setattr_size( + struct xfs_inode *ip, + struct iattr *iattr, + int flags) +{ + struct xfs_mount *mp = ip->i_mount; + struct inode *inode = VFS_I(ip); + int mask = iattr->ia_valid; + struct xfs_trans *tp; + int error; + uint lock_flags; + uint commit_flags = 0; + + trace_xfs_setattr(ip); + + if (mp->m_flags & XFS_MOUNT_RDONLY) + return XFS_ERROR(EROFS); + + if (XFS_FORCED_SHUTDOWN(mp)) + return XFS_ERROR(EIO); + + error = -inode_change_ok(inode, iattr); + if (error) + return XFS_ERROR(error); + + ASSERT(S_ISREG(ip->i_d.di_mode)); + ASSERT((mask & (ATTR_MODE|ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET| + ATTR_MTIME_SET|ATTR_KILL_SUID|ATTR_KILL_SGID| + ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0); + + lock_flags = XFS_ILOCK_EXCL; + if (!(flags & XFS_ATTR_NOLOCK)) + lock_flags |= XFS_IOLOCK_EXCL; + xfs_ilock(ip, lock_flags); + + /* + * Short circuit the truncate case for zero length files. + */ + if (iattr->ia_size == 0 && + ip->i_size == 0 && ip->i_d.di_nextents == 0) { + if (!(mask & (ATTR_CTIME|ATTR_MTIME))) + goto out_unlock; + + /* + * Use the regular setattr path to update the timestamps. + */ + xfs_iunlock(ip, lock_flags); + iattr->ia_valid &= ~ATTR_SIZE; + return xfs_setattr_nonsize(ip, iattr, 0); + } + + /* + * Make sure that the dquots are attached to the inode. + */ + error = xfs_qm_dqattach_locked(ip, 0); + if (error) + goto out_unlock; + + /* + * Now we can make the changes. Before we join the inode to the + * transaction, take care of the part of the truncation that must be + * done without the inode lock. This needs to be done before joining + * the inode to the transaction, because the inode cannot be unlocked + * once it is a part of the transaction. + */ + if (iattr->ia_size > ip->i_size) { + /* + * Do the first part of growing a file: zero any data in the + * last block that is beyond the old EOF. We need to do this + * before the inode is joined to the transaction to modify + * i_size. + */ + error = xfs_zero_eof(ip, iattr->ia_size, ip->i_size); + if (error) + goto out_unlock; + } + xfs_iunlock(ip, XFS_ILOCK_EXCL); + lock_flags &= ~XFS_ILOCK_EXCL; + + /* + * We are going to log the inode size change in this transaction so + * any previous writes that are beyond the on disk EOF and the new + * EOF that have not been written out need to be written here. If we + * do not write the data out, we expose ourselves to the null files + * problem. + * + * Only flush from the on disk size to the smaller of the in memory + * file size or the new size as that's the range we really care about + * here and prevents waiting for other data not within the range we + * care about here. + */ + if (ip->i_size != ip->i_d.di_size && iattr->ia_size > ip->i_d.di_size) { + error = xfs_flush_pages(ip, ip->i_d.di_size, iattr->ia_size, + XBF_ASYNC, FI_NONE); + if (error) + goto out_unlock; + } + + /* + * Wait for all I/O to complete. + */ + xfs_ioend_wait(ip); + + error = -block_truncate_page(inode->i_mapping, iattr->ia_size, + xfs_get_blocks); + if (error) + goto out_unlock; + + tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_SIZE); + error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, + XFS_TRANS_PERM_LOG_RES, + XFS_ITRUNCATE_LOG_COUNT); + if (error) + goto out_trans_cancel; + + truncate_setsize(inode, iattr->ia_size); + + commit_flags = XFS_TRANS_RELEASE_LOG_RES; + lock_flags |= XFS_ILOCK_EXCL; + + xfs_ilock(ip, XFS_ILOCK_EXCL); + + xfs_trans_ijoin(tp, ip); + + /* + * Only change the c/mtime if we are changing the size or we are + * explicitly asked to change it. This handles the semantic difference + * between truncate() and ftruncate() as implemented in the VFS. + * + * The regular truncate() case without ATTR_CTIME and ATTR_MTIME is a + * special case where we need to update the times despite not having + * these flags set. For all other operations the VFS set these flags + * explicitly if it wants a timestamp update. + */ + if (iattr->ia_size != ip->i_size && + (!(mask & (ATTR_CTIME | ATTR_MTIME)))) { + iattr->ia_ctime = iattr->ia_mtime = + current_fs_time(inode->i_sb); + mask |= ATTR_CTIME | ATTR_MTIME; + } + + if (iattr->ia_size > ip->i_size) { + ip->i_d.di_size = iattr->ia_size; + ip->i_size = iattr->ia_size; + } else if (iattr->ia_size <= ip->i_size || + (iattr->ia_size == 0 && ip->i_d.di_nextents)) { + error = xfs_itruncate_data(&tp, ip, iattr->ia_size); + if (error) + goto out_trans_abort; + + /* + * Truncated "down", so we're removing references to old data + * here - if we delay flushing for a long time, we expose + * ourselves unduly to the notorious NULL files problem. So, + * we mark this inode and flush it when the file is closed, + * and do not wait the usual (long) time for writeout. + */ + xfs_iflags_set(ip, XFS_ITRUNCATED); + } + + if (mask & ATTR_CTIME) { + inode->i_ctime = iattr->ia_ctime; + ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec; + ip->i_d.di_ctime.t_nsec = iattr->ia_ctime.tv_nsec; + ip->i_update_core = 1; + } + if (mask & ATTR_MTIME) { + inode->i_mtime = iattr->ia_mtime; + ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec; + ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec; + ip->i_update_core = 1; + } + + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + + XFS_STATS_INC(xs_ig_attrchg); + + if (mp->m_flags & XFS_MOUNT_WSYNC) + xfs_trans_set_sync(tp); + + error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); +out_unlock: + if (lock_flags) + xfs_iunlock(ip, lock_flags); + return error; + +out_trans_abort: + commit_flags |= XFS_TRANS_ABORT; +out_trans_cancel: + xfs_trans_cancel(tp, commit_flags); + goto out_unlock; +} + STATIC int xfs_vn_setattr( struct dentry *dentry, struct iattr *iattr) { - return -xfs_setattr(XFS_I(dentry->d_inode), iattr, 0); + if (iattr->ia_valid & ATTR_SIZE) + return -xfs_setattr_size(XFS_I(dentry->d_inode), iattr, 0); + return -xfs_setattr_nonsize(XFS_I(dentry->d_inode), iattr, 0); } #define XFS_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC|FIEMAP_FLAG_XATTR) diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h index 8633521b3b2e..d42f814e4d35 100644 --- a/fs/xfs/linux-2.6/xfs_linux.h +++ b/fs/xfs/linux-2.6/xfs_linux.h @@ -33,7 +33,6 @@ #endif #include <xfs_types.h> -#include <xfs_arch.h> #include <kmem.h> #include <mrlock.h> @@ -88,6 +87,12 @@ #include <xfs_buf.h> #include <xfs_message.h> +#ifdef __BIG_ENDIAN +#define XFS_NATIVE_HOST 1 +#else +#undef XFS_NATIVE_HOST +#endif + /* * Feature macros (disable/enable) */ diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index a1a881e68a9a..25fd2cd6c8b0 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -33,7 +33,6 @@ #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_btree.h" -#include "xfs_btree_trace.h" #include "xfs_ialloc.h" #include "xfs_bmap.h" #include "xfs_rtalloc.h" @@ -1412,37 +1411,35 @@ xfs_fs_fill_super( sb->s_time_gran = 1; set_posix_acl_flag(sb); - error = xfs_syncd_init(mp); - if (error) - goto out_filestream_unmount; - xfs_inode_shrinker_register(mp); error = xfs_mountfs(mp); if (error) - goto out_syncd_stop; + goto out_filestream_unmount; + + error = xfs_syncd_init(mp); + if (error) + goto out_unmount; root = igrab(VFS_I(mp->m_rootip)); if (!root) { error = ENOENT; - goto fail_unmount; + goto out_syncd_stop; } if (is_bad_inode(root)) { error = EINVAL; - goto fail_vnrele; + goto out_syncd_stop; } sb->s_root = d_alloc_root(root); if (!sb->s_root) { error = ENOMEM; - goto fail_vnrele; + goto out_iput; } return 0; - out_syncd_stop: - xfs_inode_shrinker_unregister(mp); - xfs_syncd_stop(mp); out_filestream_unmount: + xfs_inode_shrinker_unregister(mp); xfs_filestream_unmount(mp); out_free_sb: xfs_freesb(mp); @@ -1456,17 +1453,12 @@ xfs_fs_fill_super( out: return -error; - fail_vnrele: - if (sb->s_root) { - dput(sb->s_root); - sb->s_root = NULL; - } else { - iput(root); - } - - fail_unmount: - xfs_inode_shrinker_unregister(mp); + out_iput: + iput(root); + out_syncd_stop: xfs_syncd_stop(mp); + out_unmount: + xfs_inode_shrinker_unregister(mp); /* * Blow away any referenced inode in the filestreams cache. diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c index 8ecad5ff9f9b..5cc158e52d4c 100644 --- a/fs/xfs/linux-2.6/xfs_sync.c +++ b/fs/xfs/linux-2.6/xfs_sync.c @@ -359,14 +359,12 @@ xfs_quiesce_data( { int error, error2 = 0; - /* push non-blocking */ - xfs_sync_data(mp, 0); xfs_qm_sync(mp, SYNC_TRYLOCK); - - /* push and block till complete */ - xfs_sync_data(mp, SYNC_WAIT); xfs_qm_sync(mp, SYNC_WAIT); + /* force out the newly dirtied log buffers */ + xfs_log_force(mp, XFS_LOG_SYNC); + /* write superblock and hoover up shutdown errors */ error = xfs_sync_fsdata(mp); @@ -436,7 +434,7 @@ xfs_quiesce_attr( WARN_ON(atomic_read(&mp->m_active_trans) != 0); /* Push the superblock and write an unmount record */ - error = xfs_log_sbcount(mp, 1); + error = xfs_log_sbcount(mp); if (error) xfs_warn(mp, "xfs_attr_quiesce: failed to log sb changes. " "Frozen image may not be consistent."); diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/linux-2.6/xfs_sync.h index e3a6ad27415f..e914fd621746 100644 --- a/fs/xfs/linux-2.6/xfs_sync.h +++ b/fs/xfs/linux-2.6/xfs_sync.h @@ -21,14 +21,6 @@ struct xfs_mount; struct xfs_perag; -typedef struct xfs_sync_work { - struct list_head w_list; - struct xfs_mount *w_mount; - void *w_data; /* syncer routine argument */ - void (*w_syncer)(struct xfs_mount *, void *); - struct completion *w_completion; -} xfs_sync_work_t; - #define SYNC_WAIT 0x0001 /* wait for i/o to complete */ #define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */ diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h index d48b7a579ae1..fda0708ef2ea 100644 --- a/fs/xfs/linux-2.6/xfs_trace.h +++ b/fs/xfs/linux-2.6/xfs_trace.h @@ -293,7 +293,7 @@ DECLARE_EVENT_CLASS(xfs_buf_class, __entry->buffer_length = bp->b_buffer_length; __entry->hold = atomic_read(&bp->b_hold); __entry->pincount = atomic_read(&bp->b_pin_count); - __entry->lockval = xfs_buf_lock_value(bp); + __entry->lockval = bp->b_sema.count; __entry->flags = bp->b_flags; __entry->caller_ip = caller_ip; ), @@ -323,7 +323,7 @@ DEFINE_BUF_EVENT(xfs_buf_bawrite); DEFINE_BUF_EVENT(xfs_buf_bdwrite); DEFINE_BUF_EVENT(xfs_buf_lock); DEFINE_BUF_EVENT(xfs_buf_lock_done); -DEFINE_BUF_EVENT(xfs_buf_cond_lock); +DEFINE_BUF_EVENT(xfs_buf_trylock); DEFINE_BUF_EVENT(xfs_buf_unlock); DEFINE_BUF_EVENT(xfs_buf_iowait); DEFINE_BUF_EVENT(xfs_buf_iowait_done); @@ -366,7 +366,7 @@ DECLARE_EVENT_CLASS(xfs_buf_flags_class, __entry->flags = flags; __entry->hold = atomic_read(&bp->b_hold); __entry->pincount = atomic_read(&bp->b_pin_count); - __entry->lockval = xfs_buf_lock_value(bp); + __entry->lockval = bp->b_sema.count; __entry->caller_ip = caller_ip; ), TP_printk("dev %d:%d bno 0x%llx len 0x%zx hold %d pincount %d " @@ -409,7 +409,7 @@ TRACE_EVENT(xfs_buf_ioerror, __entry->buffer_length = bp->b_buffer_length; __entry->hold = atomic_read(&bp->b_hold); __entry->pincount = atomic_read(&bp->b_pin_count); - __entry->lockval = xfs_buf_lock_value(bp); + __entry->lockval = bp->b_sema.count; __entry->error = error; __entry->flags = bp->b_flags; __entry->caller_ip = caller_ip; @@ -454,7 +454,7 @@ DECLARE_EVENT_CLASS(xfs_buf_item_class, __entry->buf_flags = bip->bli_buf->b_flags; __entry->buf_hold = atomic_read(&bip->bli_buf->b_hold); __entry->buf_pincount = atomic_read(&bip->bli_buf->b_pin_count); - __entry->buf_lockval = xfs_buf_lock_value(bip->bli_buf); + __entry->buf_lockval = bip->bli_buf->b_sema.count; __entry->li_desc = bip->bli_item.li_desc; __entry->li_flags = bip->bli_item.li_flags; ), @@ -998,7 +998,8 @@ DECLARE_EVENT_CLASS(xfs_simple_io_class, TP_STRUCT__entry( __field(dev_t, dev) __field(xfs_ino_t, ino) - __field(loff_t, size) + __field(loff_t, isize) + __field(loff_t, disize) __field(loff_t, new_size) __field(loff_t, offset) __field(size_t, count) @@ -1006,16 +1007,18 @@ DECLARE_EVENT_CLASS(xfs_simple_io_class, TP_fast_assign( __entry->dev = VFS_I(ip)->i_sb->s_dev; __entry->ino = ip->i_ino; - __entry->size = ip->i_d.di_size; + __entry->isize = ip->i_size; + __entry->disize = ip->i_d.di_size; __entry->new_size = ip->i_new_size; __entry->offset = offset; __entry->count = count; ), - TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " + TP_printk("dev %d:%d ino 0x%llx isize 0x%llx disize 0x%llx new_size 0x%llx " "offset 0x%llx count %zd", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino, - __entry->size, + __entry->isize, + __entry->disize, __entry->new_size, __entry->offset, __entry->count) @@ -1028,40 +1031,7 @@ DEFINE_EVENT(xfs_simple_io_class, name, \ DEFINE_SIMPLE_IO_EVENT(xfs_delalloc_enospc); DEFINE_SIMPLE_IO_EVENT(xfs_unwritten_convert); DEFINE_SIMPLE_IO_EVENT(xfs_get_blocks_notfound); - - -TRACE_EVENT(xfs_itruncate_start, - TP_PROTO(struct xfs_inode *ip, xfs_fsize_t new_size, int flag, - xfs_off_t toss_start, xfs_off_t toss_finish), - TP_ARGS(ip, new_size, flag, toss_start, toss_finish), - TP_STRUCT__entry( - __field(dev_t, dev) - __field(xfs_ino_t, ino) - __field(xfs_fsize_t, size) - __field(xfs_fsize_t, new_size) - __field(xfs_off_t, toss_start) - __field(xfs_off_t, toss_finish) - __field(int, flag) - ), - TP_fast_assign( - __entry->dev = VFS_I(ip)->i_sb->s_dev; - __entry->ino = ip->i_ino; - __entry->size = ip->i_d.di_size; - __entry->new_size = new_size; - __entry->toss_start = toss_start; - __entry->toss_finish = toss_finish; - __entry->flag = flag; - ), - TP_printk("dev %d:%d ino 0x%llx %s size 0x%llx new_size 0x%llx " - "toss start 0x%llx toss finish 0x%llx", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->ino, - __print_flags(__entry->flag, "|", XFS_ITRUNC_FLAGS), - __entry->size, - __entry->new_size, - __entry->toss_start, - __entry->toss_finish) -); +DEFINE_SIMPLE_IO_EVENT(xfs_setfilesize); DECLARE_EVENT_CLASS(xfs_itrunc_class, TP_PROTO(struct xfs_inode *ip, xfs_fsize_t new_size), @@ -1089,8 +1059,8 @@ DECLARE_EVENT_CLASS(xfs_itrunc_class, DEFINE_EVENT(xfs_itrunc_class, name, \ TP_PROTO(struct xfs_inode *ip, xfs_fsize_t new_size), \ TP_ARGS(ip, new_size)) -DEFINE_ITRUNC_EVENT(xfs_itruncate_finish_start); -DEFINE_ITRUNC_EVENT(xfs_itruncate_finish_end); +DEFINE_ITRUNC_EVENT(xfs_itruncate_data_start); +DEFINE_ITRUNC_EVENT(xfs_itruncate_data_end); TRACE_EVENT(xfs_pagecache_inval, TP_PROTO(struct xfs_inode *ip, xfs_off_t start, xfs_off_t finish), diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c index 6fa214603819..837f31158d43 100644 --- a/fs/xfs/quota/xfs_dquot.c +++ b/fs/xfs/quota/xfs_dquot.c @@ -220,7 +220,7 @@ xfs_qm_adjust_dqtimers( { ASSERT(d->d_id); -#ifdef QUOTADEBUG +#ifdef DEBUG if (d->d_blk_hardlimit) ASSERT(be64_to_cpu(d->d_blk_softlimit) <= be64_to_cpu(d->d_blk_hardlimit)); @@ -231,6 +231,7 @@ xfs_qm_adjust_dqtimers( ASSERT(be64_to_cpu(d->d_rtb_softlimit) <= be64_to_cpu(d->d_rtb_hardlimit)); #endif + if (!d->d_btimer) { if ((d->d_blk_softlimit && (be64_to_cpu(d->d_bcount) >= @@ -318,7 +319,7 @@ xfs_qm_init_dquot_blk( ASSERT(tp); ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); + ASSERT(xfs_buf_islocked(bp)); d = (xfs_dqblk_t *)XFS_BUF_PTR(bp); @@ -534,7 +535,7 @@ xfs_qm_dqtobp( } ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); + ASSERT(xfs_buf_islocked(bp)); /* * calculate the location of the dquot inside the buffer. @@ -622,7 +623,7 @@ xfs_qm_dqread( * brelse it because we have the changes incore. */ ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); + ASSERT(xfs_buf_islocked(bp)); xfs_trans_brelse(tp, bp); return (error); @@ -1423,45 +1424,6 @@ xfs_qm_dqpurge( } -#ifdef QUOTADEBUG -void -xfs_qm_dqprint(xfs_dquot_t *dqp) -{ - struct xfs_mount *mp = dqp->q_mount; - - xfs_debug(mp, "-----------KERNEL DQUOT----------------"); - xfs_debug(mp, "---- dquotID = %d", - (int)be32_to_cpu(dqp->q_core.d_id)); - xfs_debug(mp, "---- type = %s", DQFLAGTO_TYPESTR(dqp)); - xfs_debug(mp, "---- fs = 0x%p", dqp->q_mount); - xfs_debug(mp, "---- blkno = 0x%x", (int) dqp->q_blkno); - xfs_debug(mp, "---- boffset = 0x%x", (int) dqp->q_bufoffset); - xfs_debug(mp, "---- blkhlimit = %Lu (0x%x)", - be64_to_cpu(dqp->q_core.d_blk_hardlimit), - (int)be64_to_cpu(dqp->q_core.d_blk_hardlimit)); - xfs_debug(mp, "---- blkslimit = %Lu (0x%x)", - be64_to_cpu(dqp->q_core.d_blk_softlimit), - (int)be64_to_cpu(dqp->q_core.d_blk_softlimit)); - xfs_debug(mp, "---- inohlimit = %Lu (0x%x)", - be64_to_cpu(dqp->q_core.d_ino_hardlimit), - (int)be64_to_cpu(dqp->q_core.d_ino_hardlimit)); - xfs_debug(mp, "---- inoslimit = %Lu (0x%x)", - be64_to_cpu(dqp->q_core.d_ino_softlimit), - (int)be64_to_cpu(dqp->q_core.d_ino_softlimit)); - xfs_debug(mp, "---- bcount = %Lu (0x%x)", - be64_to_cpu(dqp->q_core.d_bcount), - (int)be64_to_cpu(dqp->q_core.d_bcount)); - xfs_debug(mp, "---- icount = %Lu (0x%x)", - be64_to_cpu(dqp->q_core.d_icount), - (int)be64_to_cpu(dqp->q_core.d_icount)); - xfs_debug(mp, "---- btimer = %d", - (int)be32_to_cpu(dqp->q_core.d_btimer)); - xfs_debug(mp, "---- itimer = %d", - (int)be32_to_cpu(dqp->q_core.d_itimer)); - xfs_debug(mp, "---------------------------"); -} -#endif - /* * Give the buffer a little push if it is incore and * wait on the flush lock. diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h index 5da3a23b820d..34b7e945dbfa 100644 --- a/fs/xfs/quota/xfs_dquot.h +++ b/fs/xfs/quota/xfs_dquot.h @@ -116,12 +116,6 @@ static inline void xfs_dqfunlock(xfs_dquot_t *dqp) (XFS_IS_UQUOTA_ON((d)->q_mount)) : \ (XFS_IS_OQUOTA_ON((d)->q_mount)))) -#ifdef QUOTADEBUG -extern void xfs_qm_dqprint(xfs_dquot_t *); -#else -#define xfs_qm_dqprint(a) -#endif - extern void xfs_qm_dqdestroy(xfs_dquot_t *); extern int xfs_qm_dqflush(xfs_dquot_t *, uint); extern int xfs_qm_dqpurge(xfs_dquot_t *); diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index b94dace4e785..46e54ad9a2dc 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -67,32 +67,6 @@ static struct shrinker xfs_qm_shaker = { .seeks = DEFAULT_SEEKS, }; -#ifdef DEBUG -extern struct mutex qcheck_lock; -#endif - -#ifdef QUOTADEBUG -static void -xfs_qm_dquot_list_print( - struct xfs_mount *mp) -{ - xfs_dquot_t *dqp; - int i = 0; - - list_for_each_entry(dqp, &mp->m_quotainfo->qi_dqlist_lock, qi_mplist) { - xfs_debug(mp, " %d. \"%d (%s)\" " - "bcnt = %lld, icnt = %lld, refs = %d", - i++, be32_to_cpu(dqp->q_core.d_id), - DQFLAGTO_TYPESTR(dqp), - (long long)be64_to_cpu(dqp->q_core.d_bcount), - (long long)be64_to_cpu(dqp->q_core.d_icount), - dqp->q_nrefs); - } -} -#else -static void xfs_qm_dquot_list_print(struct xfs_mount *mp) { } -#endif - /* * Initialize the XQM structure. * Note that there is not one quota manager per file system. @@ -165,9 +139,6 @@ xfs_Gqm_init(void) atomic_set(&xqm->qm_totaldquots, 0); xqm->qm_dqfree_ratio = XFS_QM_DQFREE_RATIO; xqm->qm_nrefs = 0; -#ifdef DEBUG - mutex_init(&qcheck_lock); -#endif return xqm; out_free_udqhash: @@ -204,9 +175,6 @@ xfs_qm_destroy( mutex_lock(&xqm->qm_dqfrlist_lock); list_for_each_entry_safe(dqp, n, &xqm->qm_dqfrlist, q_freelist) { xfs_dqlock(dqp); -#ifdef QUOTADEBUG - xfs_debug(dqp->q_mount, "FREELIST destroy 0x%p", dqp); -#endif list_del_init(&dqp->q_freelist); xfs_Gqm->qm_dqfrlist_cnt--; xfs_dqunlock(dqp); @@ -214,9 +182,6 @@ xfs_qm_destroy( } mutex_unlock(&xqm->qm_dqfrlist_lock); mutex_destroy(&xqm->qm_dqfrlist_lock); -#ifdef DEBUG - mutex_destroy(&qcheck_lock); -#endif kmem_free(xqm); } @@ -409,11 +374,6 @@ xfs_qm_mount_quotas( xfs_warn(mp, "Failed to initialize disk quotas."); return; } - -#ifdef QUOTADEBUG - if (XFS_IS_QUOTA_ON(mp)) - xfs_qm_internalqcheck(mp); -#endif } /* @@ -866,8 +826,8 @@ xfs_qm_dqattach_locked( } done: -#ifdef QUOTADEBUG - if (! error) { +#ifdef DEBUG + if (!error) { if (XFS_IS_UQUOTA_ON(mp)) ASSERT(ip->i_udquot); if (XFS_IS_OQUOTA_ON(mp)) @@ -1733,8 +1693,6 @@ xfs_qm_quotacheck( mp->m_qflags &= ~(XFS_OQUOTA_CHKD | XFS_UQUOTA_CHKD); mp->m_qflags |= flags; - xfs_qm_dquot_list_print(mp); - error_return: if (error) { xfs_warn(mp, @@ -2096,9 +2054,6 @@ xfs_qm_write_sb_changes( xfs_trans_t *tp; int error; -#ifdef QUOTADEBUG - xfs_notice(mp, "Writing superblock quota changes"); -#endif tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE); if ((error = xfs_trans_reserve(tp, 0, mp->m_sb.sb_sectsize + 128, 0, diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/quota/xfs_qm.h index 567b29b9f1b3..43b9abe1052c 100644 --- a/fs/xfs/quota/xfs_qm.h +++ b/fs/xfs/quota/xfs_qm.h @@ -163,10 +163,4 @@ extern int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *); extern int xfs_qm_scall_quotaon(xfs_mount_t *, uint); extern int xfs_qm_scall_quotaoff(xfs_mount_t *, uint); -#ifdef DEBUG -extern int xfs_qm_internalqcheck(xfs_mount_t *); -#else -#define xfs_qm_internalqcheck(mp) (0) -#endif - #endif /* __XFS_QM_H__ */ diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c index 2dadb15d5ca9..609246f42e6c 100644 --- a/fs/xfs/quota/xfs_qm_syscalls.c +++ b/fs/xfs/quota/xfs_qm_syscalls.c @@ -263,7 +263,7 @@ xfs_qm_scall_trunc_qfile( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip); - error = xfs_itruncate_finish(&tp, ip, 0, XFS_DATA_FORK, 1); + error = xfs_itruncate_data(&tp, ip, 0); if (error) { xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT); @@ -622,7 +622,6 @@ xfs_qm_scall_setqlim( xfs_trans_log_dquot(tp, dqp); error = xfs_trans_commit(tp, 0); - xfs_qm_dqprint(dqp); xfs_qm_dqrele(dqp); out_unlock: @@ -657,7 +656,6 @@ xfs_qm_scall_getquota( xfs_qm_dqput(dqp); return XFS_ERROR(ENOENT); } - /* xfs_qm_dqprint(dqp); */ /* * Convert the disk dquot to the exportable format */ @@ -906,354 +904,3 @@ xfs_qm_dqrele_all_inodes( ASSERT(mp->m_quotainfo); xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags); } - -/*------------------------------------------------------------------------*/ -#ifdef DEBUG -/* - * This contains all the test functions for XFS disk quotas. - * Currently it does a quota accounting check. ie. it walks through - * all inodes in the file system, calculating the dquot accounting fields, - * and prints out any inconsistencies. - */ -xfs_dqhash_t *qmtest_udqtab; -xfs_dqhash_t *qmtest_gdqtab; -int qmtest_hashmask; -int qmtest_nfails; -struct mutex qcheck_lock; - -#define DQTEST_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \ - (__psunsigned_t)(id)) & \ - (qmtest_hashmask - 1)) - -#define DQTEST_HASH(mp, id, type) ((type & XFS_DQ_USER) ? \ - (qmtest_udqtab + \ - DQTEST_HASHVAL(mp, id)) : \ - (qmtest_gdqtab + \ - DQTEST_HASHVAL(mp, id))) - -#define DQTEST_LIST_PRINT(l, NXT, title) \ -{ \ - xfs_dqtest_t *dqp; int i = 0;\ - xfs_debug(NULL, "%s (#%d)", title, (int) (l)->qh_nelems); \ - for (dqp = (xfs_dqtest_t *)(l)->qh_next; dqp != NULL; \ - dqp = (xfs_dqtest_t *)dqp->NXT) { \ - xfs_debug(dqp->q_mount, \ - " %d. \"%d (%s)\" bcnt = %d, icnt = %d", \ - ++i, dqp->d_id, DQFLAGTO_TYPESTR(dqp), \ - dqp->d_bcount, dqp->d_icount); } \ -} - -typedef struct dqtest { - uint dq_flags; /* various flags (XFS_DQ_*) */ - struct list_head q_hashlist; - xfs_dqhash_t *q_hash; /* the hashchain header */ - xfs_mount_t *q_mount; /* filesystem this relates to */ - xfs_dqid_t d_id; /* user id or group id */ - xfs_qcnt_t d_bcount; /* # disk blocks owned by the user */ - xfs_qcnt_t d_icount; /* # inodes owned by the user */ -} xfs_dqtest_t; - -STATIC void -xfs_qm_hashinsert(xfs_dqhash_t *h, xfs_dqtest_t *dqp) -{ - list_add(&dqp->q_hashlist, &h->qh_list); - h->qh_version++; - h->qh_nelems++; -} -STATIC void -xfs_qm_dqtest_print( - struct xfs_mount *mp, - struct dqtest *d) -{ - xfs_debug(mp, "-----------DQTEST DQUOT----------------"); - xfs_debug(mp, "---- dquot ID = %d", d->d_id); - xfs_debug(mp, "---- fs = 0x%p", d->q_mount); - xfs_debug(mp, "---- bcount = %Lu (0x%x)", - d->d_bcount, (int)d->d_bcount); - xfs_debug(mp, "---- icount = %Lu (0x%x)", - d->d_icount, (int)d->d_icount); - xfs_debug(mp, "---------------------------"); -} - -STATIC void -xfs_qm_dqtest_failed( - xfs_dqtest_t *d, - xfs_dquot_t *dqp, - char *reason, - xfs_qcnt_t a, - xfs_qcnt_t b, - int error) -{ - qmtest_nfails++; - if (error) - xfs_debug(dqp->q_mount, - "quotacheck failed id=%d, err=%d\nreason: %s", - d->d_id, error, reason); - else - xfs_debug(dqp->q_mount, - "quotacheck failed id=%d (%s) [%d != %d]", - d->d_id, reason, (int)a, (int)b); - xfs_qm_dqtest_print(dqp->q_mount, d); - if (dqp) - xfs_qm_dqprint(dqp); -} - -STATIC int -xfs_dqtest_cmp2( - xfs_dqtest_t *d, - xfs_dquot_t *dqp) -{ - int err = 0; - if (be64_to_cpu(dqp->q_core.d_icount) != d->d_icount) { - xfs_qm_dqtest_failed(d, dqp, "icount mismatch", - be64_to_cpu(dqp->q_core.d_icount), - d->d_icount, 0); - err++; - } - if (be64_to_cpu(dqp->q_core.d_bcount) != d->d_bcount) { - xfs_qm_dqtest_failed(d, dqp, "bcount mismatch", - be64_to_cpu(dqp->q_core.d_bcount), - d->d_bcount, 0); - err++; - } - if (dqp->q_core.d_blk_softlimit && - be64_to_cpu(dqp->q_core.d_bcount) >= - be64_to_cpu(dqp->q_core.d_blk_softlimit)) { - if (!dqp->q_core.d_btimer && dqp->q_core.d_id) { - xfs_debug(dqp->q_mount, - "%d [%s] BLK TIMER NOT STARTED", - d->d_id, DQFLAGTO_TYPESTR(d)); - err++; - } - } - if (dqp->q_core.d_ino_softlimit && - be64_to_cpu(dqp->q_core.d_icount) >= - be64_to_cpu(dqp->q_core.d_ino_softlimit)) { - if (!dqp->q_core.d_itimer && dqp->q_core.d_id) { - xfs_debug(dqp->q_mount, - "%d [%s] INO TIMER NOT STARTED", - d->d_id, DQFLAGTO_TYPESTR(d)); - err++; - } - } -#ifdef QUOTADEBUG - if (!err) { - xfs_debug(dqp->q_mount, "%d [%s] qchecked", - d->d_id, DQFLAGTO_TYPESTR(d)); - } -#endif - return (err); -} - -STATIC void -xfs_dqtest_cmp( - xfs_dqtest_t *d) -{ - xfs_dquot_t *dqp; - int error; - - /* xfs_qm_dqtest_print(d); */ - if ((error = xfs_qm_dqget(d->q_mount, NULL, d->d_id, d->dq_flags, 0, - &dqp))) { - xfs_qm_dqtest_failed(d, NULL, "dqget failed", 0, 0, error); - return; - } - xfs_dqtest_cmp2(d, dqp); - xfs_qm_dqput(dqp); -} - -STATIC int -xfs_qm_internalqcheck_dqget( - xfs_mount_t *mp, - xfs_dqid_t id, - uint type, - xfs_dqtest_t **O_dq) -{ - xfs_dqtest_t *d; - xfs_dqhash_t *h; - - h = DQTEST_HASH(mp, id, type); - list_for_each_entry(d, &h->qh_list, q_hashlist) { - if (d->d_id == id && mp == d->q_mount) { - *O_dq = d; - return (0); - } - } - d = kmem_zalloc(sizeof(xfs_dqtest_t), KM_SLEEP); - d->dq_flags = type; - d->d_id = id; - d->q_mount = mp; - d->q_hash = h; - INIT_LIST_HEAD(&d->q_hashlist); - xfs_qm_hashinsert(h, d); - *O_dq = d; - return (0); -} - -STATIC void -xfs_qm_internalqcheck_get_dquots( - xfs_mount_t *mp, - xfs_dqid_t uid, - xfs_dqid_t projid, - xfs_dqid_t gid, - xfs_dqtest_t **ud, - xfs_dqtest_t **gd) -{ - if (XFS_IS_UQUOTA_ON(mp)) - xfs_qm_internalqcheck_dqget(mp, uid, XFS_DQ_USER, ud); - if (XFS_IS_GQUOTA_ON(mp)) - xfs_qm_internalqcheck_dqget(mp, gid, XFS_DQ_GROUP, gd); - else if (XFS_IS_PQUOTA_ON(mp)) - xfs_qm_internalqcheck_dqget(mp, projid, XFS_DQ_PROJ, gd); -} - - -STATIC void -xfs_qm_internalqcheck_dqadjust( - xfs_inode_t *ip, - xfs_dqtest_t *d) -{ - d->d_icount++; - d->d_bcount += (xfs_qcnt_t)ip->i_d.di_nblocks; -} - -STATIC int -xfs_qm_internalqcheck_adjust( - xfs_mount_t *mp, /* mount point for filesystem */ - xfs_ino_t ino, /* inode number to get data for */ - void __user *buffer, /* not used */ - int ubsize, /* not used */ - int *ubused, /* not used */ - int *res) /* bulkstat result code */ -{ - xfs_inode_t *ip; - xfs_dqtest_t *ud, *gd; - uint lock_flags; - boolean_t ipreleased; - int error; - - ASSERT(XFS_IS_QUOTA_RUNNING(mp)); - - if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino) { - *res = BULKSTAT_RV_NOTHING; - xfs_debug(mp, "%s: ino=%llu, uqino=%llu, gqino=%llu\n", - __func__, (unsigned long long) ino, - (unsigned long long) mp->m_sb.sb_uquotino, - (unsigned long long) mp->m_sb.sb_gquotino); - return XFS_ERROR(EINVAL); - } - ipreleased = B_FALSE; - again: - lock_flags = XFS_ILOCK_SHARED; - if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip))) { - *res = BULKSTAT_RV_NOTHING; - return (error); - } - - /* - * This inode can have blocks after eof which can get released - * when we send it to inactive. Since we don't check the dquot - * until the after all our calculations are done, we must get rid - * of those now. - */ - if (! ipreleased) { - xfs_iunlock(ip, lock_flags); - IRELE(ip); - ipreleased = B_TRUE; - goto again; - } - xfs_qm_internalqcheck_get_dquots(mp, - (xfs_dqid_t) ip->i_d.di_uid, - (xfs_dqid_t) xfs_get_projid(ip), - (xfs_dqid_t) ip->i_d.di_gid, - &ud, &gd); - if (XFS_IS_UQUOTA_ON(mp)) { - ASSERT(ud); - xfs_qm_internalqcheck_dqadjust(ip, ud); - } - if (XFS_IS_OQUOTA_ON(mp)) { - ASSERT(gd); - xfs_qm_internalqcheck_dqadjust(ip, gd); - } - xfs_iunlock(ip, lock_flags); - IRELE(ip); - *res = BULKSTAT_RV_DIDONE; - return (0); -} - - -/* PRIVATE, debugging */ -int -xfs_qm_internalqcheck( - xfs_mount_t *mp) -{ - xfs_ino_t lastino; - int done, count; - int i; - int error; - - lastino = 0; - qmtest_hashmask = 32; - count = 5; - done = 0; - qmtest_nfails = 0; - - if (! XFS_IS_QUOTA_ON(mp)) - return XFS_ERROR(ESRCH); - - xfs_log_force(mp, XFS_LOG_SYNC); - XFS_bflush(mp->m_ddev_targp); - xfs_log_force(mp, XFS_LOG_SYNC); - XFS_bflush(mp->m_ddev_targp); - - mutex_lock(&qcheck_lock); - /* There should be absolutely no quota activity while this - is going on. */ - qmtest_udqtab = kmem_zalloc(qmtest_hashmask * - sizeof(xfs_dqhash_t), KM_SLEEP); - qmtest_gdqtab = kmem_zalloc(qmtest_hashmask * - sizeof(xfs_dqhash_t), KM_SLEEP); - do { - /* - * Iterate thru all the inodes in the file system, - * adjusting the corresponding dquot counters - */ - error = xfs_bulkstat(mp, &lastino, &count, - xfs_qm_internalqcheck_adjust, - 0, NULL, &done); - if (error) { - xfs_debug(mp, "Bulkstat returned error 0x%x", error); - break; - } - } while (!done); - - xfs_debug(mp, "Checking results against system dquots"); - for (i = 0; i < qmtest_hashmask; i++) { - xfs_dqtest_t *d, *n; - xfs_dqhash_t *h; - - h = &qmtest_udqtab[i]; - list_for_each_entry_safe(d, n, &h->qh_list, q_hashlist) { - xfs_dqtest_cmp(d); - kmem_free(d); - } - h = &qmtest_gdqtab[i]; - list_for_each_entry_safe(d, n, &h->qh_list, q_hashlist) { - xfs_dqtest_cmp(d); - kmem_free(d); - } - } - - if (qmtest_nfails) { - xfs_debug(mp, "******** quotacheck failed ********"); - xfs_debug(mp, "failures = %d", qmtest_nfails); - } else { - xfs_debug(mp, "******** quotacheck successful! ********"); - } - kmem_free(qmtest_udqtab); - kmem_free(qmtest_gdqtab); - mutex_unlock(&qcheck_lock); - return (qmtest_nfails); -} - -#endif /* DEBUG */ diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/quota/xfs_trans_dquot.c index 2a3648731331..4d00ee67792d 100644 --- a/fs/xfs/quota/xfs_trans_dquot.c +++ b/fs/xfs/quota/xfs_trans_dquot.c @@ -59,7 +59,7 @@ xfs_trans_dqjoin( xfs_trans_add_item(tp, &dqp->q_logitem.qli_item); /* - * Initialize i_transp so we can later determine if this dquot is + * Initialize d_transp so we can later determine if this dquot is * associated with this transaction. */ dqp->q_transp = tp; @@ -387,18 +387,18 @@ xfs_trans_apply_dquot_deltas( qtrx->qt_delbcnt_delta; totalrtbdelta = qtrx->qt_rtbcount_delta + qtrx->qt_delrtb_delta; -#ifdef QUOTADEBUG +#ifdef DEBUG if (totalbdelta < 0) ASSERT(be64_to_cpu(d->d_bcount) >= - (xfs_qcnt_t) -totalbdelta); + -totalbdelta); if (totalrtbdelta < 0) ASSERT(be64_to_cpu(d->d_rtbcount) >= - (xfs_qcnt_t) -totalrtbdelta); + -totalrtbdelta); if (qtrx->qt_icount_delta < 0) ASSERT(be64_to_cpu(d->d_icount) >= - (xfs_qcnt_t) -qtrx->qt_icount_delta); + -qtrx->qt_icount_delta); #endif if (totalbdelta) be64_add_cpu(&d->d_bcount, (xfs_qcnt_t)totalbdelta); @@ -642,11 +642,6 @@ xfs_trans_dqresv( ((XFS_IS_UQUOTA_ENFORCED(dqp->q_mount) && XFS_QM_ISUDQ(dqp)) || (XFS_IS_OQUOTA_ENFORCED(dqp->q_mount) && (XFS_QM_ISPDQ(dqp) || XFS_QM_ISGDQ(dqp))))) { -#ifdef QUOTADEBUG - xfs_debug(mp, - "BLK Res: nblks=%ld + resbcount=%Ld > hardlimit=%Ld?", - nblks, *resbcountp, hardlimit); -#endif if (nblks > 0) { /* * dquot is locked already. See if we'd go over the diff --git a/fs/xfs/xfs.h b/fs/xfs/xfs.h index 5ad8ad3a1dcd..53ec3ea9a625 100644 --- a/fs/xfs/xfs.h +++ b/fs/xfs/xfs.h @@ -22,7 +22,6 @@ #define STATIC #define DEBUG 1 #define XFS_BUF_LOCK_TRACKING 1 -/* #define QUOTADEBUG 1 */ #endif #include <linux-2.6/xfs_linux.h> diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c index 95862bbff56b..1e00b3ef6274 100644 --- a/fs/xfs/xfs_alloc.c +++ b/fs/xfs/xfs_alloc.c @@ -570,9 +570,7 @@ xfs_alloc_ag_vextent_exact( xfs_agblock_t tbno; /* start block of trimmed extent */ xfs_extlen_t tlen; /* length of trimmed extent */ xfs_agblock_t tend; /* end block of trimmed extent */ - xfs_agblock_t end; /* end of allocated extent */ int i; /* success/failure of operation */ - xfs_extlen_t rlen; /* length of returned extent */ ASSERT(args->alignment == 1); @@ -625,18 +623,16 @@ xfs_alloc_ag_vextent_exact( * * Fix the length according to mod and prod if given. */ - end = XFS_AGBLOCK_MIN(tend, args->agbno + args->maxlen); - args->len = end - args->agbno; + args->len = XFS_AGBLOCK_MIN(tend, args->agbno + args->maxlen) + - args->agbno; xfs_alloc_fix_len(args); if (!xfs_alloc_fix_minleft(args)) goto not_found; - rlen = args->len; - ASSERT(args->agbno + rlen <= tend); - end = args->agbno + rlen; + ASSERT(args->agbno + args->len <= tend); /* - * We are allocating agbno for rlen [agbno .. end] + * We are allocating agbno for args->len * Allocate/initialize a cursor for the by-size btree. */ cnt_cur = xfs_allocbt_init_cursor(args->mp, args->tp, args->agbp, @@ -2127,7 +2123,7 @@ xfs_read_agf( * Validate the magic number of the agf block. */ agf_ok = - be32_to_cpu(agf->agf_magicnum) == XFS_AGF_MAGIC && + agf->agf_magicnum == cpu_to_be32(XFS_AGF_MAGIC) && XFS_AGF_GOOD_VERSION(be32_to_cpu(agf->agf_versionnum)) && be32_to_cpu(agf->agf_freeblks) <= be32_to_cpu(agf->agf_length) && be32_to_cpu(agf->agf_flfirst) < XFS_AGFL_SIZE(mp) && diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c index 2b3518826a69..ffb3386e45c1 100644 --- a/fs/xfs/xfs_alloc_btree.c +++ b/fs/xfs/xfs_alloc_btree.c @@ -31,7 +31,6 @@ #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_btree.h" -#include "xfs_btree_trace.h" #include "xfs_alloc.h" #include "xfs_error.h" #include "xfs_trace.h" @@ -311,72 +310,6 @@ xfs_allocbt_recs_inorder( } #endif /* DEBUG */ -#ifdef XFS_BTREE_TRACE -ktrace_t *xfs_allocbt_trace_buf; - -STATIC void -xfs_allocbt_trace_enter( - struct xfs_btree_cur *cur, - const char *func, - char *s, - int type, - int line, - __psunsigned_t a0, - __psunsigned_t a1, - __psunsigned_t a2, - __psunsigned_t a3, - __psunsigned_t a4, - __psunsigned_t a5, - __psunsigned_t a6, - __psunsigned_t a7, - __psunsigned_t a8, - __psunsigned_t a9, - __psunsigned_t a10) -{ - ktrace_enter(xfs_allocbt_trace_buf, (void *)(__psint_t)type, - (void *)func, (void *)s, NULL, (void *)cur, - (void *)a0, (void *)a1, (void *)a2, (void *)a3, - (void *)a4, (void *)a5, (void *)a6, (void *)a7, - (void *)a8, (void *)a9, (void *)a10); -} - -STATIC void -xfs_allocbt_trace_cursor( - struct xfs_btree_cur *cur, - __uint32_t *s0, - __uint64_t *l0, - __uint64_t *l1) -{ - *s0 = cur->bc_private.a.agno; - *l0 = cur->bc_rec.a.ar_startblock; - *l1 = cur->bc_rec.a.ar_blockcount; -} - -STATIC void -xfs_allocbt_trace_key( - struct xfs_btree_cur *cur, - union xfs_btree_key *key, - __uint64_t *l0, - __uint64_t *l1) -{ - *l0 = be32_to_cpu(key->alloc.ar_startblock); - *l1 = be32_to_cpu(key->alloc.ar_blockcount); -} - -STATIC void -xfs_allocbt_trace_record( - struct xfs_btree_cur *cur, - union xfs_btree_rec *rec, - __uint64_t *l0, - __uint64_t *l1, - __uint64_t *l2) -{ - *l0 = be32_to_cpu(rec->alloc.ar_startblock); - *l1 = be32_to_cpu(rec->alloc.ar_blockcount); - *l2 = 0; -} -#endif /* XFS_BTREE_TRACE */ - static const struct xfs_btree_ops xfs_allocbt_ops = { .rec_len = sizeof(xfs_alloc_rec_t), .key_len = sizeof(xfs_alloc_key_t), @@ -393,18 +326,10 @@ static const struct xfs_btree_ops xfs_allocbt_ops = { .init_rec_from_cur = xfs_allocbt_init_rec_from_cur, .init_ptr_from_cur = xfs_allocbt_init_ptr_from_cur, .key_diff = xfs_allocbt_key_diff, - #ifdef DEBUG .keys_inorder = xfs_allocbt_keys_inorder, .recs_inorder = xfs_allocbt_recs_inorder, #endif - -#ifdef XFS_BTREE_TRACE - .trace_enter = xfs_allocbt_trace_enter, - .trace_cursor = xfs_allocbt_trace_cursor, - .trace_key = xfs_allocbt_trace_key, - .trace_record = xfs_allocbt_trace_record, -#endif }; /* @@ -427,13 +352,16 @@ xfs_allocbt_init_cursor( cur->bc_tp = tp; cur->bc_mp = mp; - cur->bc_nlevels = be32_to_cpu(agf->agf_levels[btnum]); cur->bc_btnum = btnum; cur->bc_blocklog = mp->m_sb.sb_blocklog; - cur->bc_ops = &xfs_allocbt_ops; - if (btnum == XFS_BTNUM_CNT) + + if (btnum == XFS_BTNUM_CNT) { + cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]); cur->bc_flags = XFS_BTREE_LASTREC_UPDATE; + } else { + cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]); + } cur->bc_private.a.agbp = agbp; cur->bc_private.a.agno = agno; diff --git a/fs/xfs/xfs_arch.h b/fs/xfs/xfs_arch.h deleted file mode 100644 index 0902249354a0..000000000000 --- a/fs/xfs/xfs_arch.h +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_ARCH_H__ -#define __XFS_ARCH_H__ - -#ifndef XFS_BIG_INUMS -# error XFS_BIG_INUMS must be defined true or false -#endif - -#ifdef __KERNEL__ - -#include <asm/byteorder.h> - -#ifdef __BIG_ENDIAN -#define XFS_NATIVE_HOST 1 -#else -#undef XFS_NATIVE_HOST -#endif - -#else /* __KERNEL__ */ - -#if __BYTE_ORDER == __BIG_ENDIAN -#define XFS_NATIVE_HOST 1 -#else -#undef XFS_NATIVE_HOST -#endif - -#ifdef XFS_NATIVE_HOST -#define cpu_to_be16(val) ((__force __be16)(__u16)(val)) -#define cpu_to_be32(val) ((__force __be32)(__u32)(val)) -#define cpu_to_be64(val) ((__force __be64)(__u64)(val)) -#define be16_to_cpu(val) ((__force __u16)(__be16)(val)) -#define be32_to_cpu(val) ((__force __u32)(__be32)(val)) -#define be64_to_cpu(val) ((__force __u64)(__be64)(val)) -#else -#define cpu_to_be16(val) ((__force __be16)__swab16((__u16)(val))) -#define cpu_to_be32(val) ((__force __be32)__swab32((__u32)(val))) -#define cpu_to_be64(val) ((__force __be64)__swab64((__u64)(val))) -#define be16_to_cpu(val) (__swab16((__force __u16)(__be16)(val))) -#define be32_to_cpu(val) (__swab32((__force __u32)(__be32)(val))) -#define be64_to_cpu(val) (__swab64((__force __u64)(__be64)(val))) -#endif - -static inline void be16_add_cpu(__be16 *a, __s16 b) -{ - *a = cpu_to_be16(be16_to_cpu(*a) + b); -} - -static inline void be32_add_cpu(__be32 *a, __s32 b) -{ - *a = cpu_to_be32(be32_to_cpu(*a) + b); -} - -static inline void be64_add_cpu(__be64 *a, __s64 b) -{ - *a = cpu_to_be64(be64_to_cpu(*a) + b); -} - -#endif /* __KERNEL__ */ - -/* - * get and set integers from potentially unaligned locations - */ - -#define INT_GET_UNALIGNED_16_BE(pointer) \ - ((__u16)((((__u8*)(pointer))[0] << 8) | (((__u8*)(pointer))[1]))) -#define INT_SET_UNALIGNED_16_BE(pointer,value) \ - { \ - ((__u8*)(pointer))[0] = (((value) >> 8) & 0xff); \ - ((__u8*)(pointer))[1] = (((value) ) & 0xff); \ - } - -/* - * In directories inode numbers are stored as unaligned arrays of unsigned - * 8bit integers on disk. - * - * For v1 directories or v2 directories that contain inode numbers that - * do not fit into 32bit the array has eight members, but the first member - * is always zero: - * - * |unused|48-55|40-47|32-39|24-31|16-23| 8-15| 0- 7| - * - * For v2 directories that only contain entries with inode numbers that fit - * into 32bits a four-member array is used: - * - * |24-31|16-23| 8-15| 0- 7| - */ - -#define XFS_GET_DIR_INO4(di) \ - (((__u32)(di).i[0] << 24) | ((di).i[1] << 16) | ((di).i[2] << 8) | ((di).i[3])) - -#define XFS_PUT_DIR_INO4(from, di) \ -do { \ - (di).i[0] = (((from) & 0xff000000ULL) >> 24); \ - (di).i[1] = (((from) & 0x00ff0000ULL) >> 16); \ - (di).i[2] = (((from) & 0x0000ff00ULL) >> 8); \ - (di).i[3] = ((from) & 0x000000ffULL); \ -} while (0) - -#define XFS_DI_HI(di) \ - (((__u32)(di).i[1] << 16) | ((di).i[2] << 8) | ((di).i[3])) -#define XFS_DI_LO(di) \ - (((__u32)(di).i[4] << 24) | ((di).i[5] << 16) | ((di).i[6] << 8) | ((di).i[7])) - -#define XFS_GET_DIR_INO8(di) \ - (((xfs_ino_t)XFS_DI_LO(di) & 0xffffffffULL) | \ - ((xfs_ino_t)XFS_DI_HI(di) << 32)) - -#define XFS_PUT_DIR_INO8(from, di) \ -do { \ - (di).i[0] = 0; \ - (di).i[1] = (((from) & 0x00ff000000000000ULL) >> 48); \ - (di).i[2] = (((from) & 0x0000ff0000000000ULL) >> 40); \ - (di).i[3] = (((from) & 0x000000ff00000000ULL) >> 32); \ - (di).i[4] = (((from) & 0x00000000ff000000ULL) >> 24); \ - (di).i[5] = (((from) & 0x0000000000ff0000ULL) >> 16); \ - (di).i[6] = (((from) & 0x000000000000ff00ULL) >> 8); \ - (di).i[7] = ((from) & 0x00000000000000ffULL); \ -} while (0) - -#endif /* __XFS_ARCH_H__ */ diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index 01d2072fb6d4..cbae424fe1ba 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -822,17 +822,21 @@ xfs_attr_inactive(xfs_inode_t *dp) error = xfs_attr_root_inactive(&trans, dp); if (error) goto out; + /* - * signal synchronous inactive transactions unless this - * is a synchronous mount filesystem in which case we - * know that we're here because we've been called out of - * xfs_inactive which means that the last reference is gone - * and the unlink transaction has already hit the disk so - * async inactive transactions are safe. + * Signal synchronous inactive transactions unless this is a + * synchronous mount filesystem in which case we know that we're here + * because we've been called out of xfs_inactive which means that the + * last reference is gone and the unlink transaction has already hit + * the disk so async inactive transactions are safe. */ - if ((error = xfs_itruncate_finish(&trans, dp, 0LL, XFS_ATTR_FORK, - (!(mp->m_flags & XFS_MOUNT_WSYNC) - ? 1 : 0)))) + if (!(mp->m_flags & XFS_MOUNT_WSYNC)) { + if (dp->i_d.di_anextents > 0) + xfs_trans_set_sync(trans); + } + + error = xfs_itruncate_extents(&trans, dp, XFS_ATTR_FORK, 0); + if (error) goto out; /* @@ -1199,7 +1203,7 @@ xfs_attr_leaf_list(xfs_attr_list_context_t *context) return XFS_ERROR(error); ASSERT(bp != NULL); leaf = bp->data; - if (unlikely(be16_to_cpu(leaf->hdr.info.magic) != XFS_ATTR_LEAF_MAGIC)) { + if (unlikely(leaf->hdr.info.magic != cpu_to_be16(XFS_ATTR_LEAF_MAGIC))) { XFS_CORRUPTION_ERROR("xfs_attr_leaf_list", XFS_ERRLEVEL_LOW, context->dp->i_mount, leaf); xfs_da_brelse(NULL, bp); @@ -1606,9 +1610,8 @@ xfs_attr_node_removename(xfs_da_args_t *args) XFS_ATTR_FORK); if (error) goto out; - ASSERT(be16_to_cpu(((xfs_attr_leafblock_t *) - bp->data)->hdr.info.magic) - == XFS_ATTR_LEAF_MAGIC); + ASSERT((((xfs_attr_leafblock_t *)bp->data)->hdr.info.magic) == + cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { xfs_bmap_init(args->flist, args->firstblock); @@ -1873,11 +1876,11 @@ xfs_attr_node_list(xfs_attr_list_context_t *context) return(XFS_ERROR(EFSCORRUPTED)); } node = bp->data; - if (be16_to_cpu(node->hdr.info.magic) - == XFS_ATTR_LEAF_MAGIC) + if (node->hdr.info.magic == + cpu_to_be16(XFS_ATTR_LEAF_MAGIC)) break; - if (unlikely(be16_to_cpu(node->hdr.info.magic) - != XFS_DA_NODE_MAGIC)) { + if (unlikely(node->hdr.info.magic != + cpu_to_be16(XFS_DA_NODE_MAGIC))) { XFS_CORRUPTION_ERROR("xfs_attr_node_list(3)", XFS_ERRLEVEL_LOW, context->dp->i_mount, @@ -1912,8 +1915,8 @@ xfs_attr_node_list(xfs_attr_list_context_t *context) */ for (;;) { leaf = bp->data; - if (unlikely(be16_to_cpu(leaf->hdr.info.magic) - != XFS_ATTR_LEAF_MAGIC)) { + if (unlikely(leaf->hdr.info.magic != + cpu_to_be16(XFS_ATTR_LEAF_MAGIC))) { XFS_CORRUPTION_ERROR("xfs_attr_node_list(4)", XFS_ERRLEVEL_LOW, context->dp->i_mount, leaf); diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index 71e90dc2aeb1..8fad9602542b 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -731,7 +731,7 @@ xfs_attr_shortform_allfit(xfs_dabuf_t *bp, xfs_inode_t *dp) int bytes, i; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); entry = &leaf->entries[0]; bytes = sizeof(struct xfs_attr_sf_hdr); @@ -777,7 +777,7 @@ xfs_attr_leaf_to_shortform(xfs_dabuf_t *bp, xfs_da_args_t *args, int forkoff) ASSERT(bp != NULL); memcpy(tmpbuffer, bp->data, XFS_LBSIZE(dp->i_mount)); leaf = (xfs_attr_leafblock_t *)tmpbuffer; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); memset(bp->data, 0, XFS_LBSIZE(dp->i_mount)); /* @@ -872,7 +872,7 @@ xfs_attr_leaf_to_node(xfs_da_args_t *args) goto out; node = bp1->data; leaf = bp2->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); /* both on-disk, don't endian-flip twice */ node->btree[0].hashval = leaf->entries[be16_to_cpu(leaf->hdr.count)-1 ].hashval; @@ -997,7 +997,7 @@ xfs_attr_leaf_add(xfs_dabuf_t *bp, xfs_da_args_t *args) int tablesize, entsize, sum, tmp, i; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); ASSERT((args->index >= 0) && (args->index <= be16_to_cpu(leaf->hdr.count))); hdr = &leaf->hdr; @@ -1070,7 +1070,7 @@ xfs_attr_leaf_add_work(xfs_dabuf_t *bp, xfs_da_args_t *args, int mapindex) int tmp, i; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); hdr = &leaf->hdr; ASSERT((mapindex >= 0) && (mapindex < XFS_ATTR_LEAF_MAPSIZE)); ASSERT((args->index >= 0) && (args->index <= be16_to_cpu(hdr->count))); @@ -1256,8 +1256,8 @@ xfs_attr_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, ASSERT(blk2->magic == XFS_ATTR_LEAF_MAGIC); leaf1 = blk1->bp->data; leaf2 = blk2->bp->data; - ASSERT(be16_to_cpu(leaf1->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); - ASSERT(be16_to_cpu(leaf2->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf1->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); + ASSERT(leaf2->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); args = state->args; /* @@ -1533,7 +1533,7 @@ xfs_attr_leaf_toosmall(xfs_da_state_t *state, int *action) */ blk = &state->path.blk[ state->path.active-1 ]; info = blk->bp->data; - ASSERT(be16_to_cpu(info->magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(info->magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); leaf = (xfs_attr_leafblock_t *)info; count = be16_to_cpu(leaf->hdr.count); bytes = sizeof(xfs_attr_leaf_hdr_t) + @@ -1596,7 +1596,7 @@ xfs_attr_leaf_toosmall(xfs_da_state_t *state, int *action) bytes = state->blocksize - (state->blocksize>>2); bytes -= be16_to_cpu(leaf->hdr.usedbytes); leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); count += be16_to_cpu(leaf->hdr.count); bytes -= be16_to_cpu(leaf->hdr.usedbytes); bytes -= count * sizeof(xfs_attr_leaf_entry_t); @@ -1650,7 +1650,7 @@ xfs_attr_leaf_remove(xfs_dabuf_t *bp, xfs_da_args_t *args) xfs_mount_t *mp; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); hdr = &leaf->hdr; mp = args->trans->t_mountp; ASSERT((be16_to_cpu(hdr->count) > 0) @@ -1813,8 +1813,8 @@ xfs_attr_leaf_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk, ASSERT(save_blk->magic == XFS_ATTR_LEAF_MAGIC); drop_leaf = drop_blk->bp->data; save_leaf = save_blk->bp->data; - ASSERT(be16_to_cpu(drop_leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); - ASSERT(be16_to_cpu(save_leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(drop_leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); + ASSERT(save_leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); drop_hdr = &drop_leaf->hdr; save_hdr = &save_leaf->hdr; @@ -1915,7 +1915,7 @@ xfs_attr_leaf_lookup_int(xfs_dabuf_t *bp, xfs_da_args_t *args) xfs_dahash_t hashval; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); ASSERT(be16_to_cpu(leaf->hdr.count) < (XFS_LBSIZE(args->dp->i_mount)/8)); @@ -2019,7 +2019,7 @@ xfs_attr_leaf_getvalue(xfs_dabuf_t *bp, xfs_da_args_t *args) xfs_attr_leaf_name_remote_t *name_rmt; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); ASSERT(be16_to_cpu(leaf->hdr.count) < (XFS_LBSIZE(args->dp->i_mount)/8)); ASSERT(args->index < be16_to_cpu(leaf->hdr.count)); @@ -2087,8 +2087,8 @@ xfs_attr_leaf_moveents(xfs_attr_leafblock_t *leaf_s, int start_s, /* * Set up environment. */ - ASSERT(be16_to_cpu(leaf_s->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); - ASSERT(be16_to_cpu(leaf_d->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf_s->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); + ASSERT(leaf_d->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); hdr_s = &leaf_s->hdr; hdr_d = &leaf_d->hdr; ASSERT((be16_to_cpu(hdr_s->count) > 0) && @@ -2222,8 +2222,8 @@ xfs_attr_leaf_order(xfs_dabuf_t *leaf1_bp, xfs_dabuf_t *leaf2_bp) leaf1 = leaf1_bp->data; leaf2 = leaf2_bp->data; - ASSERT((be16_to_cpu(leaf1->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC) && - (be16_to_cpu(leaf2->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC)); + ASSERT((leaf1->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)) && + (leaf2->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC))); if ((be16_to_cpu(leaf1->hdr.count) > 0) && (be16_to_cpu(leaf2->hdr.count) > 0) && ((be32_to_cpu(leaf2->entries[0].hashval) < @@ -2246,7 +2246,7 @@ xfs_attr_leaf_lasthash(xfs_dabuf_t *bp, int *count) xfs_attr_leafblock_t *leaf; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); if (count) *count = be16_to_cpu(leaf->hdr.count); if (!leaf->hdr.count) @@ -2265,7 +2265,7 @@ xfs_attr_leaf_entsize(xfs_attr_leafblock_t *leaf, int index) xfs_attr_leaf_name_remote_t *name_rmt; int size; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); if (leaf->entries[index].flags & XFS_ATTR_LOCAL) { name_loc = xfs_attr_leaf_name_local(leaf, index); size = xfs_attr_leaf_entsize_local(name_loc->namelen, @@ -2451,7 +2451,7 @@ xfs_attr_leaf_clearflag(xfs_da_args_t *args) ASSERT(bp != NULL); leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); ASSERT(args->index < be16_to_cpu(leaf->hdr.count)); ASSERT(args->index >= 0); entry = &leaf->entries[ args->index ]; @@ -2515,7 +2515,7 @@ xfs_attr_leaf_setflag(xfs_da_args_t *args) ASSERT(bp != NULL); leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); ASSERT(args->index < be16_to_cpu(leaf->hdr.count)); ASSERT(args->index >= 0); entry = &leaf->entries[ args->index ]; @@ -2585,13 +2585,13 @@ xfs_attr_leaf_flipflags(xfs_da_args_t *args) } leaf1 = bp1->data; - ASSERT(be16_to_cpu(leaf1->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf1->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); ASSERT(args->index < be16_to_cpu(leaf1->hdr.count)); ASSERT(args->index >= 0); entry1 = &leaf1->entries[ args->index ]; leaf2 = bp2->data; - ASSERT(be16_to_cpu(leaf2->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf2->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); ASSERT(args->index2 < be16_to_cpu(leaf2->hdr.count)); ASSERT(args->index2 >= 0); entry2 = &leaf2->entries[ args->index2 ]; @@ -2689,9 +2689,9 @@ xfs_attr_root_inactive(xfs_trans_t **trans, xfs_inode_t *dp) * This is a depth-first traversal! */ info = bp->data; - if (be16_to_cpu(info->magic) == XFS_DA_NODE_MAGIC) { + if (info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC)) { error = xfs_attr_node_inactive(trans, dp, bp, 1); - } else if (be16_to_cpu(info->magic) == XFS_ATTR_LEAF_MAGIC) { + } else if (info->magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)) { error = xfs_attr_leaf_inactive(trans, dp, bp); } else { error = XFS_ERROR(EIO); @@ -2739,7 +2739,7 @@ xfs_attr_node_inactive(xfs_trans_t **trans, xfs_inode_t *dp, xfs_dabuf_t *bp, } node = bp->data; - ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC); + ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); parent_blkno = xfs_da_blkno(bp); /* save for re-read later */ count = be16_to_cpu(node->hdr.count); if (!count) { @@ -2773,10 +2773,10 @@ xfs_attr_node_inactive(xfs_trans_t **trans, xfs_inode_t *dp, xfs_dabuf_t *bp, * Invalidate the subtree, however we have to. */ info = child_bp->data; - if (be16_to_cpu(info->magic) == XFS_DA_NODE_MAGIC) { + if (info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC)) { error = xfs_attr_node_inactive(trans, dp, child_bp, level+1); - } else if (be16_to_cpu(info->magic) == XFS_ATTR_LEAF_MAGIC) { + } else if (info->magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)) { error = xfs_attr_leaf_inactive(trans, dp, child_bp); } else { @@ -2836,7 +2836,7 @@ xfs_attr_leaf_inactive(xfs_trans_t **trans, xfs_inode_t *dp, xfs_dabuf_t *bp) int error, count, size, tmp, i; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); /* * Count the number of "remote" value extents. diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index e546a33214c9..c51a3f903633 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -29,15 +29,11 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_mount.h" #include "xfs_itable.h" -#include "xfs_dir2_data.h" -#include "xfs_dir2_leaf.h" -#include "xfs_dir2_block.h" #include "xfs_inode_item.h" #include "xfs_extfree_item.h" #include "xfs_alloc.h" @@ -94,6 +90,7 @@ xfs_bmap_add_attrfork_local( */ STATIC int /* error */ xfs_bmap_add_extent_delay_real( + struct xfs_trans *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_extnum_t *idx, /* extent number to update/insert */ xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ @@ -439,6 +436,7 @@ xfs_bmap_add_attrfork_local( */ STATIC int /* error */ xfs_bmap_add_extent( + struct xfs_trans *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_extnum_t *idx, /* extent number to update/insert */ xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ @@ -524,7 +522,7 @@ xfs_bmap_add_extent( if (cur) ASSERT(cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL); - error = xfs_bmap_add_extent_delay_real(ip, + error = xfs_bmap_add_extent_delay_real(tp, ip, idx, &cur, new, &da_new, first, flist, &logflags); } else { @@ -561,7 +559,7 @@ xfs_bmap_add_extent( int tmp_logflags; /* partial log flag return val */ ASSERT(cur == NULL); - error = xfs_bmap_extents_to_btree(ip->i_transp, ip, first, + error = xfs_bmap_extents_to_btree(tp, ip, first, flist, &cur, da_old > 0, &tmp_logflags, whichfork); logflags |= tmp_logflags; if (error) @@ -604,6 +602,7 @@ done: */ STATIC int /* error */ xfs_bmap_add_extent_delay_real( + struct xfs_trans *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_extnum_t *idx, /* extent number to update/insert */ xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ @@ -901,7 +900,7 @@ xfs_bmap_add_extent_delay_real( } if (ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS && ip->i_d.di_nextents > ip->i_df.if_ext_max) { - error = xfs_bmap_extents_to_btree(ip->i_transp, ip, + error = xfs_bmap_extents_to_btree(tp, ip, first, flist, &cur, 1, &tmp_rval, XFS_DATA_FORK); rval |= tmp_rval; @@ -984,7 +983,7 @@ xfs_bmap_add_extent_delay_real( } if (ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS && ip->i_d.di_nextents > ip->i_df.if_ext_max) { - error = xfs_bmap_extents_to_btree(ip->i_transp, ip, + error = xfs_bmap_extents_to_btree(tp, ip, first, flist, &cur, 1, &tmp_rval, XFS_DATA_FORK); rval |= tmp_rval; @@ -1052,7 +1051,7 @@ xfs_bmap_add_extent_delay_real( } if (ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS && ip->i_d.di_nextents > ip->i_df.if_ext_max) { - error = xfs_bmap_extents_to_btree(ip->i_transp, ip, + error = xfs_bmap_extents_to_btree(tp, ip, first, flist, &cur, 1, &tmp_rval, XFS_DATA_FORK); rval |= tmp_rval; @@ -2871,8 +2870,8 @@ xfs_bmap_del_extent( len = del->br_blockcount; do_div(bno, mp->m_sb.sb_rextsize); do_div(len, mp->m_sb.sb_rextsize); - if ((error = xfs_rtfree_extent(ip->i_transp, bno, - (xfs_extlen_t)len))) + error = xfs_rtfree_extent(tp, bno, (xfs_extlen_t)len); + if (error) goto done; do_fx = 0; nblks = len * mp->m_sb.sb_rextsize; @@ -4080,7 +4079,7 @@ xfs_bmap_sanity_check( { struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); - if (be32_to_cpu(block->bb_magic) != XFS_BMAP_MAGIC || + if (block->bb_magic != cpu_to_be32(XFS_BMAP_MAGIC) || be16_to_cpu(block->bb_level) != level || be16_to_cpu(block->bb_numrecs) == 0 || be16_to_cpu(block->bb_numrecs) > mp->m_bmap_dmxr[level != 0]) @@ -4662,7 +4661,7 @@ xfs_bmapi( if (!wasdelay && (flags & XFS_BMAPI_PREALLOC)) got.br_state = XFS_EXT_UNWRITTEN; } - error = xfs_bmap_add_extent(ip, &lastx, &cur, &got, + error = xfs_bmap_add_extent(tp, ip, &lastx, &cur, &got, firstblock, flist, &tmp_logflags, whichfork); logflags |= tmp_logflags; @@ -4763,7 +4762,7 @@ xfs_bmapi( mval->br_state = (mval->br_state == XFS_EXT_UNWRITTEN) ? XFS_EXT_NORM : XFS_EXT_UNWRITTEN; - error = xfs_bmap_add_extent(ip, &lastx, &cur, mval, + error = xfs_bmap_add_extent(tp, ip, &lastx, &cur, mval, firstblock, flist, &tmp_logflags, whichfork); logflags |= tmp_logflags; @@ -5117,7 +5116,7 @@ xfs_bunmapi( del.br_blockcount = mod; } del.br_state = XFS_EXT_UNWRITTEN; - error = xfs_bmap_add_extent(ip, &lastx, &cur, &del, + error = xfs_bmap_add_extent(tp, ip, &lastx, &cur, &del, firstblock, flist, &logflags, XFS_DATA_FORK); if (error) @@ -5175,18 +5174,18 @@ xfs_bunmapi( } prev.br_state = XFS_EXT_UNWRITTEN; lastx--; - error = xfs_bmap_add_extent(ip, &lastx, &cur, - &prev, firstblock, flist, &logflags, - XFS_DATA_FORK); + error = xfs_bmap_add_extent(tp, ip, &lastx, + &cur, &prev, firstblock, flist, + &logflags, XFS_DATA_FORK); if (error) goto error0; goto nodelete; } else { ASSERT(del.br_state == XFS_EXT_NORM); del.br_state = XFS_EXT_UNWRITTEN; - error = xfs_bmap_add_extent(ip, &lastx, &cur, - &del, firstblock, flist, &logflags, - XFS_DATA_FORK); + error = xfs_bmap_add_extent(tp, ip, &lastx, + &cur, &del, firstblock, flist, + &logflags, XFS_DATA_FORK); if (error) goto error0; goto nodelete; diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c index 87d3c10b6954..e2f5d59cbeaf 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/xfs_bmap_btree.c @@ -33,7 +33,6 @@ #include "xfs_inode_item.h" #include "xfs_alloc.h" #include "xfs_btree.h" -#include "xfs_btree_trace.h" #include "xfs_itable.h" #include "xfs_bmap.h" #include "xfs_error.h" @@ -425,10 +424,10 @@ xfs_bmbt_to_bmdr( xfs_bmbt_key_t *tkp; __be64 *tpp; - ASSERT(be32_to_cpu(rblock->bb_magic) == XFS_BMAP_MAGIC); - ASSERT(be64_to_cpu(rblock->bb_u.l.bb_leftsib) == NULLDFSBNO); - ASSERT(be64_to_cpu(rblock->bb_u.l.bb_rightsib) == NULLDFSBNO); - ASSERT(be16_to_cpu(rblock->bb_level) > 0); + ASSERT(rblock->bb_magic == cpu_to_be32(XFS_BMAP_MAGIC)); + ASSERT(rblock->bb_u.l.bb_leftsib == cpu_to_be64(NULLDFSBNO)); + ASSERT(rblock->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO)); + ASSERT(rblock->bb_level != 0); dblock->bb_level = rblock->bb_level; dblock->bb_numrecs = rblock->bb_numrecs; dmxr = xfs_bmdr_maxrecs(mp, dblocklen, 0); @@ -732,95 +731,6 @@ xfs_bmbt_recs_inorder( } #endif /* DEBUG */ -#ifdef XFS_BTREE_TRACE -ktrace_t *xfs_bmbt_trace_buf; - -STATIC void -xfs_bmbt_trace_enter( - struct xfs_btree_cur *cur, - const char *func, - char *s, - int type, - int line, - __psunsigned_t a0, - __psunsigned_t a1, - __psunsigned_t a2, - __psunsigned_t a3, - __psunsigned_t a4, - __psunsigned_t a5, - __psunsigned_t a6, - __psunsigned_t a7, - __psunsigned_t a8, - __psunsigned_t a9, - __psunsigned_t a10) -{ - struct xfs_inode *ip = cur->bc_private.b.ip; - int whichfork = cur->bc_private.b.whichfork; - - ktrace_enter(xfs_bmbt_trace_buf, - (void *)((__psint_t)type | (whichfork << 8) | (line << 16)), - (void *)func, (void *)s, (void *)ip, (void *)cur, - (void *)a0, (void *)a1, (void *)a2, (void *)a3, - (void *)a4, (void *)a5, (void *)a6, (void *)a7, - (void *)a8, (void *)a9, (void *)a10); -} - -STATIC void -xfs_bmbt_trace_cursor( - struct xfs_btree_cur *cur, - __uint32_t *s0, - __uint64_t *l0, - __uint64_t *l1) -{ - struct xfs_bmbt_rec_host r; - - xfs_bmbt_set_all(&r, &cur->bc_rec.b); - - *s0 = (cur->bc_nlevels << 24) | - (cur->bc_private.b.flags << 16) | - cur->bc_private.b.allocated; - *l0 = r.l0; - *l1 = r.l1; -} - -STATIC void -xfs_bmbt_trace_key( - struct xfs_btree_cur *cur, - union xfs_btree_key *key, - __uint64_t *l0, - __uint64_t *l1) -{ - *l0 = be64_to_cpu(key->bmbt.br_startoff); - *l1 = 0; -} - -/* Endian flipping versions of the bmbt extraction functions */ -STATIC void -xfs_bmbt_disk_get_all( - xfs_bmbt_rec_t *r, - xfs_bmbt_irec_t *s) -{ - __xfs_bmbt_get_all(get_unaligned_be64(&r->l0), - get_unaligned_be64(&r->l1), s); -} - -STATIC void -xfs_bmbt_trace_record( - struct xfs_btree_cur *cur, - union xfs_btree_rec *rec, - __uint64_t *l0, - __uint64_t *l1, - __uint64_t *l2) -{ - struct xfs_bmbt_irec irec; - - xfs_bmbt_disk_get_all(&rec->bmbt, &irec); - *l0 = irec.br_startoff; - *l1 = irec.br_startblock; - *l2 = irec.br_blockcount; -} -#endif /* XFS_BTREE_TRACE */ - static const struct xfs_btree_ops xfs_bmbt_ops = { .rec_len = sizeof(xfs_bmbt_rec_t), .key_len = sizeof(xfs_bmbt_key_t), @@ -837,18 +747,10 @@ static const struct xfs_btree_ops xfs_bmbt_ops = { .init_rec_from_cur = xfs_bmbt_init_rec_from_cur, .init_ptr_from_cur = xfs_bmbt_init_ptr_from_cur, .key_diff = xfs_bmbt_key_diff, - #ifdef DEBUG .keys_inorder = xfs_bmbt_keys_inorder, .recs_inorder = xfs_bmbt_recs_inorder, #endif - -#ifdef XFS_BTREE_TRACE - .trace_enter = xfs_bmbt_trace_enter, - .trace_cursor = xfs_bmbt_trace_cursor, - .trace_key = xfs_bmbt_trace_key, - .trace_record = xfs_bmbt_trace_record, -#endif }; /* diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c index 2f9e97c128a0..cabf4b5604aa 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/xfs_btree.c @@ -32,7 +32,6 @@ #include "xfs_inode.h" #include "xfs_inode_item.h" #include "xfs_btree.h" -#include "xfs_btree_trace.h" #include "xfs_error.h" #include "xfs_trace.h" @@ -66,11 +65,11 @@ xfs_btree_check_lblock( be16_to_cpu(block->bb_numrecs) <= cur->bc_ops->get_maxrecs(cur, level) && block->bb_u.l.bb_leftsib && - (be64_to_cpu(block->bb_u.l.bb_leftsib) == NULLDFSBNO || + (block->bb_u.l.bb_leftsib == cpu_to_be64(NULLDFSBNO) || XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_u.l.bb_leftsib))) && block->bb_u.l.bb_rightsib && - (be64_to_cpu(block->bb_u.l.bb_rightsib) == NULLDFSBNO || + (block->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO) || XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_u.l.bb_rightsib))); if (unlikely(XFS_TEST_ERROR(!lblock_ok, mp, @@ -105,10 +104,10 @@ xfs_btree_check_sblock( be16_to_cpu(block->bb_level) == level && be16_to_cpu(block->bb_numrecs) <= cur->bc_ops->get_maxrecs(cur, level) && - (be32_to_cpu(block->bb_u.s.bb_leftsib) == NULLAGBLOCK || + (block->bb_u.s.bb_leftsib == cpu_to_be32(NULLAGBLOCK) || be32_to_cpu(block->bb_u.s.bb_leftsib) < agflen) && block->bb_u.s.bb_leftsib && - (be32_to_cpu(block->bb_u.s.bb_rightsib) == NULLAGBLOCK || + (block->bb_u.s.bb_rightsib == cpu_to_be32(NULLAGBLOCK) || be32_to_cpu(block->bb_u.s.bb_rightsib) < agflen) && block->bb_u.s.bb_rightsib; if (unlikely(XFS_TEST_ERROR(!sblock_ok, cur->bc_mp, @@ -511,9 +510,9 @@ xfs_btree_islastblock( block = xfs_btree_get_block(cur, level, &bp); xfs_btree_check_block(cur, block, level, bp); if (cur->bc_flags & XFS_BTREE_LONG_PTRS) - return be64_to_cpu(block->bb_u.l.bb_rightsib) == NULLDFSBNO; + return block->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO); else - return be32_to_cpu(block->bb_u.s.bb_rightsib) == NULLAGBLOCK; + return block->bb_u.s.bb_rightsib == cpu_to_be32(NULLAGBLOCK); } /* @@ -777,14 +776,14 @@ xfs_btree_setbuf( b = XFS_BUF_TO_BLOCK(bp); if (cur->bc_flags & XFS_BTREE_LONG_PTRS) { - if (be64_to_cpu(b->bb_u.l.bb_leftsib) == NULLDFSBNO) + if (b->bb_u.l.bb_leftsib == cpu_to_be64(NULLDFSBNO)) cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA; - if (be64_to_cpu(b->bb_u.l.bb_rightsib) == NULLDFSBNO) + if (b->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO)) cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA; } else { - if (be32_to_cpu(b->bb_u.s.bb_leftsib) == NULLAGBLOCK) + if (b->bb_u.s.bb_leftsib == cpu_to_be32(NULLAGBLOCK)) cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA; - if (be32_to_cpu(b->bb_u.s.bb_rightsib) == NULLAGBLOCK) + if (b->bb_u.s.bb_rightsib == cpu_to_be32(NULLAGBLOCK)) cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA; } } @@ -795,9 +794,9 @@ xfs_btree_ptr_is_null( union xfs_btree_ptr *ptr) { if (cur->bc_flags & XFS_BTREE_LONG_PTRS) - return be64_to_cpu(ptr->l) == NULLDFSBNO; + return ptr->l == cpu_to_be64(NULLDFSBNO); else - return be32_to_cpu(ptr->s) == NULLAGBLOCK; + return ptr->s == cpu_to_be32(NULLAGBLOCK); } STATIC void @@ -923,12 +922,12 @@ xfs_btree_ptr_to_daddr( union xfs_btree_ptr *ptr) { if (cur->bc_flags & XFS_BTREE_LONG_PTRS) { - ASSERT(be64_to_cpu(ptr->l) != NULLDFSBNO); + ASSERT(ptr->l != cpu_to_be64(NULLDFSBNO)); return XFS_FSB_TO_DADDR(cur->bc_mp, be64_to_cpu(ptr->l)); } else { ASSERT(cur->bc_private.a.agno != NULLAGNUMBER); - ASSERT(be32_to_cpu(ptr->s) != NULLAGBLOCK); + ASSERT(ptr->s != cpu_to_be32(NULLAGBLOCK)); return XFS_AGB_TO_DADDR(cur->bc_mp, cur->bc_private.a.agno, be32_to_cpu(ptr->s)); diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h index 82fafc66bd1f..8d05a6a46ce3 100644 --- a/fs/xfs/xfs_btree.h +++ b/fs/xfs/xfs_btree.h @@ -199,25 +199,6 @@ struct xfs_btree_ops { union xfs_btree_rec *r1, union xfs_btree_rec *r2); #endif - - /* btree tracing */ -#ifdef XFS_BTREE_TRACE - void (*trace_enter)(struct xfs_btree_cur *, const char *, - char *, int, int, __psunsigned_t, - __psunsigned_t, __psunsigned_t, - __psunsigned_t, __psunsigned_t, - __psunsigned_t, __psunsigned_t, - __psunsigned_t, __psunsigned_t, - __psunsigned_t, __psunsigned_t); - void (*trace_cursor)(struct xfs_btree_cur *, __uint32_t *, - __uint64_t *, __uint64_t *); - void (*trace_key)(struct xfs_btree_cur *, - union xfs_btree_key *, __uint64_t *, - __uint64_t *); - void (*trace_record)(struct xfs_btree_cur *, - union xfs_btree_rec *, __uint64_t *, - __uint64_t *, __uint64_t *); -#endif }; /* @@ -452,4 +433,23 @@ static inline int xfs_btree_get_level(struct xfs_btree_block *block) (XFS_FSB_TO_AGNO(mp, fsb) < mp->m_sb.sb_agcount && \ XFS_FSB_TO_AGBNO(mp, fsb) < mp->m_sb.sb_agblocks) +/* + * Trace hooks. Currently not implemented as they need to be ported + * over to the generic tracing functionality, which is some effort. + * + * i,j = integer (32 bit) + * b = btree block buffer (xfs_buf_t) + * p = btree ptr + * r = btree record + * k = btree key + */ +#define XFS_BTREE_TRACE_ARGBI(c, b, i) +#define XFS_BTREE_TRACE_ARGBII(c, b, i, j) +#define XFS_BTREE_TRACE_ARGI(c, i) +#define XFS_BTREE_TRACE_ARGIPK(c, i, p, s) +#define XFS_BTREE_TRACE_ARGIPR(c, i, p, r) +#define XFS_BTREE_TRACE_ARGIK(c, i, k) +#define XFS_BTREE_TRACE_ARGR(c, r) +#define XFS_BTREE_TRACE_CURSOR(c, t) + #endif /* __XFS_BTREE_H__ */ diff --git a/fs/xfs/xfs_btree_trace.c b/fs/xfs/xfs_btree_trace.c deleted file mode 100644 index 44ff942a0fda..000000000000 --- a/fs/xfs/xfs_btree_trace.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * Copyright (c) 2008 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include "xfs.h" -#include "xfs_types.h" -#include "xfs_inum.h" -#include "xfs_bmap_btree.h" -#include "xfs_alloc_btree.h" -#include "xfs_ialloc_btree.h" -#include "xfs_inode.h" -#include "xfs_btree.h" -#include "xfs_btree_trace.h" - -STATIC void -xfs_btree_trace_ptr( - struct xfs_btree_cur *cur, - union xfs_btree_ptr ptr, - __psunsigned_t *high, - __psunsigned_t *low) -{ - if (cur->bc_flags & XFS_BTREE_LONG_PTRS) { - __u64 val = be64_to_cpu(ptr.l); - *high = val >> 32; - *low = (int)val; - } else { - *high = 0; - *low = be32_to_cpu(ptr.s); - } -} - -/* - * Add a trace buffer entry for arguments, for a buffer & 1 integer arg. - */ -void -xfs_btree_trace_argbi( - const char *func, - struct xfs_btree_cur *cur, - struct xfs_buf *b, - int i, - int line) -{ - cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGBI, - line, (__psunsigned_t)b, i, 0, 0, 0, 0, 0, - 0, 0, 0, 0); -} - -/* - * Add a trace buffer entry for arguments, for a buffer & 2 integer args. - */ -void -xfs_btree_trace_argbii( - const char *func, - struct xfs_btree_cur *cur, - struct xfs_buf *b, - int i0, - int i1, - int line) -{ - cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGBII, - line, (__psunsigned_t)b, i0, i1, 0, 0, 0, 0, - 0, 0, 0, 0); -} - -/* - * Add a trace buffer entry for arguments, for 3 block-length args - * and an integer arg. - */ -void -xfs_btree_trace_argfffi( - const char *func, - struct xfs_btree_cur *cur, - xfs_dfiloff_t o, - xfs_dfsbno_t b, - xfs_dfilblks_t i, - int j, - int line) -{ - cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGFFFI, - line, - o >> 32, (int)o, - b >> 32, (int)b, - i >> 32, (int)i, - (int)j, 0, 0, 0, 0); -} - -/* - * Add a trace buffer entry for arguments, for one integer arg. - */ -void -xfs_btree_trace_argi( - const char *func, - struct xfs_btree_cur *cur, - int i, - int line) -{ - cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGI, - line, i, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); -} - -/* - * Add a trace buffer entry for arguments, for int, fsblock, key. - */ -void -xfs_btree_trace_argipk( - const char *func, - struct xfs_btree_cur *cur, - int i, - union xfs_btree_ptr ptr, - union xfs_btree_key *key, - int line) -{ - __psunsigned_t high, low; - __uint64_t l0, l1; - - xfs_btree_trace_ptr(cur, ptr, &high, &low); - cur->bc_ops->trace_key(cur, key, &l0, &l1); - cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIPK, - line, i, high, low, - l0 >> 32, (int)l0, - l1 >> 32, (int)l1, - 0, 0, 0, 0); -} - -/* - * Add a trace buffer entry for arguments, for int, fsblock, rec. - */ -void -xfs_btree_trace_argipr( - const char *func, - struct xfs_btree_cur *cur, - int i, - union xfs_btree_ptr ptr, - union xfs_btree_rec *rec, - int line) -{ - __psunsigned_t high, low; - __uint64_t l0, l1, l2; - - xfs_btree_trace_ptr(cur, ptr, &high, &low); - cur->bc_ops->trace_record(cur, rec, &l0, &l1, &l2); - cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIPR, - line, i, - high, low, - l0 >> 32, (int)l0, - l1 >> 32, (int)l1, - l2 >> 32, (int)l2, - 0, 0); -} - -/* - * Add a trace buffer entry for arguments, for int, key. - */ -void -xfs_btree_trace_argik( - const char *func, - struct xfs_btree_cur *cur, - int i, - union xfs_btree_key *key, - int line) -{ - __uint64_t l0, l1; - - cur->bc_ops->trace_key(cur, key, &l0, &l1); - cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIK, - line, i, - l0 >> 32, (int)l0, - l1 >> 32, (int)l1, - 0, 0, 0, 0, 0, 0); -} - -/* - * Add a trace buffer entry for arguments, for record. - */ -void -xfs_btree_trace_argr( - const char *func, - struct xfs_btree_cur *cur, - union xfs_btree_rec *rec, - int line) -{ - __uint64_t l0, l1, l2; - - cur->bc_ops->trace_record(cur, rec, &l0, &l1, &l2); - cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGR, - line, - l0 >> 32, (int)l0, - l1 >> 32, (int)l1, - l2 >> 32, (int)l2, - 0, 0, 0, 0, 0); -} - -/* - * Add a trace buffer entry for the cursor/operation. - */ -void -xfs_btree_trace_cursor( - const char *func, - struct xfs_btree_cur *cur, - int type, - int line) -{ - __uint32_t s0; - __uint64_t l0, l1; - char *s; - - switch (type) { - case XBT_ARGS: - s = "args"; - break; - case XBT_ENTRY: - s = "entry"; - break; - case XBT_ERROR: - s = "error"; - break; - case XBT_EXIT: - s = "exit"; - break; - default: - s = "unknown"; - break; - } - - cur->bc_ops->trace_cursor(cur, &s0, &l0, &l1); - cur->bc_ops->trace_enter(cur, func, s, XFS_BTREE_KTRACE_CUR, line, - s0, - l0 >> 32, (int)l0, - l1 >> 32, (int)l1, - (__psunsigned_t)cur->bc_bufs[0], - (__psunsigned_t)cur->bc_bufs[1], - (__psunsigned_t)cur->bc_bufs[2], - (__psunsigned_t)cur->bc_bufs[3], - (cur->bc_ptrs[0] << 16) | cur->bc_ptrs[1], - (cur->bc_ptrs[2] << 16) | cur->bc_ptrs[3]); -} diff --git a/fs/xfs/xfs_btree_trace.h b/fs/xfs/xfs_btree_trace.h deleted file mode 100644 index 2d8a309873ea..000000000000 --- a/fs/xfs/xfs_btree_trace.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Copyright (c) 2008 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_BTREE_TRACE_H__ -#define __XFS_BTREE_TRACE_H__ - -struct xfs_btree_cur; -struct xfs_buf; - - -/* - * Trace hooks. - * i,j = integer (32 bit) - * b = btree block buffer (xfs_buf_t) - * p = btree ptr - * r = btree record - * k = btree key - */ - -#ifdef XFS_BTREE_TRACE - -/* - * Trace buffer entry types. - */ -#define XFS_BTREE_KTRACE_ARGBI 1 -#define XFS_BTREE_KTRACE_ARGBII 2 -#define XFS_BTREE_KTRACE_ARGFFFI 3 -#define XFS_BTREE_KTRACE_ARGI 4 -#define XFS_BTREE_KTRACE_ARGIPK 5 -#define XFS_BTREE_KTRACE_ARGIPR 6 -#define XFS_BTREE_KTRACE_ARGIK 7 -#define XFS_BTREE_KTRACE_ARGR 8 -#define XFS_BTREE_KTRACE_CUR 9 - -/* - * Sub-types for cursor traces. - */ -#define XBT_ARGS 0 -#define XBT_ENTRY 1 -#define XBT_ERROR 2 -#define XBT_EXIT 3 - -void xfs_btree_trace_argbi(const char *, struct xfs_btree_cur *, - struct xfs_buf *, int, int); -void xfs_btree_trace_argbii(const char *, struct xfs_btree_cur *, - struct xfs_buf *, int, int, int); -void xfs_btree_trace_argi(const char *, struct xfs_btree_cur *, int, int); -void xfs_btree_trace_argipk(const char *, struct xfs_btree_cur *, int, - union xfs_btree_ptr, union xfs_btree_key *, int); -void xfs_btree_trace_argipr(const char *, struct xfs_btree_cur *, int, - union xfs_btree_ptr, union xfs_btree_rec *, int); -void xfs_btree_trace_argik(const char *, struct xfs_btree_cur *, int, - union xfs_btree_key *, int); -void xfs_btree_trace_argr(const char *, struct xfs_btree_cur *, - union xfs_btree_rec *, int); -void xfs_btree_trace_cursor(const char *, struct xfs_btree_cur *, int, int); - -#define XFS_BTREE_TRACE_ARGBI(c, b, i) \ - xfs_btree_trace_argbi(__func__, c, b, i, __LINE__) -#define XFS_BTREE_TRACE_ARGBII(c, b, i, j) \ - xfs_btree_trace_argbii(__func__, c, b, i, j, __LINE__) -#define XFS_BTREE_TRACE_ARGI(c, i) \ - xfs_btree_trace_argi(__func__, c, i, __LINE__) -#define XFS_BTREE_TRACE_ARGIPK(c, i, p, k) \ - xfs_btree_trace_argipk(__func__, c, i, p, k, __LINE__) -#define XFS_BTREE_TRACE_ARGIPR(c, i, p, r) \ - xfs_btree_trace_argipr(__func__, c, i, p, r, __LINE__) -#define XFS_BTREE_TRACE_ARGIK(c, i, k) \ - xfs_btree_trace_argik(__func__, c, i, k, __LINE__) -#define XFS_BTREE_TRACE_ARGR(c, r) \ - xfs_btree_trace_argr(__func__, c, r, __LINE__) -#define XFS_BTREE_TRACE_CURSOR(c, t) \ - xfs_btree_trace_cursor(__func__, c, t, __LINE__) -#else -#define XFS_BTREE_TRACE_ARGBI(c, b, i) -#define XFS_BTREE_TRACE_ARGBII(c, b, i, j) -#define XFS_BTREE_TRACE_ARGI(c, i) -#define XFS_BTREE_TRACE_ARGIPK(c, i, p, s) -#define XFS_BTREE_TRACE_ARGIPR(c, i, p, r) -#define XFS_BTREE_TRACE_ARGIK(c, i, k) -#define XFS_BTREE_TRACE_ARGR(c, r) -#define XFS_BTREE_TRACE_CURSOR(c, t) -#endif /* XFS_BTREE_TRACE */ - -#endif /* __XFS_BTREE_TRACE_H__ */ diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 7b7e005e3dcc..88492916c3dc 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -90,13 +90,11 @@ xfs_buf_item_flush_log_debug( uint first, uint last) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; uint nbytes; - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*); - if ((bip == NULL) || (bip->bli_item.li_type != XFS_LI_BUF)) { + if (bip == NULL || (bip->bli_item.li_type != XFS_LI_BUF)) return; - } ASSERT(bip->bli_logged != NULL); nbytes = last - first + 1; @@ -408,7 +406,7 @@ xfs_buf_item_unpin( int stale = bip->bli_flags & XFS_BLI_STALE; int freed; - ASSERT(XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *) == bip); + ASSERT(bp->b_fspriv == bip); ASSERT(atomic_read(&bip->bli_refcount) > 0); trace_xfs_buf_item_unpin(bip); @@ -420,7 +418,7 @@ xfs_buf_item_unpin( if (freed && stale) { ASSERT(bip->bli_flags & XFS_BLI_STALE); - ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); + ASSERT(xfs_buf_islocked(bp)); ASSERT(!(XFS_BUF_ISDELAYWRITE(bp))); ASSERT(XFS_BUF_ISSTALE(bp)); ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL); @@ -443,7 +441,7 @@ xfs_buf_item_unpin( * Since the transaction no longer refers to the buffer, * the buffer should no longer refer to the transaction. */ - XFS_BUF_SET_FSPRIVATE2(bp, NULL); + bp->b_transp = NULL; } /* @@ -454,13 +452,13 @@ xfs_buf_item_unpin( */ if (bip->bli_flags & XFS_BLI_STALE_INODE) { xfs_buf_do_callbacks(bp); - XFS_BUF_SET_FSPRIVATE(bp, NULL); - XFS_BUF_CLR_IODONE_FUNC(bp); + bp->b_fspriv = NULL; + bp->b_iodone = NULL; } else { spin_lock(&ailp->xa_lock); xfs_trans_ail_delete(ailp, (xfs_log_item_t *)bip); xfs_buf_item_relse(bp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) == NULL); + ASSERT(bp->b_fspriv == NULL); } xfs_buf_relse(bp); } @@ -483,7 +481,7 @@ xfs_buf_item_trylock( if (XFS_BUF_ISPINNED(bp)) return XFS_ITEM_PINNED; - if (!XFS_BUF_CPSEMA(bp)) + if (!xfs_buf_trylock(bp)) return XFS_ITEM_LOCKED; /* take a reference to the buffer. */ @@ -525,7 +523,7 @@ xfs_buf_item_unlock( uint hold; /* Clear the buffer's association with this transaction. */ - XFS_BUF_SET_FSPRIVATE2(bp, NULL); + bp->b_transp = NULL; /* * If this is a transaction abort, don't return early. Instead, allow @@ -684,7 +682,7 @@ xfs_buf_item_init( xfs_buf_t *bp, xfs_mount_t *mp) { - xfs_log_item_t *lip; + xfs_log_item_t *lip = bp->b_fspriv; xfs_buf_log_item_t *bip; int chunks; int map_size; @@ -696,12 +694,8 @@ xfs_buf_item_init( * nothing to do here so return. */ ASSERT(bp->b_target->bt_mount == mp); - if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) { - lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *); - if (lip->li_type == XFS_LI_BUF) { - return; - } - } + if (lip != NULL && lip->li_type == XFS_LI_BUF) + return; /* * chunks is the number of XFS_BLF_CHUNK size pieces @@ -740,11 +734,9 @@ xfs_buf_item_init( * Put the buf item into the list of items attached to the * buffer at the front. */ - if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) { - bip->bli_item.li_bio_list = - XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *); - } - XFS_BUF_SET_FSPRIVATE(bp, bip); + if (bp->b_fspriv) + bip->bli_item.li_bio_list = bp->b_fspriv; + bp->b_fspriv = bip; } @@ -876,12 +868,11 @@ xfs_buf_item_relse( trace_xfs_buf_item_relse(bp, _RET_IP_); - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*); - XFS_BUF_SET_FSPRIVATE(bp, bip->bli_item.li_bio_list); - if ((XFS_BUF_FSPRIVATE(bp, void *) == NULL) && - (XFS_BUF_IODONE_FUNC(bp) != NULL)) { - XFS_BUF_CLR_IODONE_FUNC(bp); - } + bip = bp->b_fspriv; + bp->b_fspriv = bip->bli_item.li_bio_list; + if (bp->b_fspriv == NULL) + bp->b_iodone = NULL; + xfs_buf_rele(bp); xfs_buf_item_free(bip); } @@ -905,20 +896,20 @@ xfs_buf_attach_iodone( xfs_log_item_t *head_lip; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); + ASSERT(xfs_buf_islocked(bp)); lip->li_cb = cb; - if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) { - head_lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *); + head_lip = bp->b_fspriv; + if (head_lip) { lip->li_bio_list = head_lip->li_bio_list; head_lip->li_bio_list = lip; } else { - XFS_BUF_SET_FSPRIVATE(bp, lip); + bp->b_fspriv = lip; } - ASSERT((XFS_BUF_IODONE_FUNC(bp) == xfs_buf_iodone_callbacks) || - (XFS_BUF_IODONE_FUNC(bp) == NULL)); - XFS_BUF_SET_IODONE_FUNC(bp, xfs_buf_iodone_callbacks); + ASSERT(bp->b_iodone == NULL || + bp->b_iodone == xfs_buf_iodone_callbacks); + bp->b_iodone = xfs_buf_iodone_callbacks; } /* @@ -939,8 +930,8 @@ xfs_buf_do_callbacks( { struct xfs_log_item *lip; - while ((lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *)) != NULL) { - XFS_BUF_SET_FSPRIVATE(bp, lip->li_bio_list); + while ((lip = bp->b_fspriv) != NULL) { + bp->b_fspriv = lip->li_bio_list; ASSERT(lip->li_cb != NULL); /* * Clear the next pointer so we don't have any @@ -1007,7 +998,7 @@ xfs_buf_iodone_callbacks( XFS_BUF_DONE(bp); XFS_BUF_SET_START(bp); } - ASSERT(XFS_BUF_IODONE_FUNC(bp)); + ASSERT(bp->b_iodone != NULL); trace_xfs_buf_item_iodone_async(bp, _RET_IP_); xfs_buf_relse(bp); return; @@ -1026,8 +1017,8 @@ xfs_buf_iodone_callbacks( do_callbacks: xfs_buf_do_callbacks(bp); - XFS_BUF_SET_FSPRIVATE(bp, NULL); - XFS_BUF_CLR_IODONE_FUNC(bp); + bp->b_fspriv = NULL; + bp->b_iodone = NULL; xfs_buf_ioend(bp, 0); } diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index 6102ac6d1dff..2925726529f8 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -24,11 +24,12 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir2.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir2_sf.h" +#include "xfs_dir2.h" +#include "xfs_dir2_format.h" +#include "xfs_dir2_priv.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" @@ -36,10 +37,6 @@ #include "xfs_bmap.h" #include "xfs_attr.h" #include "xfs_attr_leaf.h" -#include "xfs_dir2_data.h" -#include "xfs_dir2_leaf.h" -#include "xfs_dir2_block.h" -#include "xfs_dir2_node.h" #include "xfs_error.h" #include "xfs_trace.h" @@ -89,7 +86,7 @@ STATIC void xfs_da_node_unbalance(xfs_da_state_t *state, */ STATIC uint xfs_da_node_lasthash(xfs_dabuf_t *bp, int *count); STATIC int xfs_da_node_order(xfs_dabuf_t *node1_bp, xfs_dabuf_t *node2_bp); -STATIC xfs_dabuf_t *xfs_da_buf_make(int nbuf, xfs_buf_t **bps, inst_t *ra); +STATIC xfs_dabuf_t *xfs_da_buf_make(int nbuf, xfs_buf_t **bps); STATIC int xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk, xfs_da_state_blk_t *save_blk); @@ -321,11 +318,11 @@ xfs_da_root_split(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, ASSERT(bp != NULL); node = bp->data; oldroot = blk1->bp->data; - if (be16_to_cpu(oldroot->hdr.info.magic) == XFS_DA_NODE_MAGIC) { + if (oldroot->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)) { size = (int)((char *)&oldroot->btree[be16_to_cpu(oldroot->hdr.count)] - (char *)oldroot); } else { - ASSERT(be16_to_cpu(oldroot->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(oldroot->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); leaf = (xfs_dir2_leaf_t *)oldroot; size = (int)((char *)&leaf->ents[be16_to_cpu(leaf->hdr.count)] - (char *)leaf); @@ -352,7 +349,7 @@ xfs_da_root_split(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, node->hdr.count = cpu_to_be16(2); #ifdef DEBUG - if (be16_to_cpu(oldroot->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC) { + if (oldroot->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)) { ASSERT(blk1->blkno >= mp->m_dirleafblk && blk1->blkno < mp->m_dirfreeblk); ASSERT(blk2->blkno >= mp->m_dirleafblk && @@ -384,7 +381,7 @@ xfs_da_node_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk, int useextra; node = oldblk->bp->data; - ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC); + ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); /* * With V2 dirs the extra block is data or freespace. @@ -483,8 +480,8 @@ xfs_da_node_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, node1 = node2; node2 = tmpnode; } - ASSERT(be16_to_cpu(node1->hdr.info.magic) == XFS_DA_NODE_MAGIC); - ASSERT(be16_to_cpu(node2->hdr.info.magic) == XFS_DA_NODE_MAGIC); + ASSERT(node1->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); + ASSERT(node2->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); count = (be16_to_cpu(node1->hdr.count) - be16_to_cpu(node2->hdr.count)) / 2; if (count == 0) return; @@ -578,7 +575,7 @@ xfs_da_node_add(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk, int tmp; node = oldblk->bp->data; - ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC); + ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); ASSERT((oldblk->index >= 0) && (oldblk->index <= be16_to_cpu(node->hdr.count))); ASSERT(newblk->blkno != 0); if (state->args->whichfork == XFS_DATA_FORK) @@ -714,7 +711,7 @@ xfs_da_root_join(xfs_da_state_t *state, xfs_da_state_blk_t *root_blk) ASSERT(args != NULL); ASSERT(root_blk->magic == XFS_DA_NODE_MAGIC); oldroot = root_blk->bp->data; - ASSERT(be16_to_cpu(oldroot->hdr.info.magic) == XFS_DA_NODE_MAGIC); + ASSERT(oldroot->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); ASSERT(!oldroot->hdr.info.forw); ASSERT(!oldroot->hdr.info.back); @@ -737,10 +734,10 @@ xfs_da_root_join(xfs_da_state_t *state, xfs_da_state_blk_t *root_blk) ASSERT(bp != NULL); blkinfo = bp->data; if (be16_to_cpu(oldroot->hdr.level) == 1) { - ASSERT(be16_to_cpu(blkinfo->magic) == XFS_DIR2_LEAFN_MAGIC || - be16_to_cpu(blkinfo->magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(blkinfo->magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) || + blkinfo->magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); } else { - ASSERT(be16_to_cpu(blkinfo->magic) == XFS_DA_NODE_MAGIC); + ASSERT(blkinfo->magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); } ASSERT(!blkinfo->forw); ASSERT(!blkinfo->back); @@ -776,7 +773,7 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action) */ blk = &state->path.blk[ state->path.active-1 ]; info = blk->bp->data; - ASSERT(be16_to_cpu(info->magic) == XFS_DA_NODE_MAGIC); + ASSERT(info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); node = (xfs_da_intnode_t *)info; count = be16_to_cpu(node->hdr.count); if (count > (state->node_ents >> 1)) { @@ -836,7 +833,7 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action) count -= state->node_ents >> 2; count -= be16_to_cpu(node->hdr.count); node = bp->data; - ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC); + ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); count -= be16_to_cpu(node->hdr.count); xfs_da_brelse(state->args->trans, bp); if (count >= 0) @@ -911,7 +908,7 @@ xfs_da_fixhashpath(xfs_da_state_t *state, xfs_da_state_path_t *path) } for (blk--, level--; level >= 0; blk--, level--) { node = blk->bp->data; - ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC); + ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); btree = &node->btree[ blk->index ]; if (be32_to_cpu(btree->hashval) == lasthash) break; @@ -979,8 +976,8 @@ xfs_da_node_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk, drop_node = drop_blk->bp->data; save_node = save_blk->bp->data; - ASSERT(be16_to_cpu(drop_node->hdr.info.magic) == XFS_DA_NODE_MAGIC); - ASSERT(be16_to_cpu(save_node->hdr.info.magic) == XFS_DA_NODE_MAGIC); + ASSERT(drop_node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); + ASSERT(save_node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); tp = state->args->trans; /* @@ -1278,8 +1275,8 @@ xfs_da_node_order(xfs_dabuf_t *node1_bp, xfs_dabuf_t *node2_bp) node1 = node1_bp->data; node2 = node2_bp->data; - ASSERT((be16_to_cpu(node1->hdr.info.magic) == XFS_DA_NODE_MAGIC) && - (be16_to_cpu(node2->hdr.info.magic) == XFS_DA_NODE_MAGIC)); + ASSERT(node1->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC) && + node2->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); if ((be16_to_cpu(node1->hdr.count) > 0) && (be16_to_cpu(node2->hdr.count) > 0) && ((be32_to_cpu(node2->btree[0].hashval) < be32_to_cpu(node1->btree[0].hashval)) || @@ -1299,7 +1296,7 @@ xfs_da_node_lasthash(xfs_dabuf_t *bp, int *count) xfs_da_intnode_t *node; node = bp->data; - ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC); + ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); if (count) *count = be16_to_cpu(node->hdr.count); if (!node->hdr.count) @@ -1412,7 +1409,7 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path, for (blk = &path->blk[level]; level >= 0; blk--, level--) { ASSERT(blk->bp != NULL); node = blk->bp->data; - ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC); + ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); if (forward && (blk->index < be16_to_cpu(node->hdr.count)-1)) { blk->index++; blkno = be32_to_cpu(node->btree[blk->index].before); @@ -1451,9 +1448,9 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path, return(error); ASSERT(blk->bp != NULL); info = blk->bp->data; - ASSERT(be16_to_cpu(info->magic) == XFS_DA_NODE_MAGIC || - be16_to_cpu(info->magic) == XFS_DIR2_LEAFN_MAGIC || - be16_to_cpu(info->magic) == XFS_ATTR_LEAF_MAGIC); + ASSERT(info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC) || + info->magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) || + info->magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); blk->magic = be16_to_cpu(info->magic); if (blk->magic == XFS_DA_NODE_MAGIC) { node = (xfs_da_intnode_t *)info; @@ -1546,79 +1543,62 @@ const struct xfs_nameops xfs_default_nameops = { .compname = xfs_da_compname }; -/* - * Add a block to the btree ahead of the file. - * Return the new block number to the caller. - */ int -xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno) +xfs_da_grow_inode_int( + struct xfs_da_args *args, + xfs_fileoff_t *bno, + int count) { - xfs_fileoff_t bno, b; - xfs_bmbt_irec_t map; - xfs_bmbt_irec_t *mapp; - xfs_inode_t *dp; - int nmap, error, w, count, c, got, i, mapi; - xfs_trans_t *tp; - xfs_mount_t *mp; - xfs_drfsbno_t nblks; + struct xfs_trans *tp = args->trans; + struct xfs_inode *dp = args->dp; + int w = args->whichfork; + xfs_drfsbno_t nblks = dp->i_d.di_nblocks; + struct xfs_bmbt_irec map, *mapp; + int nmap, error, got, i, mapi; - dp = args->dp; - mp = dp->i_mount; - w = args->whichfork; - tp = args->trans; - nblks = dp->i_d.di_nblocks; - - /* - * For new directories adjust the file offset and block count. - */ - if (w == XFS_DATA_FORK) { - bno = mp->m_dirleafblk; - count = mp->m_dirblkfsbs; - } else { - bno = 0; - count = 1; - } /* * Find a spot in the file space to put the new block. */ - if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, w))) + error = xfs_bmap_first_unused(tp, dp, count, bno, w); + if (error) return error; - if (w == XFS_DATA_FORK) - ASSERT(bno >= mp->m_dirleafblk && bno < mp->m_dirfreeblk); + /* * Try mapping it in one filesystem block. */ nmap = 1; ASSERT(args->firstblock != NULL); - if ((error = xfs_bmapi(tp, dp, bno, count, + error = xfs_bmapi(tp, dp, *bno, count, xfs_bmapi_aflag(w)|XFS_BMAPI_WRITE|XFS_BMAPI_METADATA| XFS_BMAPI_CONTIG, args->firstblock, args->total, &map, &nmap, - args->flist))) { + args->flist); + if (error) return error; - } + ASSERT(nmap <= 1); if (nmap == 1) { mapp = ↦ mapi = 1; - } - /* - * If we didn't get it and the block might work if fragmented, - * try without the CONTIG flag. Loop until we get it all. - */ - else if (nmap == 0 && count > 1) { + } else if (nmap == 0 && count > 1) { + xfs_fileoff_t b; + int c; + + /* + * If we didn't get it and the block might work if fragmented, + * try without the CONTIG flag. Loop until we get it all. + */ mapp = kmem_alloc(sizeof(*mapp) * count, KM_SLEEP); - for (b = bno, mapi = 0; b < bno + count; ) { + for (b = *bno, mapi = 0; b < *bno + count; ) { nmap = MIN(XFS_BMAP_MAX_NMAP, count); - c = (int)(bno + count - b); - if ((error = xfs_bmapi(tp, dp, b, c, + c = (int)(*bno + count - b); + error = xfs_bmapi(tp, dp, b, c, xfs_bmapi_aflag(w)|XFS_BMAPI_WRITE| XFS_BMAPI_METADATA, args->firstblock, args->total, - &mapp[mapi], &nmap, args->flist))) { - kmem_free(mapp); - return error; - } + &mapp[mapi], &nmap, args->flist); + if (error) + goto out_free_map; if (nmap < 1) break; mapi += nmap; @@ -1629,24 +1609,53 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno) mapi = 0; mapp = NULL; } + /* * Count the blocks we got, make sure it matches the total. */ for (i = 0, got = 0; i < mapi; i++) got += mapp[i].br_blockcount; - if (got != count || mapp[0].br_startoff != bno || + if (got != count || mapp[0].br_startoff != *bno || mapp[mapi - 1].br_startoff + mapp[mapi - 1].br_blockcount != - bno + count) { - if (mapp != &map) - kmem_free(mapp); - return XFS_ERROR(ENOSPC); + *bno + count) { + error = XFS_ERROR(ENOSPC); + goto out_free_map; } - if (mapp != &map) - kmem_free(mapp); + /* account for newly allocated blocks in reserved blocks total */ args->total -= dp->i_d.di_nblocks - nblks; - *new_blkno = (xfs_dablk_t)bno; - return 0; + +out_free_map: + if (mapp != &map) + kmem_free(mapp); + return error; +} + +/* + * Add a block to the btree ahead of the file. + * Return the new block number to the caller. + */ +int +xfs_da_grow_inode( + struct xfs_da_args *args, + xfs_dablk_t *new_blkno) +{ + xfs_fileoff_t bno; + int count; + int error; + + if (args->whichfork == XFS_DATA_FORK) { + bno = args->dp->i_mount->m_dirleafblk; + count = args->dp->i_mount->m_dirblkfsbs; + } else { + bno = 0; + count = 1; + } + + error = xfs_da_grow_inode_int(args, &bno, count); + if (!error) + *new_blkno = (xfs_dablk_t)bno; + return error; } /* @@ -1704,12 +1713,12 @@ xfs_da_swap_lastblock(xfs_da_args_t *args, xfs_dablk_t *dead_blknop, /* * Get values from the moved block. */ - if (be16_to_cpu(dead_info->magic) == XFS_DIR2_LEAFN_MAGIC) { + if (dead_info->magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)) { dead_leaf2 = (xfs_dir2_leaf_t *)dead_info; dead_level = 0; dead_hash = be32_to_cpu(dead_leaf2->ents[be16_to_cpu(dead_leaf2->hdr.count) - 1].hashval); } else { - ASSERT(be16_to_cpu(dead_info->magic) == XFS_DA_NODE_MAGIC); + ASSERT(dead_info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); dead_node = (xfs_da_intnode_t *)dead_info; dead_level = be16_to_cpu(dead_node->hdr.level); dead_hash = be32_to_cpu(dead_node->btree[be16_to_cpu(dead_node->hdr.count) - 1].hashval); @@ -1768,8 +1777,8 @@ xfs_da_swap_lastblock(xfs_da_args_t *args, xfs_dablk_t *dead_blknop, if ((error = xfs_da_read_buf(tp, ip, par_blkno, -1, &par_buf, w))) goto done; par_node = par_buf->data; - if (unlikely( - be16_to_cpu(par_node->hdr.info.magic) != XFS_DA_NODE_MAGIC || + if (unlikely(par_node->hdr.info.magic != + cpu_to_be16(XFS_DA_NODE_MAGIC) || (level >= 0 && level != be16_to_cpu(par_node->hdr.level) + 1))) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(4)", XFS_ERRLEVEL_LOW, mp); @@ -1820,7 +1829,7 @@ xfs_da_swap_lastblock(xfs_da_args_t *args, xfs_dablk_t *dead_blknop, par_node = par_buf->data; if (unlikely( be16_to_cpu(par_node->hdr.level) != level || - be16_to_cpu(par_node->hdr.info.magic) != XFS_DA_NODE_MAGIC)) { + par_node->hdr.info.magic != cpu_to_be16(XFS_DA_NODE_MAGIC))) { XFS_ERROR_REPORT("xfs_da_swap_lastblock(7)", XFS_ERRLEVEL_LOW, mp); error = XFS_ERROR(EFSCORRUPTED); @@ -1930,8 +1939,7 @@ xfs_da_do_buf( xfs_daddr_t *mappedbnop, xfs_dabuf_t **bpp, int whichfork, - int caller, - inst_t *ra) + int caller) { xfs_buf_t *bp = NULL; xfs_buf_t **bplist; @@ -2070,25 +2078,22 @@ xfs_da_do_buf( * Build a dabuf structure. */ if (bplist) { - rbp = xfs_da_buf_make(nbplist, bplist, ra); + rbp = xfs_da_buf_make(nbplist, bplist); } else if (bp) - rbp = xfs_da_buf_make(1, &bp, ra); + rbp = xfs_da_buf_make(1, &bp); else rbp = NULL; /* * For read_buf, check the magic number. */ if (caller == 1) { - xfs_dir2_data_t *data; - xfs_dir2_free_t *free; - xfs_da_blkinfo_t *info; + xfs_dir2_data_hdr_t *hdr = rbp->data; + xfs_dir2_free_t *free = rbp->data; + xfs_da_blkinfo_t *info = rbp->data; uint magic, magic1; - info = rbp->data; - data = rbp->data; - free = rbp->data; magic = be16_to_cpu(info->magic); - magic1 = be32_to_cpu(data->hdr.magic); + magic1 = be32_to_cpu(hdr->magic); if (unlikely( XFS_TEST_ERROR((magic != XFS_DA_NODE_MAGIC) && (magic != XFS_ATTR_LEAF_MAGIC) && @@ -2096,7 +2101,7 @@ xfs_da_do_buf( (magic != XFS_DIR2_LEAFN_MAGIC) && (magic1 != XFS_DIR2_BLOCK_MAGIC) && (magic1 != XFS_DIR2_DATA_MAGIC) && - (be32_to_cpu(free->hdr.magic) != XFS_DIR2_FREE_MAGIC), + (free->hdr.magic != cpu_to_be32(XFS_DIR2_FREE_MAGIC)), mp, XFS_ERRTAG_DA_READ_BUF, XFS_RANDOM_DA_READ_BUF))) { trace_xfs_da_btree_corrupt(rbp->bps[0], _RET_IP_); @@ -2143,8 +2148,7 @@ xfs_da_get_buf( xfs_dabuf_t **bpp, int whichfork) { - return xfs_da_do_buf(trans, dp, bno, &mappedbno, bpp, whichfork, 0, - (inst_t *)__return_address); + return xfs_da_do_buf(trans, dp, bno, &mappedbno, bpp, whichfork, 0); } /* @@ -2159,8 +2163,7 @@ xfs_da_read_buf( xfs_dabuf_t **bpp, int whichfork) { - return xfs_da_do_buf(trans, dp, bno, &mappedbno, bpp, whichfork, 1, - (inst_t *)__return_address); + return xfs_da_do_buf(trans, dp, bno, &mappedbno, bpp, whichfork, 1); } /* @@ -2176,8 +2179,7 @@ xfs_da_reada_buf( xfs_daddr_t rval; rval = -1; - if (xfs_da_do_buf(trans, dp, bno, &rval, NULL, whichfork, 3, - (inst_t *)__return_address)) + if (xfs_da_do_buf(trans, dp, bno, &rval, NULL, whichfork, 3)) return -1; else return rval; @@ -2235,17 +2237,12 @@ xfs_da_state_free(xfs_da_state_t *state) kmem_zone_free(xfs_da_state_zone, state); } -#ifdef XFS_DABUF_DEBUG -xfs_dabuf_t *xfs_dabuf_global_list; -static DEFINE_SPINLOCK(xfs_dabuf_global_lock); -#endif - /* * Create a dabuf. */ /* ARGSUSED */ STATIC xfs_dabuf_t * -xfs_da_buf_make(int nbuf, xfs_buf_t **bps, inst_t *ra) +xfs_da_buf_make(int nbuf, xfs_buf_t **bps) { xfs_buf_t *bp; xfs_dabuf_t *dabuf; @@ -2257,11 +2254,6 @@ xfs_da_buf_make(int nbuf, xfs_buf_t **bps, inst_t *ra) else dabuf = kmem_alloc(XFS_DA_BUF_SIZE(nbuf), KM_NOFS); dabuf->dirty = 0; -#ifdef XFS_DABUF_DEBUG - dabuf->ra = ra; - dabuf->target = XFS_BUF_TARGET(bps[0]); - dabuf->blkno = XFS_BUF_ADDR(bps[0]); -#endif if (nbuf == 1) { dabuf->nbuf = 1; bp = bps[0]; @@ -2281,23 +2273,6 @@ xfs_da_buf_make(int nbuf, xfs_buf_t **bps, inst_t *ra) XFS_BUF_COUNT(bp)); } } -#ifdef XFS_DABUF_DEBUG - { - xfs_dabuf_t *p; - - spin_lock(&xfs_dabuf_global_lock); - for (p = xfs_dabuf_global_list; p; p = p->next) { - ASSERT(p->blkno != dabuf->blkno || - p->target != dabuf->target); - } - dabuf->prev = NULL; - if (xfs_dabuf_global_list) - xfs_dabuf_global_list->prev = dabuf; - dabuf->next = xfs_dabuf_global_list; - xfs_dabuf_global_list = dabuf; - spin_unlock(&xfs_dabuf_global_lock); - } -#endif return dabuf; } @@ -2333,25 +2308,12 @@ xfs_da_buf_done(xfs_dabuf_t *dabuf) ASSERT(dabuf->nbuf && dabuf->data && dabuf->bbcount && dabuf->bps[0]); if (dabuf->dirty) xfs_da_buf_clean(dabuf); - if (dabuf->nbuf > 1) + if (dabuf->nbuf > 1) { kmem_free(dabuf->data); -#ifdef XFS_DABUF_DEBUG - { - spin_lock(&xfs_dabuf_global_lock); - if (dabuf->prev) - dabuf->prev->next = dabuf->next; - else - xfs_dabuf_global_list = dabuf->next; - if (dabuf->next) - dabuf->next->prev = dabuf->prev; - spin_unlock(&xfs_dabuf_global_lock); - } - memset(dabuf, 0, XFS_DA_BUF_SIZE(dabuf->nbuf)); -#endif - if (dabuf->nbuf == 1) - kmem_zone_free(xfs_dabuf_zone, dabuf); - else kmem_free(dabuf); + } else { + kmem_zone_free(xfs_dabuf_zone, dabuf); + } } /* diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h index fe9f5a8c1d2a..dbf7c074ae73 100644 --- a/fs/xfs/xfs_da_btree.h +++ b/fs/xfs/xfs_da_btree.h @@ -145,22 +145,11 @@ typedef struct xfs_dabuf { short dirty; /* data needs to be copied back */ short bbcount; /* how large is data in bbs */ void *data; /* pointer for buffers' data */ -#ifdef XFS_DABUF_DEBUG - inst_t *ra; /* return address of caller to make */ - struct xfs_dabuf *next; /* next in global chain */ - struct xfs_dabuf *prev; /* previous in global chain */ - struct xfs_buftarg *target; /* device for buffer */ - xfs_daddr_t blkno; /* daddr first in bps[0] */ -#endif struct xfs_buf *bps[1]; /* actually nbuf of these */ } xfs_dabuf_t; #define XFS_DA_BUF_SIZE(n) \ (sizeof(xfs_dabuf_t) + sizeof(struct xfs_buf *) * ((n) - 1)) -#ifdef XFS_DABUF_DEBUG -extern xfs_dabuf_t *xfs_dabuf_global_list; -#endif - /* * Storage for holding state during Btree searches and split/join ops. * @@ -248,6 +237,8 @@ int xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk, * Utility routines. */ int xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno); +int xfs_da_grow_inode_int(struct xfs_da_args *args, xfs_fileoff_t *bno, + int count); int xfs_da_get_buf(struct xfs_trans *trans, struct xfs_inode *dp, xfs_dablk_t bno, xfs_daddr_t mappedbno, xfs_dabuf_t **bp, int whichfork); diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c index dba7a71cedf3..4580ce00aeb4 100644 --- a/fs/xfs/xfs_dir2.c +++ b/fs/xfs/xfs_dir2.c @@ -24,20 +24,17 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir2.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" -#include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" #include "xfs_bmap.h" -#include "xfs_dir2_data.h" -#include "xfs_dir2_leaf.h" -#include "xfs_dir2_block.h" -#include "xfs_dir2_node.h" +#include "xfs_dir2.h" +#include "xfs_dir2_format.h" +#include "xfs_dir2_priv.h" #include "xfs_error.h" #include "xfs_vnodeops.h" #include "xfs_trace.h" @@ -122,15 +119,15 @@ int xfs_dir_isempty( xfs_inode_t *dp) { - xfs_dir2_sf_t *sfp; + xfs_dir2_sf_hdr_t *sfp; ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); if (dp->i_d.di_size == 0) /* might happen during shutdown. */ return 1; if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp)) return 0; - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; - return !sfp->hdr.count; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + return !sfp->count; } /* @@ -500,129 +497,34 @@ xfs_dir_canenter( /* * Add a block to the directory. - * This routine is for data and free blocks, not leaf/node blocks - * which are handled by xfs_da_grow_inode. + * + * This routine is for data and free blocks, not leaf/node blocks which are + * handled by xfs_da_grow_inode. */ int xfs_dir2_grow_inode( - xfs_da_args_t *args, - int space, /* v2 dir's space XFS_DIR2_xxx_SPACE */ - xfs_dir2_db_t *dbp) /* out: block number added */ + struct xfs_da_args *args, + int space, /* v2 dir's space XFS_DIR2_xxx_SPACE */ + xfs_dir2_db_t *dbp) /* out: block number added */ { - xfs_fileoff_t bno; /* directory offset of new block */ - int count; /* count of filesystem blocks */ - xfs_inode_t *dp; /* incore directory inode */ - int error; - int got; /* blocks actually mapped */ - int i; - xfs_bmbt_irec_t map; /* single structure for bmap */ - int mapi; /* mapping index */ - xfs_bmbt_irec_t *mapp; /* bmap mapping structure(s) */ - xfs_mount_t *mp; - int nmap; /* number of bmap entries */ - xfs_trans_t *tp; - xfs_drfsbno_t nblks; + struct xfs_inode *dp = args->dp; + struct xfs_mount *mp = dp->i_mount; + xfs_fileoff_t bno; /* directory offset of new block */ + int count; /* count of filesystem blocks */ + int error; trace_xfs_dir2_grow_inode(args, space); - dp = args->dp; - tp = args->trans; - mp = dp->i_mount; - nblks = dp->i_d.di_nblocks; /* * Set lowest possible block in the space requested. */ bno = XFS_B_TO_FSBT(mp, space * XFS_DIR2_SPACE_SIZE); count = mp->m_dirblkfsbs; - /* - * Find the first hole for our block. - */ - if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, XFS_DATA_FORK))) - return error; - nmap = 1; - ASSERT(args->firstblock != NULL); - /* - * Try mapping the new block contiguously (one extent). - */ - if ((error = xfs_bmapi(tp, dp, bno, count, - XFS_BMAPI_WRITE|XFS_BMAPI_METADATA|XFS_BMAPI_CONTIG, - args->firstblock, args->total, &map, &nmap, - args->flist))) - return error; - ASSERT(nmap <= 1); - if (nmap == 1) { - mapp = ↦ - mapi = 1; - } - /* - * Didn't work and this is a multiple-fsb directory block. - * Try again with contiguous flag turned on. - */ - else if (nmap == 0 && count > 1) { - xfs_fileoff_t b; /* current file offset */ - /* - * Space for maximum number of mappings. - */ - mapp = kmem_alloc(sizeof(*mapp) * count, KM_SLEEP); - /* - * Iterate until we get to the end of our block. - */ - for (b = bno, mapi = 0; b < bno + count; ) { - int c; /* current fsb count */ - - /* - * Can't map more than MAX_NMAP at once. - */ - nmap = MIN(XFS_BMAP_MAX_NMAP, count); - c = (int)(bno + count - b); - if ((error = xfs_bmapi(tp, dp, b, c, - XFS_BMAPI_WRITE|XFS_BMAPI_METADATA, - args->firstblock, args->total, - &mapp[mapi], &nmap, args->flist))) { - kmem_free(mapp); - return error; - } - if (nmap < 1) - break; - /* - * Add this bunch into our table, go to the next offset. - */ - mapi += nmap; - b = mapp[mapi - 1].br_startoff + - mapp[mapi - 1].br_blockcount; - } - } - /* - * Didn't work. - */ - else { - mapi = 0; - mapp = NULL; - } - /* - * See how many fsb's we got. - */ - for (i = 0, got = 0; i < mapi; i++) - got += mapp[i].br_blockcount; - /* - * Didn't get enough fsb's, or the first/last block's are wrong. - */ - if (got != count || mapp[0].br_startoff != bno || - mapp[mapi - 1].br_startoff + mapp[mapi - 1].br_blockcount != - bno + count) { - if (mapp != &map) - kmem_free(mapp); - return XFS_ERROR(ENOSPC); - } - /* - * Done with the temporary mapping table. - */ - if (mapp != &map) - kmem_free(mapp); + error = xfs_da_grow_inode_int(args, &bno, count); + if (error) + return error; - /* account for newly allocated blocks in reserved blocks total */ - args->total -= dp->i_d.di_nblocks - nblks; *dbp = xfs_dir2_da_to_db(mp, (xfs_dablk_t)bno); /* @@ -634,7 +536,7 @@ xfs_dir2_grow_inode( size = XFS_FSB_TO_B(mp, bno + count); if (size > dp->i_d.di_size) { dp->i_d.di_size = size; - xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); + xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE); } } return 0; diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h index 74a3b1057685..e937d9991c18 100644 --- a/fs/xfs/xfs_dir2.h +++ b/fs/xfs/xfs_dir2.h @@ -16,49 +16,14 @@ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef __XFS_DIR2_H__ -#define __XFS_DIR2_H__ +#define __XFS_DIR2_H__ -struct uio; -struct xfs_dabuf; -struct xfs_da_args; -struct xfs_dir2_put_args; struct xfs_bmap_free; +struct xfs_da_args; struct xfs_inode; struct xfs_mount; struct xfs_trans; -/* - * Directory version 2. - * There are 4 possible formats: - * shortform - * single block - data with embedded leaf at the end - * multiple data blocks, single leaf+freeindex block - * data blocks, node&leaf blocks (btree), freeindex blocks - * - * The shortform format is in xfs_dir2_sf.h. - * The single block format is in xfs_dir2_block.h. - * The data block format is in xfs_dir2_data.h. - * The leaf and freeindex block formats are in xfs_dir2_leaf.h. - * Node blocks are the same as the other version, in xfs_da_btree.h. - */ - -/* - * Byte offset in data block and shortform entry. - */ -typedef __uint16_t xfs_dir2_data_off_t; -#define NULLDATAOFF 0xffffU -typedef uint xfs_dir2_data_aoff_t; /* argument form */ - -/* - * Directory block number (logical dirblk in file) - */ -typedef __uint32_t xfs_dir2_db_t; - -/* - * Byte offset in a directory. - */ -typedef xfs_off_t xfs_dir2_off_t; - extern struct xfs_name xfs_name_dotdot; /* @@ -86,21 +51,10 @@ extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_bmap_free *flist, xfs_extlen_t tot); extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, uint resblks); -extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); /* - * Utility routines for v2 directories. + * Direct call from the bmap code, bypassing the generic directory layer. */ -extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, - xfs_dir2_db_t *dbp); -extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, - int *vp); -extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, - int *vp); -extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db, - struct xfs_dabuf *bp); - -extern int xfs_dir_cilookup_result(struct xfs_da_args *args, - const unsigned char *name, int len); +extern int xfs_dir2_sf_to_block(struct xfs_da_args *args); #endif /* __XFS_DIR2_H__ */ diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index 580d99cef9e7..9245e029b8ea 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -23,17 +23,14 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir2.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" -#include "xfs_dir2_data.h" -#include "xfs_dir2_leaf.h" -#include "xfs_dir2_block.h" +#include "xfs_dir2_format.h" +#include "xfs_dir2_priv.h" #include "xfs_error.h" #include "xfs_trace.h" @@ -67,7 +64,7 @@ xfs_dir2_block_addname( xfs_da_args_t *args) /* directory op arguments */ { xfs_dir2_data_free_t *bf; /* bestfree table in block */ - xfs_dir2_block_t *block; /* directory block structure */ + xfs_dir2_data_hdr_t *hdr; /* block header */ xfs_dir2_leaf_entry_t *blp; /* block leaf entries */ xfs_dabuf_t *bp; /* buffer for block */ xfs_dir2_block_tail_t *btp; /* block tail */ @@ -105,13 +102,13 @@ xfs_dir2_block_addname( return error; } ASSERT(bp != NULL); - block = bp->data; + hdr = bp->data; /* * Check the magic number, corrupted if wrong. */ - if (unlikely(be32_to_cpu(block->hdr.magic) != XFS_DIR2_BLOCK_MAGIC)) { + if (unlikely(hdr->magic != cpu_to_be32(XFS_DIR2_BLOCK_MAGIC))) { XFS_CORRUPTION_ERROR("xfs_dir2_block_addname", - XFS_ERRLEVEL_LOW, mp, block); + XFS_ERRLEVEL_LOW, mp, hdr); xfs_da_brelse(tp, bp); return XFS_ERROR(EFSCORRUPTED); } @@ -119,8 +116,8 @@ xfs_dir2_block_addname( /* * Set up pointers to parts of the block. */ - bf = block->hdr.bestfree; - btp = xfs_dir2_block_tail_p(mp, block); + bf = hdr->bestfree; + btp = xfs_dir2_block_tail_p(mp, hdr); blp = xfs_dir2_block_leaf_p(btp); /* * No stale entries? Need space for entry and new leaf. @@ -133,7 +130,7 @@ xfs_dir2_block_addname( /* * Data object just before the first leaf entry. */ - enddup = (xfs_dir2_data_unused_t *)((char *)block + be16_to_cpu(*tagp)); + enddup = (xfs_dir2_data_unused_t *)((char *)hdr + be16_to_cpu(*tagp)); /* * If it's not free then can't do this add without cleaning up: * the space before the first leaf entry needs to be free so it @@ -146,7 +143,7 @@ xfs_dir2_block_addname( */ else { dup = (xfs_dir2_data_unused_t *) - ((char *)block + be16_to_cpu(bf[0].offset)); + ((char *)hdr + be16_to_cpu(bf[0].offset)); if (dup == enddup) { /* * It is the biggest freespace, is it too small @@ -159,7 +156,7 @@ xfs_dir2_block_addname( */ if (be16_to_cpu(bf[1].length) >= len) dup = (xfs_dir2_data_unused_t *) - ((char *)block + + ((char *)hdr + be16_to_cpu(bf[1].offset)); else dup = NULL; @@ -182,7 +179,7 @@ xfs_dir2_block_addname( */ else if (be16_to_cpu(bf[0].length) >= len) { dup = (xfs_dir2_data_unused_t *) - ((char *)block + be16_to_cpu(bf[0].offset)); + ((char *)hdr + be16_to_cpu(bf[0].offset)); compact = 0; } /* @@ -196,7 +193,7 @@ xfs_dir2_block_addname( /* * Data object just before the first leaf entry. */ - dup = (xfs_dir2_data_unused_t *)((char *)block + be16_to_cpu(*tagp)); + dup = (xfs_dir2_data_unused_t *)((char *)hdr + be16_to_cpu(*tagp)); /* * If it's not free then the data will go where the * leaf data starts now, if it works at all. @@ -255,7 +252,8 @@ xfs_dir2_block_addname( highstale = lfloghigh = -1; fromidx >= 0; fromidx--) { - if (be32_to_cpu(blp[fromidx].address) == XFS_DIR2_NULL_DATAPTR) { + if (blp[fromidx].address == + cpu_to_be32(XFS_DIR2_NULL_DATAPTR)) { if (highstale == -1) highstale = toidx; else { @@ -272,7 +270,7 @@ xfs_dir2_block_addname( lfloghigh -= be32_to_cpu(btp->stale) - 1; be32_add_cpu(&btp->count, -(be32_to_cpu(btp->stale) - 1)); xfs_dir2_data_make_free(tp, bp, - (xfs_dir2_data_aoff_t)((char *)blp - (char *)block), + (xfs_dir2_data_aoff_t)((char *)blp - (char *)hdr), (xfs_dir2_data_aoff_t)((be32_to_cpu(btp->stale) - 1) * sizeof(*blp)), &needlog, &needscan); blp += be32_to_cpu(btp->stale) - 1; @@ -282,7 +280,7 @@ xfs_dir2_block_addname( * This needs to happen before the next call to use_free. */ if (needscan) { - xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)block, &needlog); + xfs_dir2_data_freescan(mp, hdr, &needlog); needscan = 0; } } @@ -318,7 +316,7 @@ xfs_dir2_block_addname( */ xfs_dir2_data_use_free(tp, bp, enddup, (xfs_dir2_data_aoff_t) - ((char *)enddup - (char *)block + be16_to_cpu(enddup->length) - + ((char *)enddup - (char *)hdr + be16_to_cpu(enddup->length) - sizeof(*blp)), (xfs_dir2_data_aoff_t)sizeof(*blp), &needlog, &needscan); @@ -331,8 +329,7 @@ xfs_dir2_block_addname( * This needs to happen before the next call to use_free. */ if (needscan) { - xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)block, - &needlog); + xfs_dir2_data_freescan(mp, hdr, &needlog); needscan = 0; } /* @@ -353,12 +350,14 @@ xfs_dir2_block_addname( else { for (lowstale = mid; lowstale >= 0 && - be32_to_cpu(blp[lowstale].address) != XFS_DIR2_NULL_DATAPTR; + blp[lowstale].address != + cpu_to_be32(XFS_DIR2_NULL_DATAPTR); lowstale--) continue; for (highstale = mid + 1; highstale < be32_to_cpu(btp->count) && - be32_to_cpu(blp[highstale].address) != XFS_DIR2_NULL_DATAPTR && + blp[highstale].address != + cpu_to_be32(XFS_DIR2_NULL_DATAPTR) && (lowstale < 0 || mid - lowstale > highstale - mid); highstale++) continue; @@ -397,13 +396,13 @@ xfs_dir2_block_addname( */ blp[mid].hashval = cpu_to_be32(args->hashval); blp[mid].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp, - (char *)dep - (char *)block)); + (char *)dep - (char *)hdr)); xfs_dir2_block_log_leaf(tp, bp, lfloglow, lfloghigh); /* * Mark space for the data entry used. */ xfs_dir2_data_use_free(tp, bp, dup, - (xfs_dir2_data_aoff_t)((char *)dup - (char *)block), + (xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr), (xfs_dir2_data_aoff_t)len, &needlog, &needscan); /* * Create the new data entry. @@ -412,12 +411,12 @@ xfs_dir2_block_addname( dep->namelen = args->namelen; memcpy(dep->name, args->name, args->namelen); tagp = xfs_dir2_data_entry_tag_p(dep); - *tagp = cpu_to_be16((char *)dep - (char *)block); + *tagp = cpu_to_be16((char *)dep - (char *)hdr); /* * Clean up the bestfree array and log the header, tail, and entry. */ if (needscan) - xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)block, &needlog); + xfs_dir2_data_freescan(mp, hdr, &needlog); if (needlog) xfs_dir2_data_log_header(tp, bp); xfs_dir2_block_log_tail(tp, bp); @@ -437,7 +436,7 @@ xfs_dir2_block_getdents( xfs_off_t *offset, filldir_t filldir) { - xfs_dir2_block_t *block; /* directory block structure */ + xfs_dir2_data_hdr_t *hdr; /* block header */ xfs_dabuf_t *bp; /* buffer for block */ xfs_dir2_block_tail_t *btp; /* block tail */ xfs_dir2_data_entry_t *dep; /* block data entry */ @@ -470,13 +469,13 @@ xfs_dir2_block_getdents( * We'll skip entries before this. */ wantoff = xfs_dir2_dataptr_to_off(mp, *offset); - block = bp->data; + hdr = bp->data; xfs_dir2_data_check(dp, bp); /* * Set up values for the loop. */ - btp = xfs_dir2_block_tail_p(mp, block); - ptr = (char *)block->u; + btp = xfs_dir2_block_tail_p(mp, hdr); + ptr = (char *)(hdr + 1); endptr = (char *)xfs_dir2_block_leaf_p(btp); /* @@ -502,11 +501,11 @@ xfs_dir2_block_getdents( /* * The entry is before the desired starting point, skip it. */ - if ((char *)dep - (char *)block < wantoff) + if ((char *)dep - (char *)hdr < wantoff) continue; cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - (char *)dep - (char *)block); + (char *)dep - (char *)hdr); /* * If it didn't fit, set the final offset to here & return. @@ -540,17 +539,14 @@ xfs_dir2_block_log_leaf( int first, /* index of first logged leaf */ int last) /* index of last logged leaf */ { - xfs_dir2_block_t *block; /* directory block structure */ - xfs_dir2_leaf_entry_t *blp; /* block leaf entries */ - xfs_dir2_block_tail_t *btp; /* block tail */ - xfs_mount_t *mp; /* filesystem mount point */ + xfs_dir2_data_hdr_t *hdr = bp->data; + xfs_dir2_leaf_entry_t *blp; + xfs_dir2_block_tail_t *btp; - mp = tp->t_mountp; - block = bp->data; - btp = xfs_dir2_block_tail_p(mp, block); + btp = xfs_dir2_block_tail_p(tp->t_mountp, hdr); blp = xfs_dir2_block_leaf_p(btp); - xfs_da_log_buf(tp, bp, (uint)((char *)&blp[first] - (char *)block), - (uint)((char *)&blp[last + 1] - (char *)block - 1)); + xfs_da_log_buf(tp, bp, (uint)((char *)&blp[first] - (char *)hdr), + (uint)((char *)&blp[last + 1] - (char *)hdr - 1)); } /* @@ -561,15 +557,12 @@ xfs_dir2_block_log_tail( xfs_trans_t *tp, /* transaction structure */ xfs_dabuf_t *bp) /* block buffer */ { - xfs_dir2_block_t *block; /* directory block structure */ - xfs_dir2_block_tail_t *btp; /* block tail */ - xfs_mount_t *mp; /* filesystem mount point */ + xfs_dir2_data_hdr_t *hdr = bp->data; + xfs_dir2_block_tail_t *btp; - mp = tp->t_mountp; - block = bp->data; - btp = xfs_dir2_block_tail_p(mp, block); - xfs_da_log_buf(tp, bp, (uint)((char *)btp - (char *)block), - (uint)((char *)(btp + 1) - (char *)block - 1)); + btp = xfs_dir2_block_tail_p(tp->t_mountp, hdr); + xfs_da_log_buf(tp, bp, (uint)((char *)btp - (char *)hdr), + (uint)((char *)(btp + 1) - (char *)hdr - 1)); } /* @@ -580,7 +573,7 @@ int /* error */ xfs_dir2_block_lookup( xfs_da_args_t *args) /* dir lookup arguments */ { - xfs_dir2_block_t *block; /* block structure */ + xfs_dir2_data_hdr_t *hdr; /* block header */ xfs_dir2_leaf_entry_t *blp; /* block leaf entries */ xfs_dabuf_t *bp; /* block buffer */ xfs_dir2_block_tail_t *btp; /* block tail */ @@ -600,14 +593,14 @@ xfs_dir2_block_lookup( return error; dp = args->dp; mp = dp->i_mount; - block = bp->data; + hdr = bp->data; xfs_dir2_data_check(dp, bp); - btp = xfs_dir2_block_tail_p(mp, block); + btp = xfs_dir2_block_tail_p(mp, hdr); blp = xfs_dir2_block_leaf_p(btp); /* * Get the offset from the leaf entry, to point to the data. */ - dep = (xfs_dir2_data_entry_t *)((char *)block + + dep = (xfs_dir2_data_entry_t *)((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address))); /* * Fill in inode number, CI name if appropriate, release the block. @@ -628,7 +621,7 @@ xfs_dir2_block_lookup_int( int *entno) /* returned entry number */ { xfs_dir2_dataptr_t addr; /* data entry address */ - xfs_dir2_block_t *block; /* block structure */ + xfs_dir2_data_hdr_t *hdr; /* block header */ xfs_dir2_leaf_entry_t *blp; /* block leaf entries */ xfs_dabuf_t *bp; /* block buffer */ xfs_dir2_block_tail_t *btp; /* block tail */ @@ -654,9 +647,9 @@ xfs_dir2_block_lookup_int( return error; } ASSERT(bp != NULL); - block = bp->data; + hdr = bp->data; xfs_dir2_data_check(dp, bp); - btp = xfs_dir2_block_tail_p(mp, block); + btp = xfs_dir2_block_tail_p(mp, hdr); blp = xfs_dir2_block_leaf_p(btp); /* * Loop doing a binary search for our hash value. @@ -694,7 +687,7 @@ xfs_dir2_block_lookup_int( * Get pointer to the entry from the leaf. */ dep = (xfs_dir2_data_entry_t *) - ((char *)block + xfs_dir2_dataptr_to_off(mp, addr)); + ((char *)hdr + xfs_dir2_dataptr_to_off(mp, addr)); /* * Compare name and if it's an exact match, return the index * and buffer. If it's the first case-insensitive match, store @@ -733,7 +726,7 @@ int /* error */ xfs_dir2_block_removename( xfs_da_args_t *args) /* directory operation args */ { - xfs_dir2_block_t *block; /* block structure */ + xfs_dir2_data_hdr_t *hdr; /* block header */ xfs_dir2_leaf_entry_t *blp; /* block leaf pointer */ xfs_dabuf_t *bp; /* block buffer */ xfs_dir2_block_tail_t *btp; /* block tail */ @@ -760,20 +753,20 @@ xfs_dir2_block_removename( dp = args->dp; tp = args->trans; mp = dp->i_mount; - block = bp->data; - btp = xfs_dir2_block_tail_p(mp, block); + hdr = bp->data; + btp = xfs_dir2_block_tail_p(mp, hdr); blp = xfs_dir2_block_leaf_p(btp); /* * Point to the data entry using the leaf entry. */ dep = (xfs_dir2_data_entry_t *) - ((char *)block + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address))); + ((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address))); /* * Mark the data entry's space free. */ needlog = needscan = 0; xfs_dir2_data_make_free(tp, bp, - (xfs_dir2_data_aoff_t)((char *)dep - (char *)block), + (xfs_dir2_data_aoff_t)((char *)dep - (char *)hdr), xfs_dir2_data_entsize(dep->namelen), &needlog, &needscan); /* * Fix up the block tail. @@ -789,15 +782,15 @@ xfs_dir2_block_removename( * Fix up bestfree, log the header if necessary. */ if (needscan) - xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)block, &needlog); + xfs_dir2_data_freescan(mp, hdr, &needlog); if (needlog) xfs_dir2_data_log_header(tp, bp); xfs_dir2_data_check(dp, bp); /* * See if the size as a shortform is good enough. */ - if ((size = xfs_dir2_block_sfsize(dp, block, &sfh)) > - XFS_IFORK_DSIZE(dp)) { + size = xfs_dir2_block_sfsize(dp, hdr, &sfh); + if (size > XFS_IFORK_DSIZE(dp)) { xfs_da_buf_done(bp); return 0; } @@ -815,7 +808,7 @@ int /* error */ xfs_dir2_block_replace( xfs_da_args_t *args) /* directory operation args */ { - xfs_dir2_block_t *block; /* block structure */ + xfs_dir2_data_hdr_t *hdr; /* block header */ xfs_dir2_leaf_entry_t *blp; /* block leaf entries */ xfs_dabuf_t *bp; /* block buffer */ xfs_dir2_block_tail_t *btp; /* block tail */ @@ -836,14 +829,14 @@ xfs_dir2_block_replace( } dp = args->dp; mp = dp->i_mount; - block = bp->data; - btp = xfs_dir2_block_tail_p(mp, block); + hdr = bp->data; + btp = xfs_dir2_block_tail_p(mp, hdr); blp = xfs_dir2_block_leaf_p(btp); /* * Point to the data entry we need to change. */ dep = (xfs_dir2_data_entry_t *) - ((char *)block + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address))); + ((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address))); ASSERT(be64_to_cpu(dep->inumber) != args->inumber); /* * Change the inode number to the new value. @@ -882,7 +875,7 @@ xfs_dir2_leaf_to_block( xfs_dabuf_t *dbp) /* data buffer */ { __be16 *bestsp; /* leaf bests table */ - xfs_dir2_block_t *block; /* block structure */ + xfs_dir2_data_hdr_t *hdr; /* block header */ xfs_dir2_block_tail_t *btp; /* block tail */ xfs_inode_t *dp; /* incore directory inode */ xfs_dir2_data_unused_t *dup; /* unused data entry */ @@ -906,7 +899,7 @@ xfs_dir2_leaf_to_block( tp = args->trans; mp = dp->i_mount; leaf = lbp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAF1_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAF1_MAGIC)); ltp = xfs_dir2_leaf_tail_p(mp, leaf); /* * If there are data blocks other than the first one, take this @@ -917,7 +910,7 @@ xfs_dir2_leaf_to_block( while (dp->i_d.di_size > mp->m_dirblksize) { bestsp = xfs_dir2_leaf_bests_p(ltp); if (be16_to_cpu(bestsp[be32_to_cpu(ltp->bestcount) - 1]) == - mp->m_dirblksize - (uint)sizeof(block->hdr)) { + mp->m_dirblksize - (uint)sizeof(*hdr)) { if ((error = xfs_dir2_leaf_trim_data(args, lbp, (xfs_dir2_db_t)(be32_to_cpu(ltp->bestcount) - 1)))) @@ -935,18 +928,18 @@ xfs_dir2_leaf_to_block( XFS_DATA_FORK))) { goto out; } - block = dbp->data; - ASSERT(be32_to_cpu(block->hdr.magic) == XFS_DIR2_DATA_MAGIC); + hdr = dbp->data; + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC)); /* * Size of the "leaf" area in the block. */ - size = (uint)sizeof(block->tail) + + size = (uint)sizeof(xfs_dir2_block_tail_t) + (uint)sizeof(*lep) * (be16_to_cpu(leaf->hdr.count) - be16_to_cpu(leaf->hdr.stale)); /* * Look at the last data entry. */ - tagp = (__be16 *)((char *)block + mp->m_dirblksize) - 1; - dup = (xfs_dir2_data_unused_t *)((char *)block + be16_to_cpu(*tagp)); + tagp = (__be16 *)((char *)hdr + mp->m_dirblksize) - 1; + dup = (xfs_dir2_data_unused_t *)((char *)hdr + be16_to_cpu(*tagp)); /* * If it's not free or is too short we can't do it. */ @@ -958,7 +951,7 @@ xfs_dir2_leaf_to_block( /* * Start converting it to block form. */ - block->hdr.magic = cpu_to_be32(XFS_DIR2_BLOCK_MAGIC); + hdr->magic = cpu_to_be32(XFS_DIR2_BLOCK_MAGIC); needlog = 1; needscan = 0; /* @@ -969,7 +962,7 @@ xfs_dir2_leaf_to_block( /* * Initialize the block tail. */ - btp = xfs_dir2_block_tail_p(mp, block); + btp = xfs_dir2_block_tail_p(mp, hdr); btp->count = cpu_to_be32(be16_to_cpu(leaf->hdr.count) - be16_to_cpu(leaf->hdr.stale)); btp->stale = 0; xfs_dir2_block_log_tail(tp, dbp); @@ -978,7 +971,8 @@ xfs_dir2_leaf_to_block( */ lep = xfs_dir2_block_leaf_p(btp); for (from = to = 0; from < be16_to_cpu(leaf->hdr.count); from++) { - if (be32_to_cpu(leaf->ents[from].address) == XFS_DIR2_NULL_DATAPTR) + if (leaf->ents[from].address == + cpu_to_be32(XFS_DIR2_NULL_DATAPTR)) continue; lep[to++] = leaf->ents[from]; } @@ -988,7 +982,7 @@ xfs_dir2_leaf_to_block( * Scan the bestfree if we need it and log the data block header. */ if (needscan) - xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)block, &needlog); + xfs_dir2_data_freescan(mp, hdr, &needlog); if (needlog) xfs_dir2_data_log_header(tp, dbp); /* @@ -1002,8 +996,8 @@ xfs_dir2_leaf_to_block( /* * Now see if the resulting block can be shrunken to shortform. */ - if ((size = xfs_dir2_block_sfsize(dp, block, &sfh)) > - XFS_IFORK_DSIZE(dp)) { + size = xfs_dir2_block_sfsize(dp, hdr, &sfh); + if (size > XFS_IFORK_DSIZE(dp)) { error = 0; goto out; } @@ -1024,12 +1018,10 @@ xfs_dir2_sf_to_block( xfs_da_args_t *args) /* operation arguments */ { xfs_dir2_db_t blkno; /* dir-relative block # (0) */ - xfs_dir2_block_t *block; /* block structure */ + xfs_dir2_data_hdr_t *hdr; /* block header */ xfs_dir2_leaf_entry_t *blp; /* block leaf entries */ xfs_dabuf_t *bp; /* block buffer */ xfs_dir2_block_tail_t *btp; /* block tail pointer */ - char *buf; /* sf buffer */ - int buf_len; xfs_dir2_data_entry_t *dep; /* data entry pointer */ xfs_inode_t *dp; /* incore directory inode */ int dummy; /* trash */ @@ -1043,7 +1035,8 @@ xfs_dir2_sf_to_block( int newoffset; /* offset from current entry */ int offset; /* target block offset */ xfs_dir2_sf_entry_t *sfep; /* sf entry pointer */ - xfs_dir2_sf_t *sfp; /* shortform structure */ + xfs_dir2_sf_hdr_t *oldsfp; /* old shortform header */ + xfs_dir2_sf_hdr_t *sfp; /* shortform header */ __be16 *tagp; /* end of data entry */ xfs_trans_t *tp; /* transaction pointer */ struct xfs_name name; @@ -1061,32 +1054,30 @@ xfs_dir2_sf_to_block( ASSERT(XFS_FORCED_SHUTDOWN(mp)); return XFS_ERROR(EIO); } + + oldsfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; - ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->hdr.i8count)); + ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(oldsfp->i8count)); + /* - * Copy the directory into the stack buffer. + * Copy the directory into a temporary buffer. * Then pitch the incore inode data so we can make extents. */ + sfp = kmem_alloc(dp->i_df.if_bytes, KM_SLEEP); + memcpy(sfp, oldsfp, dp->i_df.if_bytes); - buf_len = dp->i_df.if_bytes; - buf = kmem_alloc(buf_len, KM_SLEEP); - - memcpy(buf, sfp, buf_len); - xfs_idata_realloc(dp, -buf_len, XFS_DATA_FORK); + xfs_idata_realloc(dp, -dp->i_df.if_bytes, XFS_DATA_FORK); dp->i_d.di_size = 0; xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); - /* - * Reset pointer - old sfp is gone. - */ - sfp = (xfs_dir2_sf_t *)buf; + /* * Add block 0 to the inode. */ error = xfs_dir2_grow_inode(args, XFS_DIR2_DATA_SPACE, &blkno); if (error) { - kmem_free(buf); + kmem_free(sfp); return error; } /* @@ -1094,21 +1085,21 @@ xfs_dir2_sf_to_block( */ error = xfs_dir2_data_init(args, blkno, &bp); if (error) { - kmem_free(buf); + kmem_free(sfp); return error; } - block = bp->data; - block->hdr.magic = cpu_to_be32(XFS_DIR2_BLOCK_MAGIC); + hdr = bp->data; + hdr->magic = cpu_to_be32(XFS_DIR2_BLOCK_MAGIC); /* * Compute size of block "tail" area. */ i = (uint)sizeof(*btp) + - (sfp->hdr.count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t); + (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t); /* * The whole thing is initialized to free by the init routine. * Say we're using the leaf and tail area. */ - dup = (xfs_dir2_data_unused_t *)block->u; + dup = (xfs_dir2_data_unused_t *)(hdr + 1); needlog = needscan = 0; xfs_dir2_data_use_free(tp, bp, dup, mp->m_dirblksize - i, i, &needlog, &needscan); @@ -1116,50 +1107,51 @@ xfs_dir2_sf_to_block( /* * Fill in the tail. */ - btp = xfs_dir2_block_tail_p(mp, block); - btp->count = cpu_to_be32(sfp->hdr.count + 2); /* ., .. */ + btp = xfs_dir2_block_tail_p(mp, hdr); + btp->count = cpu_to_be32(sfp->count + 2); /* ., .. */ btp->stale = 0; blp = xfs_dir2_block_leaf_p(btp); - endoffset = (uint)((char *)blp - (char *)block); + endoffset = (uint)((char *)blp - (char *)hdr); /* * Remove the freespace, we'll manage it. */ xfs_dir2_data_use_free(tp, bp, dup, - (xfs_dir2_data_aoff_t)((char *)dup - (char *)block), + (xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr), be16_to_cpu(dup->length), &needlog, &needscan); /* * Create entry for . */ dep = (xfs_dir2_data_entry_t *) - ((char *)block + XFS_DIR2_DATA_DOT_OFFSET); + ((char *)hdr + XFS_DIR2_DATA_DOT_OFFSET); dep->inumber = cpu_to_be64(dp->i_ino); dep->namelen = 1; dep->name[0] = '.'; tagp = xfs_dir2_data_entry_tag_p(dep); - *tagp = cpu_to_be16((char *)dep - (char *)block); + *tagp = cpu_to_be16((char *)dep - (char *)hdr); xfs_dir2_data_log_entry(tp, bp, dep); blp[0].hashval = cpu_to_be32(xfs_dir_hash_dot); blp[0].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp, - (char *)dep - (char *)block)); + (char *)dep - (char *)hdr)); /* * Create entry for .. */ dep = (xfs_dir2_data_entry_t *) - ((char *)block + XFS_DIR2_DATA_DOTDOT_OFFSET); - dep->inumber = cpu_to_be64(xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent)); + ((char *)hdr + XFS_DIR2_DATA_DOTDOT_OFFSET); + dep->inumber = cpu_to_be64(xfs_dir2_sf_get_parent_ino(sfp)); dep->namelen = 2; dep->name[0] = dep->name[1] = '.'; tagp = xfs_dir2_data_entry_tag_p(dep); - *tagp = cpu_to_be16((char *)dep - (char *)block); + *tagp = cpu_to_be16((char *)dep - (char *)hdr); xfs_dir2_data_log_entry(tp, bp, dep); blp[1].hashval = cpu_to_be32(xfs_dir_hash_dotdot); blp[1].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp, - (char *)dep - (char *)block)); + (char *)dep - (char *)hdr)); offset = XFS_DIR2_DATA_FIRST_OFFSET; /* * Loop over existing entries, stuff them in. */ - if ((i = 0) == sfp->hdr.count) + i = 0; + if (!sfp->count) sfep = NULL; else sfep = xfs_dir2_sf_firstentry(sfp); @@ -1179,43 +1171,40 @@ xfs_dir2_sf_to_block( * There should be a hole here, make one. */ if (offset < newoffset) { - dup = (xfs_dir2_data_unused_t *) - ((char *)block + offset); + dup = (xfs_dir2_data_unused_t *)((char *)hdr + offset); dup->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG); dup->length = cpu_to_be16(newoffset - offset); *xfs_dir2_data_unused_tag_p(dup) = cpu_to_be16( - ((char *)dup - (char *)block)); + ((char *)dup - (char *)hdr)); xfs_dir2_data_log_unused(tp, bp, dup); - (void)xfs_dir2_data_freeinsert((xfs_dir2_data_t *)block, - dup, &dummy); + xfs_dir2_data_freeinsert(hdr, dup, &dummy); offset += be16_to_cpu(dup->length); continue; } /* * Copy a real entry. */ - dep = (xfs_dir2_data_entry_t *)((char *)block + newoffset); - dep->inumber = cpu_to_be64(xfs_dir2_sf_get_inumber(sfp, - xfs_dir2_sf_inumberp(sfep))); + dep = (xfs_dir2_data_entry_t *)((char *)hdr + newoffset); + dep->inumber = cpu_to_be64(xfs_dir2_sfe_get_ino(sfp, sfep)); dep->namelen = sfep->namelen; memcpy(dep->name, sfep->name, dep->namelen); tagp = xfs_dir2_data_entry_tag_p(dep); - *tagp = cpu_to_be16((char *)dep - (char *)block); + *tagp = cpu_to_be16((char *)dep - (char *)hdr); xfs_dir2_data_log_entry(tp, bp, dep); name.name = sfep->name; name.len = sfep->namelen; blp[2 + i].hashval = cpu_to_be32(mp->m_dirnameops-> hashname(&name)); blp[2 + i].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp, - (char *)dep - (char *)block)); - offset = (int)((char *)(tagp + 1) - (char *)block); - if (++i == sfp->hdr.count) + (char *)dep - (char *)hdr)); + offset = (int)((char *)(tagp + 1) - (char *)hdr); + if (++i == sfp->count) sfep = NULL; else sfep = xfs_dir2_sf_nextentry(sfp, sfep); } /* Done with the temporary buffer */ - kmem_free(buf); + kmem_free(sfp); /* * Sort the leaf entries by hash value. */ diff --git a/fs/xfs/xfs_dir2_block.h b/fs/xfs/xfs_dir2_block.h deleted file mode 100644 index 10e689676382..000000000000 --- a/fs/xfs/xfs_dir2_block.h +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_DIR2_BLOCK_H__ -#define __XFS_DIR2_BLOCK_H__ - -/* - * xfs_dir2_block.h - * Directory version 2, single block format structures - */ - -struct uio; -struct xfs_dabuf; -struct xfs_da_args; -struct xfs_dir2_data_hdr; -struct xfs_dir2_leaf_entry; -struct xfs_inode; -struct xfs_mount; -struct xfs_trans; - -/* - * The single block format is as follows: - * xfs_dir2_data_hdr_t structure - * xfs_dir2_data_entry_t and xfs_dir2_data_unused_t structures - * xfs_dir2_leaf_entry_t structures - * xfs_dir2_block_tail_t structure - */ - -#define XFS_DIR2_BLOCK_MAGIC 0x58443242 /* XD2B: for one block dirs */ - -typedef struct xfs_dir2_block_tail { - __be32 count; /* count of leaf entries */ - __be32 stale; /* count of stale lf entries */ -} xfs_dir2_block_tail_t; - -/* - * Generic single-block structure, for xfs_db. - */ -typedef struct xfs_dir2_block { - xfs_dir2_data_hdr_t hdr; /* magic XFS_DIR2_BLOCK_MAGIC */ - xfs_dir2_data_union_t u[1]; - xfs_dir2_leaf_entry_t leaf[1]; - xfs_dir2_block_tail_t tail; -} xfs_dir2_block_t; - -/* - * Pointer to the leaf header embedded in a data block (1-block format) - */ -static inline xfs_dir2_block_tail_t * -xfs_dir2_block_tail_p(struct xfs_mount *mp, xfs_dir2_block_t *block) -{ - return (((xfs_dir2_block_tail_t *) - ((char *)(block) + (mp)->m_dirblksize)) - 1); -} - -/* - * Pointer to the leaf entries embedded in a data block (1-block format) - */ -static inline struct xfs_dir2_leaf_entry * -xfs_dir2_block_leaf_p(xfs_dir2_block_tail_t *btp) -{ - return ((struct xfs_dir2_leaf_entry *)btp) - be32_to_cpu(btp->count); -} - -/* - * Function declarations. - */ -extern int xfs_dir2_block_addname(struct xfs_da_args *args); -extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent, - xfs_off_t *offset, filldir_t filldir); -extern int xfs_dir2_block_lookup(struct xfs_da_args *args); -extern int xfs_dir2_block_removename(struct xfs_da_args *args); -extern int xfs_dir2_block_replace(struct xfs_da_args *args); -extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args, - struct xfs_dabuf *lbp, struct xfs_dabuf *dbp); -extern int xfs_dir2_sf_to_block(struct xfs_da_args *args); - -#endif /* __XFS_DIR2_BLOCK_H__ */ diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c index 921595b84f5b..5bbe2a8a023f 100644 --- a/fs/xfs/xfs_dir2_data.c +++ b/fs/xfs/xfs_dir2_data.c @@ -23,18 +23,18 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir2.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" -#include "xfs_dir2_data.h" -#include "xfs_dir2_leaf.h" -#include "xfs_dir2_block.h" +#include "xfs_dir2_format.h" +#include "xfs_dir2_priv.h" #include "xfs_error.h" +STATIC xfs_dir2_data_free_t * +xfs_dir2_data_freefind(xfs_dir2_data_hdr_t *hdr, xfs_dir2_data_unused_t *dup); + #ifdef DEBUG /* * Check the consistency of the data block. @@ -50,7 +50,7 @@ xfs_dir2_data_check( xfs_dir2_data_free_t *bf; /* bestfree table */ xfs_dir2_block_tail_t *btp=NULL; /* block tail */ int count; /* count of entries found */ - xfs_dir2_data_t *d; /* data block pointer */ + xfs_dir2_data_hdr_t *hdr; /* data block header */ xfs_dir2_data_entry_t *dep; /* data entry */ xfs_dir2_data_free_t *dfp; /* bestfree entry */ xfs_dir2_data_unused_t *dup; /* unused entry */ @@ -66,17 +66,19 @@ xfs_dir2_data_check( struct xfs_name name; mp = dp->i_mount; - d = bp->data; - ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || - be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); - bf = d->hdr.bestfree; - p = (char *)d->u; - if (be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC) { - btp = xfs_dir2_block_tail_p(mp, (xfs_dir2_block_t *)d); + hdr = bp->data; + bf = hdr->bestfree; + p = (char *)(hdr + 1); + + if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)) { + btp = xfs_dir2_block_tail_p(mp, hdr); lep = xfs_dir2_block_leaf_p(btp); endp = (char *)lep; - } else - endp = (char *)d + mp->m_dirblksize; + } else { + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC)); + endp = (char *)hdr + mp->m_dirblksize; + } + count = lastfree = freeseen = 0; /* * Account for zero bestfree entries. @@ -108,8 +110,8 @@ xfs_dir2_data_check( if (be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG) { ASSERT(lastfree == 0); ASSERT(be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup)) == - (char *)dup - (char *)d); - dfp = xfs_dir2_data_freefind(d, dup); + (char *)dup - (char *)hdr); + dfp = xfs_dir2_data_freefind(hdr, dup); if (dfp) { i = (int)(dfp - bf); ASSERT((freeseen & (1 << i)) == 0); @@ -132,13 +134,13 @@ xfs_dir2_data_check( ASSERT(dep->namelen != 0); ASSERT(xfs_dir_ino_validate(mp, be64_to_cpu(dep->inumber)) == 0); ASSERT(be16_to_cpu(*xfs_dir2_data_entry_tag_p(dep)) == - (char *)dep - (char *)d); + (char *)dep - (char *)hdr); count++; lastfree = 0; - if (be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC) { + if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)) { addr = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, (xfs_dir2_data_aoff_t) - ((char *)dep - (char *)d)); + ((char *)dep - (char *)hdr)); name.name = dep->name; name.len = dep->namelen; hash = mp->m_dirnameops->hashname(&name); @@ -155,9 +157,10 @@ xfs_dir2_data_check( * Need to have seen all the entries and all the bestfree slots. */ ASSERT(freeseen == 7); - if (be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC) { + if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)) { for (i = stale = 0; i < be32_to_cpu(btp->count); i++) { - if (be32_to_cpu(lep[i].address) == XFS_DIR2_NULL_DATAPTR) + if (lep[i].address == + cpu_to_be32(XFS_DIR2_NULL_DATAPTR)) stale++; if (i > 0) ASSERT(be32_to_cpu(lep[i].hashval) >= be32_to_cpu(lep[i - 1].hashval)); @@ -172,9 +175,9 @@ xfs_dir2_data_check( * Given a data block and an unused entry from that block, * return the bestfree entry if any that corresponds to it. */ -xfs_dir2_data_free_t * +STATIC xfs_dir2_data_free_t * xfs_dir2_data_freefind( - xfs_dir2_data_t *d, /* data block */ + xfs_dir2_data_hdr_t *hdr, /* data block */ xfs_dir2_data_unused_t *dup) /* data unused entry */ { xfs_dir2_data_free_t *dfp; /* bestfree entry */ @@ -184,17 +187,17 @@ xfs_dir2_data_freefind( int seenzero; /* saw a 0 bestfree entry */ #endif - off = (xfs_dir2_data_aoff_t)((char *)dup - (char *)d); + off = (xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr); #if defined(DEBUG) && defined(__KERNEL__) /* * Validate some consistency in the bestfree table. * Check order, non-overlapping entries, and if we find the * one we're looking for it has to be exact. */ - ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || - be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); - for (dfp = &d->hdr.bestfree[0], seenzero = matched = 0; - dfp < &d->hdr.bestfree[XFS_DIR2_DATA_FD_COUNT]; + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || + hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)); + for (dfp = &hdr->bestfree[0], seenzero = matched = 0; + dfp < &hdr->bestfree[XFS_DIR2_DATA_FD_COUNT]; dfp++) { if (!dfp->offset) { ASSERT(!dfp->length); @@ -210,7 +213,7 @@ xfs_dir2_data_freefind( else ASSERT(be16_to_cpu(dfp->offset) + be16_to_cpu(dfp->length) <= off); ASSERT(matched || be16_to_cpu(dfp->length) >= be16_to_cpu(dup->length)); - if (dfp > &d->hdr.bestfree[0]) + if (dfp > &hdr->bestfree[0]) ASSERT(be16_to_cpu(dfp[-1].length) >= be16_to_cpu(dfp[0].length)); } #endif @@ -219,13 +222,13 @@ xfs_dir2_data_freefind( * it can't be there since they're sorted. */ if (be16_to_cpu(dup->length) < - be16_to_cpu(d->hdr.bestfree[XFS_DIR2_DATA_FD_COUNT - 1].length)) + be16_to_cpu(hdr->bestfree[XFS_DIR2_DATA_FD_COUNT - 1].length)) return NULL; /* * Look at the three bestfree entries for our guy. */ - for (dfp = &d->hdr.bestfree[0]; - dfp < &d->hdr.bestfree[XFS_DIR2_DATA_FD_COUNT]; + for (dfp = &hdr->bestfree[0]; + dfp < &hdr->bestfree[XFS_DIR2_DATA_FD_COUNT]; dfp++) { if (!dfp->offset) return NULL; @@ -243,7 +246,7 @@ xfs_dir2_data_freefind( */ xfs_dir2_data_free_t * /* entry inserted */ xfs_dir2_data_freeinsert( - xfs_dir2_data_t *d, /* data block pointer */ + xfs_dir2_data_hdr_t *hdr, /* data block pointer */ xfs_dir2_data_unused_t *dup, /* unused space */ int *loghead) /* log the data header (out) */ { @@ -251,12 +254,13 @@ xfs_dir2_data_freeinsert( xfs_dir2_data_free_t new; /* new bestfree entry */ #ifdef __KERNEL__ - ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || - be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || + hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)); #endif - dfp = d->hdr.bestfree; + dfp = hdr->bestfree; new.length = dup->length; - new.offset = cpu_to_be16((char *)dup - (char *)d); + new.offset = cpu_to_be16((char *)dup - (char *)hdr); + /* * Insert at position 0, 1, or 2; or not at all. */ @@ -286,36 +290,36 @@ xfs_dir2_data_freeinsert( */ STATIC void xfs_dir2_data_freeremove( - xfs_dir2_data_t *d, /* data block pointer */ + xfs_dir2_data_hdr_t *hdr, /* data block header */ xfs_dir2_data_free_t *dfp, /* bestfree entry pointer */ int *loghead) /* out: log data header */ { #ifdef __KERNEL__ - ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || - be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || + hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)); #endif /* * It's the first entry, slide the next 2 up. */ - if (dfp == &d->hdr.bestfree[0]) { - d->hdr.bestfree[0] = d->hdr.bestfree[1]; - d->hdr.bestfree[1] = d->hdr.bestfree[2]; + if (dfp == &hdr->bestfree[0]) { + hdr->bestfree[0] = hdr->bestfree[1]; + hdr->bestfree[1] = hdr->bestfree[2]; } /* * It's the second entry, slide the 3rd entry up. */ - else if (dfp == &d->hdr.bestfree[1]) - d->hdr.bestfree[1] = d->hdr.bestfree[2]; + else if (dfp == &hdr->bestfree[1]) + hdr->bestfree[1] = hdr->bestfree[2]; /* * Must be the last entry. */ else - ASSERT(dfp == &d->hdr.bestfree[2]); + ASSERT(dfp == &hdr->bestfree[2]); /* * Clear the 3rd entry, must be zero now. */ - d->hdr.bestfree[2].length = 0; - d->hdr.bestfree[2].offset = 0; + hdr->bestfree[2].length = 0; + hdr->bestfree[2].offset = 0; *loghead = 1; } @@ -325,7 +329,7 @@ xfs_dir2_data_freeremove( void xfs_dir2_data_freescan( xfs_mount_t *mp, /* filesystem mount point */ - xfs_dir2_data_t *d, /* data block pointer */ + xfs_dir2_data_hdr_t *hdr, /* data block header */ int *loghead) /* out: log data header */ { xfs_dir2_block_tail_t *btp; /* block tail */ @@ -335,23 +339,23 @@ xfs_dir2_data_freescan( char *p; /* current entry pointer */ #ifdef __KERNEL__ - ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || - be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || + hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)); #endif /* * Start by clearing the table. */ - memset(d->hdr.bestfree, 0, sizeof(d->hdr.bestfree)); + memset(hdr->bestfree, 0, sizeof(hdr->bestfree)); *loghead = 1; /* * Set up pointers. */ - p = (char *)d->u; - if (be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC) { - btp = xfs_dir2_block_tail_p(mp, (xfs_dir2_block_t *)d); + p = (char *)(hdr + 1); + if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)) { + btp = xfs_dir2_block_tail_p(mp, hdr); endp = (char *)xfs_dir2_block_leaf_p(btp); } else - endp = (char *)d + mp->m_dirblksize; + endp = (char *)hdr + mp->m_dirblksize; /* * Loop over the block's entries. */ @@ -361,9 +365,9 @@ xfs_dir2_data_freescan( * If it's a free entry, insert it. */ if (be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG) { - ASSERT((char *)dup - (char *)d == + ASSERT((char *)dup - (char *)hdr == be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup))); - xfs_dir2_data_freeinsert(d, dup, loghead); + xfs_dir2_data_freeinsert(hdr, dup, loghead); p += be16_to_cpu(dup->length); } /* @@ -371,7 +375,7 @@ xfs_dir2_data_freescan( */ else { dep = (xfs_dir2_data_entry_t *)p; - ASSERT((char *)dep - (char *)d == + ASSERT((char *)dep - (char *)hdr == be16_to_cpu(*xfs_dir2_data_entry_tag_p(dep))); p += xfs_dir2_data_entsize(dep->namelen); } @@ -389,7 +393,7 @@ xfs_dir2_data_init( xfs_dabuf_t **bpp) /* output block buffer */ { xfs_dabuf_t *bp; /* block buffer */ - xfs_dir2_data_t *d; /* pointer to block */ + xfs_dir2_data_hdr_t *hdr; /* data block header */ xfs_inode_t *dp; /* incore directory inode */ xfs_dir2_data_unused_t *dup; /* unused entry pointer */ int error; /* error return value */ @@ -410,26 +414,28 @@ xfs_dir2_data_init( return error; } ASSERT(bp != NULL); + /* * Initialize the header. */ - d = bp->data; - d->hdr.magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC); - d->hdr.bestfree[0].offset = cpu_to_be16(sizeof(d->hdr)); + hdr = bp->data; + hdr->magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC); + hdr->bestfree[0].offset = cpu_to_be16(sizeof(*hdr)); for (i = 1; i < XFS_DIR2_DATA_FD_COUNT; i++) { - d->hdr.bestfree[i].length = 0; - d->hdr.bestfree[i].offset = 0; + hdr->bestfree[i].length = 0; + hdr->bestfree[i].offset = 0; } + /* * Set up an unused entry for the block's body. */ - dup = &d->u[0].unused; + dup = (xfs_dir2_data_unused_t *)(hdr + 1); dup->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG); - t=mp->m_dirblksize - (uint)sizeof(d->hdr); - d->hdr.bestfree[0].length = cpu_to_be16(t); + t = mp->m_dirblksize - (uint)sizeof(*hdr); + hdr->bestfree[0].length = cpu_to_be16(t); dup->length = cpu_to_be16(t); - *xfs_dir2_data_unused_tag_p(dup) = cpu_to_be16((char *)dup - (char *)d); + *xfs_dir2_data_unused_tag_p(dup) = cpu_to_be16((char *)dup - (char *)hdr); /* * Log it and return it. */ @@ -448,14 +454,14 @@ xfs_dir2_data_log_entry( xfs_dabuf_t *bp, /* block buffer */ xfs_dir2_data_entry_t *dep) /* data entry pointer */ { - xfs_dir2_data_t *d; /* data block pointer */ + xfs_dir2_data_hdr_t *hdr = bp->data; + + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || + hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)); - d = bp->data; - ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || - be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); - xfs_da_log_buf(tp, bp, (uint)((char *)dep - (char *)d), + xfs_da_log_buf(tp, bp, (uint)((char *)dep - (char *)hdr), (uint)((char *)(xfs_dir2_data_entry_tag_p(dep) + 1) - - (char *)d - 1)); + (char *)hdr - 1)); } /* @@ -466,13 +472,12 @@ xfs_dir2_data_log_header( xfs_trans_t *tp, /* transaction pointer */ xfs_dabuf_t *bp) /* block buffer */ { - xfs_dir2_data_t *d; /* data block pointer */ + xfs_dir2_data_hdr_t *hdr = bp->data; - d = bp->data; - ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || - be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); - xfs_da_log_buf(tp, bp, (uint)((char *)&d->hdr - (char *)d), - (uint)(sizeof(d->hdr) - 1)); + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || + hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)); + + xfs_da_log_buf(tp, bp, 0, sizeof(*hdr) - 1); } /* @@ -484,23 +489,23 @@ xfs_dir2_data_log_unused( xfs_dabuf_t *bp, /* block buffer */ xfs_dir2_data_unused_t *dup) /* data unused pointer */ { - xfs_dir2_data_t *d; /* data block pointer */ + xfs_dir2_data_hdr_t *hdr = bp->data; + + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || + hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)); - d = bp->data; - ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || - be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); /* * Log the first part of the unused entry. */ - xfs_da_log_buf(tp, bp, (uint)((char *)dup - (char *)d), + xfs_da_log_buf(tp, bp, (uint)((char *)dup - (char *)hdr), (uint)((char *)&dup->length + sizeof(dup->length) - - 1 - (char *)d)); + 1 - (char *)hdr)); /* * Log the end (tag) of the unused entry. */ xfs_da_log_buf(tp, bp, - (uint)((char *)xfs_dir2_data_unused_tag_p(dup) - (char *)d), - (uint)((char *)xfs_dir2_data_unused_tag_p(dup) - (char *)d + + (uint)((char *)xfs_dir2_data_unused_tag_p(dup) - (char *)hdr), + (uint)((char *)xfs_dir2_data_unused_tag_p(dup) - (char *)hdr + sizeof(xfs_dir2_data_off_t) - 1)); } @@ -517,7 +522,7 @@ xfs_dir2_data_make_free( int *needlogp, /* out: log header */ int *needscanp) /* out: regen bestfree */ { - xfs_dir2_data_t *d; /* data block pointer */ + xfs_dir2_data_hdr_t *hdr; /* data block pointer */ xfs_dir2_data_free_t *dfp; /* bestfree pointer */ char *endptr; /* end of data area */ xfs_mount_t *mp; /* filesystem mount point */ @@ -527,28 +532,29 @@ xfs_dir2_data_make_free( xfs_dir2_data_unused_t *prevdup; /* unused entry before us */ mp = tp->t_mountp; - d = bp->data; + hdr = bp->data; + /* * Figure out where the end of the data area is. */ - if (be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC) - endptr = (char *)d + mp->m_dirblksize; + if (hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC)) + endptr = (char *)hdr + mp->m_dirblksize; else { xfs_dir2_block_tail_t *btp; /* block tail */ - ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); - btp = xfs_dir2_block_tail_p(mp, (xfs_dir2_block_t *)d); + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)); + btp = xfs_dir2_block_tail_p(mp, hdr); endptr = (char *)xfs_dir2_block_leaf_p(btp); } /* * If this isn't the start of the block, then back up to * the previous entry and see if it's free. */ - if (offset > sizeof(d->hdr)) { + if (offset > sizeof(*hdr)) { __be16 *tagp; /* tag just before us */ - tagp = (__be16 *)((char *)d + offset) - 1; - prevdup = (xfs_dir2_data_unused_t *)((char *)d + be16_to_cpu(*tagp)); + tagp = (__be16 *)((char *)hdr + offset) - 1; + prevdup = (xfs_dir2_data_unused_t *)((char *)hdr + be16_to_cpu(*tagp)); if (be16_to_cpu(prevdup->freetag) != XFS_DIR2_DATA_FREE_TAG) prevdup = NULL; } else @@ -557,9 +563,9 @@ xfs_dir2_data_make_free( * If this isn't the end of the block, see if the entry after * us is free. */ - if ((char *)d + offset + len < endptr) { + if ((char *)hdr + offset + len < endptr) { postdup = - (xfs_dir2_data_unused_t *)((char *)d + offset + len); + (xfs_dir2_data_unused_t *)((char *)hdr + offset + len); if (be16_to_cpu(postdup->freetag) != XFS_DIR2_DATA_FREE_TAG) postdup = NULL; } else @@ -576,21 +582,21 @@ xfs_dir2_data_make_free( /* * See if prevdup and/or postdup are in bestfree table. */ - dfp = xfs_dir2_data_freefind(d, prevdup); - dfp2 = xfs_dir2_data_freefind(d, postdup); + dfp = xfs_dir2_data_freefind(hdr, prevdup); + dfp2 = xfs_dir2_data_freefind(hdr, postdup); /* * We need a rescan unless there are exactly 2 free entries * namely our two. Then we know what's happening, otherwise * since the third bestfree is there, there might be more * entries. */ - needscan = (d->hdr.bestfree[2].length != 0); + needscan = (hdr->bestfree[2].length != 0); /* * Fix up the new big freespace. */ be16_add_cpu(&prevdup->length, len + be16_to_cpu(postdup->length)); *xfs_dir2_data_unused_tag_p(prevdup) = - cpu_to_be16((char *)prevdup - (char *)d); + cpu_to_be16((char *)prevdup - (char *)hdr); xfs_dir2_data_log_unused(tp, bp, prevdup); if (!needscan) { /* @@ -600,18 +606,18 @@ xfs_dir2_data_make_free( * Remove entry 1 first then entry 0. */ ASSERT(dfp && dfp2); - if (dfp == &d->hdr.bestfree[1]) { - dfp = &d->hdr.bestfree[0]; + if (dfp == &hdr->bestfree[1]) { + dfp = &hdr->bestfree[0]; ASSERT(dfp2 == dfp); - dfp2 = &d->hdr.bestfree[1]; + dfp2 = &hdr->bestfree[1]; } - xfs_dir2_data_freeremove(d, dfp2, needlogp); - xfs_dir2_data_freeremove(d, dfp, needlogp); + xfs_dir2_data_freeremove(hdr, dfp2, needlogp); + xfs_dir2_data_freeremove(hdr, dfp, needlogp); /* * Now insert the new entry. */ - dfp = xfs_dir2_data_freeinsert(d, prevdup, needlogp); - ASSERT(dfp == &d->hdr.bestfree[0]); + dfp = xfs_dir2_data_freeinsert(hdr, prevdup, needlogp); + ASSERT(dfp == &hdr->bestfree[0]); ASSERT(dfp->length == prevdup->length); ASSERT(!dfp[1].length); ASSERT(!dfp[2].length); @@ -621,10 +627,10 @@ xfs_dir2_data_make_free( * The entry before us is free, merge with it. */ else if (prevdup) { - dfp = xfs_dir2_data_freefind(d, prevdup); + dfp = xfs_dir2_data_freefind(hdr, prevdup); be16_add_cpu(&prevdup->length, len); *xfs_dir2_data_unused_tag_p(prevdup) = - cpu_to_be16((char *)prevdup - (char *)d); + cpu_to_be16((char *)prevdup - (char *)hdr); xfs_dir2_data_log_unused(tp, bp, prevdup); /* * If the previous entry was in the table, the new entry @@ -632,27 +638,27 @@ xfs_dir2_data_make_free( * the old one and add the new one. */ if (dfp) { - xfs_dir2_data_freeremove(d, dfp, needlogp); - (void)xfs_dir2_data_freeinsert(d, prevdup, needlogp); + xfs_dir2_data_freeremove(hdr, dfp, needlogp); + xfs_dir2_data_freeinsert(hdr, prevdup, needlogp); } /* * Otherwise we need a scan if the new entry is big enough. */ else { needscan = be16_to_cpu(prevdup->length) > - be16_to_cpu(d->hdr.bestfree[2].length); + be16_to_cpu(hdr->bestfree[2].length); } } /* * The following entry is free, merge with it. */ else if (postdup) { - dfp = xfs_dir2_data_freefind(d, postdup); - newdup = (xfs_dir2_data_unused_t *)((char *)d + offset); + dfp = xfs_dir2_data_freefind(hdr, postdup); + newdup = (xfs_dir2_data_unused_t *)((char *)hdr + offset); newdup->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG); newdup->length = cpu_to_be16(len + be16_to_cpu(postdup->length)); *xfs_dir2_data_unused_tag_p(newdup) = - cpu_to_be16((char *)newdup - (char *)d); + cpu_to_be16((char *)newdup - (char *)hdr); xfs_dir2_data_log_unused(tp, bp, newdup); /* * If the following entry was in the table, the new entry @@ -660,28 +666,28 @@ xfs_dir2_data_make_free( * the old one and add the new one. */ if (dfp) { - xfs_dir2_data_freeremove(d, dfp, needlogp); - (void)xfs_dir2_data_freeinsert(d, newdup, needlogp); + xfs_dir2_data_freeremove(hdr, dfp, needlogp); + xfs_dir2_data_freeinsert(hdr, newdup, needlogp); } /* * Otherwise we need a scan if the new entry is big enough. */ else { needscan = be16_to_cpu(newdup->length) > - be16_to_cpu(d->hdr.bestfree[2].length); + be16_to_cpu(hdr->bestfree[2].length); } } /* * Neither neighbor is free. Make a new entry. */ else { - newdup = (xfs_dir2_data_unused_t *)((char *)d + offset); + newdup = (xfs_dir2_data_unused_t *)((char *)hdr + offset); newdup->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG); newdup->length = cpu_to_be16(len); *xfs_dir2_data_unused_tag_p(newdup) = - cpu_to_be16((char *)newdup - (char *)d); + cpu_to_be16((char *)newdup - (char *)hdr); xfs_dir2_data_log_unused(tp, bp, newdup); - (void)xfs_dir2_data_freeinsert(d, newdup, needlogp); + xfs_dir2_data_freeinsert(hdr, newdup, needlogp); } *needscanp = needscan; } @@ -699,7 +705,7 @@ xfs_dir2_data_use_free( int *needlogp, /* out: need to log header */ int *needscanp) /* out: need regen bestfree */ { - xfs_dir2_data_t *d; /* data block */ + xfs_dir2_data_hdr_t *hdr; /* data block header */ xfs_dir2_data_free_t *dfp; /* bestfree pointer */ int matchback; /* matches end of freespace */ int matchfront; /* matches start of freespace */ @@ -708,24 +714,24 @@ xfs_dir2_data_use_free( xfs_dir2_data_unused_t *newdup2; /* another new unused entry */ int oldlen; /* old unused entry's length */ - d = bp->data; - ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || - be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); + hdr = bp->data; + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || + hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)); ASSERT(be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG); - ASSERT(offset >= (char *)dup - (char *)d); - ASSERT(offset + len <= (char *)dup + be16_to_cpu(dup->length) - (char *)d); - ASSERT((char *)dup - (char *)d == be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup))); + ASSERT(offset >= (char *)dup - (char *)hdr); + ASSERT(offset + len <= (char *)dup + be16_to_cpu(dup->length) - (char *)hdr); + ASSERT((char *)dup - (char *)hdr == be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup))); /* * Look up the entry in the bestfree table. */ - dfp = xfs_dir2_data_freefind(d, dup); + dfp = xfs_dir2_data_freefind(hdr, dup); oldlen = be16_to_cpu(dup->length); - ASSERT(dfp || oldlen <= be16_to_cpu(d->hdr.bestfree[2].length)); + ASSERT(dfp || oldlen <= be16_to_cpu(hdr->bestfree[2].length)); /* * Check for alignment with front and back of the entry. */ - matchfront = (char *)dup - (char *)d == offset; - matchback = (char *)dup + oldlen - (char *)d == offset + len; + matchfront = (char *)dup - (char *)hdr == offset; + matchback = (char *)dup + oldlen - (char *)hdr == offset + len; ASSERT(*needscanp == 0); needscan = 0; /* @@ -734,9 +740,9 @@ xfs_dir2_data_use_free( */ if (matchfront && matchback) { if (dfp) { - needscan = (d->hdr.bestfree[2].offset != 0); + needscan = (hdr->bestfree[2].offset != 0); if (!needscan) - xfs_dir2_data_freeremove(d, dfp, needlogp); + xfs_dir2_data_freeremove(hdr, dfp, needlogp); } } /* @@ -744,27 +750,27 @@ xfs_dir2_data_use_free( * Make a new entry with the remaining freespace. */ else if (matchfront) { - newdup = (xfs_dir2_data_unused_t *)((char *)d + offset + len); + newdup = (xfs_dir2_data_unused_t *)((char *)hdr + offset + len); newdup->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG); newdup->length = cpu_to_be16(oldlen - len); *xfs_dir2_data_unused_tag_p(newdup) = - cpu_to_be16((char *)newdup - (char *)d); + cpu_to_be16((char *)newdup - (char *)hdr); xfs_dir2_data_log_unused(tp, bp, newdup); /* * If it was in the table, remove it and add the new one. */ if (dfp) { - xfs_dir2_data_freeremove(d, dfp, needlogp); - dfp = xfs_dir2_data_freeinsert(d, newdup, needlogp); + xfs_dir2_data_freeremove(hdr, dfp, needlogp); + dfp = xfs_dir2_data_freeinsert(hdr, newdup, needlogp); ASSERT(dfp != NULL); ASSERT(dfp->length == newdup->length); - ASSERT(be16_to_cpu(dfp->offset) == (char *)newdup - (char *)d); + ASSERT(be16_to_cpu(dfp->offset) == (char *)newdup - (char *)hdr); /* * If we got inserted at the last slot, * that means we don't know if there was a better * choice for the last slot, or not. Rescan. */ - needscan = dfp == &d->hdr.bestfree[2]; + needscan = dfp == &hdr->bestfree[2]; } } /* @@ -773,25 +779,25 @@ xfs_dir2_data_use_free( */ else if (matchback) { newdup = dup; - newdup->length = cpu_to_be16(((char *)d + offset) - (char *)newdup); + newdup->length = cpu_to_be16(((char *)hdr + offset) - (char *)newdup); *xfs_dir2_data_unused_tag_p(newdup) = - cpu_to_be16((char *)newdup - (char *)d); + cpu_to_be16((char *)newdup - (char *)hdr); xfs_dir2_data_log_unused(tp, bp, newdup); /* * If it was in the table, remove it and add the new one. */ if (dfp) { - xfs_dir2_data_freeremove(d, dfp, needlogp); - dfp = xfs_dir2_data_freeinsert(d, newdup, needlogp); + xfs_dir2_data_freeremove(hdr, dfp, needlogp); + dfp = xfs_dir2_data_freeinsert(hdr, newdup, needlogp); ASSERT(dfp != NULL); ASSERT(dfp->length == newdup->length); - ASSERT(be16_to_cpu(dfp->offset) == (char *)newdup - (char *)d); + ASSERT(be16_to_cpu(dfp->offset) == (char *)newdup - (char *)hdr); /* * If we got inserted at the last slot, * that means we don't know if there was a better * choice for the last slot, or not. Rescan. */ - needscan = dfp == &d->hdr.bestfree[2]; + needscan = dfp == &hdr->bestfree[2]; } } /* @@ -800,15 +806,15 @@ xfs_dir2_data_use_free( */ else { newdup = dup; - newdup->length = cpu_to_be16(((char *)d + offset) - (char *)newdup); + newdup->length = cpu_to_be16(((char *)hdr + offset) - (char *)newdup); *xfs_dir2_data_unused_tag_p(newdup) = - cpu_to_be16((char *)newdup - (char *)d); + cpu_to_be16((char *)newdup - (char *)hdr); xfs_dir2_data_log_unused(tp, bp, newdup); - newdup2 = (xfs_dir2_data_unused_t *)((char *)d + offset + len); + newdup2 = (xfs_dir2_data_unused_t *)((char *)hdr + offset + len); newdup2->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG); newdup2->length = cpu_to_be16(oldlen - len - be16_to_cpu(newdup->length)); *xfs_dir2_data_unused_tag_p(newdup2) = - cpu_to_be16((char *)newdup2 - (char *)d); + cpu_to_be16((char *)newdup2 - (char *)hdr); xfs_dir2_data_log_unused(tp, bp, newdup2); /* * If the old entry was in the table, we need to scan @@ -819,13 +825,12 @@ xfs_dir2_data_use_free( * the 2 new will work. */ if (dfp) { - needscan = (d->hdr.bestfree[2].length != 0); + needscan = (hdr->bestfree[2].length != 0); if (!needscan) { - xfs_dir2_data_freeremove(d, dfp, needlogp); - (void)xfs_dir2_data_freeinsert(d, newdup, - needlogp); - (void)xfs_dir2_data_freeinsert(d, newdup2, - needlogp); + xfs_dir2_data_freeremove(hdr, dfp, needlogp); + xfs_dir2_data_freeinsert(hdr, newdup, needlogp); + xfs_dir2_data_freeinsert(hdr, newdup2, + needlogp); } } } diff --git a/fs/xfs/xfs_dir2_data.h b/fs/xfs/xfs_dir2_data.h deleted file mode 100644 index efbc290c7fec..000000000000 --- a/fs/xfs/xfs_dir2_data.h +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Copyright (c) 2000,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_DIR2_DATA_H__ -#define __XFS_DIR2_DATA_H__ - -/* - * Directory format 2, data block structures. - */ - -struct xfs_dabuf; -struct xfs_da_args; -struct xfs_inode; -struct xfs_trans; - -/* - * Constants. - */ -#define XFS_DIR2_DATA_MAGIC 0x58443244 /* XD2D: for multiblock dirs */ -#define XFS_DIR2_DATA_ALIGN_LOG 3 /* i.e., 8 bytes */ -#define XFS_DIR2_DATA_ALIGN (1 << XFS_DIR2_DATA_ALIGN_LOG) -#define XFS_DIR2_DATA_FREE_TAG 0xffff -#define XFS_DIR2_DATA_FD_COUNT 3 - -/* - * Directory address space divided into sections, - * spaces separated by 32GB. - */ -#define XFS_DIR2_SPACE_SIZE (1ULL << (32 + XFS_DIR2_DATA_ALIGN_LOG)) -#define XFS_DIR2_DATA_SPACE 0 -#define XFS_DIR2_DATA_OFFSET (XFS_DIR2_DATA_SPACE * XFS_DIR2_SPACE_SIZE) -#define XFS_DIR2_DATA_FIRSTDB(mp) \ - xfs_dir2_byte_to_db(mp, XFS_DIR2_DATA_OFFSET) - -/* - * Offsets of . and .. in data space (always block 0) - */ -#define XFS_DIR2_DATA_DOT_OFFSET \ - ((xfs_dir2_data_aoff_t)sizeof(xfs_dir2_data_hdr_t)) -#define XFS_DIR2_DATA_DOTDOT_OFFSET \ - (XFS_DIR2_DATA_DOT_OFFSET + xfs_dir2_data_entsize(1)) -#define XFS_DIR2_DATA_FIRST_OFFSET \ - (XFS_DIR2_DATA_DOTDOT_OFFSET + xfs_dir2_data_entsize(2)) - -/* - * Structures. - */ - -/* - * Describe a free area in the data block. - * The freespace will be formatted as a xfs_dir2_data_unused_t. - */ -typedef struct xfs_dir2_data_free { - __be16 offset; /* start of freespace */ - __be16 length; /* length of freespace */ -} xfs_dir2_data_free_t; - -/* - * Header for the data blocks. - * Always at the beginning of a directory-sized block. - * The code knows that XFS_DIR2_DATA_FD_COUNT is 3. - */ -typedef struct xfs_dir2_data_hdr { - __be32 magic; /* XFS_DIR2_DATA_MAGIC */ - /* or XFS_DIR2_BLOCK_MAGIC */ - xfs_dir2_data_free_t bestfree[XFS_DIR2_DATA_FD_COUNT]; -} xfs_dir2_data_hdr_t; - -/* - * Active entry in a data block. Aligned to 8 bytes. - * Tag appears as the last 2 bytes. - */ -typedef struct xfs_dir2_data_entry { - __be64 inumber; /* inode number */ - __u8 namelen; /* name length */ - __u8 name[1]; /* name bytes, no null */ - /* variable offset */ - __be16 tag; /* starting offset of us */ -} xfs_dir2_data_entry_t; - -/* - * Unused entry in a data block. Aligned to 8 bytes. - * Tag appears as the last 2 bytes. - */ -typedef struct xfs_dir2_data_unused { - __be16 freetag; /* XFS_DIR2_DATA_FREE_TAG */ - __be16 length; /* total free length */ - /* variable offset */ - __be16 tag; /* starting offset of us */ -} xfs_dir2_data_unused_t; - -typedef union { - xfs_dir2_data_entry_t entry; - xfs_dir2_data_unused_t unused; -} xfs_dir2_data_union_t; - -/* - * Generic data block structure, for xfs_db. - */ -typedef struct xfs_dir2_data { - xfs_dir2_data_hdr_t hdr; /* magic XFS_DIR2_DATA_MAGIC */ - xfs_dir2_data_union_t u[1]; -} xfs_dir2_data_t; - -/* - * Macros. - */ - -/* - * Size of a data entry. - */ -static inline int xfs_dir2_data_entsize(int n) -{ - return (int)roundup(offsetof(xfs_dir2_data_entry_t, name[0]) + (n) + \ - (uint)sizeof(xfs_dir2_data_off_t), XFS_DIR2_DATA_ALIGN); -} - -/* - * Pointer to an entry's tag word. - */ -static inline __be16 * -xfs_dir2_data_entry_tag_p(xfs_dir2_data_entry_t *dep) -{ - return (__be16 *)((char *)dep + - xfs_dir2_data_entsize(dep->namelen) - sizeof(__be16)); -} - -/* - * Pointer to a freespace's tag word. - */ -static inline __be16 * -xfs_dir2_data_unused_tag_p(xfs_dir2_data_unused_t *dup) -{ - return (__be16 *)((char *)dup + - be16_to_cpu(dup->length) - sizeof(__be16)); -} - -/* - * Function declarations. - */ -#ifdef DEBUG -extern void xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_dabuf *bp); -#else -#define xfs_dir2_data_check(dp,bp) -#endif -extern xfs_dir2_data_free_t *xfs_dir2_data_freefind(xfs_dir2_data_t *d, - xfs_dir2_data_unused_t *dup); -extern xfs_dir2_data_free_t *xfs_dir2_data_freeinsert(xfs_dir2_data_t *d, - xfs_dir2_data_unused_t *dup, int *loghead); -extern void xfs_dir2_data_freescan(struct xfs_mount *mp, xfs_dir2_data_t *d, - int *loghead); -extern int xfs_dir2_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno, - struct xfs_dabuf **bpp); -extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_dabuf *bp, - xfs_dir2_data_entry_t *dep); -extern void xfs_dir2_data_log_header(struct xfs_trans *tp, - struct xfs_dabuf *bp); -extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_dabuf *bp, - xfs_dir2_data_unused_t *dup); -extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_dabuf *bp, - xfs_dir2_data_aoff_t offset, - xfs_dir2_data_aoff_t len, int *needlogp, - int *needscanp); -extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_dabuf *bp, - xfs_dir2_data_unused_t *dup, - xfs_dir2_data_aoff_t offset, - xfs_dir2_data_aoff_t len, int *needlogp, - int *needscanp); - -#endif /* __XFS_DIR2_DATA_H__ */ diff --git a/fs/xfs/xfs_dir2_format.h b/fs/xfs/xfs_dir2_format.h new file mode 100644 index 000000000000..07270981f48f --- /dev/null +++ b/fs/xfs/xfs_dir2_format.h @@ -0,0 +1,597 @@ +/* + * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef __XFS_DIR2_FORMAT_H__ +#define __XFS_DIR2_FORMAT_H__ + +/* + * Directory version 2. + * + * There are 4 possible formats: + * - shortform - embedded into the inode + * - single block - data with embedded leaf at the end + * - multiple data blocks, single leaf+freeindex block + * - data blocks, node and leaf blocks (btree), freeindex blocks + * + * Note: many node blocks structures and constants are shared with the attr + * code and defined in xfs_da_btree.h. + */ + +#define XFS_DIR2_BLOCK_MAGIC 0x58443242 /* XD2B: single block dirs */ +#define XFS_DIR2_DATA_MAGIC 0x58443244 /* XD2D: multiblock dirs */ +#define XFS_DIR2_FREE_MAGIC 0x58443246 /* XD2F: free index blocks */ + +/* + * Byte offset in data block and shortform entry. + */ +typedef __uint16_t xfs_dir2_data_off_t; +#define NULLDATAOFF 0xffffU +typedef uint xfs_dir2_data_aoff_t; /* argument form */ + +/* + * Normalized offset (in a data block) of the entry, really xfs_dir2_data_off_t. + * Only need 16 bits, this is the byte offset into the single block form. + */ +typedef struct { __uint8_t i[2]; } __arch_pack xfs_dir2_sf_off_t; + +/* + * Offset in data space of a data entry. + */ +typedef __uint32_t xfs_dir2_dataptr_t; +#define XFS_DIR2_MAX_DATAPTR ((xfs_dir2_dataptr_t)0xffffffff) +#define XFS_DIR2_NULL_DATAPTR ((xfs_dir2_dataptr_t)0) + +/* + * Byte offset in a directory. + */ +typedef xfs_off_t xfs_dir2_off_t; + +/* + * Directory block number (logical dirblk in file) + */ +typedef __uint32_t xfs_dir2_db_t; + +/* + * Inode number stored as 8 8-bit values. + */ +typedef struct { __uint8_t i[8]; } xfs_dir2_ino8_t; + +/* + * Inode number stored as 4 8-bit values. + * Works a lot of the time, when all the inode numbers in a directory + * fit in 32 bits. + */ +typedef struct { __uint8_t i[4]; } xfs_dir2_ino4_t; + +typedef union { + xfs_dir2_ino8_t i8; + xfs_dir2_ino4_t i4; +} xfs_dir2_inou_t; +#define XFS_DIR2_MAX_SHORT_INUM ((xfs_ino_t)0xffffffffULL) + +/* + * Directory layout when stored internal to an inode. + * + * Small directories are packed as tightly as possible so as to fit into the + * literal area of the inode. These "shortform" directories consist of a + * single xfs_dir2_sf_hdr header followed by zero or more xfs_dir2_sf_entry + * structures. Due the different inode number storage size and the variable + * length name field in the xfs_dir2_sf_entry all these structure are + * variable length, and the accessors in this file should be used to iterate + * over them. + */ +typedef struct xfs_dir2_sf_hdr { + __uint8_t count; /* count of entries */ + __uint8_t i8count; /* count of 8-byte inode #s */ + xfs_dir2_inou_t parent; /* parent dir inode number */ +} __arch_pack xfs_dir2_sf_hdr_t; + +typedef struct xfs_dir2_sf_entry { + __u8 namelen; /* actual name length */ + xfs_dir2_sf_off_t offset; /* saved offset */ + __u8 name[]; /* name, variable size */ + /* + * A xfs_dir2_ino8_t or xfs_dir2_ino4_t follows here, at a + * variable offset after the name. + */ +} __arch_pack xfs_dir2_sf_entry_t; + +static inline int xfs_dir2_sf_hdr_size(int i8count) +{ + return sizeof(struct xfs_dir2_sf_hdr) - + (i8count == 0) * + (sizeof(xfs_dir2_ino8_t) - sizeof(xfs_dir2_ino4_t)); +} + +static inline xfs_dir2_data_aoff_t +xfs_dir2_sf_get_offset(xfs_dir2_sf_entry_t *sfep) +{ + return get_unaligned_be16(&sfep->offset.i); +} + +static inline void +xfs_dir2_sf_put_offset(xfs_dir2_sf_entry_t *sfep, xfs_dir2_data_aoff_t off) +{ + put_unaligned_be16(off, &sfep->offset.i); +} + +static inline int +xfs_dir2_sf_entsize(struct xfs_dir2_sf_hdr *hdr, int len) +{ + return sizeof(struct xfs_dir2_sf_entry) + /* namelen + offset */ + len + /* name */ + (hdr->i8count ? /* ino */ + sizeof(xfs_dir2_ino8_t) : + sizeof(xfs_dir2_ino4_t)); +} + +static inline struct xfs_dir2_sf_entry * +xfs_dir2_sf_firstentry(struct xfs_dir2_sf_hdr *hdr) +{ + return (struct xfs_dir2_sf_entry *) + ((char *)hdr + xfs_dir2_sf_hdr_size(hdr->i8count)); +} + +static inline struct xfs_dir2_sf_entry * +xfs_dir2_sf_nextentry(struct xfs_dir2_sf_hdr *hdr, + struct xfs_dir2_sf_entry *sfep) +{ + return (struct xfs_dir2_sf_entry *) + ((char *)sfep + xfs_dir2_sf_entsize(hdr, sfep->namelen)); +} + + +/* + * Data block structures. + * + * A pure data block looks like the following drawing on disk: + * + * +-------------------------------------------------+ + * | xfs_dir2_data_hdr_t | + * +-------------------------------------------------+ + * | xfs_dir2_data_entry_t OR xfs_dir2_data_unused_t | + * | xfs_dir2_data_entry_t OR xfs_dir2_data_unused_t | + * | xfs_dir2_data_entry_t OR xfs_dir2_data_unused_t | + * | ... | + * +-------------------------------------------------+ + * | unused space | + * +-------------------------------------------------+ + * + * As all the entries are variable size structures the accessors below should + * be used to iterate over them. + * + * In addition to the pure data blocks for the data and node formats, + * most structures are also used for the combined data/freespace "block" + * format below. + */ + +#define XFS_DIR2_DATA_ALIGN_LOG 3 /* i.e., 8 bytes */ +#define XFS_DIR2_DATA_ALIGN (1 << XFS_DIR2_DATA_ALIGN_LOG) +#define XFS_DIR2_DATA_FREE_TAG 0xffff +#define XFS_DIR2_DATA_FD_COUNT 3 + +/* + * Directory address space divided into sections, + * spaces separated by 32GB. + */ +#define XFS_DIR2_SPACE_SIZE (1ULL << (32 + XFS_DIR2_DATA_ALIGN_LOG)) +#define XFS_DIR2_DATA_SPACE 0 +#define XFS_DIR2_DATA_OFFSET (XFS_DIR2_DATA_SPACE * XFS_DIR2_SPACE_SIZE) +#define XFS_DIR2_DATA_FIRSTDB(mp) \ + xfs_dir2_byte_to_db(mp, XFS_DIR2_DATA_OFFSET) + +/* + * Offsets of . and .. in data space (always block 0) + */ +#define XFS_DIR2_DATA_DOT_OFFSET \ + ((xfs_dir2_data_aoff_t)sizeof(struct xfs_dir2_data_hdr)) +#define XFS_DIR2_DATA_DOTDOT_OFFSET \ + (XFS_DIR2_DATA_DOT_OFFSET + xfs_dir2_data_entsize(1)) +#define XFS_DIR2_DATA_FIRST_OFFSET \ + (XFS_DIR2_DATA_DOTDOT_OFFSET + xfs_dir2_data_entsize(2)) + +/* + * Describe a free area in the data block. + * + * The freespace will be formatted as a xfs_dir2_data_unused_t. + */ +typedef struct xfs_dir2_data_free { + __be16 offset; /* start of freespace */ + __be16 length; /* length of freespace */ +} xfs_dir2_data_free_t; + +/* + * Header for the data blocks. + * + * The code knows that XFS_DIR2_DATA_FD_COUNT is 3. + */ +typedef struct xfs_dir2_data_hdr { + __be32 magic; /* XFS_DIR2_DATA_MAGIC or */ + /* XFS_DIR2_BLOCK_MAGIC */ + xfs_dir2_data_free_t bestfree[XFS_DIR2_DATA_FD_COUNT]; +} xfs_dir2_data_hdr_t; + +/* + * Active entry in a data block. + * + * Aligned to 8 bytes. After the variable length name field there is a + * 2 byte tag field, which can be accessed using xfs_dir2_data_entry_tag_p. + */ +typedef struct xfs_dir2_data_entry { + __be64 inumber; /* inode number */ + __u8 namelen; /* name length */ + __u8 name[]; /* name bytes, no null */ + /* __be16 tag; */ /* starting offset of us */ +} xfs_dir2_data_entry_t; + +/* + * Unused entry in a data block. + * + * Aligned to 8 bytes. Tag appears as the last 2 bytes and must be accessed + * using xfs_dir2_data_unused_tag_p. + */ +typedef struct xfs_dir2_data_unused { + __be16 freetag; /* XFS_DIR2_DATA_FREE_TAG */ + __be16 length; /* total free length */ + /* variable offset */ + __be16 tag; /* starting offset of us */ +} xfs_dir2_data_unused_t; + +/* + * Size of a data entry. + */ +static inline int xfs_dir2_data_entsize(int n) +{ + return (int)roundup(offsetof(struct xfs_dir2_data_entry, name[0]) + n + + (uint)sizeof(xfs_dir2_data_off_t), XFS_DIR2_DATA_ALIGN); +} + +/* + * Pointer to an entry's tag word. + */ +static inline __be16 * +xfs_dir2_data_entry_tag_p(struct xfs_dir2_data_entry *dep) +{ + return (__be16 *)((char *)dep + + xfs_dir2_data_entsize(dep->namelen) - sizeof(__be16)); +} + +/* + * Pointer to a freespace's tag word. + */ +static inline __be16 * +xfs_dir2_data_unused_tag_p(struct xfs_dir2_data_unused *dup) +{ + return (__be16 *)((char *)dup + + be16_to_cpu(dup->length) - sizeof(__be16)); +} + +/* + * Leaf block structures. + * + * A pure leaf block looks like the following drawing on disk: + * + * +---------------------------+ + * | xfs_dir2_leaf_hdr_t | + * +---------------------------+ + * | xfs_dir2_leaf_entry_t | + * | xfs_dir2_leaf_entry_t | + * | xfs_dir2_leaf_entry_t | + * | xfs_dir2_leaf_entry_t | + * | ... | + * +---------------------------+ + * | xfs_dir2_data_off_t | + * | xfs_dir2_data_off_t | + * | xfs_dir2_data_off_t | + * | ... | + * +---------------------------+ + * | xfs_dir2_leaf_tail_t | + * +---------------------------+ + * + * The xfs_dir2_data_off_t members (bests) and tail are at the end of the block + * for single-leaf (magic = XFS_DIR2_LEAF1_MAGIC) blocks only, but not present + * for directories with separate leaf nodes and free space blocks + * (magic = XFS_DIR2_LEAFN_MAGIC). + * + * As all the entries are variable size structures the accessors below should + * be used to iterate over them. + */ + +/* + * Offset of the leaf/node space. First block in this space + * is the btree root. + */ +#define XFS_DIR2_LEAF_SPACE 1 +#define XFS_DIR2_LEAF_OFFSET (XFS_DIR2_LEAF_SPACE * XFS_DIR2_SPACE_SIZE) +#define XFS_DIR2_LEAF_FIRSTDB(mp) \ + xfs_dir2_byte_to_db(mp, XFS_DIR2_LEAF_OFFSET) + +/* + * Leaf block header. + */ +typedef struct xfs_dir2_leaf_hdr { + xfs_da_blkinfo_t info; /* header for da routines */ + __be16 count; /* count of entries */ + __be16 stale; /* count of stale entries */ +} xfs_dir2_leaf_hdr_t; + +/* + * Leaf block entry. + */ +typedef struct xfs_dir2_leaf_entry { + __be32 hashval; /* hash value of name */ + __be32 address; /* address of data entry */ +} xfs_dir2_leaf_entry_t; + +/* + * Leaf block tail. + */ +typedef struct xfs_dir2_leaf_tail { + __be32 bestcount; +} xfs_dir2_leaf_tail_t; + +/* + * Leaf block. + */ +typedef struct xfs_dir2_leaf { + xfs_dir2_leaf_hdr_t hdr; /* leaf header */ + xfs_dir2_leaf_entry_t ents[]; /* entries */ +} xfs_dir2_leaf_t; + +/* + * DB blocks here are logical directory block numbers, not filesystem blocks. + */ + +static inline int xfs_dir2_max_leaf_ents(struct xfs_mount *mp) +{ + return (mp->m_dirblksize - (uint)sizeof(struct xfs_dir2_leaf_hdr)) / + (uint)sizeof(struct xfs_dir2_leaf_entry); +} + +/* + * Get address of the bestcount field in the single-leaf block. + */ +static inline struct xfs_dir2_leaf_tail * +xfs_dir2_leaf_tail_p(struct xfs_mount *mp, struct xfs_dir2_leaf *lp) +{ + return (struct xfs_dir2_leaf_tail *) + ((char *)lp + mp->m_dirblksize - + sizeof(struct xfs_dir2_leaf_tail)); +} + +/* + * Get address of the bests array in the single-leaf block. + */ +static inline __be16 * +xfs_dir2_leaf_bests_p(struct xfs_dir2_leaf_tail *ltp) +{ + return (__be16 *)ltp - be32_to_cpu(ltp->bestcount); +} + +/* + * Convert dataptr to byte in file space + */ +static inline xfs_dir2_off_t +xfs_dir2_dataptr_to_byte(struct xfs_mount *mp, xfs_dir2_dataptr_t dp) +{ + return (xfs_dir2_off_t)dp << XFS_DIR2_DATA_ALIGN_LOG; +} + +/* + * Convert byte in file space to dataptr. It had better be aligned. + */ +static inline xfs_dir2_dataptr_t +xfs_dir2_byte_to_dataptr(struct xfs_mount *mp, xfs_dir2_off_t by) +{ + return (xfs_dir2_dataptr_t)(by >> XFS_DIR2_DATA_ALIGN_LOG); +} + +/* + * Convert byte in space to (DB) block + */ +static inline xfs_dir2_db_t +xfs_dir2_byte_to_db(struct xfs_mount *mp, xfs_dir2_off_t by) +{ + return (xfs_dir2_db_t) + (by >> (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)); +} + +/* + * Convert dataptr to a block number + */ +static inline xfs_dir2_db_t +xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp) +{ + return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(mp, dp)); +} + +/* + * Convert byte in space to offset in a block + */ +static inline xfs_dir2_data_aoff_t +xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by) +{ + return (xfs_dir2_data_aoff_t)(by & + ((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) - 1)); +} + +/* + * Convert dataptr to a byte offset in a block + */ +static inline xfs_dir2_data_aoff_t +xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp) +{ + return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(mp, dp)); +} + +/* + * Convert block and offset to byte in space + */ +static inline xfs_dir2_off_t +xfs_dir2_db_off_to_byte(struct xfs_mount *mp, xfs_dir2_db_t db, + xfs_dir2_data_aoff_t o) +{ + return ((xfs_dir2_off_t)db << + (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) + o; +} + +/* + * Convert block (DB) to block (dablk) + */ +static inline xfs_dablk_t +xfs_dir2_db_to_da(struct xfs_mount *mp, xfs_dir2_db_t db) +{ + return (xfs_dablk_t)(db << mp->m_sb.sb_dirblklog); +} + +/* + * Convert byte in space to (DA) block + */ +static inline xfs_dablk_t +xfs_dir2_byte_to_da(struct xfs_mount *mp, xfs_dir2_off_t by) +{ + return xfs_dir2_db_to_da(mp, xfs_dir2_byte_to_db(mp, by)); +} + +/* + * Convert block and offset to dataptr + */ +static inline xfs_dir2_dataptr_t +xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db, + xfs_dir2_data_aoff_t o) +{ + return xfs_dir2_byte_to_dataptr(mp, xfs_dir2_db_off_to_byte(mp, db, o)); +} + +/* + * Convert block (dablk) to block (DB) + */ +static inline xfs_dir2_db_t +xfs_dir2_da_to_db(struct xfs_mount *mp, xfs_dablk_t da) +{ + return (xfs_dir2_db_t)(da >> mp->m_sb.sb_dirblklog); +} + +/* + * Convert block (dablk) to byte offset in space + */ +static inline xfs_dir2_off_t +xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da) +{ + return xfs_dir2_db_off_to_byte(mp, xfs_dir2_da_to_db(mp, da), 0); +} + +/* + * Free space block defintions for the node format. + */ + +/* + * Offset of the freespace index. + */ +#define XFS_DIR2_FREE_SPACE 2 +#define XFS_DIR2_FREE_OFFSET (XFS_DIR2_FREE_SPACE * XFS_DIR2_SPACE_SIZE) +#define XFS_DIR2_FREE_FIRSTDB(mp) \ + xfs_dir2_byte_to_db(mp, XFS_DIR2_FREE_OFFSET) + +typedef struct xfs_dir2_free_hdr { + __be32 magic; /* XFS_DIR2_FREE_MAGIC */ + __be32 firstdb; /* db of first entry */ + __be32 nvalid; /* count of valid entries */ + __be32 nused; /* count of used entries */ +} xfs_dir2_free_hdr_t; + +typedef struct xfs_dir2_free { + xfs_dir2_free_hdr_t hdr; /* block header */ + __be16 bests[]; /* best free counts */ + /* unused entries are -1 */ +} xfs_dir2_free_t; + +static inline int xfs_dir2_free_max_bests(struct xfs_mount *mp) +{ + return (mp->m_dirblksize - sizeof(struct xfs_dir2_free_hdr)) / + sizeof(xfs_dir2_data_off_t); +} + +/* + * Convert data space db to the corresponding free db. + */ +static inline xfs_dir2_db_t +xfs_dir2_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db) +{ + return XFS_DIR2_FREE_FIRSTDB(mp) + db / xfs_dir2_free_max_bests(mp); +} + +/* + * Convert data space db to the corresponding index in a free db. + */ +static inline int +xfs_dir2_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db) +{ + return db % xfs_dir2_free_max_bests(mp); +} + +/* + * Single block format. + * + * The single block format looks like the following drawing on disk: + * + * +-------------------------------------------------+ + * | xfs_dir2_data_hdr_t | + * +-------------------------------------------------+ + * | xfs_dir2_data_entry_t OR xfs_dir2_data_unused_t | + * | xfs_dir2_data_entry_t OR xfs_dir2_data_unused_t | + * | xfs_dir2_data_entry_t OR xfs_dir2_data_unused_t : + * | ... | + * +-------------------------------------------------+ + * | unused space | + * +-------------------------------------------------+ + * | ... | + * | xfs_dir2_leaf_entry_t | + * | xfs_dir2_leaf_entry_t | + * +-------------------------------------------------+ + * | xfs_dir2_block_tail_t | + * +-------------------------------------------------+ + * + * As all the entries are variable size structures the accessors below should + * be used to iterate over them. + */ + +typedef struct xfs_dir2_block_tail { + __be32 count; /* count of leaf entries */ + __be32 stale; /* count of stale lf entries */ +} xfs_dir2_block_tail_t; + +/* + * Pointer to the leaf header embedded in a data block (1-block format) + */ +static inline struct xfs_dir2_block_tail * +xfs_dir2_block_tail_p(struct xfs_mount *mp, struct xfs_dir2_data_hdr *hdr) +{ + return ((struct xfs_dir2_block_tail *) + ((char *)hdr + mp->m_dirblksize)) - 1; +} + +/* + * Pointer to the leaf entries embedded in a data block (1-block format) + */ +static inline struct xfs_dir2_leaf_entry * +xfs_dir2_block_leaf_p(struct xfs_dir2_block_tail *btp) +{ + return ((struct xfs_dir2_leaf_entry *)btp) - be32_to_cpu(btp->count); +} + +#endif /* __XFS_DIR2_FORMAT_H__ */ diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index ae891223be90..ca2386d82cdf 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -24,18 +24,14 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir2.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_bmap.h" -#include "xfs_dir2_data.h" -#include "xfs_dir2_leaf.h" -#include "xfs_dir2_block.h" -#include "xfs_dir2_node.h" +#include "xfs_dir2_format.h" +#include "xfs_dir2_priv.h" #include "xfs_error.h" #include "xfs_trace.h" @@ -64,7 +60,7 @@ xfs_dir2_block_to_leaf( { __be16 *bestsp; /* leaf's bestsp entries */ xfs_dablk_t blkno; /* leaf block's bno */ - xfs_dir2_block_t *block; /* block structure */ + xfs_dir2_data_hdr_t *hdr; /* block header */ xfs_dir2_leaf_entry_t *blp; /* block's leaf entries */ xfs_dir2_block_tail_t *btp; /* block's tail */ xfs_inode_t *dp; /* incore directory inode */ @@ -101,9 +97,9 @@ xfs_dir2_block_to_leaf( } ASSERT(lbp != NULL); leaf = lbp->data; - block = dbp->data; + hdr = dbp->data; xfs_dir2_data_check(dp, dbp); - btp = xfs_dir2_block_tail_p(mp, block); + btp = xfs_dir2_block_tail_p(mp, hdr); blp = xfs_dir2_block_leaf_p(btp); /* * Set the counts in the leaf header. @@ -123,23 +119,23 @@ xfs_dir2_block_to_leaf( * tail be free. */ xfs_dir2_data_make_free(tp, dbp, - (xfs_dir2_data_aoff_t)((char *)blp - (char *)block), - (xfs_dir2_data_aoff_t)((char *)block + mp->m_dirblksize - + (xfs_dir2_data_aoff_t)((char *)blp - (char *)hdr), + (xfs_dir2_data_aoff_t)((char *)hdr + mp->m_dirblksize - (char *)blp), &needlog, &needscan); /* * Fix up the block header, make it a data block. */ - block->hdr.magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC); + hdr->magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC); if (needscan) - xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)block, &needlog); + xfs_dir2_data_freescan(mp, hdr, &needlog); /* * Set up leaf tail and bests table. */ ltp = xfs_dir2_leaf_tail_p(mp, leaf); ltp->bestcount = cpu_to_be32(1); bestsp = xfs_dir2_leaf_bests_p(ltp); - bestsp[0] = block->hdr.bestfree[0].length; + bestsp[0] = hdr->bestfree[0].length; /* * Log the data header and leaf bests table. */ @@ -152,6 +148,131 @@ xfs_dir2_block_to_leaf( return 0; } +STATIC void +xfs_dir2_leaf_find_stale( + struct xfs_dir2_leaf *leaf, + int index, + int *lowstale, + int *highstale) +{ + /* + * Find the first stale entry before our index, if any. + */ + for (*lowstale = index - 1; *lowstale >= 0; --*lowstale) { + if (leaf->ents[*lowstale].address == + cpu_to_be32(XFS_DIR2_NULL_DATAPTR)) + break; + } + + /* + * Find the first stale entry at or after our index, if any. + * Stop if the result would require moving more entries than using + * lowstale. + */ + for (*highstale = index; + *highstale < be16_to_cpu(leaf->hdr.count); + ++*highstale) { + if (leaf->ents[*highstale].address == + cpu_to_be32(XFS_DIR2_NULL_DATAPTR)) + break; + if (*lowstale >= 0 && index - *lowstale <= *highstale - index) + break; + } +} + +struct xfs_dir2_leaf_entry * +xfs_dir2_leaf_find_entry( + xfs_dir2_leaf_t *leaf, /* leaf structure */ + int index, /* leaf table position */ + int compact, /* need to compact leaves */ + int lowstale, /* index of prev stale leaf */ + int highstale, /* index of next stale leaf */ + int *lfloglow, /* low leaf logging index */ + int *lfloghigh) /* high leaf logging index */ +{ + if (!leaf->hdr.stale) { + xfs_dir2_leaf_entry_t *lep; /* leaf entry table pointer */ + + /* + * Now we need to make room to insert the leaf entry. + * + * If there are no stale entries, just insert a hole at index. + */ + lep = &leaf->ents[index]; + if (index < be16_to_cpu(leaf->hdr.count)) + memmove(lep + 1, lep, + (be16_to_cpu(leaf->hdr.count) - index) * + sizeof(*lep)); + + /* + * Record low and high logging indices for the leaf. + */ + *lfloglow = index; + *lfloghigh = be16_to_cpu(leaf->hdr.count); + be16_add_cpu(&leaf->hdr.count, 1); + return lep; + } + + /* + * There are stale entries. + * + * We will use one of them for the new entry. It's probably not at + * the right location, so we'll have to shift some up or down first. + * + * If we didn't compact before, we need to find the nearest stale + * entries before and after our insertion point. + */ + if (compact == 0) + xfs_dir2_leaf_find_stale(leaf, index, &lowstale, &highstale); + + /* + * If the low one is better, use it. + */ + if (lowstale >= 0 && + (highstale == be16_to_cpu(leaf->hdr.count) || + index - lowstale - 1 < highstale - index)) { + ASSERT(index - lowstale - 1 >= 0); + ASSERT(leaf->ents[lowstale].address == + cpu_to_be32(XFS_DIR2_NULL_DATAPTR)); + + /* + * Copy entries up to cover the stale entry and make room + * for the new entry. + */ + if (index - lowstale - 1 > 0) { + memmove(&leaf->ents[lowstale], + &leaf->ents[lowstale + 1], + (index - lowstale - 1) * + sizeof(xfs_dir2_leaf_entry_t)); + } + *lfloglow = MIN(lowstale, *lfloglow); + *lfloghigh = MAX(index - 1, *lfloghigh); + be16_add_cpu(&leaf->hdr.stale, -1); + return &leaf->ents[index - 1]; + } + + /* + * The high one is better, so use that one. + */ + ASSERT(highstale - index >= 0); + ASSERT(leaf->ents[highstale].address == + cpu_to_be32(XFS_DIR2_NULL_DATAPTR)); + + /* + * Copy entries down to cover the stale entry and make room for the + * new entry. + */ + if (highstale - index > 0) { + memmove(&leaf->ents[index + 1], + &leaf->ents[index], + (highstale - index) * sizeof(xfs_dir2_leaf_entry_t)); + } + *lfloglow = MIN(index, *lfloglow); + *lfloghigh = MAX(highstale, *lfloghigh); + be16_add_cpu(&leaf->hdr.stale, -1); + return &leaf->ents[index]; +} + /* * Add an entry to a leaf form directory. */ @@ -161,7 +282,7 @@ xfs_dir2_leaf_addname( { __be16 *bestsp; /* freespace table in leaf */ int compact; /* need to compact leaves */ - xfs_dir2_data_t *data; /* data block structure */ + xfs_dir2_data_hdr_t *hdr; /* data block header */ xfs_dabuf_t *dbp; /* data block buffer */ xfs_dir2_data_entry_t *dep; /* data block entry */ xfs_inode_t *dp; /* incore directory inode */ @@ -225,7 +346,7 @@ xfs_dir2_leaf_addname( continue; i = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address)); ASSERT(i < be32_to_cpu(ltp->bestcount)); - ASSERT(be16_to_cpu(bestsp[i]) != NULLDATAOFF); + ASSERT(bestsp[i] != cpu_to_be16(NULLDATAOFF)); if (be16_to_cpu(bestsp[i]) >= length) { use_block = i; break; @@ -239,7 +360,8 @@ xfs_dir2_leaf_addname( /* * Remember a block we see that's missing. */ - if (be16_to_cpu(bestsp[i]) == NULLDATAOFF && use_block == -1) + if (bestsp[i] == cpu_to_be16(NULLDATAOFF) && + use_block == -1) use_block = i; else if (be16_to_cpu(bestsp[i]) >= length) { use_block = i; @@ -250,14 +372,17 @@ xfs_dir2_leaf_addname( /* * How many bytes do we need in the leaf block? */ - needbytes = - (leaf->hdr.stale ? 0 : (uint)sizeof(leaf->ents[0])) + - (use_block != -1 ? 0 : (uint)sizeof(leaf->bests[0])); + needbytes = 0; + if (!leaf->hdr.stale) + needbytes += sizeof(xfs_dir2_leaf_entry_t); + if (use_block == -1) + needbytes += sizeof(xfs_dir2_data_off_t); + /* * Now kill use_block if it refers to a missing block, so we * can use it as an indication of allocation needed. */ - if (use_block != -1 && be16_to_cpu(bestsp[use_block]) == NULLDATAOFF) + if (use_block != -1 && bestsp[use_block] == cpu_to_be16(NULLDATAOFF)) use_block = -1; /* * If we don't have enough free bytes but we can make enough @@ -369,8 +494,8 @@ xfs_dir2_leaf_addname( */ else xfs_dir2_leaf_log_bests(tp, lbp, use_block, use_block); - data = dbp->data; - bestsp[use_block] = data->hdr.bestfree[0].length; + hdr = dbp->data; + bestsp[use_block] = hdr->bestfree[0].length; grown = 1; } /* @@ -384,7 +509,7 @@ xfs_dir2_leaf_addname( xfs_da_brelse(tp, lbp); return error; } - data = dbp->data; + hdr = dbp->data; grown = 0; } xfs_dir2_data_check(dp, dbp); @@ -392,14 +517,14 @@ xfs_dir2_leaf_addname( * Point to the biggest freespace in our data block. */ dup = (xfs_dir2_data_unused_t *) - ((char *)data + be16_to_cpu(data->hdr.bestfree[0].offset)); + ((char *)hdr + be16_to_cpu(hdr->bestfree[0].offset)); ASSERT(be16_to_cpu(dup->length) >= length); needscan = needlog = 0; /* * Mark the initial part of our freespace in use for the new entry. */ xfs_dir2_data_use_free(tp, dbp, dup, - (xfs_dir2_data_aoff_t)((char *)dup - (char *)data), length, + (xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr), length, &needlog, &needscan); /* * Initialize our new entry (at last). @@ -409,12 +534,12 @@ xfs_dir2_leaf_addname( dep->namelen = args->namelen; memcpy(dep->name, args->name, dep->namelen); tagp = xfs_dir2_data_entry_tag_p(dep); - *tagp = cpu_to_be16((char *)dep - (char *)data); + *tagp = cpu_to_be16((char *)dep - (char *)hdr); /* * Need to scan fix up the bestfree table. */ if (needscan) - xfs_dir2_data_freescan(mp, data, &needlog); + xfs_dir2_data_freescan(mp, hdr, &needlog); /* * Need to log the data block's header. */ @@ -425,107 +550,15 @@ xfs_dir2_leaf_addname( * If the bests table needs to be changed, do it. * Log the change unless we've already done that. */ - if (be16_to_cpu(bestsp[use_block]) != be16_to_cpu(data->hdr.bestfree[0].length)) { - bestsp[use_block] = data->hdr.bestfree[0].length; + if (be16_to_cpu(bestsp[use_block]) != be16_to_cpu(hdr->bestfree[0].length)) { + bestsp[use_block] = hdr->bestfree[0].length; if (!grown) xfs_dir2_leaf_log_bests(tp, lbp, use_block, use_block); } - /* - * Now we need to make room to insert the leaf entry. - * If there are no stale entries, we just insert a hole at index. - */ - if (!leaf->hdr.stale) { - /* - * lep is still good as the index leaf entry. - */ - if (index < be16_to_cpu(leaf->hdr.count)) - memmove(lep + 1, lep, - (be16_to_cpu(leaf->hdr.count) - index) * sizeof(*lep)); - /* - * Record low and high logging indices for the leaf. - */ - lfloglow = index; - lfloghigh = be16_to_cpu(leaf->hdr.count); - be16_add_cpu(&leaf->hdr.count, 1); - } - /* - * There are stale entries. - * We will use one of them for the new entry. - * It's probably not at the right location, so we'll have to - * shift some up or down first. - */ - else { - /* - * If we didn't compact before, we need to find the nearest - * stale entries before and after our insertion point. - */ - if (compact == 0) { - /* - * Find the first stale entry before the insertion - * point, if any. - */ - for (lowstale = index - 1; - lowstale >= 0 && - be32_to_cpu(leaf->ents[lowstale].address) != - XFS_DIR2_NULL_DATAPTR; - lowstale--) - continue; - /* - * Find the next stale entry at or after the insertion - * point, if any. Stop if we go so far that the - * lowstale entry would be better. - */ - for (highstale = index; - highstale < be16_to_cpu(leaf->hdr.count) && - be32_to_cpu(leaf->ents[highstale].address) != - XFS_DIR2_NULL_DATAPTR && - (lowstale < 0 || - index - lowstale - 1 >= highstale - index); - highstale++) - continue; - } - /* - * If the low one is better, use it. - */ - if (lowstale >= 0 && - (highstale == be16_to_cpu(leaf->hdr.count) || - index - lowstale - 1 < highstale - index)) { - ASSERT(index - lowstale - 1 >= 0); - ASSERT(be32_to_cpu(leaf->ents[lowstale].address) == - XFS_DIR2_NULL_DATAPTR); - /* - * Copy entries up to cover the stale entry - * and make room for the new entry. - */ - if (index - lowstale - 1 > 0) - memmove(&leaf->ents[lowstale], - &leaf->ents[lowstale + 1], - (index - lowstale - 1) * sizeof(*lep)); - lep = &leaf->ents[index - 1]; - lfloglow = MIN(lowstale, lfloglow); - lfloghigh = MAX(index - 1, lfloghigh); - } - /* - * The high one is better, so use that one. - */ - else { - ASSERT(highstale - index >= 0); - ASSERT(be32_to_cpu(leaf->ents[highstale].address) == - XFS_DIR2_NULL_DATAPTR); - /* - * Copy entries down to cover the stale entry - * and make room for the new entry. - */ - if (highstale - index > 0) - memmove(&leaf->ents[index + 1], - &leaf->ents[index], - (highstale - index) * sizeof(*lep)); - lep = &leaf->ents[index]; - lfloglow = MIN(index, lfloglow); - lfloghigh = MAX(highstale, lfloghigh); - } - be16_add_cpu(&leaf->hdr.stale, -1); - } + + lep = xfs_dir2_leaf_find_entry(leaf, index, compact, lowstale, + highstale, &lfloglow, &lfloghigh); + /* * Fill in the new leaf entry. */ @@ -562,7 +595,7 @@ xfs_dir2_leaf_check( leaf = bp->data; mp = dp->i_mount; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAF1_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAF1_MAGIC)); /* * This value is not restrictive enough. * Should factor in the size of the bests table as well. @@ -582,7 +615,7 @@ xfs_dir2_leaf_check( if (i + 1 < be16_to_cpu(leaf->hdr.count)) ASSERT(be32_to_cpu(leaf->ents[i].hashval) <= be32_to_cpu(leaf->ents[i + 1].hashval)); - if (be32_to_cpu(leaf->ents[i].address) == XFS_DIR2_NULL_DATAPTR) + if (leaf->ents[i].address == cpu_to_be32(XFS_DIR2_NULL_DATAPTR)) stale++; } ASSERT(be16_to_cpu(leaf->hdr.stale) == stale); @@ -611,7 +644,8 @@ xfs_dir2_leaf_compact( * Compress out the stale entries in place. */ for (from = to = 0, loglow = -1; from < be16_to_cpu(leaf->hdr.count); from++) { - if (be32_to_cpu(leaf->ents[from].address) == XFS_DIR2_NULL_DATAPTR) + if (leaf->ents[from].address == + cpu_to_be32(XFS_DIR2_NULL_DATAPTR)) continue; /* * Only actually copy the entries that are different. @@ -663,24 +697,9 @@ xfs_dir2_leaf_compact_x1( leaf = bp->data; ASSERT(be16_to_cpu(leaf->hdr.stale) > 1); index = *indexp; - /* - * Find the first stale entry before our index, if any. - */ - for (lowstale = index - 1; - lowstale >= 0 && - be32_to_cpu(leaf->ents[lowstale].address) != XFS_DIR2_NULL_DATAPTR; - lowstale--) - continue; - /* - * Find the first stale entry at or after our index, if any. - * Stop if the answer would be worse than lowstale. - */ - for (highstale = index; - highstale < be16_to_cpu(leaf->hdr.count) && - be32_to_cpu(leaf->ents[highstale].address) != XFS_DIR2_NULL_DATAPTR && - (lowstale < 0 || index - lowstale > highstale - index); - highstale++) - continue; + + xfs_dir2_leaf_find_stale(leaf, index, &lowstale, &highstale); + /* * Pick the better of lowstale and highstale. */ @@ -701,7 +720,8 @@ xfs_dir2_leaf_compact_x1( if (index == from) newindex = to; if (from != keepstale && - be32_to_cpu(leaf->ents[from].address) == XFS_DIR2_NULL_DATAPTR) { + leaf->ents[from].address == + cpu_to_be32(XFS_DIR2_NULL_DATAPTR)) { if (from == to) *lowlogp = to; continue; @@ -760,7 +780,7 @@ xfs_dir2_leaf_getdents( int byteoff; /* offset in current block */ xfs_dir2_db_t curdb; /* db for current block */ xfs_dir2_off_t curoff; /* current overall offset */ - xfs_dir2_data_t *data; /* data block structure */ + xfs_dir2_data_hdr_t *hdr; /* data block header */ xfs_dir2_data_entry_t *dep; /* data entry */ xfs_dir2_data_unused_t *dup; /* unused entry */ int error = 0; /* error return value */ @@ -1018,23 +1038,23 @@ xfs_dir2_leaf_getdents( else if (curoff > newoff) ASSERT(xfs_dir2_byte_to_db(mp, curoff) == curdb); - data = bp->data; + hdr = bp->data; xfs_dir2_data_check(dp, bp); /* * Find our position in the block. */ - ptr = (char *)&data->u; + ptr = (char *)(hdr + 1); byteoff = xfs_dir2_byte_to_off(mp, curoff); /* * Skip past the header. */ if (byteoff == 0) - curoff += (uint)sizeof(data->hdr); + curoff += (uint)sizeof(*hdr); /* * Skip past entries until we reach our offset. */ else { - while ((char *)ptr - (char *)data < byteoff) { + while ((char *)ptr - (char *)hdr < byteoff) { dup = (xfs_dir2_data_unused_t *)ptr; if (be16_to_cpu(dup->freetag) @@ -1055,8 +1075,8 @@ xfs_dir2_leaf_getdents( curoff = xfs_dir2_db_off_to_byte(mp, xfs_dir2_byte_to_db(mp, curoff), - (char *)ptr - (char *)data); - if (ptr >= (char *)data + mp->m_dirblksize) { + (char *)ptr - (char *)hdr); + if (ptr >= (char *)hdr + mp->m_dirblksize) { continue; } } @@ -1179,7 +1199,7 @@ xfs_dir2_leaf_log_bests( xfs_dir2_leaf_tail_t *ltp; /* leaf tail structure */ leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAF1_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAF1_MAGIC)); ltp = xfs_dir2_leaf_tail_p(tp->t_mountp, leaf); firstb = xfs_dir2_leaf_bests_p(ltp) + first; lastb = xfs_dir2_leaf_bests_p(ltp) + last; @@ -1202,8 +1222,8 @@ xfs_dir2_leaf_log_ents( xfs_dir2_leaf_t *leaf; /* leaf structure */ leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAF1_MAGIC || - be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAF1_MAGIC) || + leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); firstlep = &leaf->ents[first]; lastlep = &leaf->ents[last]; xfs_da_log_buf(tp, bp, (uint)((char *)firstlep - (char *)leaf), @@ -1221,8 +1241,8 @@ xfs_dir2_leaf_log_header( xfs_dir2_leaf_t *leaf; /* leaf structure */ leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAF1_MAGIC || - be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAF1_MAGIC) || + leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); xfs_da_log_buf(tp, bp, (uint)((char *)&leaf->hdr - (char *)leaf), (uint)(sizeof(leaf->hdr) - 1)); } @@ -1241,7 +1261,7 @@ xfs_dir2_leaf_log_tail( mp = tp->t_mountp; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAF1_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAF1_MAGIC)); ltp = xfs_dir2_leaf_tail_p(mp, leaf); xfs_da_log_buf(tp, bp, (uint)((char *)ltp - (char *)leaf), (uint)(mp->m_dirblksize - 1)); @@ -1437,7 +1457,7 @@ xfs_dir2_leaf_removename( xfs_da_args_t *args) /* operation arguments */ { __be16 *bestsp; /* leaf block best freespace */ - xfs_dir2_data_t *data; /* data block structure */ + xfs_dir2_data_hdr_t *hdr; /* data block header */ xfs_dir2_db_t db; /* data block number */ xfs_dabuf_t *dbp; /* data block buffer */ xfs_dir2_data_entry_t *dep; /* data entry structure */ @@ -1467,7 +1487,7 @@ xfs_dir2_leaf_removename( tp = args->trans; mp = dp->i_mount; leaf = lbp->data; - data = dbp->data; + hdr = dbp->data; xfs_dir2_data_check(dp, dbp); /* * Point to the leaf entry, use that to point to the data entry. @@ -1475,9 +1495,9 @@ xfs_dir2_leaf_removename( lep = &leaf->ents[index]; db = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address)); dep = (xfs_dir2_data_entry_t *) - ((char *)data + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address))); + ((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address))); needscan = needlog = 0; - oldbest = be16_to_cpu(data->hdr.bestfree[0].length); + oldbest = be16_to_cpu(hdr->bestfree[0].length); ltp = xfs_dir2_leaf_tail_p(mp, leaf); bestsp = xfs_dir2_leaf_bests_p(ltp); ASSERT(be16_to_cpu(bestsp[db]) == oldbest); @@ -1485,7 +1505,7 @@ xfs_dir2_leaf_removename( * Mark the former data entry unused. */ xfs_dir2_data_make_free(tp, dbp, - (xfs_dir2_data_aoff_t)((char *)dep - (char *)data), + (xfs_dir2_data_aoff_t)((char *)dep - (char *)hdr), xfs_dir2_data_entsize(dep->namelen), &needlog, &needscan); /* * We just mark the leaf entry stale by putting a null in it. @@ -1499,23 +1519,23 @@ xfs_dir2_leaf_removename( * log the data block header if necessary. */ if (needscan) - xfs_dir2_data_freescan(mp, data, &needlog); + xfs_dir2_data_freescan(mp, hdr, &needlog); if (needlog) xfs_dir2_data_log_header(tp, dbp); /* * If the longest freespace in the data block has changed, * put the new value in the bests table and log that. */ - if (be16_to_cpu(data->hdr.bestfree[0].length) != oldbest) { - bestsp[db] = data->hdr.bestfree[0].length; + if (be16_to_cpu(hdr->bestfree[0].length) != oldbest) { + bestsp[db] = hdr->bestfree[0].length; xfs_dir2_leaf_log_bests(tp, lbp, db, db); } xfs_dir2_data_check(dp, dbp); /* * If the data block is now empty then get rid of the data block. */ - if (be16_to_cpu(data->hdr.bestfree[0].length) == - mp->m_dirblksize - (uint)sizeof(data->hdr)) { + if (be16_to_cpu(hdr->bestfree[0].length) == + mp->m_dirblksize - (uint)sizeof(*hdr)) { ASSERT(db != mp->m_dirdatablk); if ((error = xfs_dir2_shrink_inode(args, db, dbp))) { /* @@ -1542,7 +1562,7 @@ xfs_dir2_leaf_removename( * Look for the last active entry (i). */ for (i = db - 1; i > 0; i--) { - if (be16_to_cpu(bestsp[i]) != NULLDATAOFF) + if (bestsp[i] != cpu_to_be16(NULLDATAOFF)) break; } /* @@ -1686,9 +1706,6 @@ xfs_dir2_leaf_trim_data( xfs_dir2_db_t db) /* data block number */ { __be16 *bestsp; /* leaf bests table */ -#ifdef DEBUG - xfs_dir2_data_t *data; /* data block structure */ -#endif xfs_dabuf_t *dbp; /* data block buffer */ xfs_inode_t *dp; /* incore directory inode */ int error; /* error return value */ @@ -1707,20 +1724,21 @@ xfs_dir2_leaf_trim_data( XFS_DATA_FORK))) { return error; } -#ifdef DEBUG - data = dbp->data; - ASSERT(be32_to_cpu(data->hdr.magic) == XFS_DIR2_DATA_MAGIC); -#endif - /* this seems to be an error - * data is only valid if DEBUG is defined? - * RMC 09/08/1999 - */ leaf = lbp->data; ltp = xfs_dir2_leaf_tail_p(mp, leaf); - ASSERT(be16_to_cpu(data->hdr.bestfree[0].length) == - mp->m_dirblksize - (uint)sizeof(data->hdr)); + +#ifdef DEBUG +{ + struct xfs_dir2_data_hdr *hdr = dbp->data; + + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC)); + ASSERT(be16_to_cpu(hdr->bestfree[0].length) == + mp->m_dirblksize - (uint)sizeof(*hdr)); ASSERT(db == be32_to_cpu(ltp->bestcount) - 1); +} +#endif + /* * Get rid of the data block. */ @@ -1740,6 +1758,20 @@ xfs_dir2_leaf_trim_data( return 0; } +static inline size_t +xfs_dir2_leaf_size( + struct xfs_dir2_leaf_hdr *hdr, + int counts) +{ + int entries; + + entries = be16_to_cpu(hdr->count) - be16_to_cpu(hdr->stale); + return sizeof(xfs_dir2_leaf_hdr_t) + + entries * sizeof(xfs_dir2_leaf_entry_t) + + counts * sizeof(xfs_dir2_data_off_t) + + sizeof(xfs_dir2_leaf_tail_t); +} + /* * Convert node form directory to leaf form directory. * The root of the node form dir needs to already be a LEAFN block. @@ -1810,7 +1842,7 @@ xfs_dir2_node_to_leaf( return 0; lbp = state->path.blk[0].bp; leaf = lbp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); /* * Read the freespace block. */ @@ -1819,20 +1851,19 @@ xfs_dir2_node_to_leaf( return error; } free = fbp->data; - ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); + ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC)); ASSERT(!free->hdr.firstdb); + /* * Now see if the leafn and free data will fit in a leaf1. * If not, release the buffer and give up. */ - if ((uint)sizeof(leaf->hdr) + - (be16_to_cpu(leaf->hdr.count) - be16_to_cpu(leaf->hdr.stale)) * (uint)sizeof(leaf->ents[0]) + - be32_to_cpu(free->hdr.nvalid) * (uint)sizeof(leaf->bests[0]) + - (uint)sizeof(leaf->tail) > - mp->m_dirblksize) { + if (xfs_dir2_leaf_size(&leaf->hdr, be32_to_cpu(free->hdr.nvalid)) > + mp->m_dirblksize) { xfs_da_brelse(tp, fbp); return 0; } + /* * If the leaf has any stale entries in it, compress them out. * The compact routine will log the header. @@ -1851,7 +1882,7 @@ xfs_dir2_node_to_leaf( * Set up the leaf bests table. */ memcpy(xfs_dir2_leaf_bests_p(ltp), free->bests, - be32_to_cpu(ltp->bestcount) * sizeof(leaf->bests[0])); + be32_to_cpu(ltp->bestcount) * sizeof(xfs_dir2_data_off_t)); xfs_dir2_leaf_log_bests(tp, lbp, 0, be32_to_cpu(ltp->bestcount) - 1); xfs_dir2_leaf_log_tail(tp, lbp); xfs_dir2_leaf_check(dp, lbp); diff --git a/fs/xfs/xfs_dir2_leaf.h b/fs/xfs/xfs_dir2_leaf.h deleted file mode 100644 index 6c9539f06987..000000000000 --- a/fs/xfs/xfs_dir2_leaf.h +++ /dev/null @@ -1,253 +0,0 @@ -/* - * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_DIR2_LEAF_H__ -#define __XFS_DIR2_LEAF_H__ - -struct uio; -struct xfs_dabuf; -struct xfs_da_args; -struct xfs_inode; -struct xfs_mount; -struct xfs_trans; - -/* - * Offset of the leaf/node space. First block in this space - * is the btree root. - */ -#define XFS_DIR2_LEAF_SPACE 1 -#define XFS_DIR2_LEAF_OFFSET (XFS_DIR2_LEAF_SPACE * XFS_DIR2_SPACE_SIZE) -#define XFS_DIR2_LEAF_FIRSTDB(mp) \ - xfs_dir2_byte_to_db(mp, XFS_DIR2_LEAF_OFFSET) - -/* - * Offset in data space of a data entry. - */ -typedef __uint32_t xfs_dir2_dataptr_t; -#define XFS_DIR2_MAX_DATAPTR ((xfs_dir2_dataptr_t)0xffffffff) -#define XFS_DIR2_NULL_DATAPTR ((xfs_dir2_dataptr_t)0) - -/* - * Leaf block header. - */ -typedef struct xfs_dir2_leaf_hdr { - xfs_da_blkinfo_t info; /* header for da routines */ - __be16 count; /* count of entries */ - __be16 stale; /* count of stale entries */ -} xfs_dir2_leaf_hdr_t; - -/* - * Leaf block entry. - */ -typedef struct xfs_dir2_leaf_entry { - __be32 hashval; /* hash value of name */ - __be32 address; /* address of data entry */ -} xfs_dir2_leaf_entry_t; - -/* - * Leaf block tail. - */ -typedef struct xfs_dir2_leaf_tail { - __be32 bestcount; -} xfs_dir2_leaf_tail_t; - -/* - * Leaf block. - * bests and tail are at the end of the block for single-leaf only - * (magic = XFS_DIR2_LEAF1_MAGIC not XFS_DIR2_LEAFN_MAGIC). - */ -typedef struct xfs_dir2_leaf { - xfs_dir2_leaf_hdr_t hdr; /* leaf header */ - xfs_dir2_leaf_entry_t ents[1]; /* entries */ - /* ... */ - xfs_dir2_data_off_t bests[1]; /* best free counts */ - xfs_dir2_leaf_tail_t tail; /* leaf tail */ -} xfs_dir2_leaf_t; - -/* - * DB blocks here are logical directory block numbers, not filesystem blocks. - */ - -static inline int xfs_dir2_max_leaf_ents(struct xfs_mount *mp) -{ - return (int)(((mp)->m_dirblksize - (uint)sizeof(xfs_dir2_leaf_hdr_t)) / - (uint)sizeof(xfs_dir2_leaf_entry_t)); -} - -/* - * Get address of the bestcount field in the single-leaf block. - */ -static inline xfs_dir2_leaf_tail_t * -xfs_dir2_leaf_tail_p(struct xfs_mount *mp, xfs_dir2_leaf_t *lp) -{ - return (xfs_dir2_leaf_tail_t *) - ((char *)(lp) + (mp)->m_dirblksize - - (uint)sizeof(xfs_dir2_leaf_tail_t)); -} - -/* - * Get address of the bests array in the single-leaf block. - */ -static inline __be16 * -xfs_dir2_leaf_bests_p(xfs_dir2_leaf_tail_t *ltp) -{ - return (__be16 *)ltp - be32_to_cpu(ltp->bestcount); -} - -/* - * Convert dataptr to byte in file space - */ -static inline xfs_dir2_off_t -xfs_dir2_dataptr_to_byte(struct xfs_mount *mp, xfs_dir2_dataptr_t dp) -{ - return (xfs_dir2_off_t)(dp) << XFS_DIR2_DATA_ALIGN_LOG; -} - -/* - * Convert byte in file space to dataptr. It had better be aligned. - */ -static inline xfs_dir2_dataptr_t -xfs_dir2_byte_to_dataptr(struct xfs_mount *mp, xfs_dir2_off_t by) -{ - return (xfs_dir2_dataptr_t)((by) >> XFS_DIR2_DATA_ALIGN_LOG); -} - -/* - * Convert byte in space to (DB) block - */ -static inline xfs_dir2_db_t -xfs_dir2_byte_to_db(struct xfs_mount *mp, xfs_dir2_off_t by) -{ - return (xfs_dir2_db_t)((by) >> \ - ((mp)->m_sb.sb_blocklog + (mp)->m_sb.sb_dirblklog)); -} - -/* - * Convert dataptr to a block number - */ -static inline xfs_dir2_db_t -xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp) -{ - return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(mp, dp)); -} - -/* - * Convert byte in space to offset in a block - */ -static inline xfs_dir2_data_aoff_t -xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by) -{ - return (xfs_dir2_data_aoff_t)((by) & \ - ((1 << ((mp)->m_sb.sb_blocklog + (mp)->m_sb.sb_dirblklog)) - 1)); -} - -/* - * Convert dataptr to a byte offset in a block - */ -static inline xfs_dir2_data_aoff_t -xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp) -{ - return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(mp, dp)); -} - -/* - * Convert block and offset to byte in space - */ -static inline xfs_dir2_off_t -xfs_dir2_db_off_to_byte(struct xfs_mount *mp, xfs_dir2_db_t db, - xfs_dir2_data_aoff_t o) -{ - return ((xfs_dir2_off_t)(db) << \ - ((mp)->m_sb.sb_blocklog + (mp)->m_sb.sb_dirblklog)) + (o); -} - -/* - * Convert block (DB) to block (dablk) - */ -static inline xfs_dablk_t -xfs_dir2_db_to_da(struct xfs_mount *mp, xfs_dir2_db_t db) -{ - return (xfs_dablk_t)((db) << (mp)->m_sb.sb_dirblklog); -} - -/* - * Convert byte in space to (DA) block - */ -static inline xfs_dablk_t -xfs_dir2_byte_to_da(struct xfs_mount *mp, xfs_dir2_off_t by) -{ - return xfs_dir2_db_to_da(mp, xfs_dir2_byte_to_db(mp, by)); -} - -/* - * Convert block and offset to dataptr - */ -static inline xfs_dir2_dataptr_t -xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db, - xfs_dir2_data_aoff_t o) -{ - return xfs_dir2_byte_to_dataptr(mp, xfs_dir2_db_off_to_byte(mp, db, o)); -} - -/* - * Convert block (dablk) to block (DB) - */ -static inline xfs_dir2_db_t -xfs_dir2_da_to_db(struct xfs_mount *mp, xfs_dablk_t da) -{ - return (xfs_dir2_db_t)((da) >> (mp)->m_sb.sb_dirblklog); -} - -/* - * Convert block (dablk) to byte offset in space - */ -static inline xfs_dir2_off_t -xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da) -{ - return xfs_dir2_db_off_to_byte(mp, xfs_dir2_da_to_db(mp, da), 0); -} - -/* - * Function declarations. - */ -extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args, - struct xfs_dabuf *dbp); -extern int xfs_dir2_leaf_addname(struct xfs_da_args *args); -extern void xfs_dir2_leaf_compact(struct xfs_da_args *args, - struct xfs_dabuf *bp); -extern void xfs_dir2_leaf_compact_x1(struct xfs_dabuf *bp, int *indexp, - int *lowstalep, int *highstalep, - int *lowlogp, int *highlogp); -extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent, - size_t bufsize, xfs_off_t *offset, - filldir_t filldir); -extern int xfs_dir2_leaf_init(struct xfs_da_args *args, xfs_dir2_db_t bno, - struct xfs_dabuf **bpp, int magic); -extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_dabuf *bp, - int first, int last); -extern void xfs_dir2_leaf_log_header(struct xfs_trans *tp, - struct xfs_dabuf *bp); -extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args); -extern int xfs_dir2_leaf_removename(struct xfs_da_args *args); -extern int xfs_dir2_leaf_replace(struct xfs_da_args *args); -extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args, - struct xfs_dabuf *lbp); -extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args, - struct xfs_dabuf *lbp, xfs_dir2_db_t db); -extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state); - -#endif /* __XFS_DIR2_LEAF_H__ */ diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c index a0aab7d3294f..084b3247d636 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/xfs_dir2_node.c @@ -23,18 +23,14 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir2.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_bmap.h" -#include "xfs_dir2_data.h" -#include "xfs_dir2_leaf.h" -#include "xfs_dir2_block.h" -#include "xfs_dir2_node.h" +#include "xfs_dir2_format.h" +#include "xfs_dir2_priv.h" #include "xfs_error.h" #include "xfs_trace.h" @@ -73,7 +69,7 @@ xfs_dir2_free_log_bests( xfs_dir2_free_t *free; /* freespace structure */ free = bp->data; - ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); + ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC)); xfs_da_log_buf(tp, bp, (uint)((char *)&free->bests[first] - (char *)free), (uint)((char *)&free->bests[last] - (char *)free + @@ -91,7 +87,7 @@ xfs_dir2_free_log_header( xfs_dir2_free_t *free; /* freespace structure */ free = bp->data; - ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); + ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC)); xfs_da_log_buf(tp, bp, (uint)((char *)&free->hdr - (char *)free), (uint)(sizeof(xfs_dir2_free_hdr_t) - 1)); } @@ -244,89 +240,13 @@ xfs_dir2_leafn_add( lfloglow = be16_to_cpu(leaf->hdr.count); lfloghigh = -1; } - /* - * No stale entries, just insert a space for the new entry. - */ - if (!leaf->hdr.stale) { - lep = &leaf->ents[index]; - if (index < be16_to_cpu(leaf->hdr.count)) - memmove(lep + 1, lep, - (be16_to_cpu(leaf->hdr.count) - index) * sizeof(*lep)); - lfloglow = index; - lfloghigh = be16_to_cpu(leaf->hdr.count); - be16_add_cpu(&leaf->hdr.count, 1); - } - /* - * There are stale entries. We'll use one for the new entry. - */ - else { - /* - * If we didn't do a compact then we need to figure out - * which stale entry will be used. - */ - if (compact == 0) { - /* - * Find first stale entry before our insertion point. - */ - for (lowstale = index - 1; - lowstale >= 0 && - be32_to_cpu(leaf->ents[lowstale].address) != - XFS_DIR2_NULL_DATAPTR; - lowstale--) - continue; - /* - * Find next stale entry after insertion point. - * Stop looking if the answer would be worse than - * lowstale already found. - */ - for (highstale = index; - highstale < be16_to_cpu(leaf->hdr.count) && - be32_to_cpu(leaf->ents[highstale].address) != - XFS_DIR2_NULL_DATAPTR && - (lowstale < 0 || - index - lowstale - 1 >= highstale - index); - highstale++) - continue; - } - /* - * Using the low stale entry. - * Shift entries up toward the stale slot. - */ - if (lowstale >= 0 && - (highstale == be16_to_cpu(leaf->hdr.count) || - index - lowstale - 1 < highstale - index)) { - ASSERT(be32_to_cpu(leaf->ents[lowstale].address) == - XFS_DIR2_NULL_DATAPTR); - ASSERT(index - lowstale - 1 >= 0); - if (index - lowstale - 1 > 0) - memmove(&leaf->ents[lowstale], - &leaf->ents[lowstale + 1], - (index - lowstale - 1) * sizeof(*lep)); - lep = &leaf->ents[index - 1]; - lfloglow = MIN(lowstale, lfloglow); - lfloghigh = MAX(index - 1, lfloghigh); - } - /* - * Using the high stale entry. - * Shift entries down toward the stale slot. - */ - else { - ASSERT(be32_to_cpu(leaf->ents[highstale].address) == - XFS_DIR2_NULL_DATAPTR); - ASSERT(highstale - index >= 0); - if (highstale - index > 0) - memmove(&leaf->ents[index + 1], - &leaf->ents[index], - (highstale - index) * sizeof(*lep)); - lep = &leaf->ents[index]; - lfloglow = MIN(index, lfloglow); - lfloghigh = MAX(highstale, lfloghigh); - } - be16_add_cpu(&leaf->hdr.stale, -1); - } + /* * Insert the new entry, log everything. */ + lep = xfs_dir2_leaf_find_entry(leaf, index, compact, lowstale, + highstale, &lfloglow, &lfloghigh); + lep->hashval = cpu_to_be32(args->hashval); lep->address = cpu_to_be32(xfs_dir2_db_off_to_dataptr(mp, args->blkno, args->index)); @@ -352,14 +272,14 @@ xfs_dir2_leafn_check( leaf = bp->data; mp = dp->i_mount; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); ASSERT(be16_to_cpu(leaf->hdr.count) <= xfs_dir2_max_leaf_ents(mp)); for (i = stale = 0; i < be16_to_cpu(leaf->hdr.count); i++) { if (i + 1 < be16_to_cpu(leaf->hdr.count)) { ASSERT(be32_to_cpu(leaf->ents[i].hashval) <= be32_to_cpu(leaf->ents[i + 1].hashval)); } - if (be32_to_cpu(leaf->ents[i].address) == XFS_DIR2_NULL_DATAPTR) + if (leaf->ents[i].address == cpu_to_be32(XFS_DIR2_NULL_DATAPTR)) stale++; } ASSERT(be16_to_cpu(leaf->hdr.stale) == stale); @@ -378,7 +298,7 @@ xfs_dir2_leafn_lasthash( xfs_dir2_leaf_t *leaf; /* leaf structure */ leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); if (count) *count = be16_to_cpu(leaf->hdr.count); if (!leaf->hdr.count) @@ -417,7 +337,7 @@ xfs_dir2_leafn_lookup_for_addname( tp = args->trans; mp = dp->i_mount; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); #ifdef __KERNEL__ ASSERT(be16_to_cpu(leaf->hdr.count) > 0); #endif @@ -434,7 +354,7 @@ xfs_dir2_leafn_lookup_for_addname( curbp = state->extrablk.bp; curfdb = state->extrablk.blkno; free = curbp->data; - ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); + ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC)); } length = xfs_dir2_data_entsize(args->namelen); /* @@ -488,7 +408,7 @@ xfs_dir2_leafn_lookup_for_addname( ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); ASSERT((be32_to_cpu(free->hdr.firstdb) % - XFS_DIR2_MAX_FREE_BESTS(mp)) == 0); + xfs_dir2_free_max_bests(mp)) == 0); ASSERT(be32_to_cpu(free->hdr.firstdb) <= curdb); ASSERT(curdb < be32_to_cpu(free->hdr.firstdb) + be32_to_cpu(free->hdr.nvalid)); @@ -500,7 +420,8 @@ xfs_dir2_leafn_lookup_for_addname( /* * If it has room, return it. */ - if (unlikely(be16_to_cpu(free->bests[fi]) == NULLDATAOFF)) { + if (unlikely(free->bests[fi] == + cpu_to_be16(NULLDATAOFF))) { XFS_ERROR_REPORT("xfs_dir2_leafn_lookup_int", XFS_ERRLEVEL_LOW, mp); if (curfdb != newfdb) @@ -561,7 +482,7 @@ xfs_dir2_leafn_lookup_for_entry( tp = args->trans; mp = dp->i_mount; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); #ifdef __KERNEL__ ASSERT(be16_to_cpu(leaf->hdr.count) > 0); #endif @@ -742,7 +663,8 @@ xfs_dir2_leafn_moveents( int i; /* temp leaf index */ for (i = start_s, stale = 0; i < start_s + count; i++) { - if (be32_to_cpu(leaf_s->ents[i].address) == XFS_DIR2_NULL_DATAPTR) + if (leaf_s->ents[i].address == + cpu_to_be32(XFS_DIR2_NULL_DATAPTR)) stale++; } } else @@ -789,8 +711,8 @@ xfs_dir2_leafn_order( leaf1 = leaf1_bp->data; leaf2 = leaf2_bp->data; - ASSERT(be16_to_cpu(leaf1->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); - ASSERT(be16_to_cpu(leaf2->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(leaf1->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); + ASSERT(leaf2->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); if (be16_to_cpu(leaf1->hdr.count) > 0 && be16_to_cpu(leaf2->hdr.count) > 0 && (be32_to_cpu(leaf2->ents[0].hashval) < be32_to_cpu(leaf1->ents[0].hashval) || @@ -918,7 +840,7 @@ xfs_dir2_leafn_remove( xfs_da_state_blk_t *dblk, /* data block */ int *rval) /* resulting block needs join */ { - xfs_dir2_data_t *data; /* data block structure */ + xfs_dir2_data_hdr_t *hdr; /* data block header */ xfs_dir2_db_t db; /* data block number */ xfs_dabuf_t *dbp; /* data block buffer */ xfs_dir2_data_entry_t *dep; /* data block entry */ @@ -938,7 +860,7 @@ xfs_dir2_leafn_remove( tp = args->trans; mp = dp->i_mount; leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); /* * Point to the entry we're removing. */ @@ -963,9 +885,9 @@ xfs_dir2_leafn_remove( * in the data block in case it changes. */ dbp = dblk->bp; - data = dbp->data; - dep = (xfs_dir2_data_entry_t *)((char *)data + off); - longest = be16_to_cpu(data->hdr.bestfree[0].length); + hdr = dbp->data; + dep = (xfs_dir2_data_entry_t *)((char *)hdr + off); + longest = be16_to_cpu(hdr->bestfree[0].length); needlog = needscan = 0; xfs_dir2_data_make_free(tp, dbp, off, xfs_dir2_data_entsize(dep->namelen), &needlog, &needscan); @@ -974,7 +896,7 @@ xfs_dir2_leafn_remove( * Log the data block header if needed. */ if (needscan) - xfs_dir2_data_freescan(mp, data, &needlog); + xfs_dir2_data_freescan(mp, hdr, &needlog); if (needlog) xfs_dir2_data_log_header(tp, dbp); xfs_dir2_data_check(dp, dbp); @@ -982,7 +904,7 @@ xfs_dir2_leafn_remove( * If the longest data block freespace changes, need to update * the corresponding freeblock entry. */ - if (longest < be16_to_cpu(data->hdr.bestfree[0].length)) { + if (longest < be16_to_cpu(hdr->bestfree[0].length)) { int error; /* error return value */ xfs_dabuf_t *fbp; /* freeblock buffer */ xfs_dir2_db_t fdb; /* freeblock block number */ @@ -1000,27 +922,27 @@ xfs_dir2_leafn_remove( return error; } free = fbp->data; - ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); + ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC)); ASSERT(be32_to_cpu(free->hdr.firstdb) == - XFS_DIR2_MAX_FREE_BESTS(mp) * + xfs_dir2_free_max_bests(mp) * (fdb - XFS_DIR2_FREE_FIRSTDB(mp))); /* * Calculate which entry we need to fix. */ findex = xfs_dir2_db_to_fdindex(mp, db); - longest = be16_to_cpu(data->hdr.bestfree[0].length); + longest = be16_to_cpu(hdr->bestfree[0].length); /* * If the data block is now empty we can get rid of it * (usually). */ - if (longest == mp->m_dirblksize - (uint)sizeof(data->hdr)) { + if (longest == mp->m_dirblksize - (uint)sizeof(*hdr)) { /* * Try to punch out the data block. */ error = xfs_dir2_shrink_inode(args, db, dbp); if (error == 0) { dblk->bp = NULL; - data = NULL; + hdr = NULL; } /* * We can get ENOSPC if there's no space reservation. @@ -1036,7 +958,7 @@ xfs_dir2_leafn_remove( * If we got rid of the data block, we can eliminate that entry * in the free block. */ - if (data == NULL) { + if (hdr == NULL) { /* * One less used entry in the free table. */ @@ -1052,7 +974,8 @@ xfs_dir2_leafn_remove( int i; /* free entry index */ for (i = findex - 1; - i >= 0 && be16_to_cpu(free->bests[i]) == NULLDATAOFF; + i >= 0 && + free->bests[i] == cpu_to_be16(NULLDATAOFF); i--) continue; free->hdr.nvalid = cpu_to_be32(i + 1); @@ -1209,7 +1132,7 @@ xfs_dir2_leafn_toosmall( */ blk = &state->path.blk[state->path.active - 1]; info = blk->bp->data; - ASSERT(be16_to_cpu(info->magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(info->magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); leaf = (xfs_dir2_leaf_t *)info; count = be16_to_cpu(leaf->hdr.count) - be16_to_cpu(leaf->hdr.stale); bytes = (uint)sizeof(leaf->hdr) + count * (uint)sizeof(leaf->ents[0]); @@ -1268,7 +1191,7 @@ xfs_dir2_leafn_toosmall( count = be16_to_cpu(leaf->hdr.count) - be16_to_cpu(leaf->hdr.stale); bytes = state->blocksize - (state->blocksize >> 2); leaf = bp->data; - ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); count += be16_to_cpu(leaf->hdr.count) - be16_to_cpu(leaf->hdr.stale); bytes -= count * (uint)sizeof(leaf->ents[0]); /* @@ -1327,8 +1250,8 @@ xfs_dir2_leafn_unbalance( ASSERT(save_blk->magic == XFS_DIR2_LEAFN_MAGIC); drop_leaf = drop_blk->bp->data; save_leaf = save_blk->bp->data; - ASSERT(be16_to_cpu(drop_leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); - ASSERT(be16_to_cpu(save_leaf->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC); + ASSERT(drop_leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); + ASSERT(save_leaf->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC)); /* * If there are any stale leaf entries, take this opportunity * to purge them. @@ -1432,7 +1355,7 @@ xfs_dir2_node_addname_int( xfs_da_args_t *args, /* operation arguments */ xfs_da_state_blk_t *fblk) /* optional freespace block */ { - xfs_dir2_data_t *data; /* data block structure */ + xfs_dir2_data_hdr_t *hdr; /* data block header */ xfs_dir2_db_t dbno; /* data block number */ xfs_dabuf_t *dbp; /* data block buffer */ xfs_dir2_data_entry_t *dep; /* data entry pointer */ @@ -1469,7 +1392,7 @@ xfs_dir2_node_addname_int( */ ifbno = fblk->blkno; free = fbp->data; - ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); + ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC)); findex = fblk->index; /* * This means the free entry showed that the data block had @@ -1553,7 +1476,7 @@ xfs_dir2_node_addname_int( continue; } free = fbp->data; - ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); + ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC)); findex = 0; } /* @@ -1680,12 +1603,12 @@ xfs_dir2_node_addname_int( free->hdr.magic = cpu_to_be32(XFS_DIR2_FREE_MAGIC); free->hdr.firstdb = cpu_to_be32( (fbno - XFS_DIR2_FREE_FIRSTDB(mp)) * - XFS_DIR2_MAX_FREE_BESTS(mp)); + xfs_dir2_free_max_bests(mp)); free->hdr.nvalid = 0; free->hdr.nused = 0; } else { free = fbp->data; - ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); + ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC)); } /* @@ -1697,7 +1620,7 @@ xfs_dir2_node_addname_int( * freespace block, extend that table. */ if (findex >= be32_to_cpu(free->hdr.nvalid)) { - ASSERT(findex < XFS_DIR2_MAX_FREE_BESTS(mp)); + ASSERT(findex < xfs_dir2_free_max_bests(mp)); free->hdr.nvalid = cpu_to_be32(findex + 1); /* * Tag new entry so nused will go up. @@ -1708,7 +1631,7 @@ xfs_dir2_node_addname_int( * If this entry was for an empty data block * (this should always be true) then update the header. */ - if (be16_to_cpu(free->bests[findex]) == NULLDATAOFF) { + if (free->bests[findex] == cpu_to_be16(NULLDATAOFF)) { be32_add_cpu(&free->hdr.nused, 1); xfs_dir2_free_log_header(tp, fbp); } @@ -1717,8 +1640,8 @@ xfs_dir2_node_addname_int( * We haven't allocated the data entry yet so this will * change again. */ - data = dbp->data; - free->bests[findex] = data->hdr.bestfree[0].length; + hdr = dbp->data; + free->bests[findex] = hdr->bestfree[0].length; logfree = 1; } /* @@ -1743,21 +1666,21 @@ xfs_dir2_node_addname_int( xfs_da_buf_done(fbp); return error; } - data = dbp->data; + hdr = dbp->data; logfree = 0; } - ASSERT(be16_to_cpu(data->hdr.bestfree[0].length) >= length); + ASSERT(be16_to_cpu(hdr->bestfree[0].length) >= length); /* * Point to the existing unused space. */ dup = (xfs_dir2_data_unused_t *) - ((char *)data + be16_to_cpu(data->hdr.bestfree[0].offset)); + ((char *)hdr + be16_to_cpu(hdr->bestfree[0].offset)); needscan = needlog = 0; /* * Mark the first part of the unused space, inuse for us. */ xfs_dir2_data_use_free(tp, dbp, dup, - (xfs_dir2_data_aoff_t)((char *)dup - (char *)data), length, + (xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr), length, &needlog, &needscan); /* * Fill in the new entry and log it. @@ -1767,13 +1690,13 @@ xfs_dir2_node_addname_int( dep->namelen = args->namelen; memcpy(dep->name, args->name, dep->namelen); tagp = xfs_dir2_data_entry_tag_p(dep); - *tagp = cpu_to_be16((char *)dep - (char *)data); + *tagp = cpu_to_be16((char *)dep - (char *)hdr); xfs_dir2_data_log_entry(tp, dbp, dep); /* * Rescan the block for bestfree if needed. */ if (needscan) - xfs_dir2_data_freescan(mp, data, &needlog); + xfs_dir2_data_freescan(mp, hdr, &needlog); /* * Log the data block header if needed. */ @@ -1782,8 +1705,8 @@ xfs_dir2_node_addname_int( /* * If the freespace entry is now wrong, update it. */ - if (be16_to_cpu(free->bests[findex]) != be16_to_cpu(data->hdr.bestfree[0].length)) { - free->bests[findex] = data->hdr.bestfree[0].length; + if (be16_to_cpu(free->bests[findex]) != be16_to_cpu(hdr->bestfree[0].length)) { + free->bests[findex] = hdr->bestfree[0].length; logfree = 1; } /* @@ -1933,7 +1856,7 @@ xfs_dir2_node_replace( xfs_da_args_t *args) /* operation arguments */ { xfs_da_state_blk_t *blk; /* leaf block */ - xfs_dir2_data_t *data; /* data block structure */ + xfs_dir2_data_hdr_t *hdr; /* data block header */ xfs_dir2_data_entry_t *dep; /* data entry changed */ int error; /* error return value */ int i; /* btree level */ @@ -1977,10 +1900,10 @@ xfs_dir2_node_replace( /* * Point to the data entry. */ - data = state->extrablk.bp->data; - ASSERT(be32_to_cpu(data->hdr.magic) == XFS_DIR2_DATA_MAGIC); + hdr = state->extrablk.bp->data; + ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC)); dep = (xfs_dir2_data_entry_t *) - ((char *)data + + ((char *)hdr + xfs_dir2_dataptr_to_off(state->mp, be32_to_cpu(lep->address))); ASSERT(inum != be64_to_cpu(dep->inumber)); /* @@ -2044,7 +1967,7 @@ xfs_dir2_node_trim_free( return 0; } free = bp->data; - ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC); + ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC)); /* * If there are used entries, there's nothing to do. */ diff --git a/fs/xfs/xfs_dir2_node.h b/fs/xfs/xfs_dir2_node.h deleted file mode 100644 index 82dfe7147195..000000000000 --- a/fs/xfs/xfs_dir2_node.h +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Copyright (c) 2000,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_DIR2_NODE_H__ -#define __XFS_DIR2_NODE_H__ - -/* - * Directory version 2, btree node format structures - */ - -struct uio; -struct xfs_dabuf; -struct xfs_da_args; -struct xfs_da_state; -struct xfs_da_state_blk; -struct xfs_inode; -struct xfs_trans; - -/* - * Offset of the freespace index. - */ -#define XFS_DIR2_FREE_SPACE 2 -#define XFS_DIR2_FREE_OFFSET (XFS_DIR2_FREE_SPACE * XFS_DIR2_SPACE_SIZE) -#define XFS_DIR2_FREE_FIRSTDB(mp) \ - xfs_dir2_byte_to_db(mp, XFS_DIR2_FREE_OFFSET) - -#define XFS_DIR2_FREE_MAGIC 0x58443246 /* XD2F */ - -typedef struct xfs_dir2_free_hdr { - __be32 magic; /* XFS_DIR2_FREE_MAGIC */ - __be32 firstdb; /* db of first entry */ - __be32 nvalid; /* count of valid entries */ - __be32 nused; /* count of used entries */ -} xfs_dir2_free_hdr_t; - -typedef struct xfs_dir2_free { - xfs_dir2_free_hdr_t hdr; /* block header */ - __be16 bests[1]; /* best free counts */ - /* unused entries are -1 */ -} xfs_dir2_free_t; - -#define XFS_DIR2_MAX_FREE_BESTS(mp) \ - (((mp)->m_dirblksize - (uint)sizeof(xfs_dir2_free_hdr_t)) / \ - (uint)sizeof(xfs_dir2_data_off_t)) - -/* - * Convert data space db to the corresponding free db. - */ -static inline xfs_dir2_db_t -xfs_dir2_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db) -{ - return (XFS_DIR2_FREE_FIRSTDB(mp) + (db) / XFS_DIR2_MAX_FREE_BESTS(mp)); -} - -/* - * Convert data space db to the corresponding index in a free db. - */ -static inline int -xfs_dir2_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db) -{ - return ((db) % XFS_DIR2_MAX_FREE_BESTS(mp)); -} - -extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args, - struct xfs_dabuf *lbp); -extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_dabuf *bp, int *count); -extern int xfs_dir2_leafn_lookup_int(struct xfs_dabuf *bp, - struct xfs_da_args *args, int *indexp, - struct xfs_da_state *state); -extern int xfs_dir2_leafn_order(struct xfs_dabuf *leaf1_bp, - struct xfs_dabuf *leaf2_bp); -extern int xfs_dir2_leafn_split(struct xfs_da_state *state, - struct xfs_da_state_blk *oldblk, - struct xfs_da_state_blk *newblk); -extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action); -extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state, - struct xfs_da_state_blk *drop_blk, - struct xfs_da_state_blk *save_blk); -extern int xfs_dir2_node_addname(struct xfs_da_args *args); -extern int xfs_dir2_node_lookup(struct xfs_da_args *args); -extern int xfs_dir2_node_removename(struct xfs_da_args *args); -extern int xfs_dir2_node_replace(struct xfs_da_args *args); -extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo, - int *rvalp); - -#endif /* __XFS_DIR2_NODE_H__ */ diff --git a/fs/xfs/xfs_dir2_priv.h b/fs/xfs/xfs_dir2_priv.h new file mode 100644 index 000000000000..067f403ecf8a --- /dev/null +++ b/fs/xfs/xfs_dir2_priv.h @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef __XFS_DIR2_PRIV_H__ +#define __XFS_DIR2_PRIV_H__ + +/* xfs_dir2.c */ +extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); +extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r); +extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r); +extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, + xfs_dir2_db_t *dbp); +extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db, + struct xfs_dabuf *bp); +extern int xfs_dir_cilookup_result(struct xfs_da_args *args, + const unsigned char *name, int len); + +/* xfs_dir2_block.c */ +extern int xfs_dir2_block_addname(struct xfs_da_args *args); +extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent, + xfs_off_t *offset, filldir_t filldir); +extern int xfs_dir2_block_lookup(struct xfs_da_args *args); +extern int xfs_dir2_block_removename(struct xfs_da_args *args); +extern int xfs_dir2_block_replace(struct xfs_da_args *args); +extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args, + struct xfs_dabuf *lbp, struct xfs_dabuf *dbp); + +/* xfs_dir2_data.c */ +#ifdef DEBUG +extern void xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_dabuf *bp); +#else +#define xfs_dir2_data_check(dp,bp) +#endif +extern struct xfs_dir2_data_free * +xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr, + struct xfs_dir2_data_unused *dup, int *loghead); +extern void xfs_dir2_data_freescan(struct xfs_mount *mp, + struct xfs_dir2_data_hdr *hdr, int *loghead); +extern int xfs_dir2_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno, + struct xfs_dabuf **bpp); +extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_dabuf *bp, + struct xfs_dir2_data_entry *dep); +extern void xfs_dir2_data_log_header(struct xfs_trans *tp, + struct xfs_dabuf *bp); +extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_dabuf *bp, + struct xfs_dir2_data_unused *dup); +extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_dabuf *bp, + xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len, + int *needlogp, int *needscanp); +extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_dabuf *bp, + struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset, + xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp); + +/* xfs_dir2_leaf.c */ +extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args, + struct xfs_dabuf *dbp); +extern int xfs_dir2_leaf_addname(struct xfs_da_args *args); +extern void xfs_dir2_leaf_compact(struct xfs_da_args *args, + struct xfs_dabuf *bp); +extern void xfs_dir2_leaf_compact_x1(struct xfs_dabuf *bp, int *indexp, + int *lowstalep, int *highstalep, int *lowlogp, int *highlogp); +extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent, + size_t bufsize, xfs_off_t *offset, filldir_t filldir); +extern int xfs_dir2_leaf_init(struct xfs_da_args *args, xfs_dir2_db_t bno, + struct xfs_dabuf **bpp, int magic); +extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_dabuf *bp, + int first, int last); +extern void xfs_dir2_leaf_log_header(struct xfs_trans *tp, + struct xfs_dabuf *bp); +extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args); +extern int xfs_dir2_leaf_removename(struct xfs_da_args *args); +extern int xfs_dir2_leaf_replace(struct xfs_da_args *args); +extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args, + struct xfs_dabuf *lbp); +extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args, + struct xfs_dabuf *lbp, xfs_dir2_db_t db); +extern struct xfs_dir2_leaf_entry * +xfs_dir2_leaf_find_entry(struct xfs_dir2_leaf *leaf, int index, int compact, + int lowstale, int highstale, + int *lfloglow, int *lfloghigh); +extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state); + +/* xfs_dir2_node.c */ +extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args, + struct xfs_dabuf *lbp); +extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_dabuf *bp, int *count); +extern int xfs_dir2_leafn_lookup_int(struct xfs_dabuf *bp, + struct xfs_da_args *args, int *indexp, + struct xfs_da_state *state); +extern int xfs_dir2_leafn_order(struct xfs_dabuf *leaf1_bp, + struct xfs_dabuf *leaf2_bp); +extern int xfs_dir2_leafn_split(struct xfs_da_state *state, + struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk); +extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action); +extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state, + struct xfs_da_state_blk *drop_blk, + struct xfs_da_state_blk *save_blk); +extern int xfs_dir2_node_addname(struct xfs_da_args *args); +extern int xfs_dir2_node_lookup(struct xfs_da_args *args); +extern int xfs_dir2_node_removename(struct xfs_da_args *args); +extern int xfs_dir2_node_replace(struct xfs_da_args *args); +extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo, + int *rvalp); + +/* xfs_dir2_sf.c */ +extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp); +extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp, + struct xfs_dir2_sf_entry *sfep); +extern int xfs_dir2_block_sfsize(struct xfs_inode *dp, + struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp); +extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp, + int size, xfs_dir2_sf_hdr_t *sfhp); +extern int xfs_dir2_sf_addname(struct xfs_da_args *args); +extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); +extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent, + xfs_off_t *offset, filldir_t filldir); +extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); +extern int xfs_dir2_sf_removename(struct xfs_da_args *args); +extern int xfs_dir2_sf_replace(struct xfs_da_args *args); + +#endif /* __XFS_DIR2_PRIV_H__ */ diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c index b1bae6b1eed9..79d05e84e296 100644 --- a/fs/xfs/xfs_dir2_sf.c +++ b/fs/xfs/xfs_dir2_sf.c @@ -23,18 +23,16 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" -#include "xfs_dir2.h" #include "xfs_mount.h" #include "xfs_da_btree.h" #include "xfs_bmap_btree.h" -#include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" #include "xfs_error.h" -#include "xfs_dir2_data.h" -#include "xfs_dir2_leaf.h" -#include "xfs_dir2_block.h" +#include "xfs_dir2.h" +#include "xfs_dir2_format.h" +#include "xfs_dir2_priv.h" #include "xfs_trace.h" /* @@ -60,6 +58,82 @@ static void xfs_dir2_sf_toino8(xfs_da_args_t *args); #endif /* XFS_BIG_INUMS */ /* + * Inode numbers in short-form directories can come in two versions, + * either 4 bytes or 8 bytes wide. These helpers deal with the + * two forms transparently by looking at the headers i8count field. + * + * For 64-bit inode number the most significant byte must be zero. + */ +static xfs_ino_t +xfs_dir2_sf_get_ino( + struct xfs_dir2_sf_hdr *hdr, + xfs_dir2_inou_t *from) +{ + if (hdr->i8count) + return get_unaligned_be64(&from->i8.i) & 0x00ffffffffffffffULL; + else + return get_unaligned_be32(&from->i4.i); +} + +static void +xfs_dir2_sf_put_ino( + struct xfs_dir2_sf_hdr *hdr, + xfs_dir2_inou_t *to, + xfs_ino_t ino) +{ + ASSERT((ino & 0xff00000000000000ULL) == 0); + + if (hdr->i8count) + put_unaligned_be64(ino, &to->i8.i); + else + put_unaligned_be32(ino, &to->i4.i); +} + +xfs_ino_t +xfs_dir2_sf_get_parent_ino( + struct xfs_dir2_sf_hdr *hdr) +{ + return xfs_dir2_sf_get_ino(hdr, &hdr->parent); +} + +static void +xfs_dir2_sf_put_parent_ino( + struct xfs_dir2_sf_hdr *hdr, + xfs_ino_t ino) +{ + xfs_dir2_sf_put_ino(hdr, &hdr->parent, ino); +} + +/* + * In short-form directory entries the inode numbers are stored at variable + * offset behind the entry name. The inode numbers may only be accessed + * through the helpers below. + */ +static xfs_dir2_inou_t * +xfs_dir2_sfe_inop( + struct xfs_dir2_sf_entry *sfep) +{ + return (xfs_dir2_inou_t *)&sfep->name[sfep->namelen]; +} + +xfs_ino_t +xfs_dir2_sfe_get_ino( + struct xfs_dir2_sf_hdr *hdr, + struct xfs_dir2_sf_entry *sfep) +{ + return xfs_dir2_sf_get_ino(hdr, xfs_dir2_sfe_inop(sfep)); +} + +static void +xfs_dir2_sfe_put_ino( + struct xfs_dir2_sf_hdr *hdr, + struct xfs_dir2_sf_entry *sfep, + xfs_ino_t ino) +{ + xfs_dir2_sf_put_ino(hdr, xfs_dir2_sfe_inop(sfep), ino); +} + +/* * Given a block directory (dp/block), calculate its size as a shortform (sf) * directory and a header for the sf directory, if it will fit it the * space currently present in the inode. If it won't fit, the output @@ -68,7 +142,7 @@ static void xfs_dir2_sf_toino8(xfs_da_args_t *args); int /* size for sf form */ xfs_dir2_block_sfsize( xfs_inode_t *dp, /* incore inode pointer */ - xfs_dir2_block_t *block, /* block directory data */ + xfs_dir2_data_hdr_t *hdr, /* block directory data */ xfs_dir2_sf_hdr_t *sfhp) /* output: header for sf form */ { xfs_dir2_dataptr_t addr; /* data entry address */ @@ -88,7 +162,7 @@ xfs_dir2_block_sfsize( mp = dp->i_mount; count = i8count = namelen = 0; - btp = xfs_dir2_block_tail_p(mp, block); + btp = xfs_dir2_block_tail_p(mp, hdr); blp = xfs_dir2_block_leaf_p(btp); /* @@ -101,7 +175,7 @@ xfs_dir2_block_sfsize( * Calculate the pointer to the entry at hand. */ dep = (xfs_dir2_data_entry_t *) - ((char *)block + xfs_dir2_dataptr_to_off(mp, addr)); + ((char *)hdr + xfs_dir2_dataptr_to_off(mp, addr)); /* * Detect . and .., so we can special-case them. * . is not included in sf directories. @@ -138,7 +212,7 @@ xfs_dir2_block_sfsize( */ sfhp->count = count; sfhp->i8count = i8count; - xfs_dir2_sf_put_inumber((xfs_dir2_sf_t *)sfhp, &parent, &sfhp->parent); + xfs_dir2_sf_put_parent_ino(sfhp, parent); return size; } @@ -153,7 +227,7 @@ xfs_dir2_block_to_sf( int size, /* shortform directory size */ xfs_dir2_sf_hdr_t *sfhp) /* shortform directory hdr */ { - xfs_dir2_block_t *block; /* block structure */ + xfs_dir2_data_hdr_t *hdr; /* block header */ xfs_dir2_block_tail_t *btp; /* block tail pointer */ xfs_dir2_data_entry_t *dep; /* data entry pointer */ xfs_inode_t *dp; /* incore directory inode */ @@ -164,8 +238,7 @@ xfs_dir2_block_to_sf( xfs_mount_t *mp; /* filesystem mount point */ char *ptr; /* current data pointer */ xfs_dir2_sf_entry_t *sfep; /* shortform entry */ - xfs_dir2_sf_t *sfp; /* shortform structure */ - xfs_ino_t temp; + xfs_dir2_sf_hdr_t *sfp; /* shortform directory header */ trace_xfs_dir2_block_to_sf(args); @@ -176,13 +249,14 @@ xfs_dir2_block_to_sf( * Make a copy of the block data, so we can shrink the inode * and add local data. */ - block = kmem_alloc(mp->m_dirblksize, KM_SLEEP); - memcpy(block, bp->data, mp->m_dirblksize); + hdr = kmem_alloc(mp->m_dirblksize, KM_SLEEP); + memcpy(hdr, bp->data, mp->m_dirblksize); logflags = XFS_ILOG_CORE; if ((error = xfs_dir2_shrink_inode(args, mp->m_dirdatablk, bp))) { ASSERT(error != ENOSPC); goto out; } + /* * The buffer is now unconditionally gone, whether * xfs_dir2_shrink_inode worked or not. @@ -198,14 +272,14 @@ xfs_dir2_block_to_sf( /* * Copy the header into the newly allocate local space. */ - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; memcpy(sfp, sfhp, xfs_dir2_sf_hdr_size(sfhp->i8count)); dp->i_d.di_size = size; /* * Set up to loop over the block's entries. */ - btp = xfs_dir2_block_tail_p(mp, block); - ptr = (char *)block->u; + btp = xfs_dir2_block_tail_p(mp, hdr); + ptr = (char *)(hdr + 1); endptr = (char *)xfs_dir2_block_leaf_p(btp); sfep = xfs_dir2_sf_firstentry(sfp); /* @@ -233,7 +307,7 @@ xfs_dir2_block_to_sf( else if (dep->namelen == 2 && dep->name[0] == '.' && dep->name[1] == '.') ASSERT(be64_to_cpu(dep->inumber) == - xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent)); + xfs_dir2_sf_get_parent_ino(sfp)); /* * Normal entry, copy it into shortform. */ @@ -241,11 +315,11 @@ xfs_dir2_block_to_sf( sfep->namelen = dep->namelen; xfs_dir2_sf_put_offset(sfep, (xfs_dir2_data_aoff_t) - ((char *)dep - (char *)block)); + ((char *)dep - (char *)hdr)); memcpy(sfep->name, dep->name, dep->namelen); - temp = be64_to_cpu(dep->inumber); - xfs_dir2_sf_put_inumber(sfp, &temp, - xfs_dir2_sf_inumberp(sfep)); + xfs_dir2_sfe_put_ino(sfp, sfep, + be64_to_cpu(dep->inumber)); + sfep = xfs_dir2_sf_nextentry(sfp, sfep); } ptr += xfs_dir2_data_entsize(dep->namelen); @@ -254,7 +328,7 @@ xfs_dir2_block_to_sf( xfs_dir2_sf_check(args); out: xfs_trans_log_inode(args->trans, dp, logflags); - kmem_free(block); + kmem_free(hdr); return error; } @@ -277,7 +351,7 @@ xfs_dir2_sf_addname( xfs_dir2_data_aoff_t offset = 0; /* offset for new entry */ int old_isize; /* di_size before adding name */ int pick; /* which algorithm to use */ - xfs_dir2_sf_t *sfp; /* shortform structure */ + xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ xfs_dir2_sf_entry_t *sfep = NULL; /* shortform entry */ trace_xfs_dir2_sf_addname(args); @@ -294,19 +368,19 @@ xfs_dir2_sf_addname( } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; - ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->hdr.i8count)); + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->i8count)); /* * Compute entry (and change in) size. */ - add_entsize = xfs_dir2_sf_entsize_byname(sfp, args->namelen); + add_entsize = xfs_dir2_sf_entsize(sfp, args->namelen); incr_isize = add_entsize; objchange = 0; #if XFS_BIG_INUMS /* * Do we have to change to 8 byte inodes? */ - if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && sfp->hdr.i8count == 0) { + if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && sfp->i8count == 0) { /* * Yes, adjust the entry size and the total size. */ @@ -314,7 +388,7 @@ xfs_dir2_sf_addname( (uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t); incr_isize += - (sfp->hdr.count + 2) * + (sfp->count + 2) * ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)); objchange = 1; @@ -384,21 +458,21 @@ xfs_dir2_sf_addname_easy( { int byteoff; /* byte offset in sf dir */ xfs_inode_t *dp; /* incore directory inode */ - xfs_dir2_sf_t *sfp; /* shortform structure */ + xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ dp = args->dp; - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; byteoff = (int)((char *)sfep - (char *)sfp); /* * Grow the in-inode space. */ - xfs_idata_realloc(dp, xfs_dir2_sf_entsize_byname(sfp, args->namelen), + xfs_idata_realloc(dp, xfs_dir2_sf_entsize(sfp, args->namelen), XFS_DATA_FORK); /* * Need to set up again due to realloc of the inode data. */ - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; sfep = (xfs_dir2_sf_entry_t *)((char *)sfp + byteoff); /* * Fill in the new entry. @@ -406,15 +480,14 @@ xfs_dir2_sf_addname_easy( sfep->namelen = args->namelen; xfs_dir2_sf_put_offset(sfep, offset); memcpy(sfep->name, args->name, sfep->namelen); - xfs_dir2_sf_put_inumber(sfp, &args->inumber, - xfs_dir2_sf_inumberp(sfep)); + xfs_dir2_sfe_put_ino(sfp, sfep, args->inumber); /* * Update the header and inode. */ - sfp->hdr.count++; + sfp->count++; #if XFS_BIG_INUMS if (args->inumber > XFS_DIR2_MAX_SHORT_INUM) - sfp->hdr.i8count++; + sfp->i8count++; #endif dp->i_d.di_size = new_isize; xfs_dir2_sf_check(args); @@ -444,19 +517,19 @@ xfs_dir2_sf_addname_hard( xfs_dir2_data_aoff_t offset; /* current offset value */ int old_isize; /* previous di_size */ xfs_dir2_sf_entry_t *oldsfep; /* entry in original dir */ - xfs_dir2_sf_t *oldsfp; /* original shortform dir */ + xfs_dir2_sf_hdr_t *oldsfp; /* original shortform dir */ xfs_dir2_sf_entry_t *sfep; /* entry in new dir */ - xfs_dir2_sf_t *sfp; /* new shortform dir */ + xfs_dir2_sf_hdr_t *sfp; /* new shortform dir */ /* * Copy the old directory to the stack buffer. */ dp = args->dp; - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; old_isize = (int)dp->i_d.di_size; buf = kmem_alloc(old_isize, KM_SLEEP); - oldsfp = (xfs_dir2_sf_t *)buf; + oldsfp = (xfs_dir2_sf_hdr_t *)buf; memcpy(oldsfp, sfp, old_isize); /* * Loop over the old directory finding the place we're going @@ -485,7 +558,7 @@ xfs_dir2_sf_addname_hard( /* * Reset the pointer since the buffer was reallocated. */ - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; /* * Copy the first part of the directory, including the header. */ @@ -498,12 +571,11 @@ xfs_dir2_sf_addname_hard( sfep->namelen = args->namelen; xfs_dir2_sf_put_offset(sfep, offset); memcpy(sfep->name, args->name, sfep->namelen); - xfs_dir2_sf_put_inumber(sfp, &args->inumber, - xfs_dir2_sf_inumberp(sfep)); - sfp->hdr.count++; + xfs_dir2_sfe_put_ino(sfp, sfep, args->inumber); + sfp->count++; #if XFS_BIG_INUMS if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && !objchange) - sfp->hdr.i8count++; + sfp->i8count++; #endif /* * If there's more left to copy, do that. @@ -537,14 +609,14 @@ xfs_dir2_sf_addname_pick( xfs_mount_t *mp; /* filesystem mount point */ xfs_dir2_data_aoff_t offset; /* data block offset */ xfs_dir2_sf_entry_t *sfep; /* shortform entry */ - xfs_dir2_sf_t *sfp; /* shortform structure */ + xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ int size; /* entry's data size */ int used; /* data bytes used */ dp = args->dp; mp = dp->i_mount; - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; size = xfs_dir2_data_entsize(args->namelen); offset = XFS_DIR2_DATA_FIRST_OFFSET; sfep = xfs_dir2_sf_firstentry(sfp); @@ -554,7 +626,7 @@ xfs_dir2_sf_addname_pick( * Keep track of data offset and whether we've seen a place * to insert the new entry. */ - for (i = 0; i < sfp->hdr.count; i++) { + for (i = 0; i < sfp->count; i++) { if (!holefit) holefit = offset + size <= xfs_dir2_sf_get_offset(sfep); offset = xfs_dir2_sf_get_offset(sfep) + @@ -566,7 +638,7 @@ xfs_dir2_sf_addname_pick( * was a data block (block form directory). */ used = offset + - (sfp->hdr.count + 3) * (uint)sizeof(xfs_dir2_leaf_entry_t) + + (sfp->count + 3) * (uint)sizeof(xfs_dir2_leaf_entry_t) + (uint)sizeof(xfs_dir2_block_tail_t); /* * If it won't fit in a block form then we can't insert it, @@ -612,30 +684,30 @@ xfs_dir2_sf_check( xfs_ino_t ino; /* entry inode number */ int offset; /* data offset */ xfs_dir2_sf_entry_t *sfep; /* shortform dir entry */ - xfs_dir2_sf_t *sfp; /* shortform structure */ + xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ dp = args->dp; - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; offset = XFS_DIR2_DATA_FIRST_OFFSET; - ino = xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent); + ino = xfs_dir2_sf_get_parent_ino(sfp); i8count = ino > XFS_DIR2_MAX_SHORT_INUM; for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); - i < sfp->hdr.count; + i < sfp->count; i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) { ASSERT(xfs_dir2_sf_get_offset(sfep) >= offset); - ino = xfs_dir2_sf_get_inumber(sfp, xfs_dir2_sf_inumberp(sfep)); + ino = xfs_dir2_sfe_get_ino(sfp, sfep); i8count += ino > XFS_DIR2_MAX_SHORT_INUM; offset = xfs_dir2_sf_get_offset(sfep) + xfs_dir2_data_entsize(sfep->namelen); } - ASSERT(i8count == sfp->hdr.i8count); + ASSERT(i8count == sfp->i8count); ASSERT(XFS_BIG_INUMS || i8count == 0); ASSERT((char *)sfep - (char *)sfp == dp->i_d.di_size); ASSERT(offset + - (sfp->hdr.count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) + + (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) + (uint)sizeof(xfs_dir2_block_tail_t) <= dp->i_mount->m_dirblksize); } @@ -651,7 +723,7 @@ xfs_dir2_sf_create( { xfs_inode_t *dp; /* incore directory inode */ int i8count; /* parent inode is an 8-byte number */ - xfs_dir2_sf_t *sfp; /* shortform structure */ + xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ int size; /* directory size */ trace_xfs_dir2_sf_create(args); @@ -681,13 +753,13 @@ xfs_dir2_sf_create( /* * Fill in the header, */ - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; - sfp->hdr.i8count = i8count; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + sfp->i8count = i8count; /* * Now can put in the inode number, since i8count is set. */ - xfs_dir2_sf_put_inumber(sfp, &pino, &sfp->hdr.parent); - sfp->hdr.count = 0; + xfs_dir2_sf_put_parent_ino(sfp, pino); + sfp->count = 0; dp->i_d.di_size = size; xfs_dir2_sf_check(args); xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA); @@ -705,7 +777,7 @@ xfs_dir2_sf_getdents( xfs_mount_t *mp; /* filesystem mount point */ xfs_dir2_dataptr_t off; /* current entry's offset */ xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */ - xfs_dir2_sf_t *sfp; /* shortform structure */ + xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ xfs_dir2_dataptr_t dot_offset; xfs_dir2_dataptr_t dotdot_offset; xfs_ino_t ino; @@ -724,9 +796,9 @@ xfs_dir2_sf_getdents( ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; - ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->hdr.i8count)); + ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->i8count)); /* * If the block number in the offset is out of range, we're done. @@ -759,7 +831,7 @@ xfs_dir2_sf_getdents( * Put .. entry unless we're starting past it. */ if (*offset <= dotdot_offset) { - ino = xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent); + ino = xfs_dir2_sf_get_parent_ino(sfp); if (filldir(dirent, "..", 2, dotdot_offset & 0x7fffffff, ino, DT_DIR)) { *offset = dotdot_offset & 0x7fffffff; return 0; @@ -770,7 +842,7 @@ xfs_dir2_sf_getdents( * Loop while there are more entries and put'ing works. */ sfep = xfs_dir2_sf_firstentry(sfp); - for (i = 0; i < sfp->hdr.count; i++) { + for (i = 0; i < sfp->count; i++) { off = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, xfs_dir2_sf_get_offset(sfep)); @@ -779,7 +851,7 @@ xfs_dir2_sf_getdents( continue; } - ino = xfs_dir2_sf_get_inumber(sfp, xfs_dir2_sf_inumberp(sfep)); + ino = xfs_dir2_sfe_get_ino(sfp, sfep); if (filldir(dirent, (char *)sfep->name, sfep->namelen, off & 0x7fffffff, ino, DT_UNKNOWN)) { *offset = off & 0x7fffffff; @@ -805,7 +877,7 @@ xfs_dir2_sf_lookup( int i; /* entry index */ int error; xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */ - xfs_dir2_sf_t *sfp; /* shortform structure */ + xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ enum xfs_dacmp cmp; /* comparison result */ xfs_dir2_sf_entry_t *ci_sfep; /* case-insens. entry */ @@ -824,8 +896,8 @@ xfs_dir2_sf_lookup( } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; - ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->hdr.i8count)); + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->i8count)); /* * Special case for . */ @@ -839,7 +911,7 @@ xfs_dir2_sf_lookup( */ if (args->namelen == 2 && args->name[0] == '.' && args->name[1] == '.') { - args->inumber = xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent); + args->inumber = xfs_dir2_sf_get_parent_ino(sfp); args->cmpresult = XFS_CMP_EXACT; return XFS_ERROR(EEXIST); } @@ -847,7 +919,7 @@ xfs_dir2_sf_lookup( * Loop over all the entries trying to match ours. */ ci_sfep = NULL; - for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); i < sfp->hdr.count; + for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); i < sfp->count; i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) { /* * Compare name and if it's an exact match, return the inode @@ -858,8 +930,7 @@ xfs_dir2_sf_lookup( sfep->namelen); if (cmp != XFS_CMP_DIFFERENT && cmp != args->cmpresult) { args->cmpresult = cmp; - args->inumber = xfs_dir2_sf_get_inumber(sfp, - xfs_dir2_sf_inumberp(sfep)); + args->inumber = xfs_dir2_sfe_get_ino(sfp, sfep); if (cmp == XFS_CMP_EXACT) return XFS_ERROR(EEXIST); ci_sfep = sfep; @@ -891,7 +962,7 @@ xfs_dir2_sf_removename( int newsize; /* new inode size */ int oldsize; /* old inode size */ xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */ - xfs_dir2_sf_t *sfp; /* shortform structure */ + xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ trace_xfs_dir2_sf_removename(args); @@ -908,32 +979,31 @@ xfs_dir2_sf_removename( } ASSERT(dp->i_df.if_bytes == oldsize); ASSERT(dp->i_df.if_u1.if_data != NULL); - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; - ASSERT(oldsize >= xfs_dir2_sf_hdr_size(sfp->hdr.i8count)); + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(oldsize >= xfs_dir2_sf_hdr_size(sfp->i8count)); /* * Loop over the old directory entries. * Find the one we're deleting. */ - for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); i < sfp->hdr.count; + for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); i < sfp->count; i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) { if (xfs_da_compname(args, sfep->name, sfep->namelen) == XFS_CMP_EXACT) { - ASSERT(xfs_dir2_sf_get_inumber(sfp, - xfs_dir2_sf_inumberp(sfep)) == - args->inumber); + ASSERT(xfs_dir2_sfe_get_ino(sfp, sfep) == + args->inumber); break; } } /* * Didn't find it. */ - if (i == sfp->hdr.count) + if (i == sfp->count) return XFS_ERROR(ENOENT); /* * Calculate sizes. */ byteoff = (int)((char *)sfep - (char *)sfp); - entsize = xfs_dir2_sf_entsize_byname(sfp, args->namelen); + entsize = xfs_dir2_sf_entsize(sfp, args->namelen); newsize = oldsize - entsize; /* * Copy the part if any after the removed entry, sliding it down. @@ -944,22 +1014,22 @@ xfs_dir2_sf_removename( /* * Fix up the header and file size. */ - sfp->hdr.count--; + sfp->count--; dp->i_d.di_size = newsize; /* * Reallocate, making it smaller. */ xfs_idata_realloc(dp, newsize - oldsize, XFS_DATA_FORK); - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; #if XFS_BIG_INUMS /* * Are we changing inode number size? */ if (args->inumber > XFS_DIR2_MAX_SHORT_INUM) { - if (sfp->hdr.i8count == 1) + if (sfp->i8count == 1) xfs_dir2_sf_toino4(args); else - sfp->hdr.i8count--; + sfp->i8count--; } #endif xfs_dir2_sf_check(args); @@ -983,7 +1053,7 @@ xfs_dir2_sf_replace( int i8elevated; /* sf_toino8 set i8count=1 */ #endif xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */ - xfs_dir2_sf_t *sfp; /* shortform structure */ + xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ trace_xfs_dir2_sf_replace(args); @@ -999,19 +1069,19 @@ xfs_dir2_sf_replace( } ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; - ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->hdr.i8count)); + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->i8count)); #if XFS_BIG_INUMS /* * New inode number is large, and need to convert to 8-byte inodes. */ - if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && sfp->hdr.i8count == 0) { + if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && sfp->i8count == 0) { int error; /* error return value */ int newsize; /* new inode size */ newsize = dp->i_df.if_bytes + - (sfp->hdr.count + 1) * + (sfp->count + 1) * ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)); /* @@ -1029,7 +1099,7 @@ xfs_dir2_sf_replace( */ xfs_dir2_sf_toino8(args); i8elevated = 1; - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; } else i8elevated = 0; #endif @@ -1040,34 +1110,32 @@ xfs_dir2_sf_replace( if (args->namelen == 2 && args->name[0] == '.' && args->name[1] == '.') { #if XFS_BIG_INUMS || defined(DEBUG) - ino = xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent); + ino = xfs_dir2_sf_get_parent_ino(sfp); ASSERT(args->inumber != ino); #endif - xfs_dir2_sf_put_inumber(sfp, &args->inumber, &sfp->hdr.parent); + xfs_dir2_sf_put_parent_ino(sfp, args->inumber); } /* * Normal entry, look for the name. */ else { for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); - i < sfp->hdr.count; + i < sfp->count; i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) { if (xfs_da_compname(args, sfep->name, sfep->namelen) == XFS_CMP_EXACT) { #if XFS_BIG_INUMS || defined(DEBUG) - ino = xfs_dir2_sf_get_inumber(sfp, - xfs_dir2_sf_inumberp(sfep)); + ino = xfs_dir2_sfe_get_ino(sfp, sfep); ASSERT(args->inumber != ino); #endif - xfs_dir2_sf_put_inumber(sfp, &args->inumber, - xfs_dir2_sf_inumberp(sfep)); + xfs_dir2_sfe_put_ino(sfp, sfep, args->inumber); break; } } /* * Didn't find it. */ - if (i == sfp->hdr.count) { + if (i == sfp->count) { ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); #if XFS_BIG_INUMS if (i8elevated) @@ -1085,10 +1153,10 @@ xfs_dir2_sf_replace( /* * And the old count was one, so need to convert to small. */ - if (sfp->hdr.i8count == 1) + if (sfp->i8count == 1) xfs_dir2_sf_toino4(args); else - sfp->hdr.i8count--; + sfp->i8count--; } /* * See if the old number was small, the new number is large. @@ -1099,9 +1167,9 @@ xfs_dir2_sf_replace( * add to the i8count unless we just converted to 8-byte * inodes (which does an implied i8count = 1) */ - ASSERT(sfp->hdr.i8count != 0); + ASSERT(sfp->i8count != 0); if (!i8elevated) - sfp->hdr.i8count++; + sfp->i8count++; } #endif xfs_dir2_sf_check(args); @@ -1121,13 +1189,12 @@ xfs_dir2_sf_toino4( char *buf; /* old dir's buffer */ xfs_inode_t *dp; /* incore directory inode */ int i; /* entry index */ - xfs_ino_t ino; /* entry inode number */ int newsize; /* new inode size */ xfs_dir2_sf_entry_t *oldsfep; /* old sf entry */ - xfs_dir2_sf_t *oldsfp; /* old sf directory */ + xfs_dir2_sf_hdr_t *oldsfp; /* old sf directory */ int oldsize; /* old inode size */ xfs_dir2_sf_entry_t *sfep; /* new sf entry */ - xfs_dir2_sf_t *sfp; /* new sf directory */ + xfs_dir2_sf_hdr_t *sfp; /* new sf directory */ trace_xfs_dir2_sf_toino4(args); @@ -1140,44 +1207,42 @@ xfs_dir2_sf_toino4( */ oldsize = dp->i_df.if_bytes; buf = kmem_alloc(oldsize, KM_SLEEP); - oldsfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; - ASSERT(oldsfp->hdr.i8count == 1); + oldsfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(oldsfp->i8count == 1); memcpy(buf, oldsfp, oldsize); /* * Compute the new inode size. */ newsize = oldsize - - (oldsfp->hdr.count + 1) * + (oldsfp->count + 1) * ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)); xfs_idata_realloc(dp, -oldsize, XFS_DATA_FORK); xfs_idata_realloc(dp, newsize, XFS_DATA_FORK); /* * Reset our pointers, the data has moved. */ - oldsfp = (xfs_dir2_sf_t *)buf; - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + oldsfp = (xfs_dir2_sf_hdr_t *)buf; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; /* * Fill in the new header. */ - sfp->hdr.count = oldsfp->hdr.count; - sfp->hdr.i8count = 0; - ino = xfs_dir2_sf_get_inumber(oldsfp, &oldsfp->hdr.parent); - xfs_dir2_sf_put_inumber(sfp, &ino, &sfp->hdr.parent); + sfp->count = oldsfp->count; + sfp->i8count = 0; + xfs_dir2_sf_put_parent_ino(sfp, xfs_dir2_sf_get_parent_ino(oldsfp)); /* * Copy the entries field by field. */ for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp), oldsfep = xfs_dir2_sf_firstentry(oldsfp); - i < sfp->hdr.count; + i < sfp->count; i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep), oldsfep = xfs_dir2_sf_nextentry(oldsfp, oldsfep)) { sfep->namelen = oldsfep->namelen; sfep->offset = oldsfep->offset; memcpy(sfep->name, oldsfep->name, sfep->namelen); - ino = xfs_dir2_sf_get_inumber(oldsfp, - xfs_dir2_sf_inumberp(oldsfep)); - xfs_dir2_sf_put_inumber(sfp, &ino, xfs_dir2_sf_inumberp(sfep)); + xfs_dir2_sfe_put_ino(sfp, sfep, + xfs_dir2_sfe_get_ino(oldsfp, oldsfep)); } /* * Clean up the inode. @@ -1199,13 +1264,12 @@ xfs_dir2_sf_toino8( char *buf; /* old dir's buffer */ xfs_inode_t *dp; /* incore directory inode */ int i; /* entry index */ - xfs_ino_t ino; /* entry inode number */ int newsize; /* new inode size */ xfs_dir2_sf_entry_t *oldsfep; /* old sf entry */ - xfs_dir2_sf_t *oldsfp; /* old sf directory */ + xfs_dir2_sf_hdr_t *oldsfp; /* old sf directory */ int oldsize; /* old inode size */ xfs_dir2_sf_entry_t *sfep; /* new sf entry */ - xfs_dir2_sf_t *sfp; /* new sf directory */ + xfs_dir2_sf_hdr_t *sfp; /* new sf directory */ trace_xfs_dir2_sf_toino8(args); @@ -1218,44 +1282,42 @@ xfs_dir2_sf_toino8( */ oldsize = dp->i_df.if_bytes; buf = kmem_alloc(oldsize, KM_SLEEP); - oldsfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; - ASSERT(oldsfp->hdr.i8count == 0); + oldsfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(oldsfp->i8count == 0); memcpy(buf, oldsfp, oldsize); /* * Compute the new inode size. */ newsize = oldsize + - (oldsfp->hdr.count + 1) * + (oldsfp->count + 1) * ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)); xfs_idata_realloc(dp, -oldsize, XFS_DATA_FORK); xfs_idata_realloc(dp, newsize, XFS_DATA_FORK); /* * Reset our pointers, the data has moved. */ - oldsfp = (xfs_dir2_sf_t *)buf; - sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data; + oldsfp = (xfs_dir2_sf_hdr_t *)buf; + sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; /* * Fill in the new header. */ - sfp->hdr.count = oldsfp->hdr.count; - sfp->hdr.i8count = 1; - ino = xfs_dir2_sf_get_inumber(oldsfp, &oldsfp->hdr.parent); - xfs_dir2_sf_put_inumber(sfp, &ino, &sfp->hdr.parent); + sfp->count = oldsfp->count; + sfp->i8count = 1; + xfs_dir2_sf_put_parent_ino(sfp, xfs_dir2_sf_get_parent_ino(oldsfp)); /* * Copy the entries field by field. */ for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp), oldsfep = xfs_dir2_sf_firstentry(oldsfp); - i < sfp->hdr.count; + i < sfp->count; i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep), oldsfep = xfs_dir2_sf_nextentry(oldsfp, oldsfep)) { sfep->namelen = oldsfep->namelen; sfep->offset = oldsfep->offset; memcpy(sfep->name, oldsfep->name, sfep->namelen); - ino = xfs_dir2_sf_get_inumber(oldsfp, - xfs_dir2_sf_inumberp(oldsfep)); - xfs_dir2_sf_put_inumber(sfp, &ino, xfs_dir2_sf_inumberp(sfep)); + xfs_dir2_sfe_put_ino(sfp, sfep, + xfs_dir2_sfe_get_ino(oldsfp, oldsfep)); } /* * Clean up the inode. diff --git a/fs/xfs/xfs_dir2_sf.h b/fs/xfs/xfs_dir2_sf.h deleted file mode 100644 index 6ac44b550d39..000000000000 --- a/fs/xfs/xfs_dir2_sf.h +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_DIR2_SF_H__ -#define __XFS_DIR2_SF_H__ - -/* - * Directory layout when stored internal to an inode. - * - * Small directories are packed as tightly as possible so as to - * fit into the literal area of the inode. - */ - -struct uio; -struct xfs_dabuf; -struct xfs_da_args; -struct xfs_dir2_block; -struct xfs_inode; -struct xfs_mount; -struct xfs_trans; - -/* - * Inode number stored as 8 8-bit values. - */ -typedef struct { __uint8_t i[8]; } xfs_dir2_ino8_t; - -/* - * Inode number stored as 4 8-bit values. - * Works a lot of the time, when all the inode numbers in a directory - * fit in 32 bits. - */ -typedef struct { __uint8_t i[4]; } xfs_dir2_ino4_t; - -typedef union { - xfs_dir2_ino8_t i8; - xfs_dir2_ino4_t i4; -} xfs_dir2_inou_t; -#define XFS_DIR2_MAX_SHORT_INUM ((xfs_ino_t)0xffffffffULL) - -/* - * Normalized offset (in a data block) of the entry, really xfs_dir2_data_off_t. - * Only need 16 bits, this is the byte offset into the single block form. - */ -typedef struct { __uint8_t i[2]; } __arch_pack xfs_dir2_sf_off_t; - -/* - * The parent directory has a dedicated field, and the self-pointer must - * be calculated on the fly. - * - * Entries are packed toward the top as tightly as possible. The header - * and the elements must be memcpy'd out into a work area to get correct - * alignment for the inode number fields. - */ -typedef struct xfs_dir2_sf_hdr { - __uint8_t count; /* count of entries */ - __uint8_t i8count; /* count of 8-byte inode #s */ - xfs_dir2_inou_t parent; /* parent dir inode number */ -} __arch_pack xfs_dir2_sf_hdr_t; - -typedef struct xfs_dir2_sf_entry { - __uint8_t namelen; /* actual name length */ - xfs_dir2_sf_off_t offset; /* saved offset */ - __uint8_t name[1]; /* name, variable size */ - xfs_dir2_inou_t inumber; /* inode number, var. offset */ -} __arch_pack xfs_dir2_sf_entry_t; - -typedef struct xfs_dir2_sf { - xfs_dir2_sf_hdr_t hdr; /* shortform header */ - xfs_dir2_sf_entry_t list[1]; /* shortform entries */ -} xfs_dir2_sf_t; - -static inline int xfs_dir2_sf_hdr_size(int i8count) -{ - return ((uint)sizeof(xfs_dir2_sf_hdr_t) - \ - ((i8count) == 0) * \ - ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t))); -} - -static inline xfs_dir2_inou_t *xfs_dir2_sf_inumberp(xfs_dir2_sf_entry_t *sfep) -{ - return (xfs_dir2_inou_t *)&(sfep)->name[(sfep)->namelen]; -} - -static inline xfs_intino_t -xfs_dir2_sf_get_inumber(xfs_dir2_sf_t *sfp, xfs_dir2_inou_t *from) -{ - return ((sfp)->hdr.i8count == 0 ? \ - (xfs_intino_t)XFS_GET_DIR_INO4((from)->i4) : \ - (xfs_intino_t)XFS_GET_DIR_INO8((from)->i8)); -} - -static inline void xfs_dir2_sf_put_inumber(xfs_dir2_sf_t *sfp, xfs_ino_t *from, - xfs_dir2_inou_t *to) -{ - if ((sfp)->hdr.i8count == 0) - XFS_PUT_DIR_INO4(*(from), (to)->i4); - else - XFS_PUT_DIR_INO8(*(from), (to)->i8); -} - -static inline xfs_dir2_data_aoff_t -xfs_dir2_sf_get_offset(xfs_dir2_sf_entry_t *sfep) -{ - return INT_GET_UNALIGNED_16_BE(&(sfep)->offset.i); -} - -static inline void -xfs_dir2_sf_put_offset(xfs_dir2_sf_entry_t *sfep, xfs_dir2_data_aoff_t off) -{ - INT_SET_UNALIGNED_16_BE(&(sfep)->offset.i, off); -} - -static inline int xfs_dir2_sf_entsize_byname(xfs_dir2_sf_t *sfp, int len) -{ - return ((uint)sizeof(xfs_dir2_sf_entry_t) - 1 + (len) - \ - ((sfp)->hdr.i8count == 0) * \ - ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t))); -} - -static inline int -xfs_dir2_sf_entsize_byentry(xfs_dir2_sf_t *sfp, xfs_dir2_sf_entry_t *sfep) -{ - return ((uint)sizeof(xfs_dir2_sf_entry_t) - 1 + (sfep)->namelen - \ - ((sfp)->hdr.i8count == 0) * \ - ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t))); -} - -static inline xfs_dir2_sf_entry_t *xfs_dir2_sf_firstentry(xfs_dir2_sf_t *sfp) -{ - return ((xfs_dir2_sf_entry_t *) \ - ((char *)(sfp) + xfs_dir2_sf_hdr_size(sfp->hdr.i8count))); -} - -static inline xfs_dir2_sf_entry_t * -xfs_dir2_sf_nextentry(xfs_dir2_sf_t *sfp, xfs_dir2_sf_entry_t *sfep) -{ - return ((xfs_dir2_sf_entry_t *) \ - ((char *)(sfep) + xfs_dir2_sf_entsize_byentry(sfp,sfep))); -} - -/* - * Functions. - */ -extern int xfs_dir2_block_sfsize(struct xfs_inode *dp, - struct xfs_dir2_block *block, - xfs_dir2_sf_hdr_t *sfhp); -extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp, - int size, xfs_dir2_sf_hdr_t *sfhp); -extern int xfs_dir2_sf_addname(struct xfs_da_args *args); -extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); -extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent, - xfs_off_t *offset, filldir_t filldir); -extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); -extern int xfs_dir2_sf_removename(struct xfs_da_args *args); -extern int xfs_dir2_sf_replace(struct xfs_da_args *args); - -#endif /* __XFS_DIR2_SF_H__ */ diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h index 8f6fc1a96386..c13fed8c394a 100644 --- a/fs/xfs/xfs_fs.h +++ b/fs/xfs/xfs_fs.h @@ -249,6 +249,11 @@ typedef struct xfs_fsop_resblks { #define XFS_MAX_LOG_BYTES \ ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) +/* Used for sanity checks on superblock */ +#define XFS_MAX_DBLOCKS(s) ((xfs_drfsbno_t)(s)->sb_agcount * (s)->sb_agblocks) +#define XFS_MIN_DBLOCKS(s) ((xfs_drfsbno_t)((s)->sb_agcount - 1) * \ + (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) + /* * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT */ diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 84ebeec16642..dd5628bd8d0b 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -683,7 +683,7 @@ xfs_dialloc( return 0; } agi = XFS_BUF_TO_AGI(agbp); - ASSERT(be32_to_cpu(agi->agi_magicnum) == XFS_AGI_MAGIC); + ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC)); } else { /* * Continue where we left off before. In this case, we @@ -691,7 +691,7 @@ xfs_dialloc( */ agbp = *IO_agbp; agi = XFS_BUF_TO_AGI(agbp); - ASSERT(be32_to_cpu(agi->agi_magicnum) == XFS_AGI_MAGIC); + ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC)); ASSERT(be32_to_cpu(agi->agi_freecount) > 0); } mp = tp->t_mountp; @@ -775,7 +775,7 @@ nextag: if (error) goto nextag; agi = XFS_BUF_TO_AGI(agbp); - ASSERT(be32_to_cpu(agi->agi_magicnum) == XFS_AGI_MAGIC); + ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC)); } /* * Here with an allocation group that has a free inode. @@ -944,7 +944,7 @@ nextag: * See if the most recently allocated block has any free. */ newino: - if (be32_to_cpu(agi->agi_newino) != NULLAGINO) { + if (agi->agi_newino != cpu_to_be32(NULLAGINO)) { error = xfs_inobt_lookup(cur, be32_to_cpu(agi->agi_newino), XFS_LOOKUP_EQ, &i); if (error) @@ -1085,7 +1085,7 @@ xfs_difree( return error; } agi = XFS_BUF_TO_AGI(agbp); - ASSERT(be32_to_cpu(agi->agi_magicnum) == XFS_AGI_MAGIC); + ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC)); ASSERT(agbno < be32_to_cpu(agi->agi_length)); /* * Initialize the cursor. @@ -1438,7 +1438,7 @@ xfs_ialloc_log_agi( xfs_agi_t *agi; /* allocation group header */ agi = XFS_BUF_TO_AGI(bp); - ASSERT(be32_to_cpu(agi->agi_magicnum) == XFS_AGI_MAGIC); + ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC)); #endif /* * Compute byte offsets for the first and last fields. @@ -1492,7 +1492,7 @@ xfs_read_agi( /* * Validate the magic number of the agi block. */ - agi_ok = be32_to_cpu(agi->agi_magicnum) == XFS_AGI_MAGIC && + agi_ok = agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC) && XFS_AGI_GOOD_VERSION(be32_to_cpu(agi->agi_versionnum)) && be32_to_cpu(agi->agi_seqno) == agno; if (unlikely(XFS_TEST_ERROR(!agi_ok, mp, XFS_ERRTAG_IALLOC_READ_AGI, diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c index 16921f55c542..c6a75815aea0 100644 --- a/fs/xfs/xfs_ialloc_btree.c +++ b/fs/xfs/xfs_ialloc_btree.c @@ -31,7 +31,6 @@ #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_btree.h" -#include "xfs_btree_trace.h" #include "xfs_ialloc.h" #include "xfs_alloc.h" #include "xfs_error.h" @@ -205,72 +204,6 @@ xfs_inobt_recs_inorder( } #endif /* DEBUG */ -#ifdef XFS_BTREE_TRACE -ktrace_t *xfs_inobt_trace_buf; - -STATIC void -xfs_inobt_trace_enter( - struct xfs_btree_cur *cur, - const char *func, - char *s, - int type, - int line, - __psunsigned_t a0, - __psunsigned_t a1, - __psunsigned_t a2, - __psunsigned_t a3, - __psunsigned_t a4, - __psunsigned_t a5, - __psunsigned_t a6, - __psunsigned_t a7, - __psunsigned_t a8, - __psunsigned_t a9, - __psunsigned_t a10) -{ - ktrace_enter(xfs_inobt_trace_buf, (void *)(__psint_t)type, - (void *)func, (void *)s, NULL, (void *)cur, - (void *)a0, (void *)a1, (void *)a2, (void *)a3, - (void *)a4, (void *)a5, (void *)a6, (void *)a7, - (void *)a8, (void *)a9, (void *)a10); -} - -STATIC void -xfs_inobt_trace_cursor( - struct xfs_btree_cur *cur, - __uint32_t *s0, - __uint64_t *l0, - __uint64_t *l1) -{ - *s0 = cur->bc_private.a.agno; - *l0 = cur->bc_rec.i.ir_startino; - *l1 = cur->bc_rec.i.ir_free; -} - -STATIC void -xfs_inobt_trace_key( - struct xfs_btree_cur *cur, - union xfs_btree_key *key, - __uint64_t *l0, - __uint64_t *l1) -{ - *l0 = be32_to_cpu(key->inobt.ir_startino); - *l1 = 0; -} - -STATIC void -xfs_inobt_trace_record( - struct xfs_btree_cur *cur, - union xfs_btree_rec *rec, - __uint64_t *l0, - __uint64_t *l1, - __uint64_t *l2) -{ - *l0 = be32_to_cpu(rec->inobt.ir_startino); - *l1 = be32_to_cpu(rec->inobt.ir_freecount); - *l2 = be64_to_cpu(rec->inobt.ir_free); -} -#endif /* XFS_BTREE_TRACE */ - static const struct xfs_btree_ops xfs_inobt_ops = { .rec_len = sizeof(xfs_inobt_rec_t), .key_len = sizeof(xfs_inobt_key_t), @@ -286,18 +219,10 @@ static const struct xfs_btree_ops xfs_inobt_ops = { .init_rec_from_cur = xfs_inobt_init_rec_from_cur, .init_ptr_from_cur = xfs_inobt_init_ptr_from_cur, .key_diff = xfs_inobt_key_diff, - #ifdef DEBUG .keys_inorder = xfs_inobt_keys_inorder, .recs_inorder = xfs_inobt_recs_inorder, #endif - -#ifdef XFS_BTREE_TRACE - .trace_enter = xfs_inobt_trace_enter, - .trace_cursor = xfs_inobt_trace_cursor, - .trace_key = xfs_inobt_trace_key, - .trace_record = xfs_inobt_trace_record, -#endif }; /* diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 3631783b2b53..7759812c1bbe 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -38,7 +38,6 @@ #include "xfs_trans_priv.h" #include "xfs_inode_item.h" #include "xfs_bmap.h" -#include "xfs_btree_trace.h" #include "xfs_trace.h" diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index a098a20ca63e..3cc21ddf9f7e 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -37,7 +37,6 @@ #include "xfs_buf_item.h" #include "xfs_inode_item.h" #include "xfs_btree.h" -#include "xfs_btree_trace.h" #include "xfs_alloc.h" #include "xfs_ialloc.h" #include "xfs_bmap.h" @@ -52,7 +51,7 @@ kmem_zone_t *xfs_ifork_zone; kmem_zone_t *xfs_inode_zone; /* - * Used in xfs_itruncate(). This is the maximum number of extents + * Used in xfs_itruncate_extents(). This is the maximum number of extents * freed from a file in a single transaction. */ #define XFS_ITRUNC_MAX_EXTENTS 2 @@ -167,7 +166,7 @@ xfs_imap_to_bp( dip = (xfs_dinode_t *)xfs_buf_offset(bp, (i << mp->m_sb.sb_inodelog)); - di_ok = be16_to_cpu(dip->di_magic) == XFS_DINODE_MAGIC && + di_ok = dip->di_magic == cpu_to_be16(XFS_DINODE_MAGIC) && XFS_DINODE_GOOD_VERSION(dip->di_version); if (unlikely(XFS_TEST_ERROR(!di_ok, mp, XFS_ERRTAG_ITOBP_INOTOBP, @@ -802,7 +801,7 @@ xfs_iread( * If we got something that isn't an inode it means someone * (nfs or dmi) has a stale handle. */ - if (be16_to_cpu(dip->di_magic) != XFS_DINODE_MAGIC) { + if (dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC)) { #ifdef DEBUG xfs_alert(mp, "%s: dip->di_magic (0x%x) != XFS_DINODE_MAGIC (0x%x)", @@ -1179,15 +1178,15 @@ xfs_ialloc( * at least do it for regular files. */ #ifdef DEBUG -void +STATIC void xfs_isize_check( - xfs_mount_t *mp, - xfs_inode_t *ip, - xfs_fsize_t isize) + struct xfs_inode *ip, + xfs_fsize_t isize) { - xfs_fileoff_t map_first; - int nimaps; - xfs_bmbt_irec_t imaps[2]; + struct xfs_mount *mp = ip->i_mount; + xfs_fileoff_t map_first; + int nimaps; + xfs_bmbt_irec_t imaps[2]; if ((ip->i_d.di_mode & S_IFMT) != S_IFREG) return; @@ -1214,168 +1213,14 @@ xfs_isize_check( ASSERT(nimaps == 1); ASSERT(imaps[0].br_startblock == HOLESTARTBLOCK); } +#else /* DEBUG */ +#define xfs_isize_check(ip, isize) #endif /* DEBUG */ /* - * Calculate the last possible buffered byte in a file. This must - * include data that was buffered beyond the EOF by the write code. - * This also needs to deal with overflowing the xfs_fsize_t type - * which can happen for sizes near the limit. - * - * We also need to take into account any blocks beyond the EOF. It - * may be the case that they were buffered by a write which failed. - * In that case the pages will still be in memory, but the inode size - * will never have been updated. - */ -STATIC xfs_fsize_t -xfs_file_last_byte( - xfs_inode_t *ip) -{ - xfs_mount_t *mp; - xfs_fsize_t last_byte; - xfs_fileoff_t last_block; - xfs_fileoff_t size_last_block; - int error; - - ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL|XFS_IOLOCK_SHARED)); - - mp = ip->i_mount; - /* - * Only check for blocks beyond the EOF if the extents have - * been read in. This eliminates the need for the inode lock, - * and it also saves us from looking when it really isn't - * necessary. - */ - if (ip->i_df.if_flags & XFS_IFEXTENTS) { - xfs_ilock(ip, XFS_ILOCK_SHARED); - error = xfs_bmap_last_offset(NULL, ip, &last_block, - XFS_DATA_FORK); - xfs_iunlock(ip, XFS_ILOCK_SHARED); - if (error) { - last_block = 0; - } - } else { - last_block = 0; - } - size_last_block = XFS_B_TO_FSB(mp, (xfs_ufsize_t)ip->i_size); - last_block = XFS_FILEOFF_MAX(last_block, size_last_block); - - last_byte = XFS_FSB_TO_B(mp, last_block); - if (last_byte < 0) { - return XFS_MAXIOFFSET(mp); - } - last_byte += (1 << mp->m_writeio_log); - if (last_byte < 0) { - return XFS_MAXIOFFSET(mp); - } - return last_byte; -} - -/* - * Start the truncation of the file to new_size. The new size - * must be smaller than the current size. This routine will - * clear the buffer and page caches of file data in the removed - * range, and xfs_itruncate_finish() will remove the underlying - * disk blocks. - * - * The inode must have its I/O lock locked EXCLUSIVELY, and it - * must NOT have the inode lock held at all. This is because we're - * calling into the buffer/page cache code and we can't hold the - * inode lock when we do so. - * - * We need to wait for any direct I/Os in flight to complete before we - * proceed with the truncate. This is needed to prevent the extents - * being read or written by the direct I/Os from being removed while the - * I/O is in flight as there is no other method of synchronising - * direct I/O with the truncate operation. Also, because we hold - * the IOLOCK in exclusive mode, we prevent new direct I/Os from being - * started until the truncate completes and drops the lock. Essentially, - * the xfs_ioend_wait() call forms an I/O barrier that provides strict - * ordering between direct I/Os and the truncate operation. - * - * The flags parameter can have either the value XFS_ITRUNC_DEFINITE - * or XFS_ITRUNC_MAYBE. The XFS_ITRUNC_MAYBE value should be used - * in the case that the caller is locking things out of order and - * may not be able to call xfs_itruncate_finish() with the inode lock - * held without dropping the I/O lock. If the caller must drop the - * I/O lock before calling xfs_itruncate_finish(), then xfs_itruncate_start() - * must be called again with all the same restrictions as the initial - * call. - */ -int -xfs_itruncate_start( - xfs_inode_t *ip, - uint flags, - xfs_fsize_t new_size) -{ - xfs_fsize_t last_byte; - xfs_off_t toss_start; - xfs_mount_t *mp; - int error = 0; - - ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL)); - ASSERT((new_size == 0) || (new_size <= ip->i_size)); - ASSERT((flags == XFS_ITRUNC_DEFINITE) || - (flags == XFS_ITRUNC_MAYBE)); - - mp = ip->i_mount; - - /* wait for the completion of any pending DIOs */ - if (new_size == 0 || new_size < ip->i_size) - xfs_ioend_wait(ip); - - /* - * Call toss_pages or flushinval_pages to get rid of pages - * overlapping the region being removed. We have to use - * the less efficient flushinval_pages in the case that the - * caller may not be able to finish the truncate without - * dropping the inode's I/O lock. Make sure - * to catch any pages brought in by buffers overlapping - * the EOF by searching out beyond the isize by our - * block size. We round new_size up to a block boundary - * so that we don't toss things on the same block as - * new_size but before it. - * - * Before calling toss_page or flushinval_pages, make sure to - * call remapf() over the same region if the file is mapped. - * This frees up mapped file references to the pages in the - * given range and for the flushinval_pages case it ensures - * that we get the latest mapped changes flushed out. - */ - toss_start = XFS_B_TO_FSB(mp, (xfs_ufsize_t)new_size); - toss_start = XFS_FSB_TO_B(mp, toss_start); - if (toss_start < 0) { - /* - * The place to start tossing is beyond our maximum - * file size, so there is no way that the data extended - * out there. - */ - return 0; - } - last_byte = xfs_file_last_byte(ip); - trace_xfs_itruncate_start(ip, new_size, flags, toss_start, last_byte); - if (last_byte > toss_start) { - if (flags & XFS_ITRUNC_DEFINITE) { - xfs_tosspages(ip, toss_start, - -1, FI_REMAPF_LOCKED); - } else { - error = xfs_flushinval_pages(ip, toss_start, - -1, FI_REMAPF_LOCKED); - } - } - -#ifdef DEBUG - if (new_size == 0) { - ASSERT(VN_CACHED(VFS_I(ip)) == 0); - } -#endif - return error; -} - -/* - * Shrink the file to the given new_size. The new size must be smaller than - * the current size. This will free up the underlying blocks in the removed - * range after a call to xfs_itruncate_start() or xfs_atruncate_start(). + * Free up the underlying blocks past new_size. The new size must be smaller + * than the current size. This routine can be used both for the attribute and + * data fork, and does not modify the inode size, which is left to the caller. * * The transaction passed to this routine must have made a permanent log * reservation of at least XFS_ITRUNCATE_LOG_RES. This routine may commit the @@ -1387,31 +1232,6 @@ xfs_itruncate_start( * will be "held" within the returned transaction. This routine does NOT * require any disk space to be reserved for it within the transaction. * - * The fork parameter must be either xfs_attr_fork or xfs_data_fork, and it - * indicates the fork which is to be truncated. For the attribute fork we only - * support truncation to size 0. - * - * We use the sync parameter to indicate whether or not the first transaction - * we perform might have to be synchronous. For the attr fork, it needs to be - * so if the unlink of the inode is not yet known to be permanent in the log. - * This keeps us from freeing and reusing the blocks of the attribute fork - * before the unlink of the inode becomes permanent. - * - * For the data fork, we normally have to run synchronously if we're being - * called out of the inactive path or we're being called out of the create path - * where we're truncating an existing file. Either way, the truncate needs to - * be sync so blocks don't reappear in the file with altered data in case of a - * crash. wsync filesystems can run the first case async because anything that - * shrinks the inode has to run sync so by the time we're called here from - * inactive, the inode size is permanently set to 0. - * - * Calls from the truncate path always need to be sync unless we're in a wsync - * filesystem and the file has already been unlinked. - * - * The caller is responsible for correctly setting the sync parameter. It gets - * too hard for us to guess here which path we're being called out of just - * based on inode state. - * * If we get an error, we must return with the inode locked and linked into the * current transaction. This keeps things simple for the higher level code, * because it always knows that the inode is locked and held in the transaction @@ -1419,124 +1239,30 @@ xfs_itruncate_start( * dirty on error so that transactions can be easily aborted if possible. */ int -xfs_itruncate_finish( - xfs_trans_t **tp, - xfs_inode_t *ip, - xfs_fsize_t new_size, - int fork, - int sync) +xfs_itruncate_extents( + struct xfs_trans **tpp, + struct xfs_inode *ip, + int whichfork, + xfs_fsize_t new_size) { - xfs_fsblock_t first_block; - xfs_fileoff_t first_unmap_block; - xfs_fileoff_t last_block; - xfs_filblks_t unmap_len=0; - xfs_mount_t *mp; - xfs_trans_t *ntp; - int done; - int committed; - xfs_bmap_free_t free_list; - int error; + struct xfs_mount *mp = ip->i_mount; + struct xfs_trans *tp = *tpp; + struct xfs_trans *ntp; + xfs_bmap_free_t free_list; + xfs_fsblock_t first_block; + xfs_fileoff_t first_unmap_block; + xfs_fileoff_t last_block; + xfs_filblks_t unmap_len; + int committed; + int error = 0; + int done = 0; ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_IOLOCK_EXCL)); - ASSERT((new_size == 0) || (new_size <= ip->i_size)); - ASSERT(*tp != NULL); - ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); - ASSERT(ip->i_transp == *tp); + ASSERT(new_size <= ip->i_size); + ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES); ASSERT(ip->i_itemp != NULL); ASSERT(ip->i_itemp->ili_lock_flags == 0); - - - ntp = *tp; - mp = (ntp)->t_mountp; - ASSERT(! XFS_NOT_DQATTACHED(mp, ip)); - - /* - * We only support truncating the entire attribute fork. - */ - if (fork == XFS_ATTR_FORK) { - new_size = 0LL; - } - first_unmap_block = XFS_B_TO_FSB(mp, (xfs_ufsize_t)new_size); - trace_xfs_itruncate_finish_start(ip, new_size); - - /* - * The first thing we do is set the size to new_size permanently - * on disk. This way we don't have to worry about anyone ever - * being able to look at the data being freed even in the face - * of a crash. What we're getting around here is the case where - * we free a block, it is allocated to another file, it is written - * to, and then we crash. If the new data gets written to the - * file but the log buffers containing the free and reallocation - * don't, then we'd end up with garbage in the blocks being freed. - * As long as we make the new_size permanent before actually - * freeing any blocks it doesn't matter if they get written to. - * - * The callers must signal into us whether or not the size - * setting here must be synchronous. There are a few cases - * where it doesn't have to be synchronous. Those cases - * occur if the file is unlinked and we know the unlink is - * permanent or if the blocks being truncated are guaranteed - * to be beyond the inode eof (regardless of the link count) - * and the eof value is permanent. Both of these cases occur - * only on wsync-mounted filesystems. In those cases, we're - * guaranteed that no user will ever see the data in the blocks - * that are being truncated so the truncate can run async. - * In the free beyond eof case, the file may wind up with - * more blocks allocated to it than it needs if we crash - * and that won't get fixed until the next time the file - * is re-opened and closed but that's ok as that shouldn't - * be too many blocks. - * - * However, we can't just make all wsync xactions run async - * because there's one call out of the create path that needs - * to run sync where it's truncating an existing file to size - * 0 whose size is > 0. - * - * It's probably possible to come up with a test in this - * routine that would correctly distinguish all the above - * cases from the values of the function parameters and the - * inode state but for sanity's sake, I've decided to let the - * layers above just tell us. It's simpler to correctly figure - * out in the layer above exactly under what conditions we - * can run async and I think it's easier for others read and - * follow the logic in case something has to be changed. - * cscope is your friend -- rcc. - * - * The attribute fork is much simpler. - * - * For the attribute fork we allow the caller to tell us whether - * the unlink of the inode that led to this call is yet permanent - * in the on disk log. If it is not and we will be freeing extents - * in this inode then we make the first transaction synchronous - * to make sure that the unlink is permanent by the time we free - * the blocks. - */ - if (fork == XFS_DATA_FORK) { - if (ip->i_d.di_nextents > 0) { - /* - * If we are not changing the file size then do - * not update the on-disk file size - we may be - * called from xfs_inactive_free_eofblocks(). If we - * update the on-disk file size and then the system - * crashes before the contents of the file are - * flushed to disk then the files may be full of - * holes (ie NULL files bug). - */ - if (ip->i_size != new_size) { - ip->i_d.di_size = new_size; - ip->i_size = new_size; - xfs_trans_log_inode(ntp, ip, XFS_ILOG_CORE); - } - } - } else if (sync) { - ASSERT(!(mp->m_flags & XFS_MOUNT_WSYNC)); - if (ip->i_d.di_anextents > 0) - xfs_trans_set_sync(ntp); - } - ASSERT(fork == XFS_DATA_FORK || - (fork == XFS_ATTR_FORK && - ((sync && !(mp->m_flags & XFS_MOUNT_WSYNC)) || - (sync == 0 && (mp->m_flags & XFS_MOUNT_WSYNC))))); + ASSERT(!XFS_NOT_DQATTACHED(mp, ip)); /* * Since it is possible for space to become allocated beyond @@ -1547,128 +1273,142 @@ xfs_itruncate_finish( * beyond the maximum file size (ie it is the same as last_block), * then there is nothing to do. */ + first_unmap_block = XFS_B_TO_FSB(mp, (xfs_ufsize_t)new_size); last_block = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_MAXIOFFSET(mp)); - ASSERT(first_unmap_block <= last_block); - done = 0; - if (last_block == first_unmap_block) { - done = 1; - } else { - unmap_len = last_block - first_unmap_block + 1; - } + if (first_unmap_block == last_block) + return 0; + + ASSERT(first_unmap_block < last_block); + unmap_len = last_block - first_unmap_block + 1; while (!done) { - /* - * Free up up to XFS_ITRUNC_MAX_EXTENTS. xfs_bunmapi() - * will tell us whether it freed the entire range or - * not. If this is a synchronous mount (wsync), - * then we can tell bunmapi to keep all the - * transactions asynchronous since the unlink - * transaction that made this inode inactive has - * already hit the disk. There's no danger of - * the freed blocks being reused, there being a - * crash, and the reused blocks suddenly reappearing - * in this file with garbage in them once recovery - * runs. - */ xfs_bmap_init(&free_list, &first_block); - error = xfs_bunmapi(ntp, ip, + error = xfs_bunmapi(tp, ip, first_unmap_block, unmap_len, - xfs_bmapi_aflag(fork), + xfs_bmapi_aflag(whichfork), XFS_ITRUNC_MAX_EXTENTS, &first_block, &free_list, &done); - if (error) { - /* - * If the bunmapi call encounters an error, - * return to the caller where the transaction - * can be properly aborted. We just need to - * make sure we're not holding any resources - * that we were not when we came in. - */ - xfs_bmap_cancel(&free_list); - return error; - } + if (error) + goto out_bmap_cancel; /* * Duplicate the transaction that has the permanent * reservation and commit the old transaction. */ - error = xfs_bmap_finish(tp, &free_list, &committed); - ntp = *tp; + error = xfs_bmap_finish(&tp, &free_list, &committed); if (committed) - xfs_trans_ijoin(ntp, ip); - - if (error) { - /* - * If the bmap finish call encounters an error, return - * to the caller where the transaction can be properly - * aborted. We just need to make sure we're not - * holding any resources that we were not when we came - * in. - * - * Aborting from this point might lose some blocks in - * the file system, but oh well. - */ - xfs_bmap_cancel(&free_list); - return error; - } + xfs_trans_ijoin(tp, ip); + if (error) + goto out_bmap_cancel; if (committed) { /* * Mark the inode dirty so it will be logged and * moved forward in the log as part of every commit. */ - xfs_trans_log_inode(ntp, ip, XFS_ILOG_CORE); + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); } - ntp = xfs_trans_dup(ntp); - error = xfs_trans_commit(*tp, 0); - *tp = ntp; + ntp = xfs_trans_dup(tp); + error = xfs_trans_commit(tp, 0); + tp = ntp; - xfs_trans_ijoin(ntp, ip); + xfs_trans_ijoin(tp, ip); if (error) - return error; + goto out; + /* - * transaction commit worked ok so we can drop the extra ticket + * Transaction commit worked ok so we can drop the extra ticket * reference that we gained in xfs_trans_dup() */ - xfs_log_ticket_put(ntp->t_ticket); - error = xfs_trans_reserve(ntp, 0, + xfs_log_ticket_put(tp->t_ticket); + error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, XFS_TRANS_PERM_LOG_RES, XFS_ITRUNCATE_LOG_COUNT); if (error) - return error; + goto out; } + +out: + *tpp = tp; + return error; +out_bmap_cancel: /* - * Only update the size in the case of the data fork, but - * always re-log the inode so that our permanent transaction - * can keep on rolling it forward in the log. + * If the bunmapi call encounters an error, return to the caller where + * the transaction can be properly aborted. We just need to make sure + * we're not holding any resources that we were not when we came in. */ - if (fork == XFS_DATA_FORK) { - xfs_isize_check(mp, ip, new_size); + xfs_bmap_cancel(&free_list); + goto out; +} + +int +xfs_itruncate_data( + struct xfs_trans **tpp, + struct xfs_inode *ip, + xfs_fsize_t new_size) +{ + int error; + + trace_xfs_itruncate_data_start(ip, new_size); + + /* + * The first thing we do is set the size to new_size permanently on + * disk. This way we don't have to worry about anyone ever being able + * to look at the data being freed even in the face of a crash. + * What we're getting around here is the case where we free a block, it + * is allocated to another file, it is written to, and then we crash. + * If the new data gets written to the file but the log buffers + * containing the free and reallocation don't, then we'd end up with + * garbage in the blocks being freed. As long as we make the new_size + * permanent before actually freeing any blocks it doesn't matter if + * they get written to. + */ + if (ip->i_d.di_nextents > 0) { /* - * If we are not changing the file size then do - * not update the on-disk file size - we may be - * called from xfs_inactive_free_eofblocks(). If we - * update the on-disk file size and then the system - * crashes before the contents of the file are - * flushed to disk then the files may be full of - * holes (ie NULL files bug). + * If we are not changing the file size then do not update + * the on-disk file size - we may be called from + * xfs_inactive_free_eofblocks(). If we update the on-disk + * file size and then the system crashes before the contents + * of the file are flushed to disk then the files may be + * full of holes (ie NULL files bug). */ if (ip->i_size != new_size) { ip->i_d.di_size = new_size; ip->i_size = new_size; + xfs_trans_log_inode(*tpp, ip, XFS_ILOG_CORE); } } - xfs_trans_log_inode(ntp, ip, XFS_ILOG_CORE); - ASSERT((new_size != 0) || - (fork == XFS_ATTR_FORK) || - (ip->i_delayed_blks == 0)); - ASSERT((new_size != 0) || - (fork == XFS_ATTR_FORK) || - (ip->i_d.di_nextents == 0)); - trace_xfs_itruncate_finish_end(ip, new_size); + + error = xfs_itruncate_extents(tpp, ip, XFS_DATA_FORK, new_size); + if (error) + return error; + + /* + * If we are not changing the file size then do not update the on-disk + * file size - we may be called from xfs_inactive_free_eofblocks(). + * If we update the on-disk file size and then the system crashes + * before the contents of the file are flushed to disk then the files + * may be full of holes (ie NULL files bug). + */ + xfs_isize_check(ip, new_size); + if (ip->i_size != new_size) { + ip->i_d.di_size = new_size; + ip->i_size = new_size; + } + + ASSERT(new_size != 0 || ip->i_delayed_blks == 0); + ASSERT(new_size != 0 || ip->i_d.di_nextents == 0); + + /* + * Always re-log the inode so that our permanent transaction can keep + * on rolling it forward in the log. + */ + xfs_trans_log_inode(*tpp, ip, XFS_ILOG_CORE); + + trace_xfs_itruncate_data_end(ip, new_size); return 0; } @@ -1694,7 +1434,6 @@ xfs_iunlink( ASSERT(ip->i_d.di_nlink == 0); ASSERT(ip->i_d.di_mode != 0); - ASSERT(ip->i_transp == tp); mp = tp->t_mountp; @@ -1717,7 +1456,7 @@ xfs_iunlink( ASSERT(agi->agi_unlinked[bucket_index]); ASSERT(be32_to_cpu(agi->agi_unlinked[bucket_index]) != agino); - if (be32_to_cpu(agi->agi_unlinked[bucket_index]) != NULLAGINO) { + if (agi->agi_unlinked[bucket_index] != cpu_to_be32(NULLAGINO)) { /* * There is already another inode in the bucket we need * to add ourselves to. Add us at the front of the list. @@ -1728,8 +1467,7 @@ xfs_iunlink( if (error) return error; - ASSERT(be32_to_cpu(dip->di_next_unlinked) == NULLAGINO); - /* both on-disk, don't endian flip twice */ + ASSERT(dip->di_next_unlinked == cpu_to_be32(NULLAGINO)); dip->di_next_unlinked = agi->agi_unlinked[bucket_index]; offset = ip->i_imap.im_boffset + offsetof(xfs_dinode_t, di_next_unlinked); @@ -1794,7 +1532,7 @@ xfs_iunlink_remove( agino = XFS_INO_TO_AGINO(mp, ip->i_ino); ASSERT(agino != 0); bucket_index = agino % XFS_AGI_UNLINKED_BUCKETS; - ASSERT(be32_to_cpu(agi->agi_unlinked[bucket_index]) != NULLAGINO); + ASSERT(agi->agi_unlinked[bucket_index] != cpu_to_be32(NULLAGINO)); ASSERT(agi->agi_unlinked[bucket_index]); if (be32_to_cpu(agi->agi_unlinked[bucket_index]) == agino) { @@ -1959,7 +1697,7 @@ xfs_ifree_cluster( * stale first, we will not attempt to lock them in the loop * below as the XFS_ISTALE flag will be set. */ - lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *); + lip = bp->b_fspriv; while (lip) { if (lip->li_type == XFS_LI_INODE) { iip = (xfs_inode_log_item_t *)lip; @@ -2086,7 +1824,6 @@ xfs_ifree( xfs_buf_t *ibp; ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - ASSERT(ip->i_transp == tp); ASSERT(ip->i_d.di_nlink == 0); ASSERT(ip->i_d.di_nextents == 0); ASSERT(ip->i_d.di_anextents == 0); @@ -2733,7 +2470,7 @@ cluster_corrupt_out: * mark the buffer as an error and call them. Otherwise * mark it as stale and brelse. */ - if (XFS_BUF_IODONE_FUNC(bp)) { + if (bp->b_iodone) { XFS_BUF_UNDONE(bp); XFS_BUF_STALE(bp); XFS_BUF_ERROR(bp,EIO); @@ -2920,7 +2657,7 @@ xfs_iflush_int( */ xfs_synchronize_times(ip); - if (XFS_TEST_ERROR(be16_to_cpu(dip->di_magic) != XFS_DINODE_MAGIC, + if (XFS_TEST_ERROR(dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC), mp, XFS_ERRTAG_IFLUSH_1, XFS_RANDOM_IFLUSH_1)) { xfs_alert_tag(mp, XFS_PTAG_IFLUSH, "%s: Bad inode %Lu magic number 0x%x, ptr 0x%p", @@ -3073,8 +2810,8 @@ xfs_iflush_int( */ xfs_buf_attach_iodone(bp, xfs_iflush_done, &iip->ili_item); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - ASSERT(XFS_BUF_IODONE_FUNC(bp) != NULL); + ASSERT(bp->b_fspriv != NULL); + ASSERT(bp->b_iodone != NULL); } else { /* * We're flushing an inode which is not in the AIL and has diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 964cfea77686..a97644ab945a 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -241,7 +241,6 @@ typedef struct xfs_inode { xfs_ifork_t i_df; /* data fork */ /* Transaction and locking information. */ - struct xfs_trans *i_transp; /* ptr to owning transaction*/ struct xfs_inode_log_item *i_itemp; /* logging information */ mrlock_t i_lock; /* inode lock */ mrlock_t i_iolock; /* inode IO lock */ @@ -458,16 +457,6 @@ static inline void xfs_ifunlock(xfs_inode_t *ip) extern struct lock_class_key xfs_iolock_reclaimable; /* - * Flags for xfs_itruncate_start(). - */ -#define XFS_ITRUNC_DEFINITE 0x1 -#define XFS_ITRUNC_MAYBE 0x2 - -#define XFS_ITRUNC_FLAGS \ - { XFS_ITRUNC_DEFINITE, "DEFINITE" }, \ - { XFS_ITRUNC_MAYBE, "MAYBE" } - -/* * For multiple groups support: if S_ISGID bit is set in the parent * directory, group of new file is set to that of the parent, and * new subdirectory gets S_ISGID bit from parent. @@ -501,9 +490,10 @@ uint xfs_ip2xflags(struct xfs_inode *); uint xfs_dic2xflags(struct xfs_dinode *); int xfs_ifree(struct xfs_trans *, xfs_inode_t *, struct xfs_bmap_free *); -int xfs_itruncate_start(xfs_inode_t *, uint, xfs_fsize_t); -int xfs_itruncate_finish(struct xfs_trans **, xfs_inode_t *, - xfs_fsize_t, int, int); +int xfs_itruncate_extents(struct xfs_trans **, struct xfs_inode *, + int, xfs_fsize_t); +int xfs_itruncate_data(struct xfs_trans **, struct xfs_inode *, + xfs_fsize_t); int xfs_iunlink(struct xfs_trans *, xfs_inode_t *); void xfs_iext_realloc(xfs_inode_t *, int, int); @@ -579,13 +569,6 @@ void xfs_iext_irec_update_extoffs(xfs_ifork_t *, int, int); #define xfs_ipincount(ip) ((unsigned int) atomic_read(&ip->i_pincount)) -#ifdef DEBUG -void xfs_isize_check(struct xfs_mount *, struct xfs_inode *, - xfs_fsize_t); -#else /* DEBUG */ -#define xfs_isize_check(mp, ip, isize) -#endif /* DEBUG */ - #if defined(DEBUG) void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *); #else diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index 09983a3344a5..588406dc6a35 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -632,13 +632,8 @@ xfs_inode_item_unlock( struct xfs_inode *ip = iip->ili_inode; unsigned short lock_flags; - ASSERT(iip->ili_inode->i_itemp != NULL); - ASSERT(xfs_isilocked(iip->ili_inode, XFS_ILOCK_EXCL)); - - /* - * Clear the transaction pointer in the inode. - */ - ip->i_transp = NULL; + ASSERT(ip->i_itemp != NULL); + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); /* * If the inode needed a separate buffer with which to log @@ -664,8 +659,8 @@ xfs_inode_item_unlock( lock_flags = iip->ili_lock_flags; iip->ili_lock_flags = 0; if (lock_flags) { - xfs_iunlock(iip->ili_inode, lock_flags); - IRELE(iip->ili_inode); + xfs_iunlock(ip, lock_flags); + IRELE(ip); } } @@ -681,15 +676,15 @@ xfs_inode_item_unlock( * where the cluster buffer may be unpinned before the inode is inserted into * the AIL during transaction committed processing. If the buffer is unpinned * before the inode item has been committed and inserted, then it is possible - * for the buffer to be written and IO completions before the inode is inserted + * for the buffer to be written and IO completes before the inode is inserted * into the AIL. In that case, we'd be inserting a clean, stale inode into the * AIL which will never get removed. It will, however, get reclaimed which * triggers an assert in xfs_inode_free() complaining about freein an inode * still in the AIL. * - * To avoid this, return a lower LSN than the one passed in so that the - * transaction committed code will not move the inode forward in the AIL but - * will still unpin it properly. + * To avoid this, just unpin the inode directly and return a LSN of -1 so the + * transaction committed code knows that it does not need to do any further + * processing on the item. */ STATIC xfs_lsn_t xfs_inode_item_committed( @@ -699,8 +694,10 @@ xfs_inode_item_committed( struct xfs_inode_log_item *iip = INODE_ITEM(lip); struct xfs_inode *ip = iip->ili_inode; - if (xfs_iflags_test(ip, XFS_ISTALE)) - return lsn - 1; + if (xfs_iflags_test(ip, XFS_ISTALE)) { + xfs_inode_item_unpin(lip, 0); + return -1; + } return lsn; } @@ -877,7 +874,7 @@ xfs_iflush_done( * Scan the buffer IO completions for other inodes being completed and * attach them to the current inode log item. */ - blip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *); + blip = bp->b_fspriv; prev = NULL; while (blip != NULL) { if (lip->li_cb != xfs_iflush_done) { @@ -889,7 +886,7 @@ xfs_iflush_done( /* remove from list */ next = blip->li_bio_list; if (!prev) { - XFS_BUF_SET_FSPRIVATE(bp, next); + bp->b_fspriv = next; } else { prev->li_bio_list = next; } diff --git a/fs/xfs/xfs_inum.h b/fs/xfs/xfs_inum.h index b8e4ee4e89a4..b253c0ea5bec 100644 --- a/fs/xfs/xfs_inum.h +++ b/fs/xfs/xfs_inum.h @@ -28,17 +28,6 @@ typedef __uint32_t xfs_agino_t; /* within allocation grp inode number */ -/* - * Useful inode bits for this kernel. - * Used in some places where having 64-bits in the 32-bit kernels - * costs too much. - */ -#if XFS_BIG_INUMS -typedef xfs_ino_t xfs_intino_t; -#else -typedef __uint32_t xfs_intino_t; -#endif - #define NULLFSINO ((xfs_ino_t)-1) #define NULLAGINO ((xfs_agino_t)-1) diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 41d5b8f2bf92..06ff8437ed8e 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -871,15 +871,9 @@ xlog_space_left( void xlog_iodone(xfs_buf_t *bp) { - xlog_in_core_t *iclog; - xlog_t *l; - int aborted; - - iclog = XFS_BUF_FSPRIVATE(bp, xlog_in_core_t *); - ASSERT(XFS_BUF_FSPRIVATE2(bp, unsigned long) == (unsigned long) 2); - XFS_BUF_SET_FSPRIVATE2(bp, (unsigned long)1); - aborted = 0; - l = iclog->ic_log; + xlog_in_core_t *iclog = bp->b_fspriv; + xlog_t *l = iclog->ic_log; + int aborted = 0; /* * Race to shutdown the filesystem if we see an error. @@ -1056,10 +1050,9 @@ xlog_alloc_log(xfs_mount_t *mp, bp = xfs_buf_get_empty(log->l_iclog_size, mp->m_logdev_targp); if (!bp) goto out_free_log; - XFS_BUF_SET_IODONE_FUNC(bp, xlog_iodone); - XFS_BUF_SET_FSPRIVATE2(bp, (unsigned long)1); + bp->b_iodone = xlog_iodone; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); + ASSERT(xfs_buf_islocked(bp)); log->l_xbuf = bp; spin_lock_init(&log->l_icloglock); @@ -1090,10 +1083,8 @@ xlog_alloc_log(xfs_mount_t *mp, log->l_iclog_size, 0); if (!bp) goto out_free_iclog; - if (!XFS_BUF_CPSEMA(bp)) - ASSERT(0); - XFS_BUF_SET_IODONE_FUNC(bp, xlog_iodone); - XFS_BUF_SET_FSPRIVATE2(bp, (unsigned long)1); + + bp->b_iodone = xlog_iodone; iclog->ic_bp = bp; iclog->ic_data = bp->b_addr; #ifdef DEBUG @@ -1118,7 +1109,7 @@ xlog_alloc_log(xfs_mount_t *mp, iclog->ic_datap = (char *)iclog->ic_data + log->l_iclog_hsize; ASSERT(XFS_BUF_ISBUSY(iclog->ic_bp)); - ASSERT(XFS_BUF_VALUSEMA(iclog->ic_bp) <= 0); + ASSERT(xfs_buf_islocked(iclog->ic_bp)); init_waitqueue_head(&iclog->ic_force_wait); init_waitqueue_head(&iclog->ic_write_wait); @@ -1254,9 +1245,8 @@ STATIC int xlog_bdstrat( struct xfs_buf *bp) { - struct xlog_in_core *iclog; + struct xlog_in_core *iclog = bp->b_fspriv; - iclog = XFS_BUF_FSPRIVATE(bp, xlog_in_core_t *); if (iclog->ic_state & XLOG_STATE_IOERROR) { XFS_BUF_ERROR(bp, EIO); XFS_BUF_STALE(bp); @@ -1269,7 +1259,6 @@ xlog_bdstrat( return 0; } - bp->b_flags |= _XBF_RUN_QUEUES; xfs_buf_iorequest(bp); return 0; } @@ -1351,8 +1340,6 @@ xlog_sync(xlog_t *log, } bp = iclog->ic_bp; - ASSERT(XFS_BUF_FSPRIVATE2(bp, unsigned long) == (unsigned long)1); - XFS_BUF_SET_FSPRIVATE2(bp, (unsigned long)2); XFS_BUF_SET_ADDR(bp, BLOCK_LSN(be64_to_cpu(iclog->ic_header.h_lsn))); XFS_STATS_ADD(xs_log_blocks, BTOBB(count)); @@ -1366,22 +1353,28 @@ xlog_sync(xlog_t *log, iclog->ic_bwritecnt = 1; } XFS_BUF_SET_COUNT(bp, count); - XFS_BUF_SET_FSPRIVATE(bp, iclog); /* save for later */ + bp->b_fspriv = iclog; XFS_BUF_ZEROFLAGS(bp); XFS_BUF_BUSY(bp); XFS_BUF_ASYNC(bp); - bp->b_flags |= XBF_LOG_BUFFER; + bp->b_flags |= XBF_SYNCIO; if (log->l_mp->m_flags & XFS_MOUNT_BARRIER) { + bp->b_flags |= XBF_FUA; + /* - * If we have an external log device, flush the data device - * before flushing the log to make sure all meta data - * written back from the AIL actually made it to disk - * before writing out the new log tail LSN in the log buffer. + * Flush the data device before flushing the log to make + * sure all meta data written back from the AIL actually made + * it to disk before stamping the new log tail LSN into the + * log buffer. For an external log we need to issue the + * flush explicitly, and unfortunately synchronously here; + * for an internal log we can simply use the block layer + * state machine for preflushes. */ if (log->l_mp->m_logdev_targp != log->l_mp->m_ddev_targp) xfs_blkdev_issue_flush(log->l_mp->m_ddev_targp); - XFS_BUF_ORDERED(bp); + else + bp->b_flags |= XBF_FLUSH; } ASSERT(XFS_BUF_ADDR(bp) <= log->l_logBBsize-1); @@ -1404,19 +1397,16 @@ xlog_sync(xlog_t *log, } if (split) { bp = iclog->ic_log->l_xbuf; - ASSERT(XFS_BUF_FSPRIVATE2(bp, unsigned long) == - (unsigned long)1); - XFS_BUF_SET_FSPRIVATE2(bp, (unsigned long)2); XFS_BUF_SET_ADDR(bp, 0); /* logical 0 */ XFS_BUF_SET_PTR(bp, (xfs_caddr_t)((__psint_t)&(iclog->ic_header)+ (__psint_t)count), split); - XFS_BUF_SET_FSPRIVATE(bp, iclog); + bp->b_fspriv = iclog; XFS_BUF_ZEROFLAGS(bp); XFS_BUF_BUSY(bp); XFS_BUF_ASYNC(bp); - bp->b_flags |= XBF_LOG_BUFFER; + bp->b_flags |= XBF_SYNCIO; if (log->l_mp->m_flags & XFS_MOUNT_BARRIER) - XFS_BUF_ORDERED(bp); + bp->b_flags |= XBF_FUA; dptr = XFS_BUF_PTR(bp); /* * Bump the cycle numbers at the start of each block @@ -3521,13 +3511,13 @@ xlog_verify_iclog(xlog_t *log, spin_unlock(&log->l_icloglock); /* check log magic numbers */ - if (be32_to_cpu(iclog->ic_header.h_magicno) != XLOG_HEADER_MAGIC_NUM) + if (iclog->ic_header.h_magicno != cpu_to_be32(XLOG_HEADER_MAGIC_NUM)) xfs_emerg(log->l_mp, "%s: invalid magic num", __func__); ptr = (xfs_caddr_t) &iclog->ic_header; for (ptr += BBSIZE; ptr < ((xfs_caddr_t)&iclog->ic_header) + count; ptr += BBSIZE) { - if (be32_to_cpu(*(__be32 *)ptr) == XLOG_HEADER_MAGIC_NUM) + if (*(__be32 *)ptr == cpu_to_be32(XLOG_HEADER_MAGIC_NUM)) xfs_emerg(log->l_mp, "%s: unexpected magic num", __func__); } diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 04142caedb2b..8fe4206de057 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -91,6 +91,8 @@ xlog_get_bp( xlog_t *log, int nbblks) { + struct xfs_buf *bp; + if (!xlog_buf_bbcount_valid(log, nbblks)) { xfs_warn(log->l_mp, "Invalid block length (0x%x) for buffer", nbblks); @@ -118,8 +120,10 @@ xlog_get_bp( nbblks += log->l_sectBBsize; nbblks = round_up(nbblks, log->l_sectBBsize); - return xfs_buf_get_uncached(log->l_mp->m_logdev_targp, - BBTOB(nbblks), 0); + bp = xfs_buf_get_uncached(log->l_mp->m_logdev_targp, BBTOB(nbblks), 0); + if (bp) + xfs_buf_unlock(bp); + return bp; } STATIC void @@ -264,7 +268,7 @@ xlog_bwrite( XFS_BUF_ZEROFLAGS(bp); XFS_BUF_BUSY(bp); XFS_BUF_HOLD(bp); - XFS_BUF_PSEMA(bp, PRIBIO); + xfs_buf_lock(bp); XFS_BUF_SET_COUNT(bp, BBTOB(nbblks)); XFS_BUF_SET_TARGET(bp, log->l_mp->m_logdev_targp); @@ -300,14 +304,14 @@ xlog_header_check_recover( xfs_mount_t *mp, xlog_rec_header_t *head) { - ASSERT(be32_to_cpu(head->h_magicno) == XLOG_HEADER_MAGIC_NUM); + ASSERT(head->h_magicno == cpu_to_be32(XLOG_HEADER_MAGIC_NUM)); /* * IRIX doesn't write the h_fmt field and leaves it zeroed * (XLOG_FMT_UNKNOWN). This stops us from trying to recover * a dirty log created in IRIX. */ - if (unlikely(be32_to_cpu(head->h_fmt) != XLOG_FMT)) { + if (unlikely(head->h_fmt != cpu_to_be32(XLOG_FMT))) { xfs_warn(mp, "dirty log written in incompatible format - can't recover"); xlog_header_check_dump(mp, head); @@ -333,7 +337,7 @@ xlog_header_check_mount( xfs_mount_t *mp, xlog_rec_header_t *head) { - ASSERT(be32_to_cpu(head->h_magicno) == XLOG_HEADER_MAGIC_NUM); + ASSERT(head->h_magicno == cpu_to_be32(XLOG_HEADER_MAGIC_NUM)); if (uuid_is_nil(&head->h_fs_uuid)) { /* @@ -367,7 +371,7 @@ xlog_recover_iodone( xfs_force_shutdown(bp->b_target->bt_mount, SHUTDOWN_META_IO_ERROR); } - XFS_BUF_CLR_IODONE_FUNC(bp); + bp->b_iodone = NULL; xfs_buf_ioend(bp, 0); } @@ -534,7 +538,7 @@ xlog_find_verify_log_record( head = (xlog_rec_header_t *)offset; - if (XLOG_HEADER_MAGIC_NUM == be32_to_cpu(head->h_magicno)) + if (head->h_magicno == cpu_to_be32(XLOG_HEADER_MAGIC_NUM)) break; if (!smallmem) @@ -916,7 +920,7 @@ xlog_find_tail( if (error) goto done; - if (XLOG_HEADER_MAGIC_NUM == be32_to_cpu(*(__be32 *)offset)) { + if (*(__be32 *)offset == cpu_to_be32(XLOG_HEADER_MAGIC_NUM)) { found = 1; break; } @@ -933,8 +937,8 @@ xlog_find_tail( if (error) goto done; - if (XLOG_HEADER_MAGIC_NUM == - be32_to_cpu(*(__be32 *)offset)) { + if (*(__be32 *)offset == + cpu_to_be32(XLOG_HEADER_MAGIC_NUM)) { found = 2; break; } @@ -1947,7 +1951,7 @@ xfs_qm_dqcheck( * This is all fine; things are still consistent, and we haven't lost * any quota information. Just don't complain about bad dquot blks. */ - if (be16_to_cpu(ddq->d_magic) != XFS_DQUOT_MAGIC) { + if (ddq->d_magic != cpu_to_be16(XFS_DQUOT_MAGIC)) { if (flags & XFS_QMOPT_DOWARN) xfs_alert(mp, "%s : XFS dquot ID 0x%x, magic 0x%x != 0x%x", @@ -2174,7 +2178,7 @@ xlog_recover_buffer_pass2( error = xfs_bwrite(mp, bp); } else { ASSERT(bp->b_target->bt_mount == mp); - XFS_BUF_SET_IODONE_FUNC(bp, xlog_recover_iodone); + bp->b_iodone = xlog_recover_iodone; xfs_bdwrite(mp, bp); } @@ -2238,7 +2242,7 @@ xlog_recover_inode_pass2( * Make sure the place we're flushing out to really looks * like an inode! */ - if (unlikely(be16_to_cpu(dip->di_magic) != XFS_DINODE_MAGIC)) { + if (unlikely(dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC))) { xfs_buf_relse(bp); xfs_alert(mp, "%s: Bad inode magic number, dip = 0x%p, dino bp = 0x%p, ino = %Ld", @@ -2434,7 +2438,7 @@ xlog_recover_inode_pass2( write_inode_buffer: ASSERT(bp->b_target->bt_mount == mp); - XFS_BUF_SET_IODONE_FUNC(bp, xlog_recover_iodone); + bp->b_iodone = xlog_recover_iodone; xfs_bdwrite(mp, bp); error: if (need_free) @@ -2556,7 +2560,7 @@ xlog_recover_dquot_pass2( ASSERT(dq_f->qlf_size == 2); ASSERT(bp->b_target->bt_mount == mp); - XFS_BUF_SET_IODONE_FUNC(bp, xlog_recover_iodone); + bp->b_iodone = xlog_recover_iodone; xfs_bdwrite(mp, bp); return (0); @@ -3295,7 +3299,7 @@ xlog_valid_rec_header( { int hlen; - if (unlikely(be32_to_cpu(rhead->h_magicno) != XLOG_HEADER_MAGIC_NUM)) { + if (unlikely(rhead->h_magicno != cpu_to_be32(XLOG_HEADER_MAGIC_NUM))) { XFS_ERROR_REPORT("xlog_valid_rec_header(1)", XFS_ERRLEVEL_LOW, log->l_mp); return XFS_ERROR(EFSCORRUPTED); diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index b49b82363d20..7f25245da289 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -348,7 +348,7 @@ xfs_mount_validate_sb( } /* - * More sanity checking. These were stolen directly from + * More sanity checking. Most of these were stolen directly from * xfs_repair. */ if (unlikely( @@ -371,23 +371,13 @@ xfs_mount_validate_sb( (sbp->sb_blocklog - sbp->sb_inodelog != sbp->sb_inopblog) || (sbp->sb_rextsize * sbp->sb_blocksize > XFS_MAX_RTEXTSIZE) || (sbp->sb_rextsize * sbp->sb_blocksize < XFS_MIN_RTEXTSIZE) || - (sbp->sb_imax_pct > 100 /* zero sb_imax_pct is valid */))) { + (sbp->sb_imax_pct > 100 /* zero sb_imax_pct is valid */) || + sbp->sb_dblocks == 0 || + sbp->sb_dblocks > XFS_MAX_DBLOCKS(sbp) || + sbp->sb_dblocks < XFS_MIN_DBLOCKS(sbp))) { if (loud) - xfs_warn(mp, "SB sanity check 1 failed"); - return XFS_ERROR(EFSCORRUPTED); - } - - /* - * Sanity check AG count, size fields against data size field - */ - if (unlikely( - sbp->sb_dblocks == 0 || - sbp->sb_dblocks > - (xfs_drfsbno_t)sbp->sb_agcount * sbp->sb_agblocks || - sbp->sb_dblocks < (xfs_drfsbno_t)(sbp->sb_agcount - 1) * - sbp->sb_agblocks + XFS_MIN_AG_BLOCKS)) { - if (loud) - xfs_warn(mp, "SB sanity check 2 failed"); + XFS_CORRUPTION_ERROR("SB sanity check failed", + XFS_ERRLEVEL_LOW, mp, sbp); return XFS_ERROR(EFSCORRUPTED); } @@ -864,7 +854,8 @@ xfs_update_alignment(xfs_mount_t *mp) if ((BBTOB(mp->m_dalign) & mp->m_blockmask) || (BBTOB(mp->m_swidth) & mp->m_blockmask)) { if (mp->m_flags & XFS_MOUNT_RETERR) { - xfs_warn(mp, "alignment check 1 failed"); + xfs_warn(mp, "alignment check failed: " + "(sunit/swidth vs. blocksize)"); return XFS_ERROR(EINVAL); } mp->m_dalign = mp->m_swidth = 0; @@ -875,6 +866,8 @@ xfs_update_alignment(xfs_mount_t *mp) mp->m_dalign = XFS_BB_TO_FSBT(mp, mp->m_dalign); if (mp->m_dalign && (sbp->sb_agblocks % mp->m_dalign)) { if (mp->m_flags & XFS_MOUNT_RETERR) { + xfs_warn(mp, "alignment check failed: " + "(sunit/swidth vs. ag size)"); return XFS_ERROR(EINVAL); } xfs_warn(mp, @@ -889,8 +882,8 @@ xfs_update_alignment(xfs_mount_t *mp) mp->m_swidth = XFS_BB_TO_FSBT(mp, mp->m_swidth); } else { if (mp->m_flags & XFS_MOUNT_RETERR) { - xfs_warn(mp, - "stripe alignment turned off: sunit(%d) less than bsize(%d)", + xfs_warn(mp, "alignment check failed: " + "sunit(%d) less than bsize(%d)", mp->m_dalign, mp->m_blockmask +1); return XFS_ERROR(EINVAL); @@ -1096,10 +1089,6 @@ xfs_mount_reset_sbqflags( if (mp->m_flags & XFS_MOUNT_RDONLY) return 0; -#ifdef QUOTADEBUG - xfs_notice(mp, "Writing superblock quota changes"); -#endif - tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE); error = xfs_trans_reserve(tp, 0, mp->m_sb.sb_sectsize + 128, 0, 0, XFS_DEFAULT_LOG_COUNT); @@ -1532,7 +1521,7 @@ xfs_unmountfs( xfs_warn(mp, "Unable to free reserved block pool. " "Freespace may not be correct on next mount."); - error = xfs_log_sbcount(mp, 1); + error = xfs_log_sbcount(mp); if (error) xfs_warn(mp, "Unable to update superblock counters. " "Freespace may not be correct on next mount."); @@ -1568,18 +1557,14 @@ xfs_fs_writable(xfs_mount_t *mp) /* * xfs_log_sbcount * - * Called either periodically to keep the on disk superblock values - * roughly up to date or from unmount to make sure the values are - * correct on a clean unmount. + * Sync the superblock counters to disk. * * Note this code can be called during the process of freezing, so - * we may need to use the transaction allocator which does not not + * we may need to use the transaction allocator which does not * block when the transaction subsystem is in its frozen state. */ int -xfs_log_sbcount( - xfs_mount_t *mp, - uint sync) +xfs_log_sbcount(xfs_mount_t *mp) { xfs_trans_t *tp; int error; @@ -1605,8 +1590,7 @@ xfs_log_sbcount( } xfs_mod_sb(tp, XFS_SB_IFREE | XFS_SB_ICOUNT | XFS_SB_FDBLOCKS); - if (sync) - xfs_trans_set_sync(tp); + xfs_trans_set_sync(tp); error = xfs_trans_commit(tp, 0); return error; } @@ -1941,22 +1925,19 @@ unwind: * the superblock buffer if it can be locked without sleeping. * If it can't then we'll return NULL. */ -xfs_buf_t * +struct xfs_buf * xfs_getsb( - xfs_mount_t *mp, - int flags) + struct xfs_mount *mp, + int flags) { - xfs_buf_t *bp; + struct xfs_buf *bp = mp->m_sb_bp; - ASSERT(mp->m_sb_bp != NULL); - bp = mp->m_sb_bp; - if (flags & XBF_TRYLOCK) { - if (!XFS_BUF_CPSEMA(bp)) { + if (!xfs_buf_trylock(bp)) { + if (flags & XBF_TRYLOCK) return NULL; - } - } else { - XFS_BUF_PSEMA(bp, PRIBIO); + xfs_buf_lock(bp); } + XFS_BUF_HOLD(bp); ASSERT(XFS_BUF_ISDONE(bp)); return bp; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 3d68bb267c5f..bb24dac42a25 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -371,7 +371,7 @@ typedef struct xfs_mod_sb { int64_t msb_delta; /* Change to make to specified field */ } xfs_mod_sb_t; -extern int xfs_log_sbcount(xfs_mount_t *, uint); +extern int xfs_log_sbcount(xfs_mount_t *); extern __uint64_t xfs_default_resblks(xfs_mount_t *mp); extern int xfs_mountfs(xfs_mount_t *mp); diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 7c7bc2b786bd..efc147f0e9b6 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -1361,7 +1361,7 @@ xfs_trans_item_committed( lip->li_flags |= XFS_LI_ABORTED; item_lsn = IOP_COMMITTED(lip, commit_lsn); - /* If the committed routine returns -1, item has been freed. */ + /* item_lsn of -1 means the item needs no further processing */ if (XFS_LSN_CMP(item_lsn, (xfs_lsn_t)-1) == 0) return; @@ -1426,6 +1426,7 @@ xfs_trans_committed( static inline void xfs_log_item_batch_insert( struct xfs_ail *ailp, + struct xfs_ail_cursor *cur, struct xfs_log_item **log_items, int nr_items, xfs_lsn_t commit_lsn) @@ -1434,7 +1435,7 @@ xfs_log_item_batch_insert( spin_lock(&ailp->xa_lock); /* xfs_trans_ail_update_bulk drops ailp->xa_lock */ - xfs_trans_ail_update_bulk(ailp, log_items, nr_items, commit_lsn); + xfs_trans_ail_update_bulk(ailp, cur, log_items, nr_items, commit_lsn); for (i = 0; i < nr_items; i++) IOP_UNPIN(log_items[i], 0); @@ -1452,6 +1453,13 @@ xfs_log_item_batch_insert( * as an iclog write error even though we haven't started any IO yet. Hence in * this case all we need to do is IOP_COMMITTED processing, followed by an * IOP_UNPIN(aborted) call. + * + * The AIL cursor is used to optimise the insert process. If commit_lsn is not + * at the end of the AIL, the insert cursor avoids the need to walk + * the AIL to find the insertion point on every xfs_log_item_batch_insert() + * call. This saves a lot of needless list walking and is a net win, even + * though it slightly increases that amount of AIL lock traffic to set it up + * and tear it down. */ void xfs_trans_committed_bulk( @@ -1463,8 +1471,13 @@ xfs_trans_committed_bulk( #define LOG_ITEM_BATCH_SIZE 32 struct xfs_log_item *log_items[LOG_ITEM_BATCH_SIZE]; struct xfs_log_vec *lv; + struct xfs_ail_cursor cur; int i = 0; + spin_lock(&ailp->xa_lock); + xfs_trans_ail_cursor_last(ailp, &cur, commit_lsn); + spin_unlock(&ailp->xa_lock); + /* unpin all the log items */ for (lv = log_vector; lv; lv = lv->lv_next ) { struct xfs_log_item *lip = lv->lv_item; @@ -1474,7 +1487,7 @@ xfs_trans_committed_bulk( lip->li_flags |= XFS_LI_ABORTED; item_lsn = IOP_COMMITTED(lip, commit_lsn); - /* item_lsn of -1 means the item was freed */ + /* item_lsn of -1 means the item needs no further processing */ if (XFS_LSN_CMP(item_lsn, (xfs_lsn_t)-1) == 0) continue; @@ -1493,7 +1506,9 @@ xfs_trans_committed_bulk( /* * Not a bulk update option due to unusual item_lsn. * Push into AIL immediately, rechecking the lsn once - * we have the ail lock. Then unpin the item. + * we have the ail lock. Then unpin the item. This does + * not affect the AIL cursor the bulk insert path is + * using. */ spin_lock(&ailp->xa_lock); if (XFS_LSN_CMP(item_lsn, lip->li_lsn) > 0) @@ -1507,7 +1522,7 @@ xfs_trans_committed_bulk( /* Item is a candidate for bulk AIL insert. */ log_items[i++] = lv->lv_item; if (i >= LOG_ITEM_BATCH_SIZE) { - xfs_log_item_batch_insert(ailp, log_items, + xfs_log_item_batch_insert(ailp, &cur, log_items, LOG_ITEM_BATCH_SIZE, commit_lsn); i = 0; } @@ -1515,7 +1530,11 @@ xfs_trans_committed_bulk( /* make sure we insert the remainder! */ if (i) - xfs_log_item_batch_insert(ailp, log_items, i, commit_lsn); + xfs_log_item_batch_insert(ailp, &cur, log_items, i, commit_lsn); + + spin_lock(&ailp->xa_lock); + xfs_trans_ail_cursor_done(ailp, &cur); + spin_unlock(&ailp->xa_lock); } /* diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c index 5fc2380092c8..43233e92f0f6 100644 --- a/fs/xfs/xfs_trans_ail.c +++ b/fs/xfs/xfs_trans_ail.c @@ -163,17 +163,11 @@ xfs_ail_max_lsn( } /* - * AIL traversal cursor initialisation. - * - * The cursor keeps track of where our current traversal is up - * to by tracking the next Æ£tem in the list for us. However, for - * this to be safe, removing an object from the AIL needs to invalidate - * any cursor that points to it. hence the traversal cursor needs to - * be linked to the struct xfs_ail so that deletion can search all the - * active cursors for invalidation. - * - * We don't link the push cursor because it is embedded in the struct - * xfs_ail and hence easily findable. + * The cursor keeps track of where our current traversal is up to by tracking + * the next item in the list for us. However, for this to be safe, removing an + * object from the AIL needs to invalidate any cursor that points to it. hence + * the traversal cursor needs to be linked to the struct xfs_ail so that + * deletion can search all the active cursors for invalidation. */ STATIC void xfs_trans_ail_cursor_init( @@ -181,31 +175,12 @@ xfs_trans_ail_cursor_init( struct xfs_ail_cursor *cur) { cur->item = NULL; - if (cur == &ailp->xa_cursors) - return; - - cur->next = ailp->xa_cursors.next; - ailp->xa_cursors.next = cur; -} - -/* - * Set the cursor to the next item, because when we look - * up the cursor the current item may have been freed. - */ -STATIC void -xfs_trans_ail_cursor_set( - struct xfs_ail *ailp, - struct xfs_ail_cursor *cur, - struct xfs_log_item *lip) -{ - if (lip) - cur->item = xfs_ail_next(ailp, lip); + list_add_tail(&cur->list, &ailp->xa_cursors); } /* - * Get the next item in the traversal and advance the cursor. - * If the cursor was invalidated (inidicated by a lip of 1), - * restart the traversal. + * Get the next item in the traversal and advance the cursor. If the cursor + * was invalidated (indicated by a lip of 1), restart the traversal. */ struct xfs_log_item * xfs_trans_ail_cursor_next( @@ -216,45 +191,31 @@ xfs_trans_ail_cursor_next( if ((__psint_t)lip & 1) lip = xfs_ail_min(ailp); - xfs_trans_ail_cursor_set(ailp, cur, lip); + if (lip) + cur->item = xfs_ail_next(ailp, lip); return lip; } /* - * Now that the traversal is complete, we need to remove the cursor - * from the list of traversing cursors. Avoid removing the embedded - * push cursor, but use the fact it is always present to make the - * list deletion simple. + * When the traversal is complete, we need to remove the cursor from the list + * of traversing cursors. */ void xfs_trans_ail_cursor_done( struct xfs_ail *ailp, - struct xfs_ail_cursor *done) + struct xfs_ail_cursor *cur) { - struct xfs_ail_cursor *prev = NULL; - struct xfs_ail_cursor *cur; - - done->item = NULL; - if (done == &ailp->xa_cursors) - return; - prev = &ailp->xa_cursors; - for (cur = prev->next; cur; prev = cur, cur = prev->next) { - if (cur == done) { - prev->next = cur->next; - break; - } - } - ASSERT(cur); + cur->item = NULL; + list_del_init(&cur->list); } /* - * Invalidate any cursor that is pointing to this item. This is - * called when an item is removed from the AIL. Any cursor pointing - * to this object is now invalid and the traversal needs to be - * terminated so it doesn't reference a freed object. We set the - * cursor item to a value of 1 so we can distinguish between an - * invalidation and the end of the list when getting the next item - * from the cursor. + * Invalidate any cursor that is pointing to this item. This is called when an + * item is removed from the AIL. Any cursor pointing to this object is now + * invalid and the traversal needs to be terminated so it doesn't reference a + * freed object. We set the low bit of the cursor item pointer so we can + * distinguish between an invalidation and the end of the list when getting the + * next item from the cursor. */ STATIC void xfs_trans_ail_cursor_clear( @@ -263,8 +224,7 @@ xfs_trans_ail_cursor_clear( { struct xfs_ail_cursor *cur; - /* need to search all cursors */ - for (cur = &ailp->xa_cursors; cur; cur = cur->next) { + list_for_each_entry(cur, &ailp->xa_cursors, list) { if (cur->item == lip) cur->item = (struct xfs_log_item *) ((__psint_t)cur->item | 1); @@ -272,9 +232,10 @@ xfs_trans_ail_cursor_clear( } /* - * Return the item in the AIL with the current lsn. - * Return the current tree generation number for use - * in calls to xfs_trans_next_ail(). + * Find the first item in the AIL with the given @lsn by searching in ascending + * LSN order and initialise the cursor to point to the next item for a + * ascending traversal. Pass a @lsn of zero to initialise the cursor to the + * first item in the AIL. Returns NULL if the list is empty. */ xfs_log_item_t * xfs_trans_ail_cursor_first( @@ -285,46 +246,112 @@ xfs_trans_ail_cursor_first( xfs_log_item_t *lip; xfs_trans_ail_cursor_init(ailp, cur); - lip = xfs_ail_min(ailp); - if (lsn == 0) + + if (lsn == 0) { + lip = xfs_ail_min(ailp); goto out; + } list_for_each_entry(lip, &ailp->xa_ail, li_ail) { if (XFS_LSN_CMP(lip->li_lsn, lsn) >= 0) goto out; } - lip = NULL; + return NULL; + out: - xfs_trans_ail_cursor_set(ailp, cur, lip); + if (lip) + cur->item = xfs_ail_next(ailp, lip); return lip; } +static struct xfs_log_item * +__xfs_trans_ail_cursor_last( + struct xfs_ail *ailp, + xfs_lsn_t lsn) +{ + xfs_log_item_t *lip; + + list_for_each_entry_reverse(lip, &ailp->xa_ail, li_ail) { + if (XFS_LSN_CMP(lip->li_lsn, lsn) <= 0) + return lip; + } + return NULL; +} + +/* + * Find the last item in the AIL with the given @lsn by searching in descending + * LSN order and initialise the cursor to point to that item. If there is no + * item with the value of @lsn, then it sets the cursor to the last item with an + * LSN lower than @lsn. Returns NULL if the list is empty. + */ +struct xfs_log_item * +xfs_trans_ail_cursor_last( + struct xfs_ail *ailp, + struct xfs_ail_cursor *cur, + xfs_lsn_t lsn) +{ + xfs_trans_ail_cursor_init(ailp, cur); + cur->item = __xfs_trans_ail_cursor_last(ailp, lsn); + return cur->item; +} + /* - * splice the log item list into the AIL at the given LSN. + * Splice the log item list into the AIL at the given LSN. We splice to the + * tail of the given LSN to maintain insert order for push traversals. The + * cursor is optional, allowing repeated updates to the same LSN to avoid + * repeated traversals. */ static void xfs_ail_splice( - struct xfs_ail *ailp, - struct list_head *list, - xfs_lsn_t lsn) + struct xfs_ail *ailp, + struct xfs_ail_cursor *cur, + struct list_head *list, + xfs_lsn_t lsn) { - xfs_log_item_t *next_lip; + struct xfs_log_item *lip = cur ? cur->item : NULL; + struct xfs_log_item *next_lip; - /* If the list is empty, just insert the item. */ - if (list_empty(&ailp->xa_ail)) { - list_splice(list, &ailp->xa_ail); - return; + /* + * Get a new cursor if we don't have a placeholder or the existing one + * has been invalidated. + */ + if (!lip || (__psint_t)lip & 1) { + lip = __xfs_trans_ail_cursor_last(ailp, lsn); + + if (!lip) { + /* The list is empty, so just splice and return. */ + if (cur) + cur->item = NULL; + list_splice(list, &ailp->xa_ail); + return; + } } - list_for_each_entry_reverse(next_lip, &ailp->xa_ail, li_ail) { - if (XFS_LSN_CMP(next_lip->li_lsn, lsn) <= 0) - break; + /* + * Our cursor points to the item we want to insert _after_, so we have + * to update the cursor to point to the end of the list we are splicing + * in so that it points to the correct location for the next splice. + * i.e. before the splice + * + * lsn -> lsn -> lsn + x -> lsn + x ... + * ^ + * | cursor points here + * + * After the splice we have: + * + * lsn -> lsn -> lsn -> lsn -> .... -> lsn -> lsn + x -> lsn + x ... + * ^ ^ + * | cursor points here | needs to move here + * + * So we set the cursor to the last item in the list to be spliced + * before we execute the splice, resulting in the cursor pointing to + * the correct item after the splice occurs. + */ + if (cur) { + next_lip = list_entry(list->prev, struct xfs_log_item, li_ail); + cur->item = next_lip; } - - ASSERT(&next_lip->li_ail == &ailp->xa_ail || - XFS_LSN_CMP(next_lip->li_lsn, lsn) <= 0); - - list_splice_init(list, &next_lip->li_ail); + list_splice(list, &lip->li_ail); } /* @@ -351,7 +378,7 @@ xfs_ail_worker( struct xfs_ail *ailp = container_of(to_delayed_work(work), struct xfs_ail, xa_work); xfs_mount_t *mp = ailp->xa_mount; - struct xfs_ail_cursor *cur = &ailp->xa_cursors; + struct xfs_ail_cursor cur; xfs_log_item_t *lip; xfs_lsn_t lsn; xfs_lsn_t target; @@ -363,13 +390,12 @@ xfs_ail_worker( spin_lock(&ailp->xa_lock); target = ailp->xa_target; - xfs_trans_ail_cursor_init(ailp, cur); - lip = xfs_trans_ail_cursor_first(ailp, cur, ailp->xa_last_pushed_lsn); + lip = xfs_trans_ail_cursor_first(ailp, &cur, ailp->xa_last_pushed_lsn); if (!lip || XFS_FORCED_SHUTDOWN(mp)) { /* * AIL is empty or our push has reached the end. */ - xfs_trans_ail_cursor_done(ailp, cur); + xfs_trans_ail_cursor_done(ailp, &cur); spin_unlock(&ailp->xa_lock); goto out_done; } @@ -457,12 +483,12 @@ xfs_ail_worker( if (stuck > 100) break; - lip = xfs_trans_ail_cursor_next(ailp, cur); + lip = xfs_trans_ail_cursor_next(ailp, &cur); if (lip == NULL) break; lsn = lip->li_lsn; } - xfs_trans_ail_cursor_done(ailp, cur); + xfs_trans_ail_cursor_done(ailp, &cur); spin_unlock(&ailp->xa_lock); if (flush_log) { @@ -645,6 +671,7 @@ xfs_trans_unlocked_item( void xfs_trans_ail_update_bulk( struct xfs_ail *ailp, + struct xfs_ail_cursor *cur, struct xfs_log_item **log_items, int nr_items, xfs_lsn_t lsn) __releases(ailp->xa_lock) @@ -674,7 +701,7 @@ xfs_trans_ail_update_bulk( list_add(&lip->li_ail, &tmp); } - xfs_ail_splice(ailp, &tmp, lsn); + xfs_ail_splice(ailp, cur, &tmp, lsn); if (!mlip_changed) { spin_unlock(&ailp->xa_lock); @@ -793,6 +820,7 @@ xfs_trans_ail_init( ailp->xa_mount = mp; INIT_LIST_HEAD(&ailp->xa_ail); + INIT_LIST_HEAD(&ailp->xa_cursors); spin_lock_init(&ailp->xa_lock); INIT_DELAYED_WORK(&ailp->xa_work, xfs_ail_worker); mp->m_ail = ailp; diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c index 03b3b7f85a3b..15584fc3ed7d 100644 --- a/fs/xfs/xfs_trans_buf.c +++ b/fs/xfs/xfs_trans_buf.c @@ -81,7 +81,7 @@ _xfs_trans_bjoin( struct xfs_buf_log_item *bip; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, void *) == NULL); + ASSERT(bp->b_transp == NULL); /* * The xfs_buf_log_item pointer is stored in b_fsprivate. If @@ -89,7 +89,7 @@ _xfs_trans_bjoin( * The checks to see if one is there are in xfs_buf_item_init(). */ xfs_buf_item_init(bp, tp->t_mountp); - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + bip = bp->b_fspriv; ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED)); @@ -110,7 +110,7 @@ _xfs_trans_bjoin( * Initialize b_fsprivate2 so we can find it with incore_match() * in xfs_trans_get_buf() and friends above. */ - XFS_BUF_SET_FSPRIVATE2(bp, tp); + bp->b_transp = tp; } @@ -160,7 +160,7 @@ xfs_trans_get_buf(xfs_trans_t *tp, */ bp = xfs_trans_buf_item_match(tp, target_dev, blkno, len); if (bp != NULL) { - ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); + ASSERT(xfs_buf_islocked(bp)); if (XFS_FORCED_SHUTDOWN(tp->t_mountp)) XFS_BUF_SUPER_STALE(bp); @@ -172,8 +172,8 @@ xfs_trans_get_buf(xfs_trans_t *tp, else if (XFS_BUF_ISSTALE(bp)) ASSERT(!XFS_BUF_ISDELAYWRITE(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + bip = bp->b_fspriv; ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_recur++; @@ -232,8 +232,8 @@ xfs_trans_getsb(xfs_trans_t *tp, * recursion count and return the buffer to the caller. */ bp = mp->m_sb_bp; - if (XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp) { - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*); + if (bp->b_transp == tp) { + bip = bp->b_fspriv; ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_recur++; @@ -327,9 +327,9 @@ xfs_trans_read_buf( */ bp = xfs_trans_buf_item_match(tp, target, blkno, len); if (bp != NULL) { - ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); + ASSERT(xfs_buf_islocked(bp)); + ASSERT(bp->b_transp == tp); + ASSERT(bp->b_fspriv != NULL); ASSERT((XFS_BUF_ISERROR(bp)) == 0); if (!(XFS_BUF_ISDONE(bp))) { trace_xfs_trans_read_buf_io(bp, _RET_IP_); @@ -363,7 +363,7 @@ xfs_trans_read_buf( } - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*); + bip = bp->b_fspriv; bip->bli_recur++; ASSERT(atomic_read(&bip->bli_refcount) > 0); @@ -460,32 +460,30 @@ xfs_trans_brelse(xfs_trans_t *tp, xfs_buf_t *bp) { xfs_buf_log_item_t *bip; - xfs_log_item_t *lip; /* * Default to a normal brelse() call if the tp is NULL. */ if (tp == NULL) { - ASSERT(XFS_BUF_FSPRIVATE2(bp, void *) == NULL); + struct xfs_log_item *lip = bp->b_fspriv; + + ASSERT(bp->b_transp == NULL); + /* * If there's a buf log item attached to the buffer, * then let the AIL know that the buffer is being * unlocked. */ - if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) { - lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *); - if (lip->li_type == XFS_LI_BUF) { - bip = XFS_BUF_FSPRIVATE(bp,xfs_buf_log_item_t*); - xfs_trans_unlocked_item(bip->bli_item.li_ailp, - lip); - } + if (lip != NULL && lip->li_type == XFS_LI_BUF) { + bip = bp->b_fspriv; + xfs_trans_unlocked_item(bip->bli_item.li_ailp, lip); } xfs_buf_relse(bp); return; } - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + bip = bp->b_fspriv; ASSERT(bip->bli_item.li_type == XFS_LI_BUF); ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); @@ -556,7 +554,7 @@ xfs_trans_brelse(xfs_trans_t *tp, xfs_buf_item_relse(bp); bip = NULL; } - XFS_BUF_SET_FSPRIVATE2(bp, NULL); + bp->b_transp = NULL; /* * If we've still got a buf log item on the buffer, then @@ -581,16 +579,15 @@ void xfs_trans_bhold(xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); ASSERT(atomic_read(&bip->bli_refcount) > 0); + bip->bli_flags |= XFS_BLI_HOLD; trace_xfs_trans_bhold(bip); } @@ -603,19 +600,17 @@ void xfs_trans_bhold_release(xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); ASSERT(atomic_read(&bip->bli_refcount) > 0); ASSERT(bip->bli_flags & XFS_BLI_HOLD); - bip->bli_flags &= ~XFS_BLI_HOLD; + bip->bli_flags &= ~XFS_BLI_HOLD; trace_xfs_trans_bhold_release(bip); } @@ -634,14 +629,14 @@ xfs_trans_log_buf(xfs_trans_t *tp, uint first, uint last) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT((first <= last) && (last < XFS_BUF_COUNT(bp))); - ASSERT((XFS_BUF_IODONE_FUNC(bp) == NULL) || - (XFS_BUF_IODONE_FUNC(bp) == xfs_buf_iodone_callbacks)); + ASSERT(bp->b_iodone == NULL || + bp->b_iodone == xfs_buf_iodone_callbacks); /* * Mark the buffer as needing to be written out eventually, @@ -656,9 +651,8 @@ xfs_trans_log_buf(xfs_trans_t *tp, XFS_BUF_DELAYWRITE(bp); XFS_BUF_DONE(bp); - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); ASSERT(atomic_read(&bip->bli_refcount) > 0); - XFS_BUF_SET_IODONE_FUNC(bp, xfs_buf_iodone_callbacks); + bp->b_iodone = xfs_buf_iodone_callbacks; bip->bli_item.li_cb = xfs_buf_iodone; trace_xfs_trans_log_buf(bip); @@ -706,13 +700,11 @@ xfs_trans_binval( xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); trace_xfs_trans_binval(bip); @@ -780,13 +772,11 @@ xfs_trans_inode_buf( xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_flags |= XFS_BLI_INODE_BUF; @@ -806,13 +796,11 @@ xfs_trans_stale_inode_buf( xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_flags |= XFS_BLI_STALE_INODE; @@ -833,13 +821,11 @@ xfs_trans_inode_alloc_buf( xfs_trans_t *tp, xfs_buf_t *bp) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_flags |= XFS_BLI_INODE_ALLOC_BUF; @@ -863,16 +849,14 @@ xfs_trans_dquot_buf( xfs_buf_t *bp, uint type) { - xfs_buf_log_item_t *bip; + xfs_buf_log_item_t *bip = bp->b_fspriv; ASSERT(XFS_BUF_ISBUSY(bp)); - ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp); - ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL); + ASSERT(bp->b_transp == tp); + ASSERT(bip != NULL); ASSERT(type == XFS_BLF_UDQUOT_BUF || type == XFS_BLF_PDQUOT_BUF || type == XFS_BLF_GDQUOT_BUF); - - bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_format.blf_flags |= type; diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c index 048b0c689d3e..c8dea2fd7e68 100644 --- a/fs/xfs/xfs_trans_inode.c +++ b/fs/xfs/xfs_trans_inode.c @@ -55,7 +55,6 @@ xfs_trans_ijoin( { xfs_inode_log_item_t *iip; - ASSERT(ip->i_transp == NULL); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); if (ip->i_itemp == NULL) xfs_inode_item_init(ip, ip->i_mount); @@ -68,12 +67,6 @@ xfs_trans_ijoin( xfs_trans_add_item(tp, &iip->ili_item); xfs_trans_inode_broot_debug(ip); - - /* - * Initialize i_transp so we can find it with xfs_inode_incore() - * in xfs_trans_iget() above. - */ - ip->i_transp = tp; } /* @@ -111,7 +104,6 @@ xfs_trans_ichgtime( ASSERT(tp); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - ASSERT(ip->i_transp == tp); tv = current_fs_time(inode->i_sb); @@ -140,7 +132,6 @@ xfs_trans_log_inode( xfs_inode_t *ip, uint flags) { - ASSERT(ip->i_transp == tp); ASSERT(ip->i_itemp != NULL); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h index 6b164e9e9a1f..212946b97239 100644 --- a/fs/xfs/xfs_trans_priv.h +++ b/fs/xfs/xfs_trans_priv.h @@ -53,7 +53,7 @@ void xfs_trans_committed_bulk(struct xfs_ail *ailp, struct xfs_log_vec *lv, * of the list to trigger traversal restarts. */ struct xfs_ail_cursor { - struct xfs_ail_cursor *next; + struct list_head list; struct xfs_log_item *item; }; @@ -66,7 +66,7 @@ struct xfs_ail { struct xfs_mount *xa_mount; struct list_head xa_ail; xfs_lsn_t xa_target; - struct xfs_ail_cursor xa_cursors; + struct list_head xa_cursors; spinlock_t xa_lock; struct delayed_work xa_work; xfs_lsn_t xa_last_pushed_lsn; @@ -82,6 +82,7 @@ struct xfs_ail { extern struct workqueue_struct *xfs_ail_wq; /* AIL workqueue */ void xfs_trans_ail_update_bulk(struct xfs_ail *ailp, + struct xfs_ail_cursor *cur, struct xfs_log_item **log_items, int nr_items, xfs_lsn_t lsn) __releases(ailp->xa_lock); static inline void @@ -90,7 +91,7 @@ xfs_trans_ail_update( struct xfs_log_item *lip, xfs_lsn_t lsn) __releases(ailp->xa_lock) { - xfs_trans_ail_update_bulk(ailp, &lip, 1, lsn); + xfs_trans_ail_update_bulk(ailp, NULL, &lip, 1, lsn); } void xfs_trans_ail_delete_bulk(struct xfs_ail *ailp, @@ -111,10 +112,13 @@ xfs_lsn_t xfs_ail_min_lsn(struct xfs_ail *ailp); void xfs_trans_unlocked_item(struct xfs_ail *, xfs_log_item_t *); -struct xfs_log_item *xfs_trans_ail_cursor_first(struct xfs_ail *ailp, +struct xfs_log_item * xfs_trans_ail_cursor_first(struct xfs_ail *ailp, struct xfs_ail_cursor *cur, xfs_lsn_t lsn); -struct xfs_log_item *xfs_trans_ail_cursor_next(struct xfs_ail *ailp, +struct xfs_log_item * xfs_trans_ail_cursor_last(struct xfs_ail *ailp, + struct xfs_ail_cursor *cur, + xfs_lsn_t lsn); +struct xfs_log_item * xfs_trans_ail_cursor_next(struct xfs_ail *ailp, struct xfs_ail_cursor *cur); void xfs_trans_ail_cursor_done(struct xfs_ail *ailp, struct xfs_ail_cursor *cur); diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 619720705bc6..88d121486c52 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -50,430 +50,6 @@ #include "xfs_vnodeops.h" #include "xfs_trace.h" -int -xfs_setattr( - struct xfs_inode *ip, - struct iattr *iattr, - int flags) -{ - xfs_mount_t *mp = ip->i_mount; - struct inode *inode = VFS_I(ip); - int mask = iattr->ia_valid; - xfs_trans_t *tp; - int code; - uint lock_flags; - uint commit_flags=0; - uid_t uid=0, iuid=0; - gid_t gid=0, igid=0; - struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2; - int need_iolock = 1; - - trace_xfs_setattr(ip); - - if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); - - if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); - - code = -inode_change_ok(inode, iattr); - if (code) - return code; - - olddquot1 = olddquot2 = NULL; - udqp = gdqp = NULL; - - /* - * If disk quotas is on, we make sure that the dquots do exist on disk, - * before we start any other transactions. Trying to do this later - * is messy. We don't care to take a readlock to look at the ids - * in inode here, because we can't hold it across the trans_reserve. - * If the IDs do change before we take the ilock, we're covered - * because the i_*dquot fields will get updated anyway. - */ - if (XFS_IS_QUOTA_ON(mp) && (mask & (ATTR_UID|ATTR_GID))) { - uint qflags = 0; - - if ((mask & ATTR_UID) && XFS_IS_UQUOTA_ON(mp)) { - uid = iattr->ia_uid; - qflags |= XFS_QMOPT_UQUOTA; - } else { - uid = ip->i_d.di_uid; - } - if ((mask & ATTR_GID) && XFS_IS_GQUOTA_ON(mp)) { - gid = iattr->ia_gid; - qflags |= XFS_QMOPT_GQUOTA; - } else { - gid = ip->i_d.di_gid; - } - - /* - * We take a reference when we initialize udqp and gdqp, - * so it is important that we never blindly double trip on - * the same variable. See xfs_create() for an example. - */ - ASSERT(udqp == NULL); - ASSERT(gdqp == NULL); - code = xfs_qm_vop_dqalloc(ip, uid, gid, xfs_get_projid(ip), - qflags, &udqp, &gdqp); - if (code) - return code; - } - - /* - * For the other attributes, we acquire the inode lock and - * first do an error checking pass. - */ - tp = NULL; - lock_flags = XFS_ILOCK_EXCL; - if (flags & XFS_ATTR_NOLOCK) - need_iolock = 0; - if (!(mask & ATTR_SIZE)) { - tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE); - commit_flags = 0; - code = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), - 0, 0, 0); - if (code) { - lock_flags = 0; - goto error_return; - } - } else { - if (need_iolock) - lock_flags |= XFS_IOLOCK_EXCL; - } - - xfs_ilock(ip, lock_flags); - - /* - * Change file ownership. Must be the owner or privileged. - */ - if (mask & (ATTR_UID|ATTR_GID)) { - /* - * These IDs could have changed since we last looked at them. - * But, we're assured that if the ownership did change - * while we didn't have the inode locked, inode's dquot(s) - * would have changed also. - */ - iuid = ip->i_d.di_uid; - igid = ip->i_d.di_gid; - gid = (mask & ATTR_GID) ? iattr->ia_gid : igid; - uid = (mask & ATTR_UID) ? iattr->ia_uid : iuid; - - /* - * Do a quota reservation only if uid/gid is actually - * going to change. - */ - if (XFS_IS_QUOTA_RUNNING(mp) && - ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) || - (XFS_IS_GQUOTA_ON(mp) && igid != gid))) { - ASSERT(tp); - code = xfs_qm_vop_chown_reserve(tp, ip, udqp, gdqp, - capable(CAP_FOWNER) ? - XFS_QMOPT_FORCE_RES : 0); - if (code) /* out of quota */ - goto error_return; - } - } - - /* - * Truncate file. Must have write permission and not be a directory. - */ - if (mask & ATTR_SIZE) { - /* Short circuit the truncate case for zero length files */ - if (iattr->ia_size == 0 && - ip->i_size == 0 && ip->i_d.di_nextents == 0) { - xfs_iunlock(ip, XFS_ILOCK_EXCL); - lock_flags &= ~XFS_ILOCK_EXCL; - if (mask & ATTR_CTIME) { - inode->i_mtime = inode->i_ctime = - current_fs_time(inode->i_sb); - xfs_mark_inode_dirty_sync(ip); - } - code = 0; - goto error_return; - } - - if (S_ISDIR(ip->i_d.di_mode)) { - code = XFS_ERROR(EISDIR); - goto error_return; - } else if (!S_ISREG(ip->i_d.di_mode)) { - code = XFS_ERROR(EINVAL); - goto error_return; - } - - /* - * Make sure that the dquots are attached to the inode. - */ - code = xfs_qm_dqattach_locked(ip, 0); - if (code) - goto error_return; - - /* - * Now we can make the changes. Before we join the inode - * to the transaction, if ATTR_SIZE is set then take care of - * the part of the truncation that must be done without the - * inode lock. This needs to be done before joining the inode - * to the transaction, because the inode cannot be unlocked - * once it is a part of the transaction. - */ - if (iattr->ia_size > ip->i_size) { - /* - * Do the first part of growing a file: zero any data - * in the last block that is beyond the old EOF. We - * need to do this before the inode is joined to the - * transaction to modify the i_size. - */ - code = xfs_zero_eof(ip, iattr->ia_size, ip->i_size); - if (code) - goto error_return; - } - xfs_iunlock(ip, XFS_ILOCK_EXCL); - lock_flags &= ~XFS_ILOCK_EXCL; - - /* - * We are going to log the inode size change in this - * transaction so any previous writes that are beyond the on - * disk EOF and the new EOF that have not been written out need - * to be written here. If we do not write the data out, we - * expose ourselves to the null files problem. - * - * Only flush from the on disk size to the smaller of the in - * memory file size or the new size as that's the range we - * really care about here and prevents waiting for other data - * not within the range we care about here. - */ - if (ip->i_size != ip->i_d.di_size && - iattr->ia_size > ip->i_d.di_size) { - code = xfs_flush_pages(ip, - ip->i_d.di_size, iattr->ia_size, - XBF_ASYNC, FI_NONE); - if (code) - goto error_return; - } - - /* wait for all I/O to complete */ - xfs_ioend_wait(ip); - - code = -block_truncate_page(inode->i_mapping, iattr->ia_size, - xfs_get_blocks); - if (code) - goto error_return; - - tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_SIZE); - code = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, - XFS_TRANS_PERM_LOG_RES, - XFS_ITRUNCATE_LOG_COUNT); - if (code) - goto error_return; - - truncate_setsize(inode, iattr->ia_size); - - commit_flags = XFS_TRANS_RELEASE_LOG_RES; - lock_flags |= XFS_ILOCK_EXCL; - - xfs_ilock(ip, XFS_ILOCK_EXCL); - - xfs_trans_ijoin(tp, ip); - - /* - * Only change the c/mtime if we are changing the size - * or we are explicitly asked to change it. This handles - * the semantic difference between truncate() and ftruncate() - * as implemented in the VFS. - * - * The regular truncate() case without ATTR_CTIME and ATTR_MTIME - * is a special case where we need to update the times despite - * not having these flags set. For all other operations the - * VFS set these flags explicitly if it wants a timestamp - * update. - */ - if (iattr->ia_size != ip->i_size && - (!(mask & (ATTR_CTIME | ATTR_MTIME)))) { - iattr->ia_ctime = iattr->ia_mtime = - current_fs_time(inode->i_sb); - mask |= ATTR_CTIME | ATTR_MTIME; - } - - if (iattr->ia_size > ip->i_size) { - ip->i_d.di_size = iattr->ia_size; - ip->i_size = iattr->ia_size; - xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - } else if (iattr->ia_size <= ip->i_size || - (iattr->ia_size == 0 && ip->i_d.di_nextents)) { - /* - * signal a sync transaction unless - * we're truncating an already unlinked - * file on a wsync filesystem - */ - code = xfs_itruncate_finish(&tp, ip, iattr->ia_size, - XFS_DATA_FORK, - ((ip->i_d.di_nlink != 0 || - !(mp->m_flags & XFS_MOUNT_WSYNC)) - ? 1 : 0)); - if (code) - goto abort_return; - /* - * Truncated "down", so we're removing references - * to old data here - if we now delay flushing for - * a long time, we expose ourselves unduly to the - * notorious NULL files problem. So, we mark this - * vnode and flush it when the file is closed, and - * do not wait the usual (long) time for writeout. - */ - xfs_iflags_set(ip, XFS_ITRUNCATED); - } - } else if (tp) { - xfs_trans_ijoin(tp, ip); - } - - /* - * Change file ownership. Must be the owner or privileged. - */ - if (mask & (ATTR_UID|ATTR_GID)) { - /* - * CAP_FSETID overrides the following restrictions: - * - * The set-user-ID and set-group-ID bits of a file will be - * cleared upon successful return from chown() - */ - if ((ip->i_d.di_mode & (S_ISUID|S_ISGID)) && - !capable(CAP_FSETID)) { - ip->i_d.di_mode &= ~(S_ISUID|S_ISGID); - } - - /* - * Change the ownerships and register quota modifications - * in the transaction. - */ - if (iuid != uid) { - if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_UQUOTA_ON(mp)) { - ASSERT(mask & ATTR_UID); - ASSERT(udqp); - olddquot1 = xfs_qm_vop_chown(tp, ip, - &ip->i_udquot, udqp); - } - ip->i_d.di_uid = uid; - inode->i_uid = uid; - } - if (igid != gid) { - if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_GQUOTA_ON(mp)) { - ASSERT(!XFS_IS_PQUOTA_ON(mp)); - ASSERT(mask & ATTR_GID); - ASSERT(gdqp); - olddquot2 = xfs_qm_vop_chown(tp, ip, - &ip->i_gdquot, gdqp); - } - ip->i_d.di_gid = gid; - inode->i_gid = gid; - } - } - - /* - * Change file access modes. - */ - if (mask & ATTR_MODE) { - umode_t mode = iattr->ia_mode; - - if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID)) - mode &= ~S_ISGID; - - ip->i_d.di_mode &= S_IFMT; - ip->i_d.di_mode |= mode & ~S_IFMT; - - inode->i_mode &= S_IFMT; - inode->i_mode |= mode & ~S_IFMT; - } - - /* - * Change file access or modified times. - */ - if (mask & ATTR_ATIME) { - inode->i_atime = iattr->ia_atime; - ip->i_d.di_atime.t_sec = iattr->ia_atime.tv_sec; - ip->i_d.di_atime.t_nsec = iattr->ia_atime.tv_nsec; - ip->i_update_core = 1; - } - if (mask & ATTR_CTIME) { - inode->i_ctime = iattr->ia_ctime; - ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec; - ip->i_d.di_ctime.t_nsec = iattr->ia_ctime.tv_nsec; - ip->i_update_core = 1; - } - if (mask & ATTR_MTIME) { - inode->i_mtime = iattr->ia_mtime; - ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec; - ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec; - ip->i_update_core = 1; - } - - /* - * And finally, log the inode core if any attribute in it - * has been changed. - */ - if (mask & (ATTR_UID|ATTR_GID|ATTR_MODE| - ATTR_ATIME|ATTR_CTIME|ATTR_MTIME)) - xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - - XFS_STATS_INC(xs_ig_attrchg); - - /* - * If this is a synchronous mount, make sure that the - * transaction goes to disk before returning to the user. - * This is slightly sub-optimal in that truncates require - * two sync transactions instead of one for wsync filesystems. - * One for the truncate and one for the timestamps since we - * don't want to change the timestamps unless we're sure the - * truncate worked. Truncates are less than 1% of the laddis - * mix so this probably isn't worth the trouble to optimize. - */ - code = 0; - if (mp->m_flags & XFS_MOUNT_WSYNC) - xfs_trans_set_sync(tp); - - code = xfs_trans_commit(tp, commit_flags); - - xfs_iunlock(ip, lock_flags); - - /* - * Release any dquot(s) the inode had kept before chown. - */ - xfs_qm_dqrele(olddquot1); - xfs_qm_dqrele(olddquot2); - xfs_qm_dqrele(udqp); - xfs_qm_dqrele(gdqp); - - if (code) - return code; - - /* - * XXX(hch): Updating the ACL entries is not atomic vs the i_mode - * update. We could avoid this with linked transactions - * and passing down the transaction pointer all the way - * to attr_set. No previous user of the generic - * Posix ACL code seems to care about this issue either. - */ - if ((mask & ATTR_MODE) && !(flags & XFS_ATTR_NOACL)) { - code = -xfs_acl_chmod(inode); - if (code) - return XFS_ERROR(code); - } - - return 0; - - abort_return: - commit_flags |= XFS_TRANS_ABORT; - error_return: - xfs_qm_dqrele(udqp); - xfs_qm_dqrele(gdqp); - if (tp) { - xfs_trans_cancel(tp, commit_flags); - } - if (lock_flags != 0) { - xfs_iunlock(ip, lock_flags); - } - return code; -} - /* * The maximum pathlen is 1024 bytes. Since the minimum file system * blocksize is 512 bytes, we can get a max of 2 extents back from @@ -621,13 +197,6 @@ xfs_free_eofblocks( */ tp = xfs_trans_alloc(mp, XFS_TRANS_INACTIVE); - /* - * Do the xfs_itruncate_start() call before - * reserving any log space because - * itruncate_start will call into the buffer - * cache and we can't - * do that within a transaction. - */ if (flags & XFS_FREE_EOF_TRYLOCK) { if (!xfs_ilock_nowait(ip, XFS_IOLOCK_EXCL)) { xfs_trans_cancel(tp, 0); @@ -636,13 +205,6 @@ xfs_free_eofblocks( } else { xfs_ilock(ip, XFS_IOLOCK_EXCL); } - error = xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE, - ip->i_size); - if (error) { - xfs_trans_cancel(tp, 0); - xfs_iunlock(ip, XFS_IOLOCK_EXCL); - return error; - } error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), @@ -658,15 +220,12 @@ xfs_free_eofblocks( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip); - error = xfs_itruncate_finish(&tp, ip, - ip->i_size, - XFS_DATA_FORK, - 0); - /* - * If we get an error at this point we - * simply don't bother truncating the file. - */ + error = xfs_itruncate_data(&tp, ip, ip->i_size); if (error) { + /* + * If we get an error at this point we simply don't + * bother truncating the file. + */ xfs_trans_cancel(tp, (XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT)); @@ -1084,20 +643,9 @@ xfs_inactive( tp = xfs_trans_alloc(mp, XFS_TRANS_INACTIVE); if (truncate) { - /* - * Do the xfs_itruncate_start() call before - * reserving any log space because itruncate_start - * will call into the buffer cache and we can't - * do that within a transaction. - */ xfs_ilock(ip, XFS_IOLOCK_EXCL); - error = xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE, 0); - if (error) { - xfs_trans_cancel(tp, 0); - xfs_iunlock(ip, XFS_IOLOCK_EXCL); - return VN_INACTIVE_CACHE; - } + xfs_ioend_wait(ip); error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), @@ -1114,16 +662,7 @@ xfs_inactive( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip); - /* - * normally, we have to run xfs_itruncate_finish sync. - * But if filesystem is wsync and we're in the inactive - * path, then we know that nlink == 0, and that the - * xaction that made nlink == 0 is permanently committed - * since xfs_remove runs as a synchronous transaction. - */ - error = xfs_itruncate_finish(&tp, ip, 0, XFS_DATA_FORK, - (!(mp->m_flags & XFS_MOUNT_WSYNC) ? 1 : 0)); - + error = xfs_itruncate_data(&tp, ip, 0); if (error) { xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT); @@ -2430,6 +1969,8 @@ xfs_zero_remaining_bytes( if (!bp) return XFS_ERROR(ENOMEM); + xfs_buf_unlock(bp); + for (offset = startoff; offset <= endoff; offset = lastoffset + 1) { offset_fsb = XFS_B_TO_FSBT(mp, offset); nimap = 1; @@ -2784,7 +2325,7 @@ xfs_change_file_space( iattr.ia_valid = ATTR_SIZE; iattr.ia_size = startoffset; - error = xfs_setattr(ip, &iattr, attr_flags); + error = xfs_setattr_size(ip, &iattr, attr_flags); if (error) return error; diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h index 3bcd23353d6c..35d3d513e1e9 100644 --- a/fs/xfs/xfs_vnodeops.h +++ b/fs/xfs/xfs_vnodeops.h @@ -13,7 +13,8 @@ struct xfs_inode; struct xfs_iomap; -int xfs_setattr(struct xfs_inode *ip, struct iattr *vap, int flags); +int xfs_setattr_nonsize(struct xfs_inode *ip, struct iattr *vap, int flags); +int xfs_setattr_size(struct xfs_inode *ip, struct iattr *vap, int flags); #define XFS_ATTR_DMI 0x01 /* invocation from a DMI function */ #define XFS_ATTR_NONBLOCK 0x02 /* return EAGAIN if operation would block */ #define XFS_ATTR_NOLOCK 0x04 /* Don't grab any conflicting locks */ diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 3a10ef5914eb..6cd5b6403a7b 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -210,7 +210,7 @@ struct acpi_device_power_state { struct acpi_device_power { int state; /* Current state */ struct acpi_device_power_flags flags; - struct acpi_device_power_state states[4]; /* Power states (D0-D3) */ + struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */ }; /* Performance Management */ diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h index a756bc8d866d..4543b6f75867 100644 --- a/include/acpi/acpiosxf.h +++ b/include/acpi/acpiosxf.h @@ -98,8 +98,11 @@ acpi_os_table_override(struct acpi_table_header *existing_table, /* * Spinlock primitives */ + +#ifndef acpi_os_create_lock acpi_status acpi_os_create_lock(acpi_spinlock *out_handle); +#endif void acpi_os_delete_lock(acpi_spinlock handle); diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index 5d2a5e9544d9..2ce1be9f6291 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -159,6 +159,24 @@ static inline void *acpi_os_acquire_object(acpi_cache_t * cache) } while (0) #endif +/* + * When lockdep is enabled, the spin_lock_init() macro stringifies it's + * argument and uses that as a name for the lock in debugging. + * By executing spin_lock_init() in a macro the key changes from "lock" for + * all locks to the name of the argument of acpi_os_create_lock(), which + * prevents lockdep from reporting false positives for ACPICA locks. + */ +#define acpi_os_create_lock(__handle) \ +({ \ + spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \ + \ + if (lock) { \ + *(__handle) = lock; \ + spin_lock_init(*(__handle)); \ + } \ + lock ? AE_OK : AE_NO_MEMORY; \ +}) + #endif /* __KERNEL__ */ #endif /* __ACLINUX_H__ */ diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index e08f344c6cff..3d53efd25ab9 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -182,6 +182,7 @@ {0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6759, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x675F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6760, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6761, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6762, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ @@ -192,6 +193,7 @@ {0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6880, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6888, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \ diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 246f576c981d..447c36752385 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -117,10 +117,10 @@ /* drbdsetup XY resize -d Z * you are free to reduce the device size to nothing, if you want to. * the upper limit with 64bit kernel, enough ram and flexible meta data - * is 16 TB, currently. */ + * is 1 PiB, currently. */ /* DRBD_MAX_SECTORS */ #define DRBD_DISK_SIZE_SECT_MIN 0 -#define DRBD_DISK_SIZE_SECT_MAX (16 * (2LLU << 30)) +#define DRBD_DISK_SIZE_SECT_MAX (1 * (2LLU << 40)) #define DRBD_DISK_SIZE_SECT_DEF 0 /* = disabled = no user size... */ #define DRBD_ON_IO_ERROR_DEF EP_PASS_ON diff --git a/include/linux/fscache.h b/include/linux/fscache.h index 7c4d72f5581f..9ec20dec3353 100644 --- a/include/linux/fscache.h +++ b/include/linux/fscache.h @@ -204,6 +204,8 @@ extern bool __fscache_check_page_write(struct fscache_cookie *, struct page *); extern void __fscache_wait_on_page_write(struct fscache_cookie *, struct page *); extern bool __fscache_maybe_release_page(struct fscache_cookie *, struct page *, gfp_t); +extern void __fscache_uncache_all_inode_pages(struct fscache_cookie *, + struct inode *); /** * fscache_register_netfs - Register a filesystem as desiring caching services @@ -643,4 +645,23 @@ bool fscache_maybe_release_page(struct fscache_cookie *cookie, return false; } +/** + * fscache_uncache_all_inode_pages - Uncache all an inode's pages + * @cookie: The cookie representing the inode's cache object. + * @inode: The inode to uncache pages from. + * + * Uncache all the pages in an inode that are marked PG_fscache, assuming them + * to be associated with the given cookie. + * + * This function may sleep. It will wait for pages that are being written out + * and will wait whilst the PG_fscache mark is removed by the cache. + */ +static inline +void fscache_uncache_all_inode_pages(struct fscache_cookie *cookie, + struct inode *inode) +{ + if (fscache_cookie_valid(cookie)) + __fscache_uncache_all_inode_pages(cookie, inode); +} + #endif /* _LINUX_FSCACHE_H */ diff --git a/include/linux/irq.h b/include/linux/irq.h index 8b4538446636..baa397eb9c33 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -676,7 +676,8 @@ void irq_gc_mask_disable_reg(struct irq_data *d); void irq_gc_mask_set_bit(struct irq_data *d); void irq_gc_mask_clr_bit(struct irq_data *d); void irq_gc_unmask_enable_reg(struct irq_data *d); -void irq_gc_ack(struct irq_data *d); +void irq_gc_ack_set_bit(struct irq_data *d); +void irq_gc_ack_clr_bit(struct irq_data *d); void irq_gc_mask_disable_reg_and_ack(struct irq_data *d); void irq_gc_eoi(struct irq_data *d); int irq_gc_set_wake(struct irq_data *d, unsigned int on); diff --git a/include/linux/memory.h b/include/linux/memory.h index e1e3b2b84f85..935699b30b7c 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -20,6 +20,8 @@ #include <linux/compiler.h> #include <linux/mutex.h> +#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS) + struct memory_block { unsigned long start_section_nr; unsigned long end_section_nr; diff --git a/include/linux/mfd/ds1wm.h b/include/linux/mfd/ds1wm.h index be469a357cbb..38a372a0e285 100644 --- a/include/linux/mfd/ds1wm.h +++ b/include/linux/mfd/ds1wm.h @@ -3,4 +3,11 @@ struct ds1wm_driver_data { int active_high; int clock_rate; + /* in milliseconds, the amount of time to */ + /* sleep following a reset pulse. Zero */ + /* should work if your bus devices recover*/ + /* time respects the 1-wire spec since the*/ + /* ds1wm implements the precise timings of*/ + /* a reset pulse/presence detect sequence.*/ + unsigned int reset_recover_delay; }; diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h index 5a90266c3a5a..0dc98044d8b7 100644 --- a/include/linux/mfd/tmio.h +++ b/include/linux/mfd/tmio.h @@ -68,6 +68,11 @@ * controller and report the event to the driver. */ #define TMIO_MMC_HAS_COLD_CD (1 << 3) +/* + * Some controllers require waiting for the SD bus to become + * idle before writing to some registers. + */ +#define TMIO_MMC_HAS_IDLE_WAIT (1 << 4) int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base); int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base); @@ -80,6 +85,8 @@ struct tmio_mmc_dma { int alignment_shift; }; +struct tmio_mmc_host; + /* * data for the MMC controller */ @@ -94,6 +101,7 @@ struct tmio_mmc_data { void (*set_pwr)(struct platform_device *host, int state); void (*set_clk_div)(struct platform_device *host, int state); int (*get_cd)(struct platform_device *host); + int (*write16_hook)(struct tmio_mmc_host *host, int addr); }; static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata) diff --git a/include/linux/mmc/boot.h b/include/linux/mmc/boot.h index 39d787c229cb..23acc3baa07d 100644 --- a/include/linux/mmc/boot.h +++ b/include/linux/mmc/boot.h @@ -1,7 +1,7 @@ -#ifndef MMC_BOOT_H -#define MMC_BOOT_H +#ifndef LINUX_MMC_BOOT_H +#define LINUX_MMC_BOOT_H enum { MMC_PROGRESS_ENTER, MMC_PROGRESS_INIT, MMC_PROGRESS_LOAD, MMC_PROGRESS_DONE }; -#endif +#endif /* LINUX_MMC_BOOT_H */ diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index c6927a4d157f..b460fc2af8a1 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -64,6 +64,19 @@ struct mmc_ext_csd { unsigned long long enhanced_area_offset; /* Units: Byte */ unsigned int enhanced_area_size; /* Units: KB */ unsigned int boot_size; /* in bytes */ + u8 raw_partition_support; /* 160 */ + u8 raw_erased_mem_count; /* 181 */ + u8 raw_ext_csd_structure; /* 194 */ + u8 raw_card_type; /* 196 */ + u8 raw_s_a_timeout; /* 217 */ + u8 raw_hc_erase_gap_size; /* 221 */ + u8 raw_erase_timeout_mult; /* 223 */ + u8 raw_hc_erase_grp_size; /* 224 */ + u8 raw_sec_trim_mult; /* 229 */ + u8 raw_sec_erase_mult; /* 230 */ + u8 raw_sec_feature_support;/* 231 */ + u8 raw_trim_mult; /* 232 */ + u8 raw_sectors[4]; /* 212 - 4 bytes */ }; struct sd_scr { @@ -390,4 +403,4 @@ extern void mmc_unregister_driver(struct mmc_driver *); extern void mmc_fixup_device(struct mmc_card *card, const struct mmc_fixup *table); -#endif +#endif /* LINUX_MMC_CARD_H */ diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index b6718e549a51..b8b1b7a311f1 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -117,6 +117,7 @@ struct mmc_data { unsigned int sg_len; /* size of scatter list */ struct scatterlist *sg; /* I/O scatter list */ + s32 host_cookie; /* host private data */ }; struct mmc_request { @@ -125,13 +126,16 @@ struct mmc_request { struct mmc_data *data; struct mmc_command *stop; - void *done_data; /* completion data */ + struct completion completion; void (*done)(struct mmc_request *);/* completion function */ }; struct mmc_host; struct mmc_card; +struct mmc_async_req; +extern struct mmc_async_req *mmc_start_req(struct mmc_host *, + struct mmc_async_req *, int *); extern void mmc_wait_for_req(struct mmc_host *, struct mmc_request *); extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int); extern int mmc_app_cmd(struct mmc_host *, struct mmc_card *); @@ -155,6 +159,7 @@ extern int mmc_can_trim(struct mmc_card *card); extern int mmc_can_secure_erase_trim(struct mmc_card *card); extern int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from, unsigned int nr); +extern unsigned int mmc_calc_max_discard(struct mmc_card *card); extern int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen); @@ -179,4 +184,4 @@ static inline void mmc_claim_host(struct mmc_host *host) extern u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max); -#endif +#endif /* LINUX_MMC_CORE_H */ diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index bdd7ceeb99e4..6b46819705d1 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -11,8 +11,8 @@ * (at your option) any later version. */ -#ifndef _LINUX_MMC_DW_MMC_H_ -#define _LINUX_MMC_DW_MMC_H_ +#ifndef LINUX_MMC_DW_MMC_H +#define LINUX_MMC_DW_MMC_H #define MAX_MCI_SLOTS 2 @@ -48,6 +48,7 @@ struct mmc_data; * @data: The data currently being transferred, or NULL if no data * transfer is in progress. * @use_dma: Whether DMA channel is initialized or not. + * @using_dma: Whether DMA is in use for the current transfer. * @sg_dma: Bus address of DMA buffer. * @sg_cpu: Virtual address of DMA buffer. * @dma_ops: Pointer to platform-specific DMA callbacks. @@ -74,7 +75,11 @@ struct mmc_data; * @pdev: Platform device associated with the MMC controller. * @pdata: Platform data associated with the MMC controller. * @slot: Slots sharing this MMC controller. + * @fifo_depth: depth of FIFO. * @data_shift: log2 of FIFO item size. + * @part_buf_start: Start index in part_buf. + * @part_buf_count: Bytes of partial data in part_buf. + * @part_buf: Simple buffer for partial fifo reads/writes. * @push_data: Pointer to FIFO push function. * @pull_data: Pointer to FIFO pull function. * @quirks: Set of quirks that apply to specific versions of the IP. @@ -117,6 +122,7 @@ struct dw_mci { /* DMA interface members*/ int use_dma; + int using_dma; dma_addr_t sg_dma; void *sg_cpu; @@ -131,7 +137,7 @@ struct dw_mci { u32 stop_cmdr; u32 dir_status; struct tasklet_struct tasklet; - struct tasklet_struct card_tasklet; + struct work_struct card_work; unsigned long pending_events; unsigned long completed_events; enum dw_mci_state state; @@ -146,7 +152,15 @@ struct dw_mci { struct dw_mci_slot *slot[MAX_MCI_SLOTS]; /* FIFO push and pull */ + int fifo_depth; int data_shift; + u8 part_buf_start; + u8 part_buf_count; + union { + u16 part_buf16; + u32 part_buf32; + u64 part_buf; + }; void (*push_data)(struct dw_mci *host, void *buf, int cnt); void (*pull_data)(struct dw_mci *host, void *buf, int cnt); @@ -196,6 +210,12 @@ struct dw_mci_board { unsigned int bus_hz; /* Bus speed */ unsigned int caps; /* Capabilities */ + /* + * Override fifo depth. If 0, autodetect it from the FIFOTH register, + * but note that this may not be reliable after a bootloader has used + * it. + */ + unsigned int fifo_depth; /* delay in mS before detecting cards after interrupt */ u32 detect_delay_ms; @@ -219,4 +239,4 @@ struct dw_mci_board { struct block_settings *blk_settings; }; -#endif /* _LINUX_MMC_DW_MMC_H_ */ +#endif /* LINUX_MMC_DW_MMC_H */ diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 1ee4424462eb..0f83858147a6 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -106,6 +106,15 @@ struct mmc_host_ops { */ int (*enable)(struct mmc_host *host); int (*disable)(struct mmc_host *host, int lazy); + /* + * It is optional for the host to implement pre_req and post_req in + * order to support double buffering of requests (prepare one + * request while another request is active). + */ + void (*post_req)(struct mmc_host *host, struct mmc_request *req, + int err); + void (*pre_req)(struct mmc_host *host, struct mmc_request *req, + bool is_first_req); void (*request)(struct mmc_host *host, struct mmc_request *req); /* * Avoid calling these three functions too often or in a "fast path", @@ -139,11 +148,22 @@ struct mmc_host_ops { int (*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios); int (*execute_tuning)(struct mmc_host *host); void (*enable_preset_value)(struct mmc_host *host, bool enable); + int (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv); }; struct mmc_card; struct device; +struct mmc_async_req { + /* active mmc request */ + struct mmc_request *mrq; + /* + * Check error status of completed mmc request. + * Returns 0 if success otherwise non zero. + */ + int (*err_check) (struct mmc_card *, struct mmc_async_req *); +}; + struct mmc_host { struct device *parent; struct device class_dev; @@ -231,6 +251,7 @@ struct mmc_host { unsigned int max_req_size; /* maximum number of bytes in one req */ unsigned int max_blk_size; /* maximum size of one mmc block */ unsigned int max_blk_count; /* maximum number of blocks in one req */ + unsigned int max_discard_to; /* max. discard timeout in ms */ /* private data */ spinlock_t lock; /* lock for claim and bus ops */ @@ -281,6 +302,8 @@ struct mmc_host { struct dentry *debugfs_root; + struct mmc_async_req *areq; /* active async req */ + unsigned long private[0] ____cacheline_aligned; }; @@ -373,5 +396,4 @@ static inline int mmc_host_cmd23(struct mmc_host *host) { return host->caps & MMC_CAP_CMD23; } -#endif - +#endif /* LINUX_MMC_HOST_H */ diff --git a/include/linux/mmc/ioctl.h b/include/linux/mmc/ioctl.h index 5baf2983a12f..8fa5bc5f8059 100644 --- a/include/linux/mmc/ioctl.h +++ b/include/linux/mmc/ioctl.h @@ -51,4 +51,4 @@ struct mmc_ioc_cmd { * block device operations. */ #define MMC_IOC_MAX_BYTES (512L * 256) -#endif /* LINUX_MMC_IOCTL_H */ +#endif /* LINUX_MMC_IOCTL_H */ diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index ac26a685cca8..5a794cb503ea 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -21,8 +21,8 @@ * 15 May 2002 */ -#ifndef MMC_MMC_H -#define MMC_MMC_H +#ifndef LINUX_MMC_MMC_H +#define LINUX_MMC_MMC_H /* Standard MMC commands (4.1) type argument response */ /* class 1 */ @@ -140,6 +140,16 @@ static inline bool mmc_op_multi(u32 opcode) #define R1_SWITCH_ERROR (1 << 7) /* sx, c */ #define R1_APP_CMD (1 << 5) /* sr, c */ +#define R1_STATE_IDLE 0 +#define R1_STATE_READY 1 +#define R1_STATE_IDENT 2 +#define R1_STATE_STBY 3 +#define R1_STATE_TRAN 4 +#define R1_STATE_DATA 5 +#define R1_STATE_RCV 6 +#define R1_STATE_PRG 7 +#define R1_STATE_DIS 8 + /* * MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS * R1 is the low order byte; R2 is the next highest byte, when present. @@ -327,5 +337,4 @@ struct _mmc_csd { #define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */ #define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */ -#endif /* MMC_MMC_PROTOCOL_H */ - +#endif /* LINUX_MMC_MMC_H */ diff --git a/include/linux/mmc/pm.h b/include/linux/mmc/pm.h index d37aac49cf9a..4a139204c20c 100644 --- a/include/linux/mmc/pm.h +++ b/include/linux/mmc/pm.h @@ -27,4 +27,4 @@ typedef unsigned int mmc_pm_flag_t; #define MMC_PM_KEEP_POWER (1 << 0) /* preserve card power during suspend */ #define MMC_PM_WAKE_SDIO_IRQ (1 << 1) /* wake up host system on SDIO IRQ assertion */ -#endif +#endif /* LINUX_MMC_PM_H */ diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h index 7d35d52c3df3..1ebcf9ba1256 100644 --- a/include/linux/mmc/sd.h +++ b/include/linux/mmc/sd.h @@ -9,8 +9,8 @@ * your option) any later version. */ -#ifndef MMC_SD_H -#define MMC_SD_H +#ifndef LINUX_MMC_SD_H +#define LINUX_MMC_SD_H /* SD commands type argument response */ /* class 0 */ @@ -91,5 +91,4 @@ #define SD_SWITCH_ACCESS_DEF 0 #define SD_SWITCH_ACCESS_HS 1 -#endif - +#endif /* LINUX_MMC_SD_H */ diff --git a/include/linux/mmc/sdhci-pltfm.h b/include/linux/mmc/sdhci-pltfm.h deleted file mode 100644 index 548d59d404cb..000000000000 --- a/include/linux/mmc/sdhci-pltfm.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Platform data declarations for the sdhci-pltfm driver. - * - * Copyright (c) 2010 MontaVista Software, LLC. - * - * Author: Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - */ - -#ifndef _SDHCI_PLTFM_H -#define _SDHCI_PLTFM_H - -struct sdhci_ops; -struct sdhci_host; - -/** - * struct sdhci_pltfm_data - SDHCI platform-specific information & hooks - * @ops: optional pointer to the platform-provided SDHCI ops - * @quirks: optional SDHCI quirks - * @init: optional hook that is called during device probe, before the - * driver tries to access any SDHCI registers - * @exit: optional hook that is called during device removal - */ -struct sdhci_pltfm_data { - struct sdhci_ops *ops; - unsigned int quirks; - int (*init)(struct sdhci_host *host, struct sdhci_pltfm_data *pdata); - void (*exit)(struct sdhci_host *host); -}; - -#endif /* _SDHCI_PLTFM_H */ diff --git a/include/linux/mmc/sdhci-spear.h b/include/linux/mmc/sdhci-spear.h index 9188c973f3e1..5cdc96da9dd5 100644 --- a/include/linux/mmc/sdhci-spear.h +++ b/include/linux/mmc/sdhci-spear.h @@ -11,8 +11,8 @@ * warranty of any kind, whether express or implied. */ -#ifndef MMC_SDHCI_SPEAR_H -#define MMC_SDHCI_SPEAR_H +#ifndef LINUX_MMC_SDHCI_SPEAR_H +#define LINUX_MMC_SDHCI_SPEAR_H #include <linux/platform_device.h> /* @@ -39,4 +39,4 @@ sdhci_set_plat_data(struct platform_device *pdev, struct sdhci_plat_data *data) pdev->dev.platform_data = data; } -#endif /* MMC_SDHCI_SPEAR_H */ +#endif /* LINUX_MMC_SDHCI_SPEAR_H */ diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h index 6a68c4eb4e44..5666f3abfab7 100644 --- a/include/linux/mmc/sdhci.h +++ b/include/linux/mmc/sdhci.h @@ -8,8 +8,8 @@ * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. */ -#ifndef __SDHCI_H -#define __SDHCI_H +#ifndef LINUX_MMC_SDHCI_H +#define LINUX_MMC_SDHCI_H #include <linux/scatterlist.h> #include <linux/compiler.h> @@ -162,4 +162,4 @@ struct sdhci_host { unsigned long private[0] ____cacheline_aligned; }; -#endif /* __SDHCI_H */ +#endif /* LINUX_MMC_SDHCI_H */ diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h index 245cdacee544..2a2e9905a247 100644 --- a/include/linux/mmc/sdio.h +++ b/include/linux/mmc/sdio.h @@ -9,8 +9,8 @@ * your option) any later version. */ -#ifndef MMC_SDIO_H -#define MMC_SDIO_H +#ifndef LINUX_MMC_SDIO_H +#define LINUX_MMC_SDIO_H /* SDIO commands type argument response */ #define SD_IO_SEND_OP_COND 5 /* bcr [23:0] OCR R4 */ @@ -161,5 +161,4 @@ #define SDIO_FBR_BLKSIZE 0x10 /* block size (2 bytes) */ -#endif - +#endif /* LINUX_MMC_SDIO_H */ diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h index 31baaf82f458..50f0bc952328 100644 --- a/include/linux/mmc/sdio_func.h +++ b/include/linux/mmc/sdio_func.h @@ -9,8 +9,8 @@ * your option) any later version. */ -#ifndef MMC_SDIO_FUNC_H -#define MMC_SDIO_FUNC_H +#ifndef LINUX_MMC_SDIO_FUNC_H +#define LINUX_MMC_SDIO_FUNC_H #include <linux/device.h> #include <linux/mod_devicetable.h> @@ -161,5 +161,4 @@ extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b, extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func); extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags); -#endif - +#endif /* LINUX_MMC_SDIO_FUNC_H */ diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h index a36ab3bc7b03..9f03feedc8e7 100644 --- a/include/linux/mmc/sdio_ids.h +++ b/include/linux/mmc/sdio_ids.h @@ -2,8 +2,8 @@ * SDIO Classes, Interface Types, Manufacturer IDs, etc. */ -#ifndef MMC_SDIO_IDS_H -#define MMC_SDIO_IDS_H +#ifndef LINUX_MMC_SDIO_IDS_H +#define LINUX_MMC_SDIO_IDS_H /* * Standard SDIO Function Interfaces @@ -44,4 +44,4 @@ #define SDIO_DEVICE_ID_SIANO_NOVA_A0 0x1100 #define SDIO_DEVICE_ID_SIANO_STELLAR 0x5347 -#endif +#endif /* LINUX_MMC_SDIO_IDS_H */ diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h index 9eb9b4b96f55..0222cd8ebe76 100644 --- a/include/linux/mmc/sh_mmcif.h +++ b/include/linux/mmc/sh_mmcif.h @@ -11,8 +11,8 @@ * */ -#ifndef __SH_MMCIF_H__ -#define __SH_MMCIF_H__ +#ifndef LINUX_MMC_SH_MMCIF_H +#define LINUX_MMC_SH_MMCIF_H #include <linux/io.h> #include <linux/platform_device.h> @@ -220,4 +220,4 @@ static inline void sh_mmcif_boot_init(void __iomem *base) sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000); } -#endif /* __SH_MMCIF_H__ */ +#endif /* LINUX_MMC_SH_MMCIF_H */ diff --git a/include/linux/mmc/sh_mobile_sdhi.h b/include/linux/mmc/sh_mobile_sdhi.h index faf32b6ec185..bd50b365167f 100644 --- a/include/linux/mmc/sh_mobile_sdhi.h +++ b/include/linux/mmc/sh_mobile_sdhi.h @@ -1,5 +1,5 @@ -#ifndef __SH_MOBILE_SDHI_H__ -#define __SH_MOBILE_SDHI_H__ +#ifndef LINUX_MMC_SH_MOBILE_SDHI_H +#define LINUX_MMC_SH_MOBILE_SDHI_H #include <linux/types.h> @@ -17,4 +17,4 @@ struct sh_mobile_sdhi_info { int (*get_cd)(struct platform_device *pdev); }; -#endif /* __SH_MOBILE_SDHI_H__ */ +#endif /* LINUX_MMC_SH_MOBILE_SDHI_H */ diff --git a/include/linux/mmc/tmio.h b/include/linux/mmc/tmio.h index 19490b942db0..a1c1f321e519 100644 --- a/include/linux/mmc/tmio.h +++ b/include/linux/mmc/tmio.h @@ -12,8 +12,8 @@ * * TC6393XB TC6391XB TC6387XB T7L66XB ASIC3 */ -#ifndef _LINUX_MMC_TMIO_H_ -#define _LINUX_MMC_TMIO_H_ +#ifndef LINUX_MMC_TMIO_H +#define LINUX_MMC_TMIO_H #define CTL_SD_CMD 0x00 #define CTL_ARG_REG 0x04 @@ -21,6 +21,7 @@ #define CTL_XFER_BLK_COUNT 0xa #define CTL_RESPONSE 0x0c #define CTL_STATUS 0x1c +#define CTL_STATUS2 0x1e #define CTL_IRQ_MASK 0x20 #define CTL_SD_CARD_CLK_CTL 0x24 #define CTL_SD_XFER_LEN 0x26 @@ -30,6 +31,7 @@ #define CTL_TRANSACTION_CTL 0x34 #define CTL_SDIO_STATUS 0x36 #define CTL_SDIO_IRQ_MASK 0x38 +#define CTL_DMA_ENABLE 0xd8 #define CTL_RESET_SD 0xe0 #define CTL_SDIO_REGS 0x100 #define CTL_CLK_AND_WAIT_CTL 0x138 @@ -60,4 +62,4 @@ #define TMIO_BBS 512 /* Boot block size */ -#endif /* _LINUX_MMC_TMIO_H_ */ +#endif /* LINUX_MMC_TMIO_H */ diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h index 15da0e99f48a..db4836bed514 100644 --- a/include/linux/mtd/ubi.h +++ b/include/linux/mtd/ubi.h @@ -155,12 +155,14 @@ struct ubi_device_info { }; /* - * enum - volume notification types. - * @UBI_VOLUME_ADDED: volume has been added - * @UBI_VOLUME_REMOVED: start volume volume - * @UBI_VOLUME_RESIZED: volume size has been re-sized - * @UBI_VOLUME_RENAMED: volume name has been re-named - * @UBI_VOLUME_UPDATED: volume name has been updated + * Volume notification types. + * @UBI_VOLUME_ADDED: a volume has been added (an UBI device was attached or a + * volume was created) + * @UBI_VOLUME_REMOVED: a volume has been removed (an UBI device was detached + * or a volume was removed) + * @UBI_VOLUME_RESIZED: a volume has been re-sized + * @UBI_VOLUME_RENAMED: a volume has been re-named + * @UBI_VOLUME_UPDATED: data has been written to a volume * * These constants define which type of event has happened when a volume * notification function is invoked. diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 54b8b4d7b68f..9e19477991ad 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1097,12 +1097,6 @@ struct net_device { #define NETIF_F_ALL_FCOE (NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \ NETIF_F_FSO) -#define NETIF_F_ALL_TX_OFFLOADS (NETIF_F_ALL_CSUM | NETIF_F_SG | \ - NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ - NETIF_F_HIGHDMA | \ - NETIF_F_SCTP_CSUM | \ - NETIF_F_ALL_FCOE) - /* * If one device supports one of these features, then enable them * for all in netdev_increment_features. diff --git a/include/linux/platform_data/pxa_sdhci.h b/include/linux/platform_data/pxa_sdhci.h new file mode 100644 index 000000000000..51ad0995abac --- /dev/null +++ b/include/linux/platform_data/pxa_sdhci.h @@ -0,0 +1,60 @@ +/* + * include/linux/platform_data/pxa_sdhci.h + * + * Copyright 2010 Marvell + * Zhangfei Gao <zhangfei.gao@marvell.com> + * + * PXA Platform - SDHCI platform data definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _PXA_SDHCI_H_ +#define _PXA_SDHCI_H_ + +/* pxa specific flag */ +/* Require clock free running */ +#define PXA_FLAG_ENABLE_CLOCK_GATING (1<<0) +/* card always wired to host, like on-chip emmc */ +#define PXA_FLAG_CARD_PERMANENT (1<<1) +/* Board design supports 8-bit data on SD/SDIO BUS */ +#define PXA_FLAG_SD_8_BIT_CAPABLE_SLOT (1<<2) + +/* + * struct pxa_sdhci_platdata() - Platform device data for PXA SDHCI + * @flags: flags for platform requirement + * @clk_delay_cycles: + * mmp2: each step is roughly 100ps, 5bits width + * pxa910: each step is 1ns, 4bits width + * @clk_delay_sel: select clk_delay, used on pxa910 + * 0: choose feedback clk + * 1: choose feedback clk + delay value + * 2: choose internal clk + * @clk_delay_enable: enable clk_delay or not, used on pxa910 + * @ext_cd_gpio: gpio pin used for external CD line + * @ext_cd_gpio_invert: invert values for external CD gpio line + * @max_speed: the maximum speed supported + * @host_caps: Standard MMC host capabilities bit field. + * @quirks: quirks of platfrom + * @pm_caps: pm_caps of platfrom + */ +struct sdhci_pxa_platdata { + unsigned int flags; + unsigned int clk_delay_cycles; + unsigned int clk_delay_sel; + bool clk_delay_enable; + unsigned int ext_cd_gpio; + bool ext_cd_gpio_invert; + unsigned int max_speed; + unsigned int host_caps; + unsigned int quirks; + unsigned int pm_caps; +}; + +struct sdhci_pxa { + u8 clk_enable; + u8 power_mode; +}; +#endif /* _PXA_SDHCI_H_ */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 496770a96487..14a6c7b545de 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -844,6 +844,7 @@ enum cpu_idle_type { #define SD_SERIALIZE 0x0400 /* Only a single load balancing instance */ #define SD_ASYM_PACKING 0x0800 /* Place busy groups earlier in the domain */ #define SD_PREFER_SIBLING 0x1000 /* Prefer to place tasks in a sibling domain */ +#define SD_OVERLAP 0x2000 /* sched_domains of this level overlap */ enum powersavings_balance_level { POWERSAVINGS_BALANCE_NONE = 0, /* No power saving load balance */ @@ -893,16 +894,21 @@ static inline int sd_power_saving_flags(void) return 0; } -struct sched_group { - struct sched_group *next; /* Must be a circular list */ +struct sched_group_power { atomic_t ref; - /* * CPU power of this group, SCHED_LOAD_SCALE being max power for a * single CPU. */ - unsigned int cpu_power, cpu_power_orig; + unsigned int power, power_orig; +}; + +struct sched_group { + struct sched_group *next; /* Must be a circular list */ + atomic_t ref; + unsigned int group_weight; + struct sched_group_power *sgp; /* * The CPUs this group covers. @@ -1254,6 +1260,9 @@ struct task_struct { #ifdef CONFIG_PREEMPT_RCU int rcu_read_lock_nesting; char rcu_read_unlock_special; +#if defined(CONFIG_RCU_BOOST) && defined(CONFIG_TREE_PREEMPT_RCU) + int rcu_boosted; +#endif /* #if defined(CONFIG_RCU_BOOST) && defined(CONFIG_TREE_PREEMPT_RCU) */ struct list_head rcu_node_entry; #endif /* #ifdef CONFIG_PREEMPT_RCU */ #ifdef CONFIG_TREE_PREEMPT_RCU diff --git a/include/linux/sdla.h b/include/linux/sdla.h index 564acd3a71c1..9995c7fc3f60 100644 --- a/include/linux/sdla.h +++ b/include/linux/sdla.h @@ -112,11 +112,7 @@ struct sdla_dlci_conf { short Tb_max; }; -#ifndef __KERNEL__ - -void sdla(void *cfg_info, char *dev, struct frad_conf *conf, int quiet); - -#else +#ifdef __KERNEL__ /* important Z80 window addresses */ #define SDLA_CONTROL_WND 0xE000 diff --git a/include/linux/slab.h b/include/linux/slab.h index ad4dd1c8d30a..573c809c33d9 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -134,6 +134,26 @@ unsigned int kmem_cache_size(struct kmem_cache *); #define KMALLOC_MAX_ORDER (KMALLOC_SHIFT_HIGH - PAGE_SHIFT) /* + * Some archs want to perform DMA into kmalloc caches and need a guaranteed + * alignment larger than the alignment of a 64-bit integer. + * Setting ARCH_KMALLOC_MINALIGN in arch headers allows that. + */ +#ifdef ARCH_DMA_MINALIGN +#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN +#else +#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long) +#endif + +/* + * Setting ARCH_SLAB_MINALIGN in arch headers allows a different alignment. + * Intended for arches that get misalignment faults even for 64 bit integer + * aligned buffers. + */ +#ifndef ARCH_SLAB_MINALIGN +#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) +#endif + +/* * Common kmalloc functions provided by all allocators */ void * __must_check __krealloc(const void *, size_t, gfp_t); diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h index 83203ae9390b..d00e0bacda93 100644 --- a/include/linux/slab_def.h +++ b/include/linux/slab_def.h @@ -18,53 +18,25 @@ #include <trace/events/kmem.h> /* - * Enforce a minimum alignment for the kmalloc caches. - * Usually, the kmalloc caches are cache_line_size() aligned, except when - * DEBUG and FORCED_DEBUG are enabled, then they are BYTES_PER_WORD aligned. - * Some archs want to perform DMA into kmalloc caches and need a guaranteed - * alignment larger than the alignment of a 64-bit integer. - * ARCH_KMALLOC_MINALIGN allows that. - * Note that increasing this value may disable some debug features. - */ -#ifdef ARCH_DMA_MINALIGN -#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN -#else -#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long) -#endif - -#ifndef ARCH_SLAB_MINALIGN -/* - * Enforce a minimum alignment for all caches. - * Intended for archs that get misalignment faults even for BYTES_PER_WORD - * aligned buffers. Includes ARCH_KMALLOC_MINALIGN. - * If possible: Do not enable this flag for CONFIG_DEBUG_SLAB, it disables - * some debug features. - */ -#define ARCH_SLAB_MINALIGN 0 -#endif - -/* * struct kmem_cache * * manages a cache. */ struct kmem_cache { -/* 1) per-cpu data, touched during every alloc/free */ - struct array_cache *array[NR_CPUS]; -/* 2) Cache tunables. Protected by cache_chain_mutex */ +/* 1) Cache tunables. Protected by cache_chain_mutex */ unsigned int batchcount; unsigned int limit; unsigned int shared; unsigned int buffer_size; u32 reciprocal_buffer_size; -/* 3) touched by every alloc & free from the backend */ +/* 2) touched by every alloc & free from the backend */ unsigned int flags; /* constant flags */ unsigned int num; /* # of objs per slab */ -/* 4) cache_grow/shrink */ +/* 3) cache_grow/shrink */ /* order of pgs per slab (2^n) */ unsigned int gfporder; @@ -80,11 +52,11 @@ struct kmem_cache { /* constructor func */ void (*ctor)(void *obj); -/* 5) cache creation/removal */ +/* 4) cache creation/removal */ const char *name; struct list_head next; -/* 6) statistics */ +/* 5) statistics */ #ifdef CONFIG_DEBUG_SLAB unsigned long num_active; unsigned long num_allocations; @@ -111,16 +83,18 @@ struct kmem_cache { int obj_size; #endif /* CONFIG_DEBUG_SLAB */ +/* 6) per-cpu/per-node data, touched during every alloc/free */ /* - * We put nodelists[] at the end of kmem_cache, because we want to size - * this array to nr_node_ids slots instead of MAX_NUMNODES + * We put array[] at the end of kmem_cache, because we want to size + * this array to nr_cpu_ids slots instead of NR_CPUS * (see kmem_cache_init()) - * We still use [MAX_NUMNODES] and not [1] or [0] because cache_cache - * is statically defined, so we reserve the max number of nodes. + * We still use [NR_CPUS] and not [1] or [0] because cache_cache + * is statically defined, so we reserve the max number of cpus. */ - struct kmem_list3 *nodelists[MAX_NUMNODES]; + struct kmem_list3 **nodelists; + struct array_cache *array[NR_CPUS]; /* - * Do not add fields after nodelists[] + * Do not add fields after array[] */ }; diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h index 4382db09df4f..0ec00b39d006 100644 --- a/include/linux/slob_def.h +++ b/include/linux/slob_def.h @@ -1,16 +1,6 @@ #ifndef __LINUX_SLOB_DEF_H #define __LINUX_SLOB_DEF_H -#ifdef ARCH_DMA_MINALIGN -#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN -#else -#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long) -#endif - -#ifndef ARCH_SLAB_MINALIGN -#define ARCH_SLAB_MINALIGN __alignof__(unsigned long) -#endif - void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); static __always_inline void *kmem_cache_alloc(struct kmem_cache *cachep, diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index c8668d161dd8..4b35c06dfbc5 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -113,16 +113,6 @@ struct kmem_cache { #define KMALLOC_SHIFT_LOW ilog2(KMALLOC_MIN_SIZE) -#ifdef ARCH_DMA_MINALIGN -#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN -#else -#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long) -#endif - -#ifndef ARCH_SLAB_MINALIGN -#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) -#endif - /* * Maximum kmalloc object size handled by SLUB. Larger object allocations * are passed through to the page allocator. The page allocator "fastpath" @@ -228,6 +218,19 @@ kmalloc_order(size_t size, gfp_t flags, unsigned int order) return ret; } +/** + * Calling this on allocated memory will check that the memory + * is expected to be in use, and print warnings if not. + */ +#ifdef CONFIG_SLUB_DEBUG +extern bool verify_mem_not_deleted(const void *x); +#else +static inline bool verify_mem_not_deleted(const void *x) +{ + return true; +} +#endif + #ifdef CONFIG_TRACING extern void * kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size); diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 1562c4ff3a65..2884e3e69cb1 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -173,16 +173,20 @@ struct v4l2_subdev_core_ops { struct v4l2_event_subscription *sub); }; -/* s_mode: switch the tuner to a specific tuner mode. Replacement of s_radio. +/* s_radio: v4l device was opened in radio mode. - s_radio: v4l device was opened in Radio mode, to be replaced by s_mode. + g_frequency: freq->type must be filled in. Normally done by video_ioctl2 + or the bridge driver. + + g_tuner: + s_tuner: vt->type must be filled in. Normally done by video_ioctl2 or the + bridge driver. s_type_addr: sets tuner type and its I2C addr. s_config: sets tda9887 specific stuff, like port1, port2 and qss */ struct v4l2_subdev_tuner_ops { - int (*s_mode)(struct v4l2_subdev *sd, enum v4l2_tuner_type); int (*s_radio)(struct v4l2_subdev *sd); int (*s_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq); int (*g_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq); diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h index dd6847e5d6e4..6506458ccd33 100644 --- a/include/net/sctp/command.h +++ b/include/net/sctp/command.h @@ -63,6 +63,7 @@ typedef enum { SCTP_CMD_ECN_ECNE, /* Do delayed ECNE processing. */ SCTP_CMD_ECN_CWR, /* Do delayed CWR processing. */ SCTP_CMD_TIMER_START, /* Start a timer. */ + SCTP_CMD_TIMER_START_ONCE, /* Start a timer once */ SCTP_CMD_TIMER_RESTART, /* Restart a timer. */ SCTP_CMD_TIMER_STOP, /* Stop a timer. */ SCTP_CMD_INIT_CHOOSE_TRANSPORT, /* Choose transport for an INIT. */ diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h index 99b027b2adce..ca4693b4e09e 100644 --- a/include/net/sctp/ulpevent.h +++ b/include/net/sctp/ulpevent.h @@ -80,7 +80,7 @@ static inline struct sctp_ulpevent *sctp_skb2event(struct sk_buff *skb) void sctp_ulpevent_free(struct sctp_ulpevent *); int sctp_ulpevent_is_notification(const struct sctp_ulpevent *); -void sctp_queue_purge_ulpevents(struct sk_buff_head *list); +unsigned int sctp_queue_purge_ulpevents(struct sk_buff_head *list); struct sctp_ulpevent *sctp_ulpevent_make_assoc_change( const struct sctp_association *asoc, diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c index 31a9db711906..3a2cab407b93 100644 --- a/kernel/irq/generic-chip.c +++ b/kernel/irq/generic-chip.c @@ -101,10 +101,10 @@ void irq_gc_unmask_enable_reg(struct irq_data *d) } /** - * irq_gc_ack - Ack pending interrupt + * irq_gc_ack_set_bit - Ack pending interrupt via setting bit * @d: irq_data */ -void irq_gc_ack(struct irq_data *d) +void irq_gc_ack_set_bit(struct irq_data *d) { struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); u32 mask = 1 << (d->irq - gc->irq_base); @@ -115,6 +115,20 @@ void irq_gc_ack(struct irq_data *d) } /** + * irq_gc_ack_clr_bit - Ack pending interrupt via clearing bit + * @d: irq_data + */ +void irq_gc_ack_clr_bit(struct irq_data *d) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + u32 mask = ~(1 << (d->irq - gc->irq_base)); + + irq_gc_lock(gc); + irq_reg_writel(mask, gc->reg_base + cur_regs(d)->ack); + irq_gc_unlock(gc); +} + +/** * irq_gc_mask_disable_reg_and_ack- Mask and ack pending interrupt * @d: irq_data */ diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index ace55889f702..06efa54f93d6 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -1211,7 +1211,11 @@ static void free_unnecessary_pages(void) to_free_highmem = alloc_highmem - save; } else { to_free_highmem = 0; - to_free_normal -= save - alloc_highmem; + save -= alloc_highmem; + if (to_free_normal > save) + to_free_normal -= save; + else + to_free_normal = 0; } memory_bm_position_reset(©_bm); diff --git a/kernel/rcutree.c b/kernel/rcutree.c index 7e59ffb3d0ba..ba06207b1dd3 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -84,9 +84,32 @@ DEFINE_PER_CPU(struct rcu_data, rcu_bh_data); static struct rcu_state *rcu_state; +/* + * The rcu_scheduler_active variable transitions from zero to one just + * before the first task is spawned. So when this variable is zero, RCU + * can assume that there is but one task, allowing RCU to (for example) + * optimized synchronize_sched() to a simple barrier(). When this variable + * is one, RCU must actually do all the hard work required to detect real + * grace periods. This variable is also used to suppress boot-time false + * positives from lockdep-RCU error checking. + */ int rcu_scheduler_active __read_mostly; EXPORT_SYMBOL_GPL(rcu_scheduler_active); +/* + * The rcu_scheduler_fully_active variable transitions from zero to one + * during the early_initcall() processing, which is after the scheduler + * is capable of creating new tasks. So RCU processing (for example, + * creating tasks for RCU priority boosting) must be delayed until after + * rcu_scheduler_fully_active transitions from zero to one. We also + * currently delay invocation of any RCU callbacks until after this point. + * + * It might later prove better for people registering RCU callbacks during + * early boot to take responsibility for these callbacks, but one step at + * a time. + */ +static int rcu_scheduler_fully_active __read_mostly; + #ifdef CONFIG_RCU_BOOST /* @@ -98,7 +121,6 @@ DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_status); DEFINE_PER_CPU(int, rcu_cpu_kthread_cpu); DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_loops); DEFINE_PER_CPU(char, rcu_cpu_has_work); -static char rcu_kthreads_spawnable; #endif /* #ifdef CONFIG_RCU_BOOST */ @@ -1467,6 +1489,8 @@ static void rcu_process_callbacks(struct softirq_action *unused) */ static void invoke_rcu_callbacks(struct rcu_state *rsp, struct rcu_data *rdp) { + if (unlikely(!ACCESS_ONCE(rcu_scheduler_fully_active))) + return; if (likely(!rsp->boost)) { rcu_do_batch(rsp, rdp); return; diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h index 14dc7dd00902..8aafbb80b8b0 100644 --- a/kernel/rcutree_plugin.h +++ b/kernel/rcutree_plugin.h @@ -68,6 +68,7 @@ struct rcu_state rcu_preempt_state = RCU_STATE_INITIALIZER(rcu_preempt_state); DEFINE_PER_CPU(struct rcu_data, rcu_preempt_data); static struct rcu_state *rcu_state = &rcu_preempt_state; +static void rcu_read_unlock_special(struct task_struct *t); static int rcu_preempted_readers_exp(struct rcu_node *rnp); /* @@ -147,7 +148,7 @@ static void rcu_preempt_note_context_switch(int cpu) struct rcu_data *rdp; struct rcu_node *rnp; - if (t->rcu_read_lock_nesting && + if (t->rcu_read_lock_nesting > 0 && (t->rcu_read_unlock_special & RCU_READ_UNLOCK_BLOCKED) == 0) { /* Possibly blocking in an RCU read-side critical section. */ @@ -190,6 +191,14 @@ static void rcu_preempt_note_context_switch(int cpu) rnp->gp_tasks = &t->rcu_node_entry; } raw_spin_unlock_irqrestore(&rnp->lock, flags); + } else if (t->rcu_read_lock_nesting < 0 && + t->rcu_read_unlock_special) { + + /* + * Complete exit from RCU read-side critical section on + * behalf of preempted instance of __rcu_read_unlock(). + */ + rcu_read_unlock_special(t); } /* @@ -284,7 +293,7 @@ static struct list_head *rcu_next_node_entry(struct task_struct *t, * notify RCU core processing or task having blocked during the RCU * read-side critical section. */ -static void rcu_read_unlock_special(struct task_struct *t) +static noinline void rcu_read_unlock_special(struct task_struct *t) { int empty; int empty_exp; @@ -309,7 +318,7 @@ static void rcu_read_unlock_special(struct task_struct *t) } /* Hardware IRQ handlers cannot block. */ - if (in_irq()) { + if (in_irq() || in_serving_softirq()) { local_irq_restore(flags); return; } @@ -342,6 +351,11 @@ static void rcu_read_unlock_special(struct task_struct *t) #ifdef CONFIG_RCU_BOOST if (&t->rcu_node_entry == rnp->boost_tasks) rnp->boost_tasks = np; + /* Snapshot and clear ->rcu_boosted with rcu_node lock held. */ + if (t->rcu_boosted) { + special |= RCU_READ_UNLOCK_BOOSTED; + t->rcu_boosted = 0; + } #endif /* #ifdef CONFIG_RCU_BOOST */ t->rcu_blocked_node = NULL; @@ -358,7 +372,6 @@ static void rcu_read_unlock_special(struct task_struct *t) #ifdef CONFIG_RCU_BOOST /* Unboost if we were boosted. */ if (special & RCU_READ_UNLOCK_BOOSTED) { - t->rcu_read_unlock_special &= ~RCU_READ_UNLOCK_BOOSTED; rt_mutex_unlock(t->rcu_boost_mutex); t->rcu_boost_mutex = NULL; } @@ -387,13 +400,22 @@ void __rcu_read_unlock(void) struct task_struct *t = current; barrier(); /* needed if we ever invoke rcu_read_unlock in rcutree.c */ - --t->rcu_read_lock_nesting; - barrier(); /* decrement before load of ->rcu_read_unlock_special */ - if (t->rcu_read_lock_nesting == 0 && - unlikely(ACCESS_ONCE(t->rcu_read_unlock_special))) - rcu_read_unlock_special(t); + if (t->rcu_read_lock_nesting != 1) + --t->rcu_read_lock_nesting; + else { + t->rcu_read_lock_nesting = INT_MIN; + barrier(); /* assign before ->rcu_read_unlock_special load */ + if (unlikely(ACCESS_ONCE(t->rcu_read_unlock_special))) + rcu_read_unlock_special(t); + barrier(); /* ->rcu_read_unlock_special load before assign */ + t->rcu_read_lock_nesting = 0; + } #ifdef CONFIG_PROVE_LOCKING - WARN_ON_ONCE(ACCESS_ONCE(t->rcu_read_lock_nesting) < 0); + { + int rrln = ACCESS_ONCE(t->rcu_read_lock_nesting); + + WARN_ON_ONCE(rrln < 0 && rrln > INT_MIN / 2); + } #endif /* #ifdef CONFIG_PROVE_LOCKING */ } EXPORT_SYMBOL_GPL(__rcu_read_unlock); @@ -589,7 +611,8 @@ static void rcu_preempt_check_callbacks(int cpu) rcu_preempt_qs(cpu); return; } - if (per_cpu(rcu_preempt_data, cpu).qs_pending) + if (t->rcu_read_lock_nesting > 0 && + per_cpu(rcu_preempt_data, cpu).qs_pending) t->rcu_read_unlock_special |= RCU_READ_UNLOCK_NEED_QS; } @@ -695,9 +718,12 @@ static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp) raw_spin_lock_irqsave(&rnp->lock, flags); for (;;) { - if (!sync_rcu_preempt_exp_done(rnp)) + if (!sync_rcu_preempt_exp_done(rnp)) { + raw_spin_unlock_irqrestore(&rnp->lock, flags); break; + } if (rnp->parent == NULL) { + raw_spin_unlock_irqrestore(&rnp->lock, flags); wake_up(&sync_rcu_preempt_exp_wq); break; } @@ -707,7 +733,6 @@ static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp) raw_spin_lock(&rnp->lock); /* irqs already disabled */ rnp->expmask &= ~mask; } - raw_spin_unlock_irqrestore(&rnp->lock, flags); } /* @@ -1174,7 +1199,7 @@ static int rcu_boost(struct rcu_node *rnp) t = container_of(tb, struct task_struct, rcu_node_entry); rt_mutex_init_proxy_locked(&mtx, t); t->rcu_boost_mutex = &mtx; - t->rcu_read_unlock_special |= RCU_READ_UNLOCK_BOOSTED; + t->rcu_boosted = 1; raw_spin_unlock_irqrestore(&rnp->lock, flags); rt_mutex_lock(&mtx); /* Side effect: boosts task t's priority. */ rt_mutex_unlock(&mtx); /* Keep lockdep happy. */ @@ -1532,7 +1557,7 @@ static int __cpuinit rcu_spawn_one_cpu_kthread(int cpu) struct sched_param sp; struct task_struct *t; - if (!rcu_kthreads_spawnable || + if (!rcu_scheduler_fully_active || per_cpu(rcu_cpu_kthread_task, cpu) != NULL) return 0; t = kthread_create(rcu_cpu_kthread, (void *)(long)cpu, "rcuc%d", cpu); @@ -1639,7 +1664,7 @@ static int __cpuinit rcu_spawn_one_node_kthread(struct rcu_state *rsp, struct sched_param sp; struct task_struct *t; - if (!rcu_kthreads_spawnable || + if (!rcu_scheduler_fully_active || rnp->qsmaskinit == 0) return 0; if (rnp->node_kthread_task == NULL) { @@ -1665,7 +1690,7 @@ static int __init rcu_spawn_kthreads(void) int cpu; struct rcu_node *rnp; - rcu_kthreads_spawnable = 1; + rcu_scheduler_fully_active = 1; for_each_possible_cpu(cpu) { per_cpu(rcu_cpu_has_work, cpu) = 0; if (cpu_online(cpu)) @@ -1687,7 +1712,7 @@ static void __cpuinit rcu_prepare_kthreads(int cpu) struct rcu_node *rnp = rdp->mynode; /* Fire up the incoming CPU's kthread and leaf rcu_node kthread. */ - if (rcu_kthreads_spawnable) { + if (rcu_scheduler_fully_active) { (void)rcu_spawn_one_cpu_kthread(cpu); if (rnp->node_kthread_task == NULL) (void)rcu_spawn_one_node_kthread(rcu_state, rnp); @@ -1726,6 +1751,13 @@ static void rcu_cpu_kthread_setrt(int cpu, int to_rt) { } +static int __init rcu_scheduler_really_started(void) +{ + rcu_scheduler_fully_active = 1; + return 0; +} +early_initcall(rcu_scheduler_really_started); + static void __cpuinit rcu_prepare_kthreads(int cpu) { } diff --git a/kernel/sched.c b/kernel/sched.c index 9769c756ad66..fde6ff903525 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2544,13 +2544,9 @@ static int ttwu_remote(struct task_struct *p, int wake_flags) } #ifdef CONFIG_SMP -static void sched_ttwu_pending(void) +static void sched_ttwu_do_pending(struct task_struct *list) { struct rq *rq = this_rq(); - struct task_struct *list = xchg(&rq->wake_list, NULL); - - if (!list) - return; raw_spin_lock(&rq->lock); @@ -2563,9 +2559,45 @@ static void sched_ttwu_pending(void) raw_spin_unlock(&rq->lock); } +#ifdef CONFIG_HOTPLUG_CPU + +static void sched_ttwu_pending(void) +{ + struct rq *rq = this_rq(); + struct task_struct *list = xchg(&rq->wake_list, NULL); + + if (!list) + return; + + sched_ttwu_do_pending(list); +} + +#endif /* CONFIG_HOTPLUG_CPU */ + void scheduler_ipi(void) { - sched_ttwu_pending(); + struct rq *rq = this_rq(); + struct task_struct *list = xchg(&rq->wake_list, NULL); + + if (!list) + return; + + /* + * Not all reschedule IPI handlers call irq_enter/irq_exit, since + * traditionally all their work was done from the interrupt return + * path. Now that we actually do some work, we need to make sure + * we do call them. + * + * Some archs already do call them, luckily irq_enter/exit nest + * properly. + * + * Arguably we should visit all archs and update all handlers, + * however a fair share of IPIs are still resched only so this would + * somewhat pessimize the simple resched case. + */ + irq_enter(); + sched_ttwu_do_pending(list); + irq_exit(); } static void ttwu_queue_remote(struct task_struct *p, int cpu) @@ -6557,7 +6589,7 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level, break; } - if (!group->cpu_power) { + if (!group->sgp->power) { printk(KERN_CONT "\n"); printk(KERN_ERR "ERROR: domain->cpu_power not " "set\n"); @@ -6581,9 +6613,9 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level, cpulist_scnprintf(str, sizeof(str), sched_group_cpus(group)); printk(KERN_CONT " %s", str); - if (group->cpu_power != SCHED_POWER_SCALE) { + if (group->sgp->power != SCHED_POWER_SCALE) { printk(KERN_CONT " (cpu_power = %d)", - group->cpu_power); + group->sgp->power); } group = group->next; @@ -6774,11 +6806,39 @@ static struct root_domain *alloc_rootdomain(void) return rd; } +static void free_sched_groups(struct sched_group *sg, int free_sgp) +{ + struct sched_group *tmp, *first; + + if (!sg) + return; + + first = sg; + do { + tmp = sg->next; + + if (free_sgp && atomic_dec_and_test(&sg->sgp->ref)) + kfree(sg->sgp); + + kfree(sg); + sg = tmp; + } while (sg != first); +} + static void free_sched_domain(struct rcu_head *rcu) { struct sched_domain *sd = container_of(rcu, struct sched_domain, rcu); - if (atomic_dec_and_test(&sd->groups->ref)) + + /* + * If its an overlapping domain it has private groups, iterate and + * nuke them all. + */ + if (sd->flags & SD_OVERLAP) { + free_sched_groups(sd->groups, 1); + } else if (atomic_dec_and_test(&sd->groups->ref)) { + kfree(sd->groups->sgp); kfree(sd->groups); + } kfree(sd); } @@ -6945,6 +7005,7 @@ int sched_smt_power_savings = 0, sched_mc_power_savings = 0; struct sd_data { struct sched_domain **__percpu sd; struct sched_group **__percpu sg; + struct sched_group_power **__percpu sgp; }; struct s_data { @@ -6964,15 +7025,73 @@ struct sched_domain_topology_level; typedef struct sched_domain *(*sched_domain_init_f)(struct sched_domain_topology_level *tl, int cpu); typedef const struct cpumask *(*sched_domain_mask_f)(int cpu); +#define SDTL_OVERLAP 0x01 + struct sched_domain_topology_level { sched_domain_init_f init; sched_domain_mask_f mask; + int flags; struct sd_data data; }; -/* - * Assumes the sched_domain tree is fully constructed - */ +static int +build_overlap_sched_groups(struct sched_domain *sd, int cpu) +{ + struct sched_group *first = NULL, *last = NULL, *groups = NULL, *sg; + const struct cpumask *span = sched_domain_span(sd); + struct cpumask *covered = sched_domains_tmpmask; + struct sd_data *sdd = sd->private; + struct sched_domain *child; + int i; + + cpumask_clear(covered); + + for_each_cpu(i, span) { + struct cpumask *sg_span; + + if (cpumask_test_cpu(i, covered)) + continue; + + sg = kzalloc_node(sizeof(struct sched_group) + cpumask_size(), + GFP_KERNEL, cpu_to_node(i)); + + if (!sg) + goto fail; + + sg_span = sched_group_cpus(sg); + + child = *per_cpu_ptr(sdd->sd, i); + if (child->child) { + child = child->child; + cpumask_copy(sg_span, sched_domain_span(child)); + } else + cpumask_set_cpu(i, sg_span); + + cpumask_or(covered, covered, sg_span); + + sg->sgp = *per_cpu_ptr(sdd->sgp, cpumask_first(sg_span)); + atomic_inc(&sg->sgp->ref); + + if (cpumask_test_cpu(cpu, sg_span)) + groups = sg; + + if (!first) + first = sg; + if (last) + last->next = sg; + last = sg; + last->next = first; + } + sd->groups = groups; + + return 0; + +fail: + free_sched_groups(first, 0); + + return -ENOMEM; +} + static int get_group(int cpu, struct sd_data *sdd, struct sched_group **sg) { struct sched_domain *sd = *per_cpu_ptr(sdd->sd, cpu); @@ -6981,24 +7100,24 @@ static int get_group(int cpu, struct sd_data *sdd, struct sched_group **sg) if (child) cpu = cpumask_first(sched_domain_span(child)); - if (sg) + if (sg) { *sg = *per_cpu_ptr(sdd->sg, cpu); + (*sg)->sgp = *per_cpu_ptr(sdd->sgp, cpu); + atomic_set(&(*sg)->sgp->ref, 1); /* for claim_allocations */ + } return cpu; } /* - * build_sched_groups takes the cpumask we wish to span, and a pointer - * to a function which identifies what group(along with sched group) a CPU - * belongs to. The return value of group_fn must be a >= 0 and < nr_cpu_ids - * (due to the fact that we keep track of groups covered with a struct cpumask). - * * build_sched_groups will build a circular linked list of the groups * covered by the given span, and will set each group's ->cpumask correctly, * and ->cpu_power to 0. + * + * Assumes the sched_domain tree is fully constructed */ -static void -build_sched_groups(struct sched_domain *sd) +static int +build_sched_groups(struct sched_domain *sd, int cpu) { struct sched_group *first = NULL, *last = NULL; struct sd_data *sdd = sd->private; @@ -7006,6 +7125,12 @@ build_sched_groups(struct sched_domain *sd) struct cpumask *covered; int i; + get_group(cpu, sdd, &sd->groups); + atomic_inc(&sd->groups->ref); + + if (cpu != cpumask_first(sched_domain_span(sd))) + return 0; + lockdep_assert_held(&sched_domains_mutex); covered = sched_domains_tmpmask; @@ -7020,7 +7145,7 @@ build_sched_groups(struct sched_domain *sd) continue; cpumask_clear(sched_group_cpus(sg)); - sg->cpu_power = 0; + sg->sgp->power = 0; for_each_cpu(j, span) { if (get_group(j, sdd, NULL) != group) @@ -7037,6 +7162,8 @@ build_sched_groups(struct sched_domain *sd) last = sg; } last->next = first; + + return 0; } /* @@ -7051,12 +7178,17 @@ build_sched_groups(struct sched_domain *sd) */ static void init_sched_groups_power(int cpu, struct sched_domain *sd) { - WARN_ON(!sd || !sd->groups); + struct sched_group *sg = sd->groups; - if (cpu != group_first_cpu(sd->groups)) - return; + WARN_ON(!sd || !sg); + + do { + sg->group_weight = cpumask_weight(sched_group_cpus(sg)); + sg = sg->next; + } while (sg != sd->groups); - sd->groups->group_weight = cpumask_weight(sched_group_cpus(sd->groups)); + if (cpu != group_first_cpu(sg)) + return; update_group_power(sd, cpu); } @@ -7177,15 +7309,15 @@ static enum s_alloc __visit_domain_allocation_hell(struct s_data *d, static void claim_allocations(int cpu, struct sched_domain *sd) { struct sd_data *sdd = sd->private; - struct sched_group *sg = sd->groups; WARN_ON_ONCE(*per_cpu_ptr(sdd->sd, cpu) != sd); *per_cpu_ptr(sdd->sd, cpu) = NULL; - if (cpu == cpumask_first(sched_group_cpus(sg))) { - WARN_ON_ONCE(*per_cpu_ptr(sdd->sg, cpu) != sg); + if (atomic_read(&(*per_cpu_ptr(sdd->sg, cpu))->ref)) *per_cpu_ptr(sdd->sg, cpu) = NULL; - } + + if (atomic_read(&(*per_cpu_ptr(sdd->sgp, cpu))->ref)) + *per_cpu_ptr(sdd->sgp, cpu) = NULL; } #ifdef CONFIG_SCHED_SMT @@ -7210,7 +7342,7 @@ static struct sched_domain_topology_level default_topology[] = { #endif { sd_init_CPU, cpu_cpu_mask, }, #ifdef CONFIG_NUMA - { sd_init_NODE, cpu_node_mask, }, + { sd_init_NODE, cpu_node_mask, SDTL_OVERLAP, }, { sd_init_ALLNODES, cpu_allnodes_mask, }, #endif { NULL, }, @@ -7234,9 +7366,14 @@ static int __sdt_alloc(const struct cpumask *cpu_map) if (!sdd->sg) return -ENOMEM; + sdd->sgp = alloc_percpu(struct sched_group_power *); + if (!sdd->sgp) + return -ENOMEM; + for_each_cpu(j, cpu_map) { struct sched_domain *sd; struct sched_group *sg; + struct sched_group_power *sgp; sd = kzalloc_node(sizeof(struct sched_domain) + cpumask_size(), GFP_KERNEL, cpu_to_node(j)); @@ -7251,6 +7388,13 @@ static int __sdt_alloc(const struct cpumask *cpu_map) return -ENOMEM; *per_cpu_ptr(sdd->sg, j) = sg; + + sgp = kzalloc_node(sizeof(struct sched_group_power), + GFP_KERNEL, cpu_to_node(j)); + if (!sgp) + return -ENOMEM; + + *per_cpu_ptr(sdd->sgp, j) = sgp; } } @@ -7266,11 +7410,15 @@ static void __sdt_free(const struct cpumask *cpu_map) struct sd_data *sdd = &tl->data; for_each_cpu(j, cpu_map) { - kfree(*per_cpu_ptr(sdd->sd, j)); + struct sched_domain *sd = *per_cpu_ptr(sdd->sd, j); + if (sd && (sd->flags & SD_OVERLAP)) + free_sched_groups(sd->groups, 0); kfree(*per_cpu_ptr(sdd->sg, j)); + kfree(*per_cpu_ptr(sdd->sgp, j)); } free_percpu(sdd->sd); free_percpu(sdd->sg); + free_percpu(sdd->sgp); } } @@ -7316,8 +7464,13 @@ static int build_sched_domains(const struct cpumask *cpu_map, struct sched_domain_topology_level *tl; sd = NULL; - for (tl = sched_domain_topology; tl->init; tl++) + for (tl = sched_domain_topology; tl->init; tl++) { sd = build_sched_domain(tl, &d, cpu_map, attr, sd, i); + if (tl->flags & SDTL_OVERLAP || sched_feat(FORCE_SD_OVERLAP)) + sd->flags |= SD_OVERLAP; + if (cpumask_equal(cpu_map, sched_domain_span(sd))) + break; + } while (sd->child) sd = sd->child; @@ -7329,13 +7482,13 @@ static int build_sched_domains(const struct cpumask *cpu_map, for_each_cpu(i, cpu_map) { for (sd = *per_cpu_ptr(d.sd, i); sd; sd = sd->parent) { sd->span_weight = cpumask_weight(sched_domain_span(sd)); - get_group(i, sd->private, &sd->groups); - atomic_inc(&sd->groups->ref); - - if (i != cpumask_first(sched_domain_span(sd))) - continue; - - build_sched_groups(sd); + if (sd->flags & SD_OVERLAP) { + if (build_overlap_sched_groups(sd, i)) + goto error; + } else { + if (build_sched_groups(sd, i)) + goto error; + } } } @@ -7757,6 +7910,9 @@ static void init_cfs_rq(struct cfs_rq *cfs_rq, struct rq *rq) #endif #endif cfs_rq->min_vruntime = (u64)(-(1LL << 20)); +#ifndef CONFIG_64BIT + cfs_rq->min_vruntime_copy = cfs_rq->min_vruntime; +#endif } static void init_rt_rq(struct rt_rq *rt_rq, struct rq *rq) diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 433491c2dc8f..c768588e180b 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -1585,7 +1585,7 @@ find_idlest_group(struct sched_domain *sd, struct task_struct *p, } /* Adjust by relative CPU power of the group */ - avg_load = (avg_load * SCHED_POWER_SCALE) / group->cpu_power; + avg_load = (avg_load * SCHED_POWER_SCALE) / group->sgp->power; if (local_group) { this_load = avg_load; @@ -2631,7 +2631,7 @@ static void update_cpu_power(struct sched_domain *sd, int cpu) power >>= SCHED_POWER_SHIFT; } - sdg->cpu_power_orig = power; + sdg->sgp->power_orig = power; if (sched_feat(ARCH_POWER)) power *= arch_scale_freq_power(sd, cpu); @@ -2647,7 +2647,7 @@ static void update_cpu_power(struct sched_domain *sd, int cpu) power = 1; cpu_rq(cpu)->cpu_power = power; - sdg->cpu_power = power; + sdg->sgp->power = power; } static void update_group_power(struct sched_domain *sd, int cpu) @@ -2665,11 +2665,11 @@ static void update_group_power(struct sched_domain *sd, int cpu) group = child->groups; do { - power += group->cpu_power; + power += group->sgp->power; group = group->next; } while (group != child->groups); - sdg->cpu_power = power; + sdg->sgp->power = power; } /* @@ -2691,7 +2691,7 @@ fix_small_capacity(struct sched_domain *sd, struct sched_group *group) /* * If ~90% of the cpu_power is still there, we're good. */ - if (group->cpu_power * 32 > group->cpu_power_orig * 29) + if (group->sgp->power * 32 > group->sgp->power_orig * 29) return 1; return 0; @@ -2771,7 +2771,7 @@ static inline void update_sg_lb_stats(struct sched_domain *sd, } /* Adjust by relative CPU power of the group */ - sgs->avg_load = (sgs->group_load*SCHED_POWER_SCALE) / group->cpu_power; + sgs->avg_load = (sgs->group_load*SCHED_POWER_SCALE) / group->sgp->power; /* * Consider the group unbalanced when the imbalance is larger @@ -2788,7 +2788,7 @@ static inline void update_sg_lb_stats(struct sched_domain *sd, if ((max_cpu_load - min_cpu_load) >= avg_load_per_task && max_nr_running > 1) sgs->group_imb = 1; - sgs->group_capacity = DIV_ROUND_CLOSEST(group->cpu_power, + sgs->group_capacity = DIV_ROUND_CLOSEST(group->sgp->power, SCHED_POWER_SCALE); if (!sgs->group_capacity) sgs->group_capacity = fix_small_capacity(sd, group); @@ -2877,7 +2877,7 @@ static inline void update_sd_lb_stats(struct sched_domain *sd, int this_cpu, return; sds->total_load += sgs.group_load; - sds->total_pwr += sg->cpu_power; + sds->total_pwr += sg->sgp->power; /* * In case the child domain prefers tasks go to siblings @@ -2962,7 +2962,7 @@ static int check_asym_packing(struct sched_domain *sd, if (this_cpu > busiest_cpu) return 0; - *imbalance = DIV_ROUND_CLOSEST(sds->max_load * sds->busiest->cpu_power, + *imbalance = DIV_ROUND_CLOSEST(sds->max_load * sds->busiest->sgp->power, SCHED_POWER_SCALE); return 1; } @@ -2993,7 +2993,7 @@ static inline void fix_small_imbalance(struct sd_lb_stats *sds, scaled_busy_load_per_task = sds->busiest_load_per_task * SCHED_POWER_SCALE; - scaled_busy_load_per_task /= sds->busiest->cpu_power; + scaled_busy_load_per_task /= sds->busiest->sgp->power; if (sds->max_load - sds->this_load + scaled_busy_load_per_task >= (scaled_busy_load_per_task * imbn)) { @@ -3007,28 +3007,28 @@ static inline void fix_small_imbalance(struct sd_lb_stats *sds, * moving them. */ - pwr_now += sds->busiest->cpu_power * + pwr_now += sds->busiest->sgp->power * min(sds->busiest_load_per_task, sds->max_load); - pwr_now += sds->this->cpu_power * + pwr_now += sds->this->sgp->power * min(sds->this_load_per_task, sds->this_load); pwr_now /= SCHED_POWER_SCALE; /* Amount of load we'd subtract */ tmp = (sds->busiest_load_per_task * SCHED_POWER_SCALE) / - sds->busiest->cpu_power; + sds->busiest->sgp->power; if (sds->max_load > tmp) - pwr_move += sds->busiest->cpu_power * + pwr_move += sds->busiest->sgp->power * min(sds->busiest_load_per_task, sds->max_load - tmp); /* Amount of load we'd add */ - if (sds->max_load * sds->busiest->cpu_power < + if (sds->max_load * sds->busiest->sgp->power < sds->busiest_load_per_task * SCHED_POWER_SCALE) - tmp = (sds->max_load * sds->busiest->cpu_power) / - sds->this->cpu_power; + tmp = (sds->max_load * sds->busiest->sgp->power) / + sds->this->sgp->power; else tmp = (sds->busiest_load_per_task * SCHED_POWER_SCALE) / - sds->this->cpu_power; - pwr_move += sds->this->cpu_power * + sds->this->sgp->power; + pwr_move += sds->this->sgp->power * min(sds->this_load_per_task, sds->this_load + tmp); pwr_move /= SCHED_POWER_SCALE; @@ -3074,7 +3074,7 @@ static inline void calculate_imbalance(struct sd_lb_stats *sds, int this_cpu, load_above_capacity *= (SCHED_LOAD_SCALE * SCHED_POWER_SCALE); - load_above_capacity /= sds->busiest->cpu_power; + load_above_capacity /= sds->busiest->sgp->power; } /* @@ -3090,8 +3090,8 @@ static inline void calculate_imbalance(struct sd_lb_stats *sds, int this_cpu, max_pull = min(sds->max_load - sds->avg_load, load_above_capacity); /* How much load to actually move to equalise the imbalance */ - *imbalance = min(max_pull * sds->busiest->cpu_power, - (sds->avg_load - sds->this_load) * sds->this->cpu_power) + *imbalance = min(max_pull * sds->busiest->sgp->power, + (sds->avg_load - sds->this_load) * sds->this->sgp->power) / SCHED_POWER_SCALE; /* diff --git a/kernel/sched_features.h b/kernel/sched_features.h index be40f7371ee1..1e7066d76c26 100644 --- a/kernel/sched_features.h +++ b/kernel/sched_features.h @@ -70,3 +70,5 @@ SCHED_FEAT(NONIRQ_POWER, 1) * using the scheduler IPI. Reduces rq->lock contention/bounces. */ SCHED_FEAT(TTWU_QUEUE, 1) + +SCHED_FEAT(FORCE_SD_OVERLAP, 0) diff --git a/kernel/signal.c b/kernel/signal.c index ff7678603328..415d85d6f6c6 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1178,18 +1178,25 @@ struct sighand_struct *__lock_task_sighand(struct task_struct *tsk, { struct sighand_struct *sighand; - rcu_read_lock(); for (;;) { + local_irq_save(*flags); + rcu_read_lock(); sighand = rcu_dereference(tsk->sighand); - if (unlikely(sighand == NULL)) + if (unlikely(sighand == NULL)) { + rcu_read_unlock(); + local_irq_restore(*flags); break; + } - spin_lock_irqsave(&sighand->siglock, *flags); - if (likely(sighand == tsk->sighand)) + spin_lock(&sighand->siglock); + if (likely(sighand == tsk->sighand)) { + rcu_read_unlock(); break; - spin_unlock_irqrestore(&sighand->siglock, *flags); + } + spin_unlock(&sighand->siglock); + rcu_read_unlock(); + local_irq_restore(*flags); } - rcu_read_unlock(); return sighand; } diff --git a/kernel/softirq.c b/kernel/softirq.c index 40cf63ddd4b3..fca82c32042b 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -315,16 +315,24 @@ static inline void invoke_softirq(void) { if (!force_irqthreads) __do_softirq(); - else + else { + __local_bh_disable((unsigned long)__builtin_return_address(0), + SOFTIRQ_OFFSET); wakeup_softirqd(); + __local_bh_enable(SOFTIRQ_OFFSET); + } } #else static inline void invoke_softirq(void) { if (!force_irqthreads) do_softirq(); - else + else { + __local_bh_disable((unsigned long)__builtin_return_address(0), + SOFTIRQ_OFFSET); wakeup_softirqd(); + __local_bh_enable(SOFTIRQ_OFFSET); + } } #endif diff --git a/mm/memcontrol.c b/mm/memcontrol.c index ddffc74cdebe..e013b8e57d25 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -108,10 +108,12 @@ enum mem_cgroup_events_index { enum mem_cgroup_events_target { MEM_CGROUP_TARGET_THRESH, MEM_CGROUP_TARGET_SOFTLIMIT, + MEM_CGROUP_TARGET_NUMAINFO, MEM_CGROUP_NTARGETS, }; #define THRESHOLDS_EVENTS_TARGET (128) #define SOFTLIMIT_EVENTS_TARGET (1024) +#define NUMAINFO_EVENTS_TARGET (1024) struct mem_cgroup_stat_cpu { long count[MEM_CGROUP_STAT_NSTATS]; @@ -237,7 +239,8 @@ struct mem_cgroup { int last_scanned_node; #if MAX_NUMNODES > 1 nodemask_t scan_nodes; - unsigned long next_scan_node_update; + atomic_t numainfo_events; + atomic_t numainfo_updating; #endif /* * Should the accounting and control be hierarchical, per subtree? @@ -577,15 +580,6 @@ static long mem_cgroup_read_stat(struct mem_cgroup *mem, return val; } -static long mem_cgroup_local_usage(struct mem_cgroup *mem) -{ - long ret; - - ret = mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_RSS); - ret += mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_CACHE); - return ret; -} - static void mem_cgroup_swap_statistics(struct mem_cgroup *mem, bool charge) { @@ -689,6 +683,9 @@ static void __mem_cgroup_target_update(struct mem_cgroup *mem, int target) case MEM_CGROUP_TARGET_SOFTLIMIT: next = val + SOFTLIMIT_EVENTS_TARGET; break; + case MEM_CGROUP_TARGET_NUMAINFO: + next = val + NUMAINFO_EVENTS_TARGET; + break; default: return; } @@ -707,11 +704,19 @@ static void memcg_check_events(struct mem_cgroup *mem, struct page *page) mem_cgroup_threshold(mem); __mem_cgroup_target_update(mem, MEM_CGROUP_TARGET_THRESH); if (unlikely(__memcg_event_check(mem, - MEM_CGROUP_TARGET_SOFTLIMIT))){ + MEM_CGROUP_TARGET_SOFTLIMIT))) { mem_cgroup_update_tree(mem, page); __mem_cgroup_target_update(mem, - MEM_CGROUP_TARGET_SOFTLIMIT); + MEM_CGROUP_TARGET_SOFTLIMIT); + } +#if MAX_NUMNODES > 1 + if (unlikely(__memcg_event_check(mem, + MEM_CGROUP_TARGET_NUMAINFO))) { + atomic_inc(&mem->numainfo_events); + __mem_cgroup_target_update(mem, + MEM_CGROUP_TARGET_NUMAINFO); } +#endif } } @@ -1129,7 +1134,6 @@ unsigned long mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, return MEM_CGROUP_ZSTAT(mz, lru); } -#ifdef CONFIG_NUMA static unsigned long mem_cgroup_node_nr_file_lru_pages(struct mem_cgroup *memcg, int nid) { @@ -1141,6 +1145,17 @@ static unsigned long mem_cgroup_node_nr_file_lru_pages(struct mem_cgroup *memcg, return ret; } +static unsigned long mem_cgroup_node_nr_anon_lru_pages(struct mem_cgroup *memcg, + int nid) +{ + unsigned long ret; + + ret = mem_cgroup_get_zonestat_node(memcg, nid, LRU_INACTIVE_ANON) + + mem_cgroup_get_zonestat_node(memcg, nid, LRU_ACTIVE_ANON); + return ret; +} + +#if MAX_NUMNODES > 1 static unsigned long mem_cgroup_nr_file_lru_pages(struct mem_cgroup *memcg) { u64 total = 0; @@ -1152,17 +1167,6 @@ static unsigned long mem_cgroup_nr_file_lru_pages(struct mem_cgroup *memcg) return total; } -static unsigned long mem_cgroup_node_nr_anon_lru_pages(struct mem_cgroup *memcg, - int nid) -{ - unsigned long ret; - - ret = mem_cgroup_get_zonestat_node(memcg, nid, LRU_INACTIVE_ANON) + - mem_cgroup_get_zonestat_node(memcg, nid, LRU_ACTIVE_ANON); - - return ret; -} - static unsigned long mem_cgroup_nr_anon_lru_pages(struct mem_cgroup *memcg) { u64 total = 0; @@ -1559,6 +1563,28 @@ mem_cgroup_select_victim(struct mem_cgroup *root_mem) return ret; } +/** + * test_mem_cgroup_node_reclaimable + * @mem: the target memcg + * @nid: the node ID to be checked. + * @noswap : specify true here if the user wants flle only information. + * + * This function returns whether the specified memcg contains any + * reclaimable pages on a node. Returns true if there are any reclaimable + * pages in the node. + */ +static bool test_mem_cgroup_node_reclaimable(struct mem_cgroup *mem, + int nid, bool noswap) +{ + if (mem_cgroup_node_nr_file_lru_pages(mem, nid)) + return true; + if (noswap || !total_swap_pages) + return false; + if (mem_cgroup_node_nr_anon_lru_pages(mem, nid)) + return true; + return false; + +} #if MAX_NUMNODES > 1 /* @@ -1570,26 +1596,26 @@ mem_cgroup_select_victim(struct mem_cgroup *root_mem) static void mem_cgroup_may_update_nodemask(struct mem_cgroup *mem) { int nid; - - if (time_after(mem->next_scan_node_update, jiffies)) + /* + * numainfo_events > 0 means there was at least NUMAINFO_EVENTS_TARGET + * pagein/pageout changes since the last update. + */ + if (!atomic_read(&mem->numainfo_events)) + return; + if (atomic_inc_return(&mem->numainfo_updating) > 1) return; - mem->next_scan_node_update = jiffies + 10*HZ; /* make a nodemask where this memcg uses memory from */ mem->scan_nodes = node_states[N_HIGH_MEMORY]; for_each_node_mask(nid, node_states[N_HIGH_MEMORY]) { - if (mem_cgroup_get_zonestat_node(mem, nid, LRU_INACTIVE_FILE) || - mem_cgroup_get_zonestat_node(mem, nid, LRU_ACTIVE_FILE)) - continue; - - if (total_swap_pages && - (mem_cgroup_get_zonestat_node(mem, nid, LRU_INACTIVE_ANON) || - mem_cgroup_get_zonestat_node(mem, nid, LRU_ACTIVE_ANON))) - continue; - node_clear(nid, mem->scan_nodes); + if (!test_mem_cgroup_node_reclaimable(mem, nid, false)) + node_clear(nid, mem->scan_nodes); } + + atomic_set(&mem->numainfo_events, 0); + atomic_set(&mem->numainfo_updating, 0); } /* @@ -1627,11 +1653,51 @@ int mem_cgroup_select_victim_node(struct mem_cgroup *mem) return node; } +/* + * Check all nodes whether it contains reclaimable pages or not. + * For quick scan, we make use of scan_nodes. This will allow us to skip + * unused nodes. But scan_nodes is lazily updated and may not cotain + * enough new information. We need to do double check. + */ +bool mem_cgroup_reclaimable(struct mem_cgroup *mem, bool noswap) +{ + int nid; + + /* + * quick check...making use of scan_node. + * We can skip unused nodes. + */ + if (!nodes_empty(mem->scan_nodes)) { + for (nid = first_node(mem->scan_nodes); + nid < MAX_NUMNODES; + nid = next_node(nid, mem->scan_nodes)) { + + if (test_mem_cgroup_node_reclaimable(mem, nid, noswap)) + return true; + } + } + /* + * Check rest of nodes. + */ + for_each_node_state(nid, N_HIGH_MEMORY) { + if (node_isset(nid, mem->scan_nodes)) + continue; + if (test_mem_cgroup_node_reclaimable(mem, nid, noswap)) + return true; + } + return false; +} + #else int mem_cgroup_select_victim_node(struct mem_cgroup *mem) { return 0; } + +bool mem_cgroup_reclaimable(struct mem_cgroup *mem, bool noswap) +{ + return test_mem_cgroup_node_reclaimable(mem, 0, noswap); +} #endif /* @@ -1702,7 +1768,7 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem, } } } - if (!mem_cgroup_local_usage(victim)) { + if (!mem_cgroup_reclaimable(victim, noswap)) { /* this cgroup's local usage == 0 */ css_put(&victim->css); continue; diff --git a/mm/memory.c b/mm/memory.c index 40b7531ee8ba..9b8a01d941cb 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -305,6 +305,7 @@ int __tlb_remove_page(struct mmu_gather *tlb, struct page *page) if (batch->nr == batch->max) { if (!tlb_next_batch(tlb)) return 0; + batch = tlb->active; } VM_BUG_ON(batch->nr > batch->max); diff --git a/mm/nommu.c b/mm/nommu.c index 1fd0c51b10a6..9edc897a3970 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -1813,10 +1813,13 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address, return NULL; } -int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long to, unsigned long size, pgprot_t prot) +int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, + unsigned long pfn, unsigned long size, pgprot_t prot) { - vma->vm_start = vma->vm_pgoff << PAGE_SHIFT; + if (addr != (pfn << PAGE_SHIFT)) + return -EINVAL; + + vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; return 0; } EXPORT_SYMBOL(remap_pfn_range); diff --git a/mm/slab.c b/mm/slab.c index d96e223de775..1e523ed47c61 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -574,7 +574,9 @@ static struct arraycache_init initarray_generic = { {0, BOOT_CPUCACHE_ENTRIES, 1, 0} }; /* internal cache of cache description objs */ +static struct kmem_list3 *cache_cache_nodelists[MAX_NUMNODES]; static struct kmem_cache cache_cache = { + .nodelists = cache_cache_nodelists, .batchcount = 1, .limit = BOOT_CPUCACHE_ENTRIES, .shared = 1, @@ -1492,11 +1494,10 @@ void __init kmem_cache_init(void) cache_cache.nodelists[node] = &initkmem_list3[CACHE_CACHE + node]; /* - * struct kmem_cache size depends on nr_node_ids, which - * can be less than MAX_NUMNODES. + * struct kmem_cache size depends on nr_node_ids & nr_cpu_ids */ - cache_cache.buffer_size = offsetof(struct kmem_cache, nodelists) + - nr_node_ids * sizeof(struct kmem_list3 *); + cache_cache.buffer_size = offsetof(struct kmem_cache, array[nr_cpu_ids]) + + nr_node_ids * sizeof(struct kmem_list3 *); #if DEBUG cache_cache.obj_size = cache_cache.buffer_size; #endif @@ -2308,6 +2309,7 @@ kmem_cache_create (const char *name, size_t size, size_t align, if (!cachep) goto oops; + cachep->nodelists = (struct kmem_list3 **)&cachep->array[nr_cpu_ids]; #if DEBUG cachep->obj_size = size; @@ -3153,12 +3155,11 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep, objp += obj_offset(cachep); if (cachep->ctor && cachep->flags & SLAB_POISON) cachep->ctor(objp); -#if ARCH_SLAB_MINALIGN - if ((u32)objp & (ARCH_SLAB_MINALIGN-1)) { + if (ARCH_SLAB_MINALIGN && + ((unsigned long)objp & (ARCH_SLAB_MINALIGN-1))) { printk(KERN_ERR "0x%p: not aligned to ARCH_SLAB_MINALIGN=%d\n", - objp, ARCH_SLAB_MINALIGN); + objp, (int)ARCH_SLAB_MINALIGN); } -#endif return objp; } #else diff --git a/mm/slob.c b/mm/slob.c index 46e0aee33a23..0ae881831ae2 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -482,6 +482,8 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node) int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); void *ret; + gfp &= gfp_allowed_mask; + lockdep_trace_alloc(gfp); if (size < PAGE_SIZE - align) { @@ -608,6 +610,10 @@ void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node) { void *b; + flags &= gfp_allowed_mask; + + lockdep_trace_alloc(flags); + if (c->size < PAGE_SIZE) { b = slob_alloc(c->size, flags, c->align, node); trace_kmem_cache_alloc_node(_RET_IP_, b, c->size, diff --git a/mm/slub.c b/mm/slub.c index 35f351f26193..ba83f3fd0757 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -27,6 +27,7 @@ #include <linux/memory.h> #include <linux/math64.h> #include <linux/fault-inject.h> +#include <linux/stacktrace.h> #include <trace/events/kmem.h> @@ -191,8 +192,12 @@ static LIST_HEAD(slab_caches); /* * Tracking user of a slab. */ +#define TRACK_ADDRS_COUNT 16 struct track { unsigned long addr; /* Called from address */ +#ifdef CONFIG_STACKTRACE + unsigned long addrs[TRACK_ADDRS_COUNT]; /* Called from address */ +#endif int cpu; /* Was running on cpu */ int pid; /* Pid context */ unsigned long when; /* When did the operation occur */ @@ -420,6 +425,24 @@ static void set_track(struct kmem_cache *s, void *object, struct track *p = get_track(s, object, alloc); if (addr) { +#ifdef CONFIG_STACKTRACE + struct stack_trace trace; + int i; + + trace.nr_entries = 0; + trace.max_entries = TRACK_ADDRS_COUNT; + trace.entries = p->addrs; + trace.skip = 3; + save_stack_trace(&trace); + + /* See rant in lockdep.c */ + if (trace.nr_entries != 0 && + trace.entries[trace.nr_entries - 1] == ULONG_MAX) + trace.nr_entries--; + + for (i = trace.nr_entries; i < TRACK_ADDRS_COUNT; i++) + p->addrs[i] = 0; +#endif p->addr = addr; p->cpu = smp_processor_id(); p->pid = current->pid; @@ -444,6 +467,16 @@ static void print_track(const char *s, struct track *t) printk(KERN_ERR "INFO: %s in %pS age=%lu cpu=%u pid=%d\n", s, (void *)t->addr, jiffies - t->when, t->cpu, t->pid); +#ifdef CONFIG_STACKTRACE + { + int i; + for (i = 0; i < TRACK_ADDRS_COUNT; i++) + if (t->addrs[i]) + printk(KERN_ERR "\t%pS\n", (void *)t->addrs[i]); + else + break; + } +#endif } static void print_tracking(struct kmem_cache *s, void *object) @@ -557,10 +590,10 @@ static void init_object(struct kmem_cache *s, void *object, u8 val) memset(p + s->objsize, val, s->inuse - s->objsize); } -static u8 *check_bytes(u8 *start, unsigned int value, unsigned int bytes) +static u8 *check_bytes8(u8 *start, u8 value, unsigned int bytes) { while (bytes) { - if (*start != (u8)value) + if (*start != value) return start; start++; bytes--; @@ -568,6 +601,38 @@ static u8 *check_bytes(u8 *start, unsigned int value, unsigned int bytes) return NULL; } +static u8 *check_bytes(u8 *start, u8 value, unsigned int bytes) +{ + u64 value64; + unsigned int words, prefix; + + if (bytes <= 16) + return check_bytes8(start, value, bytes); + + value64 = value | value << 8 | value << 16 | value << 24; + value64 = value64 | value64 << 32; + prefix = 8 - ((unsigned long)start) % 8; + + if (prefix) { + u8 *r = check_bytes8(start, value, prefix); + if (r) + return r; + start += prefix; + bytes -= prefix; + } + + words = bytes / 8; + + while (words) { + if (*(u64 *)start != value64) + return check_bytes8(start, value, 8); + start += 8; + words--; + } + + return check_bytes8(start, value, bytes % 8); +} + static void restore_bytes(struct kmem_cache *s, char *message, u8 data, void *from, void *to) { @@ -2928,6 +2993,42 @@ size_t ksize(const void *object) } EXPORT_SYMBOL(ksize); +#ifdef CONFIG_SLUB_DEBUG +bool verify_mem_not_deleted(const void *x) +{ + struct page *page; + void *object = (void *)x; + unsigned long flags; + bool rv; + + if (unlikely(ZERO_OR_NULL_PTR(x))) + return false; + + local_irq_save(flags); + + page = virt_to_head_page(x); + if (unlikely(!PageSlab(page))) { + /* maybe it was from stack? */ + rv = true; + goto out_unlock; + } + + slab_lock(page); + if (on_freelist(page->slab, page, object)) { + object_err(page->slab, page, object, "Object is on free-list"); + rv = false; + } else { + rv = true; + } + slab_unlock(page); + +out_unlock: + local_irq_restore(flags); + return rv; +} +EXPORT_SYMBOL(verify_mem_not_deleted); +#endif + void kfree(const void *x) { struct page *page; diff --git a/mm/vmscan.c b/mm/vmscan.c index 4f49535d4cd3..d036e59d302b 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2310,7 +2310,8 @@ static bool pgdat_balanced(pg_data_t *pgdat, unsigned long balanced_pages, for (i = 0; i <= classzone_idx; i++) present_pages += pgdat->node_zones[i].present_pages; - return balanced_pages > (present_pages >> 2); + /* A special case here: if zone has no page, we think it's balanced */ + return balanced_pages >= (present_pages >> 2); } /* is kswapd sleeping prematurely? */ @@ -2326,7 +2327,7 @@ static bool sleeping_prematurely(pg_data_t *pgdat, int order, long remaining, return true; /* Check the watermark levels */ - for (i = 0; i < pgdat->nr_zones; i++) { + for (i = 0; i <= classzone_idx; i++) { struct zone *zone = pgdat->node_zones + i; if (!populated_zone(zone)) @@ -2344,7 +2345,7 @@ static bool sleeping_prematurely(pg_data_t *pgdat, int order, long remaining, } if (!zone_watermark_ok_safe(zone, order, high_wmark_pages(zone), - classzone_idx, 0)) + i, 0)) all_zones_ok = false; else balanced += zone->present_pages; @@ -2451,7 +2452,6 @@ loop_again: if (!zone_watermark_ok_safe(zone, order, high_wmark_pages(zone), 0, 0)) { end_zone = i; - *classzone_idx = i; break; } } @@ -2510,18 +2510,18 @@ loop_again: KSWAPD_ZONE_BALANCE_GAP_RATIO); if (!zone_watermark_ok_safe(zone, order, high_wmark_pages(zone) + balance_gap, - end_zone, 0)) + end_zone, 0)) { shrink_zone(priority, zone, &sc); - reclaim_state->reclaimed_slab = 0; - nr_slab = shrink_slab(&shrink, sc.nr_scanned, lru_pages); - sc.nr_reclaimed += reclaim_state->reclaimed_slab; - total_scanned += sc.nr_scanned; - if (zone->all_unreclaimable) - continue; - if (nr_slab == 0 && - !zone_reclaimable(zone)) - zone->all_unreclaimable = 1; + reclaim_state->reclaimed_slab = 0; + nr_slab = shrink_slab(&shrink, sc.nr_scanned, lru_pages); + sc.nr_reclaimed += reclaim_state->reclaimed_slab; + total_scanned += sc.nr_scanned; + + if (nr_slab == 0 && !zone_reclaimable(zone)) + zone->all_unreclaimable = 1; + } + /* * If we've done a decent amount of scanning and * the reclaim ratio is low, start doing writepage @@ -2531,6 +2531,12 @@ loop_again: total_scanned > sc.nr_reclaimed + sc.nr_reclaimed / 2) sc.may_writepage = 1; + if (zone->all_unreclaimable) { + if (end_zone && end_zone == i) + end_zone--; + continue; + } + if (!zone_watermark_ok_safe(zone, order, high_wmark_pages(zone), end_zone, 0)) { all_zones_ok = 0; @@ -2709,8 +2715,8 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int order, int classzone_idx) */ static int kswapd(void *p) { - unsigned long order; - int classzone_idx; + unsigned long order, new_order; + int classzone_idx, new_classzone_idx; pg_data_t *pgdat = (pg_data_t*)p; struct task_struct *tsk = current; @@ -2740,17 +2746,23 @@ static int kswapd(void *p) tsk->flags |= PF_MEMALLOC | PF_SWAPWRITE | PF_KSWAPD; set_freezable(); - order = 0; - classzone_idx = MAX_NR_ZONES - 1; + order = new_order = 0; + classzone_idx = new_classzone_idx = pgdat->nr_zones - 1; for ( ; ; ) { - unsigned long new_order; - int new_classzone_idx; int ret; - new_order = pgdat->kswapd_max_order; - new_classzone_idx = pgdat->classzone_idx; - pgdat->kswapd_max_order = 0; - pgdat->classzone_idx = MAX_NR_ZONES - 1; + /* + * If the last balance_pgdat was unsuccessful it's unlikely a + * new request of a similar or harder type will succeed soon + * so consider going to sleep on the basis we reclaimed at + */ + if (classzone_idx >= new_classzone_idx && order == new_order) { + new_order = pgdat->kswapd_max_order; + new_classzone_idx = pgdat->classzone_idx; + pgdat->kswapd_max_order = 0; + pgdat->classzone_idx = pgdat->nr_zones - 1; + } + if (order < new_order || classzone_idx > new_classzone_idx) { /* * Don't sleep if someone wants a larger 'order' @@ -2763,7 +2775,7 @@ static int kswapd(void *p) order = pgdat->kswapd_max_order; classzone_idx = pgdat->classzone_idx; pgdat->kswapd_max_order = 0; - pgdat->classzone_idx = MAX_NR_ZONES - 1; + pgdat->classzone_idx = pgdat->nr_zones - 1; } ret = try_to_freeze(); diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 86bff9b1ac47..6e82148edfc8 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -528,7 +528,11 @@ static int vlan_dev_init(struct net_device *dev) (1<<__LINK_STATE_DORMANT))) | (1<<__LINK_STATE_PRESENT); - dev->hw_features = NETIF_F_ALL_TX_OFFLOADS; + dev->hw_features = NETIF_F_ALL_CSUM | NETIF_F_SG | + NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | + NETIF_F_HIGHDMA | NETIF_F_SCTP_CSUM | + NETIF_F_ALL_FCOE; + dev->features |= real_dev->vlan_features | NETIF_F_LLTX; dev->gso_max_size = real_dev->gso_max_size; diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index d3a05b9ade7a..bcd158f40bb9 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -393,6 +393,9 @@ int hci_conn_del(struct hci_conn *conn) hci_dev_put(hdev); + if (conn->handle == 0) + kfree(conn); + return 0; } diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index c405a954a603..43b4c2deb7cc 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -464,7 +464,8 @@ static void hidp_idle_timeout(unsigned long arg) { struct hidp_session *session = (struct hidp_session *) arg; - kthread_stop(session->task); + atomic_inc(&session->terminate); + wake_up_process(session->task); } static void hidp_set_timer(struct hidp_session *session) @@ -535,7 +536,8 @@ static void hidp_process_hid_control(struct hidp_session *session, skb_queue_purge(&session->ctrl_transmit); skb_queue_purge(&session->intr_transmit); - kthread_stop(session->task); + atomic_inc(&session->terminate); + wake_up_process(current); } } @@ -706,9 +708,8 @@ static int hidp_session(void *arg) add_wait_queue(sk_sleep(intr_sk), &intr_wait); session->waiting_for_startup = 0; wake_up_interruptible(&session->startup_queue); - while (!kthread_should_stop()) { - set_current_state(TASK_INTERRUPTIBLE); - + set_current_state(TASK_INTERRUPTIBLE); + while (!atomic_read(&session->terminate)) { if (ctrl_sk->sk_state != BT_CONNECTED || intr_sk->sk_state != BT_CONNECTED) break; @@ -726,6 +727,7 @@ static int hidp_session(void *arg) hidp_process_transmit(session); schedule(); + set_current_state(TASK_INTERRUPTIBLE); } set_current_state(TASK_RUNNING); remove_wait_queue(sk_sleep(intr_sk), &intr_wait); @@ -1060,7 +1062,8 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, err_add_device: hid_destroy_device(session->hid); session->hid = NULL; - kthread_stop(session->task); + atomic_inc(&session->terminate); + wake_up_process(session->task); unlink: hidp_del_timer(session); @@ -1111,7 +1114,8 @@ int hidp_del_connection(struct hidp_conndel_req *req) skb_queue_purge(&session->ctrl_transmit); skb_queue_purge(&session->intr_transmit); - kthread_stop(session->task); + atomic_inc(&session->terminate); + wake_up_process(session->task); } } else err = -ENOENT; diff --git a/net/bluetooth/hidp/hidp.h b/net/bluetooth/hidp/hidp.h index 19e95004b286..af1bcc823f26 100644 --- a/net/bluetooth/hidp/hidp.h +++ b/net/bluetooth/hidp/hidp.h @@ -142,6 +142,7 @@ struct hidp_session { uint ctrl_mtu; uint intr_mtu; + atomic_t terminate; struct task_struct *task; unsigned char keys[8]; diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 56fdd9162da9..7705e26e699f 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -620,7 +620,8 @@ static void l2cap_conn_start(struct l2cap_conn *conn) struct sock *parent = bt_sk(sk)->parent; rsp.result = cpu_to_le16(L2CAP_CR_PEND); rsp.status = cpu_to_le16(L2CAP_CS_AUTHOR_PEND); - parent->sk_data_ready(parent, 0); + if (parent) + parent->sk_data_ready(parent, 0); } else { sk->sk_state = BT_CONFIG; @@ -2323,7 +2324,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr sk = chan->sk; - if (sk->sk_state != BT_CONFIG) { + if (sk->sk_state != BT_CONFIG && sk->sk_state != BT_CONNECT2) { struct l2cap_cmd_rej rej; rej.reason = cpu_to_le16(0x0002); @@ -2334,7 +2335,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr /* Reject if config buffer is too small. */ len = cmd_len - sizeof(*req); - if (chan->conf_len + len > sizeof(chan->conf_req)) { + if (len < 0 || chan->conf_len + len > sizeof(chan->conf_req)) { l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, l2cap_build_conf_rsp(chan, rsp, L2CAP_CONF_REJECT, flags), rsp); @@ -4009,7 +4010,8 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) struct sock *parent = bt_sk(sk)->parent; res = L2CAP_CR_PEND; stat = L2CAP_CS_AUTHOR_PEND; - parent->sk_data_ready(parent, 0); + if (parent) + parent->sk_data_ready(parent, 0); } else { sk->sk_state = BT_CONFIG; res = L2CAP_CR_SUCCESS; diff --git a/net/ceph/ceph_fs.c b/net/ceph/ceph_fs.c index a3a3a31d3c37..41466ccb972a 100644 --- a/net/ceph/ceph_fs.c +++ b/net/ceph/ceph_fs.c @@ -36,16 +36,19 @@ int ceph_flags_to_mode(int flags) if ((flags & O_DIRECTORY) == O_DIRECTORY) return CEPH_FILE_MODE_PIN; #endif - if ((flags & O_APPEND) == O_APPEND) - flags |= O_WRONLY; - if ((flags & O_ACCMODE) == O_RDWR) - mode = CEPH_FILE_MODE_RDWR; - else if ((flags & O_ACCMODE) == O_WRONLY) + switch (flags & O_ACCMODE) { + case O_WRONLY: mode = CEPH_FILE_MODE_WR; - else + break; + case O_RDONLY: mode = CEPH_FILE_MODE_RD; - + break; + case O_RDWR: + case O_ACCMODE: /* this is what the VFS does */ + mode = CEPH_FILE_MODE_RDWR; + break; + } #ifdef O_LAZY if (flags & O_LAZY) mode |= CEPH_FILE_MODE_LAZY; diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 58ffa7d069c7..669d2e32efb6 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -877,7 +877,8 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, for (i = 0; i < IEEE80211_NUM_BANDS; i++) { local->sched_scan_ies.ie[i] = kzalloc(2 + IEEE80211_MAX_SSID_LEN + - local->scan_ies_len, + local->scan_ies_len + + req->ie_len, GFP_KERNEL); if (!local->sched_scan_ies.ie[i]) { ret = -ENOMEM; diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index d91c1a26630d..8f6a302d2ac3 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -86,6 +86,11 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx) struct sk_buff *skb = rx->skb; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + int queue = rx->queue; + + /* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */ + if (rx->queue == NUM_RX_DATA_QUEUES - 1) + queue = 0; /* * it makes no sense to check for MIC errors on anything other @@ -148,8 +153,8 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx) update_iv: /* update IV in key information to be able to detect replays */ - rx->key->u.tkip.rx[rx->queue].iv32 = rx->tkip_iv32; - rx->key->u.tkip.rx[rx->queue].iv16 = rx->tkip_iv16; + rx->key->u.tkip.rx[queue].iv32 = rx->tkip_iv32; + rx->key->u.tkip.rx[queue].iv16 = rx->tkip_iv16; return RX_CONTINUE; @@ -241,6 +246,11 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx) struct ieee80211_key *key = rx->key; struct sk_buff *skb = rx->skb; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); + int queue = rx->queue; + + /* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */ + if (rx->queue == NUM_RX_DATA_QUEUES - 1) + queue = 0; hdrlen = ieee80211_hdrlen(hdr->frame_control); @@ -261,7 +271,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx) res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm, key, skb->data + hdrlen, skb->len - hdrlen, rx->sta->sta.addr, - hdr->addr1, hwaccel, rx->queue, + hdr->addr1, hwaccel, queue, &rx->tkip_iv32, &rx->tkip_iv16); if (res != TKIP_DECRYPT_OK) diff --git a/net/sctp/output.c b/net/sctp/output.c index b4f3cf06d8da..08b3cead6503 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -500,23 +500,20 @@ int sctp_packet_transmit(struct sctp_packet *packet) * Note: Adler-32 is no longer applicable, as has been replaced * by CRC32-C as described in <draft-ietf-tsvwg-sctpcsum-02.txt>. */ - if (!sctp_checksum_disable && - !(dst->dev->features & (NETIF_F_NO_CSUM | NETIF_F_SCTP_CSUM))) { - __u32 crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len); + if (!sctp_checksum_disable) { + if (!(dst->dev->features & NETIF_F_SCTP_CSUM)) { + __u32 crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len); - /* 3) Put the resultant value into the checksum field in the - * common header, and leave the rest of the bits unchanged. - */ - sh->checksum = sctp_end_cksum(crc32); - } else { - if (dst->dev->features & NETIF_F_SCTP_CSUM) { + /* 3) Put the resultant value into the checksum field in the + * common header, and leave the rest of the bits unchanged. + */ + sh->checksum = sctp_end_cksum(crc32); + } else { /* no need to seed pseudo checksum for SCTP */ nskb->ip_summed = CHECKSUM_PARTIAL; nskb->csum_start = (skb_transport_header(nskb) - nskb->head); nskb->csum_offset = offsetof(struct sctphdr, checksum); - } else { - nskb->ip_summed = CHECKSUM_UNNECESSARY; } } diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 1c88c8911dc5..d03682109b7a 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -1582,6 +1582,8 @@ static void sctp_check_transmitted(struct sctp_outq *q, #endif /* SCTP_DEBUG */ if (transport) { if (bytes_acked) { + struct sctp_association *asoc = transport->asoc; + /* We may have counted DATA that was migrated * to this transport due to DEL-IP operation. * Subtract those bytes, since the were never @@ -1600,6 +1602,17 @@ static void sctp_check_transmitted(struct sctp_outq *q, transport->error_count = 0; transport->asoc->overall_error_count = 0; + /* + * While in SHUTDOWN PENDING, we may have started + * the T5 shutdown guard timer after reaching the + * retransmission limit. Stop that timer as soon + * as the receiver acknowledged any data. + */ + if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING && + del_timer(&asoc->timers + [SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD])) + sctp_association_put(asoc); + /* Mark the destination transport address as * active if it is not so marked. */ @@ -1629,10 +1642,15 @@ static void sctp_check_transmitted(struct sctp_outq *q, * A sender is doing zero window probing when the * receiver's advertised window is zero, and there is * only one data chunk in flight to the receiver. + * + * Allow the association to timeout while in SHUTDOWN + * PENDING or SHUTDOWN RECEIVED in case the receiver + * stays in zero window mode forever. */ if (!q->asoc->peer.rwnd && !list_empty(&tlist) && - (sack_ctsn+2 == q->asoc->next_tsn)) { + (sack_ctsn+2 == q->asoc->next_tsn) && + q->asoc->state < SCTP_STATE_SHUTDOWN_PENDING) { SCTP_DEBUG_PRINTK("%s: SACK received for zero " "window probe: %u\n", __func__, sack_ctsn); diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 534c2e5feb05..6e0f88295aaf 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -670,10 +670,19 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds, /* 8.3 Upon the receipt of the HEARTBEAT ACK, the sender of the * HEARTBEAT should clear the error counter of the destination * transport address to which the HEARTBEAT was sent. - * The association's overall error count is also cleared. */ t->error_count = 0; - t->asoc->overall_error_count = 0; + + /* + * Although RFC4960 specifies that the overall error count must + * be cleared when a HEARTBEAT ACK is received, we make an + * exception while in SHUTDOWN PENDING. If the peer keeps its + * window shut forever, we may never be able to transmit our + * outstanding data and rely on the retransmission limit be reached + * to shutdown the association. + */ + if (t->asoc->state != SCTP_STATE_SHUTDOWN_PENDING) + t->asoc->overall_error_count = 0; /* Clear the hb_sent flag to signal that we had a good * acknowledgement. @@ -1437,6 +1446,13 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, sctp_cmd_setup_t2(commands, asoc, cmd->obj.ptr); break; + case SCTP_CMD_TIMER_START_ONCE: + timer = &asoc->timers[cmd->obj.to]; + + if (timer_pending(timer)) + break; + /* fall through */ + case SCTP_CMD_TIMER_START: timer = &asoc->timers[cmd->obj.to]; timeout = asoc->timeouts[cmd->obj.to]; diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index a297283154d5..246117142b5c 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -5154,7 +5154,7 @@ sctp_disposition_t sctp_sf_do_9_2_start_shutdown( * The sender of the SHUTDOWN MAY also start an overall guard timer * 'T5-shutdown-guard' to bound the overall time for shutdown sequence. */ - sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_START, + sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART, SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD)); if (asoc->autoclose) @@ -5299,14 +5299,28 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep, SCTP_INC_STATS(SCTP_MIB_T3_RTX_EXPIREDS); if (asoc->overall_error_count >= asoc->max_retrans) { - sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, - SCTP_ERROR(ETIMEDOUT)); - /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */ - sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, - SCTP_PERR(SCTP_ERROR_NO_ERROR)); - SCTP_INC_STATS(SCTP_MIB_ABORTEDS); - SCTP_DEC_STATS(SCTP_MIB_CURRESTAB); - return SCTP_DISPOSITION_DELETE_TCB; + if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING) { + /* + * We are here likely because the receiver had its rwnd + * closed for a while and we have not been able to + * transmit the locally queued data within the maximum + * retransmission attempts limit. Start the T5 + * shutdown guard timer to give the receiver one last + * chance and some additional time to recover before + * aborting. + */ + sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_START_ONCE, + SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD)); + } else { + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ETIMEDOUT)); + /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */ + sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, + SCTP_PERR(SCTP_ERROR_NO_ERROR)); + SCTP_INC_STATS(SCTP_MIB_ABORTEDS); + SCTP_DEC_STATS(SCTP_MIB_CURRESTAB); + return SCTP_DISPOSITION_DELETE_TCB; + } } /* E1) For the destination address for which the timer diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c index 0338dc6fdc9d..7c211a7f90f4 100644 --- a/net/sctp/sm_statetable.c +++ b/net/sctp/sm_statetable.c @@ -827,7 +827,7 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ /* SCTP_STATE_ESTABLISHED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ - TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ + TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ /* SCTP_STATE_SHUTDOWN_SENT */ \ TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 08c6238802de..d3ccf7973c59 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1384,6 +1384,7 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout) struct sctp_endpoint *ep; struct sctp_association *asoc; struct list_head *pos, *temp; + unsigned int data_was_unread; SCTP_DEBUG_PRINTK("sctp_close(sk: 0x%p, timeout:%ld)\n", sk, timeout); @@ -1393,6 +1394,10 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout) ep = sctp_sk(sk)->ep; + /* Clean up any skbs sitting on the receive queue. */ + data_was_unread = sctp_queue_purge_ulpevents(&sk->sk_receive_queue); + data_was_unread += sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby); + /* Walk all associations on an endpoint. */ list_for_each_safe(pos, temp, &ep->asocs) { asoc = list_entry(pos, struct sctp_association, asocs); @@ -1410,7 +1415,9 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout) } } - if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) { + if (data_was_unread || !skb_queue_empty(&asoc->ulpq.lobby) || + !skb_queue_empty(&asoc->ulpq.reasm) || + (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)) { struct sctp_chunk *chunk; chunk = sctp_make_abort_user(asoc, NULL, 0); @@ -1420,10 +1427,6 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout) sctp_primitive_SHUTDOWN(asoc, NULL); } - /* Clean up any skbs sitting on the receive queue. */ - sctp_queue_purge_ulpevents(&sk->sk_receive_queue); - sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby); - /* On a TCP-style socket, block for at most linger_time if set. */ if (sctp_style(sk, TCP) && timeout) sctp_wait_for_close(sk, timeout); diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index e70e5fc87890..8a84017834c2 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -1081,9 +1081,19 @@ void sctp_ulpevent_free(struct sctp_ulpevent *event) } /* Purge the skb lists holding ulpevents. */ -void sctp_queue_purge_ulpevents(struct sk_buff_head *list) +unsigned int sctp_queue_purge_ulpevents(struct sk_buff_head *list) { struct sk_buff *skb; - while ((skb = skb_dequeue(list)) != NULL) - sctp_ulpevent_free(sctp_skb2event(skb)); + unsigned int data_unread = 0; + + while ((skb = skb_dequeue(list)) != NULL) { + struct sctp_ulpevent *event = sctp_skb2event(skb); + + if (!sctp_ulpevent_is_notification(event)) + data_unread += skb->len; + + sctp_ulpevent_free(event); + } + + return data_unread; } diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index 9a80a922c527..e45d2fbbe5a8 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -597,7 +597,7 @@ void rpcb_getport_async(struct rpc_task *task) u32 bind_version; struct rpc_xprt *xprt; struct rpc_clnt *rpcb_clnt; - static struct rpcbind_args *map; + struct rpcbind_args *map; struct rpc_task *child; struct sockaddr_storage addr; struct sockaddr *sap = (struct sockaddr *)&addr; diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index a27406b1654f..4814e246a874 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -616,30 +616,25 @@ static void __rpc_execute(struct rpc_task *task) BUG_ON(RPC_IS_QUEUED(task)); for (;;) { + void (*do_action)(struct rpc_task *); /* - * Execute any pending callback. + * Execute any pending callback first. */ - if (task->tk_callback) { - void (*save_callback)(struct rpc_task *); - - /* - * We set tk_callback to NULL before calling it, - * in case it sets the tk_callback field itself: - */ - save_callback = task->tk_callback; - task->tk_callback = NULL; - save_callback(task); - } else { + do_action = task->tk_callback; + task->tk_callback = NULL; + if (do_action == NULL) { /* * Perform the next FSM step. - * tk_action may be NULL when the task has been killed - * by someone else. + * tk_action may be NULL if the task has been killed. + * In particular, note that rpc_killall_tasks may + * do this at any time, so beware when dereferencing. */ - if (task->tk_action == NULL) + do_action = task->tk_action; + if (do_action == NULL) break; - task->tk_action(task); } + do_action(task); /* * Lockless check for whether task is sleeping or not. diff --git a/net/wireless/core.c b/net/wireless/core.c index c22ef3492ee6..880dbe2e6f94 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -366,6 +366,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) mutex_init(&rdev->mtx); mutex_init(&rdev->devlist_mtx); + mutex_init(&rdev->sched_scan_mtx); INIT_LIST_HEAD(&rdev->netdev_list); spin_lock_init(&rdev->bss_lock); INIT_LIST_HEAD(&rdev->bss_list); @@ -701,6 +702,7 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev) rfkill_destroy(rdev->rfkill); mutex_destroy(&rdev->mtx); mutex_destroy(&rdev->devlist_mtx); + mutex_destroy(&rdev->sched_scan_mtx); list_for_each_entry_safe(scan, tmp, &rdev->bss_list, list) cfg80211_put_bss(&scan->pub); cfg80211_rdev_free_wowlan(rdev); @@ -737,12 +739,16 @@ static void wdev_cleanup_work(struct work_struct *work) ___cfg80211_scan_done(rdev, true); } + cfg80211_unlock_rdev(rdev); + + mutex_lock(&rdev->sched_scan_mtx); + if (WARN_ON(rdev->sched_scan_req && rdev->sched_scan_req->dev == wdev->netdev)) { __cfg80211_stop_sched_scan(rdev, false); } - cfg80211_unlock_rdev(rdev); + mutex_unlock(&rdev->sched_scan_mtx); mutex_lock(&rdev->devlist_mtx); rdev->opencount--; @@ -830,9 +836,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb, break; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_STATION: - cfg80211_lock_rdev(rdev); + mutex_lock(&rdev->sched_scan_mtx); __cfg80211_stop_sched_scan(rdev, false); - cfg80211_unlock_rdev(rdev); + mutex_unlock(&rdev->sched_scan_mtx); wdev_lock(wdev); #ifdef CONFIG_CFG80211_WEXT diff --git a/net/wireless/core.h b/net/wireless/core.h index 3dce1f167eba..a570ff9214ec 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -65,6 +65,8 @@ struct cfg80211_registered_device { struct work_struct scan_done_wk; struct work_struct sched_scan_results_wk; + struct mutex sched_scan_mtx; + #ifdef CONFIG_NL80211_TESTMODE struct genl_info *testmode_info; #endif diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index f07602d7bf68..cea338150d05 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3461,9 +3461,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) return -EINVAL; - if (rdev->sched_scan_req) - return -EINPROGRESS; - if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) return -EINVAL; @@ -3502,12 +3499,21 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, if (ie_len > wiphy->max_scan_ie_len) return -EINVAL; + mutex_lock(&rdev->sched_scan_mtx); + + if (rdev->sched_scan_req) { + err = -EINPROGRESS; + goto out; + } + request = kzalloc(sizeof(*request) + sizeof(*request->ssids) * n_ssids + sizeof(*request->channels) * n_channels + ie_len, GFP_KERNEL); - if (!request) - return -ENOMEM; + if (!request) { + err = -ENOMEM; + goto out; + } if (n_ssids) request->ssids = (void *)&request->channels[n_channels]; @@ -3605,6 +3611,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, out_free: kfree(request); out: + mutex_unlock(&rdev->sched_scan_mtx); return err; } @@ -3612,12 +3619,17 @@ static int nl80211_stop_sched_scan(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; + int err; if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || !rdev->ops->sched_scan_stop) return -EOPNOTSUPP; - return __cfg80211_stop_sched_scan(rdev, false); + mutex_lock(&rdev->sched_scan_mtx); + err = __cfg80211_stop_sched_scan(rdev, false); + mutex_unlock(&rdev->sched_scan_mtx); + + return err; } static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags, diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 7a6c67667d70..ae0c2256ba3b 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -100,14 +100,14 @@ void __cfg80211_sched_scan_results(struct work_struct *wk) rdev = container_of(wk, struct cfg80211_registered_device, sched_scan_results_wk); - cfg80211_lock_rdev(rdev); + mutex_lock(&rdev->sched_scan_mtx); /* we don't have sched_scan_req anymore if the scan is stopping */ if (rdev->sched_scan_req) nl80211_send_sched_scan_results(rdev, rdev->sched_scan_req->dev); - cfg80211_unlock_rdev(rdev); + mutex_unlock(&rdev->sched_scan_mtx); } void cfg80211_sched_scan_results(struct wiphy *wiphy) @@ -123,9 +123,9 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy) { struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - cfg80211_lock_rdev(rdev); + mutex_lock(&rdev->sched_scan_mtx); __cfg80211_stop_sched_scan(rdev, true); - cfg80211_unlock_rdev(rdev); + mutex_unlock(&rdev->sched_scan_mtx); } EXPORT_SYMBOL(cfg80211_sched_scan_stopped); @@ -135,7 +135,7 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, int err; struct net_device *dev; - ASSERT_RDEV_LOCK(rdev); + lockdep_assert_held(&rdev->sched_scan_mtx); if (!rdev->sched_scan_req) return 0; diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index d70f85eb7864..9414b9c5b1e4 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1345,6 +1345,8 @@ out: xfrm_state_check_expire(x1); err = 0; + x->km.state = XFRM_STATE_DEAD; + __xfrm_state_put(x); } spin_unlock_bh(&x1->lock); diff --git a/scripts/depmod.sh b/scripts/depmod.sh index 3b029cba2baf..a27235685949 100755 --- a/scripts/depmod.sh +++ b/scripts/depmod.sh @@ -21,13 +21,15 @@ fi # older versions of depmod require the version string to start with three # numbers, so we cheat with a symlink here depmod_hack_needed=true -mkdir -p .tmp_depmod/lib/modules/$KERNELRELEASE -if "$DEPMOD" -b .tmp_depmod $KERNELRELEASE 2>/dev/null; then - if test -e .tmp_depmod/lib/modules/$KERNELRELEASE/modules.dep -o \ - -e .tmp_depmod/lib/modules/$KERNELRELEASE/modules.dep.bin; then +tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX) +mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE" +if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then + if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \ + -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then depmod_hack_needed=false fi fi +rm -rf "$tmp_dir" if $depmod_hack_needed; then symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" ln -s "$KERNELRELEASE" "$symlink" diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index d21191dcfe88..b48fb43b5448 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2715,17 +2715,30 @@ typedef int (*getput_call_t)(struct snd_kcontrol *kcontrol, static int alc_cap_getput_caller(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol, - getput_call_t func) + getput_call_t func, bool check_adc_switch) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); struct alc_spec *spec = codec->spec; - unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); - int err; + int i, err = 0; mutex_lock(&codec->control_mutex); - kcontrol->private_value = HDA_COMPOSE_AMP_VAL(spec->adc_nids[adc_idx], - 3, 0, HDA_INPUT); - err = func(kcontrol, ucontrol); + if (check_adc_switch && spec->dual_adc_switch) { + for (i = 0; i < spec->num_adc_nids; i++) { + kcontrol->private_value = + HDA_COMPOSE_AMP_VAL(spec->adc_nids[i], + 3, 0, HDA_INPUT); + err = func(kcontrol, ucontrol); + if (err < 0) + goto error; + } + } else { + i = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); + kcontrol->private_value = + HDA_COMPOSE_AMP_VAL(spec->adc_nids[i], + 3, 0, HDA_INPUT); + err = func(kcontrol, ucontrol); + } + error: mutex_unlock(&codec->control_mutex); return err; } @@ -2734,14 +2747,14 @@ static int alc_cap_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { return alc_cap_getput_caller(kcontrol, ucontrol, - snd_hda_mixer_amp_volume_get); + snd_hda_mixer_amp_volume_get, false); } static int alc_cap_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { return alc_cap_getput_caller(kcontrol, ucontrol, - snd_hda_mixer_amp_volume_put); + snd_hda_mixer_amp_volume_put, true); } /* capture mixer elements */ @@ -2751,14 +2764,14 @@ static int alc_cap_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { return alc_cap_getput_caller(kcontrol, ucontrol, - snd_hda_mixer_amp_switch_get); + snd_hda_mixer_amp_switch_get, false); } static int alc_cap_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { return alc_cap_getput_caller(kcontrol, ucontrol, - snd_hda_mixer_amp_switch_put); + snd_hda_mixer_amp_switch_put, true); } #define _DEFINE_CAPMIX(num) \ diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c index b5101efd1c87..f1fd95bb6416 100644 --- a/sound/soc/blackfin/bf5xx-i2s-pcm.c +++ b/sound/soc/blackfin/bf5xx-i2s-pcm.c @@ -138,11 +138,20 @@ static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream) pr_debug("%s enter\n", __func__); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { diff = sport_curr_offset_tx(sport); - frames = bytes_to_frames(substream->runtime, diff); } else { diff = sport_curr_offset_rx(sport); - frames = bytes_to_frames(substream->runtime, diff); } + + /* + * TX at least can report one frame beyond the end of the + * buffer if we hit the wraparound case - clamp to within the + * buffer as the ALSA APIs require. + */ + if (diff == snd_pcm_lib_buffer_bytes(substream)) + diff = 0; + + frames = bytes_to_frames(substream->runtime, diff); + return frames; } diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c index 4be0570e3f1f..65f46047b1cb 100644 --- a/sound/soc/codecs/ak4642.c +++ b/sound/soc/codecs/ak4642.c @@ -357,7 +357,7 @@ static int ak4642_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) default: return -EINVAL; } - snd_soc_update_bits(codec, PW_MGMT2, MS, data); + snd_soc_update_bits(codec, PW_MGMT2, MS | MCKO | PMPLL, data); snd_soc_update_bits(codec, MD_CTL1, BCKO_MASK, bcko); /* format type */ diff --git a/sound/soc/codecs/tlv320aic26.c b/sound/soc/codecs/tlv320aic26.c index e2a7608d3944..7859bdcc93db 100644 --- a/sound/soc/codecs/tlv320aic26.c +++ b/sound/soc/codecs/tlv320aic26.c @@ -161,10 +161,18 @@ static int aic26_hw_params(struct snd_pcm_substream *substream, dev_dbg(&aic26->spi->dev, "bad format\n"); return -EINVAL; } - /* Configure PLL */ + /** + * Configure PLL + * fsref = (mclk * PLLM) / 2048 + * where PLLM = J.DDDD (DDDD register ranges from 0 to 9999, decimal) + */ pval = 1; - jval = (fsref == 44100) ? 7 : 8; - dval = (fsref == 44100) ? 5264 : 1920; + /* compute J portion of multiplier */ + jval = fsref / (aic26->mclk / 2048); + /* compute fractional DDDD component of multiplier */ + dval = fsref - (jval * (aic26->mclk / 2048)); + dval = (10000 * dval) / (aic26->mclk / 2048); + dev_dbg(&aic26->spi->dev, "Setting PLLM to %d.%04d\n", jval, dval); qval = 0; reg = 0x8000 | qval << 11 | pval << 8 | jval << 2; aic26_reg_write(codec, AIC26_REG_PLL_PROG1, reg); diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index c3d96fc8c267..789453d44ec5 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -1114,12 +1114,19 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power) /* Sync reg_cache with the hardware */ codec->cache_only = 0; - for (i = 0; i < ARRAY_SIZE(aic3x_reg); i++) + for (i = AIC3X_SAMPLE_RATE_SEL_REG; i < ARRAY_SIZE(aic3x_reg); i++) snd_soc_write(codec, i, cache[i]); if (aic3x->model == AIC3X_MODEL_3007) aic3x_init_3007(codec); codec->cache_sync = 0; } else { + /* + * Do soft reset to this codec instance in order to clear + * possible VDD leakage currents in case the supply regulators + * remain on + */ + snd_soc_write(codec, AIC3X_RESET, SOFT_RESET); + codec->cache_sync = 1; aic3x->power = 0; /* HW writes are needless when bias is off */ codec->cache_only = 1; diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 2dc964b55e4f..76b4361e9b80 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -175,6 +175,7 @@ static const struct snd_kcontrol_new wm8731_input_mux_controls = SOC_DAPM_ENUM("Input Select", wm8731_insel_enum); static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = { +SND_SOC_DAPM_SUPPLY("ACTIVE",WM8731_ACTIVE, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("OSC", WM8731_PWR, 5, 1, NULL, 0), SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, &wm8731_output_mixer_controls[0], @@ -204,6 +205,8 @@ static int wm8731_check_osc(struct snd_soc_dapm_widget *source, static const struct snd_soc_dapm_route wm8731_intercon[] = { {"DAC", NULL, "OSC", wm8731_check_osc}, {"ADC", NULL, "OSC", wm8731_check_osc}, + {"DAC", NULL, "ACTIVE"}, + {"ADC", NULL, "ACTIVE"}, /* output mixer */ {"Output Mixer", "Line Bypass Switch", "Line Input"}, @@ -315,29 +318,6 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream, return 0; } -static int wm8731_pcm_prepare(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct snd_soc_codec *codec = dai->codec; - - /* set active */ - snd_soc_write(codec, WM8731_ACTIVE, 0x0001); - - return 0; -} - -static void wm8731_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct snd_soc_codec *codec = dai->codec; - - /* deactivate */ - if (!codec->active) { - udelay(50); - snd_soc_write(codec, WM8731_ACTIVE, 0x0); - } -} - static int wm8731_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_codec *codec = dai->codec; @@ -480,7 +460,6 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec, snd_soc_write(codec, WM8731_PWR, reg | 0x0040); break; case SND_SOC_BIAS_OFF: - snd_soc_write(codec, WM8731_ACTIVE, 0x0); snd_soc_write(codec, WM8731_PWR, 0xffff); regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); @@ -496,9 +475,7 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec, SNDRV_PCM_FMTBIT_S24_LE) static struct snd_soc_dai_ops wm8731_dai_ops = { - .prepare = wm8731_pcm_prepare, .hw_params = wm8731_hw_params, - .shutdown = wm8731_shutdown, .digital_mute = wm8731_mute, .set_sysclk = wm8731_set_dai_sysclk, .set_fmt = wm8731_set_dai_fmt, diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 970a95c5360b..83014a7c2e14 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -1190,7 +1190,6 @@ SND_SOC_DAPM_INPUT("DMIC1DAT"), SND_SOC_DAPM_INPUT("DMIC2DAT"), SND_SOC_DAPM_INPUT("Clock"), -SND_SOC_DAPM_MICBIAS("MICBIAS", WM8994_MICBIAS, 2, 0), SND_SOC_DAPM_SUPPLY_S("MICBIAS Supply", 1, SND_SOC_NOPM, 0, 0, micbias_ev, SND_SOC_DAPM_PRE_PMU), @@ -1509,8 +1508,10 @@ static const struct snd_soc_dapm_route wm8994_revd_intercon[] = { { "AIF2DACDAT", NULL, "AIF1DACDAT" }, { "AIF1ADCDAT", NULL, "AIF2ADCDAT" }, { "AIF2ADCDAT", NULL, "AIF1ADCDAT" }, - { "MICBIAS", NULL, "CLK_SYS" }, - { "MICBIAS", NULL, "MICBIAS Supply" }, + { "MICBIAS1", NULL, "CLK_SYS" }, + { "MICBIAS1", NULL, "MICBIAS Supply" }, + { "MICBIAS2", NULL, "CLK_SYS" }, + { "MICBIAS2", NULL, "MICBIAS Supply" }, }; static const struct snd_soc_dapm_route wm8994_intercon[] = { @@ -1713,6 +1714,8 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src, snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset, WM8994_FLL1_ENA | WM8994_FLL1_FRAC, reg); + + msleep(5); } wm8994->fll[id].in = freq_in; @@ -2761,7 +2764,7 @@ static void wm8958_default_micdet(u16 status, void *data) report = SND_JACK_MICROPHONE; /* Everything else is buttons; just assign slots */ - if (status & 0x1c0) + if (status & 0x1c) report |= SND_JACK_BTN_0; done: diff --git a/sound/soc/sh/fsi-ak4642.c b/sound/soc/sh/fsi-ak4642.c index d6f4703b3c07..770a71a15366 100644 --- a/sound/soc/sh/fsi-ak4642.c +++ b/sound/soc/sh/fsi-ak4642.c @@ -97,7 +97,7 @@ static int fsi_ak4642_remove(struct platform_device *pdev) static struct fsi_ak4642_data fsi_a_ak4642 = { .name = "AK4642", - .card = "FSIA (AK4642)", + .card = "FSIA-AK4642", .cpu_dai = "fsia-dai", .codec = "ak4642-codec.0-0012", .platform = "sh_fsi.0", @@ -106,7 +106,7 @@ static struct fsi_ak4642_data fsi_a_ak4642 = { static struct fsi_ak4642_data fsi_b_ak4642 = { .name = "AK4642", - .card = "FSIB (AK4642)", + .card = "FSIB-AK4642", .cpu_dai = "fsib-dai", .codec = "ak4642-codec.0-0012", .platform = "sh_fsi.0", @@ -115,7 +115,7 @@ static struct fsi_ak4642_data fsi_b_ak4642 = { static struct fsi_ak4642_data fsi_a_ak4643 = { .name = "AK4643", - .card = "FSIA (AK4643)", + .card = "FSIA-AK4643", .cpu_dai = "fsia-dai", .codec = "ak4642-codec.0-0013", .platform = "sh_fsi.0", @@ -124,7 +124,7 @@ static struct fsi_ak4642_data fsi_a_ak4643 = { static struct fsi_ak4642_data fsi_b_ak4643 = { .name = "AK4643", - .card = "FSIB (AK4643)", + .card = "FSIB-AK4643", .cpu_dai = "fsib-dai", .codec = "ak4642-codec.0-0013", .platform = "sh_fsi.0", @@ -133,7 +133,7 @@ static struct fsi_ak4642_data fsi_b_ak4643 = { static struct fsi_ak4642_data fsi2_a_ak4642 = { .name = "AK4642", - .card = "FSI2A (AK4642)", + .card = "FSI2A-AK4642", .cpu_dai = "fsia-dai", .codec = "ak4642-codec.0-0012", .platform = "sh_fsi2", @@ -142,7 +142,7 @@ static struct fsi_ak4642_data fsi2_a_ak4642 = { static struct fsi_ak4642_data fsi2_b_ak4642 = { .name = "AK4642", - .card = "FSI2B (AK4642)", + .card = "FSI2B-AK4642", .cpu_dai = "fsib-dai", .codec = "ak4642-codec.0-0012", .platform = "sh_fsi2", @@ -151,7 +151,7 @@ static struct fsi_ak4642_data fsi2_b_ak4642 = { static struct fsi_ak4642_data fsi2_a_ak4643 = { .name = "AK4643", - .card = "FSI2A (AK4643)", + .card = "FSI2A-AK4643", .cpu_dai = "fsia-dai", .codec = "ak4642-codec.0-0013", .platform = "sh_fsi2", @@ -160,7 +160,7 @@ static struct fsi_ak4642_data fsi2_a_ak4643 = { static struct fsi_ak4642_data fsi2_b_ak4643 = { .name = "AK4643", - .card = "FSI2B (AK4643)", + .card = "FSI2B-AK4643", .cpu_dai = "fsib-dai", .codec = "ak4642-codec.0-0013", .platform = "sh_fsi2", diff --git a/sound/soc/sh/fsi-da7210.c b/sound/soc/sh/fsi-da7210.c index dbafd7ac5590..59553fd8c2fb 100644 --- a/sound/soc/sh/fsi-da7210.c +++ b/sound/soc/sh/fsi-da7210.c @@ -42,7 +42,7 @@ static struct snd_soc_dai_link fsi_da7210_dai = { }; static struct snd_soc_card fsi_soc_card = { - .name = "FSI (DA7210)", + .name = "FSI-DA7210", .dai_link = &fsi_da7210_dai, .num_links = 1, }; diff --git a/sound/soc/sh/fsi-hdmi.c b/sound/soc/sh/fsi-hdmi.c index 9719985eb82d..d3d9fd880680 100644 --- a/sound/soc/sh/fsi-hdmi.c +++ b/sound/soc/sh/fsi-hdmi.c @@ -83,13 +83,13 @@ static int fsi_hdmi_remove(struct platform_device *pdev) static struct fsi_hdmi_data fsi2_a_hdmi = { .cpu_dai = "fsia-dai", - .card = "FSI2A (SH MOBILE HDMI)", + .card = "FSI2A-HDMI", .id = FSI_PORT_A, }; static struct fsi_hdmi_data fsi2_b_hdmi = { .cpu_dai = "fsib-dai", - .card = "FSI2B (SH MOBILE HDMI)", + .card = "FSI2B-HDMI", .id = FSI_PORT_B, }; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index d75043ed7fc0..b194be09e74d 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1929,8 +1929,9 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) "%s", card->name); snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), "%s", card->long_name ? card->long_name : card->name); - snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), - "%s", card->driver_name ? card->driver_name : card->name); + if (card->driver_name) + strlcpy(card->snd_card->driver, card->driver_name, + sizeof(card->snd_card->driver)); if (card->late_probe) { ret = card->late_probe(card); diff --git a/sound/soc/tegra/tegra_i2s.c b/sound/soc/tegra/tegra_i2s.c index 6b817e20548c..95f03c10b4f7 100644 --- a/sound/soc/tegra/tegra_i2s.c +++ b/sound/soc/tegra/tegra_i2s.c @@ -222,12 +222,18 @@ static int tegra_i2s_hw_params(struct snd_pcm_substream *substream, if (i2sclock % (2 * srate)) reg |= TEGRA_I2S_TIMING_NON_SYM_ENABLE; + if (!i2s->clk_refs) + clk_enable(i2s->clk_i2s); + tegra_i2s_write(i2s, TEGRA_I2S_TIMING, reg); tegra_i2s_write(i2s, TEGRA_I2S_FIFO_SCR, TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS | TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS); + if (!i2s->clk_refs) + clk_disable(i2s->clk_i2s); + return 0; } |