diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/gfs2/Kconfig | 2 | ||||
-rw-r--r-- | fs/gfs2/ops_address.c | 1 | ||||
-rw-r--r-- | fs/gfs2/ops_file.c | 2 | ||||
-rw-r--r-- | fs/inode.c | 20 | ||||
-rw-r--r-- | fs/ncpfs/ioctl.c | 2 | ||||
-rw-r--r-- | fs/ocfs2/cluster/heartbeat.c | 2 | ||||
-rw-r--r-- | fs/proc/base.c | 231 | ||||
-rw-r--r-- | fs/proc/generic.c | 8 | ||||
-rw-r--r-- | fs/proc/inode.c | 3 | ||||
-rw-r--r-- | fs/proc/proc_net.c | 2 | ||||
-rw-r--r-- | fs/proc/root.c | 8 | ||||
-rw-r--r-- | fs/proc/task_nommu.c | 2 | ||||
-rw-r--r-- | fs/super.c | 10 | ||||
-rw-r--r-- | fs/ubifs/Kconfig | 2 | ||||
-rw-r--r-- | fs/ubifs/budget.c | 4 | ||||
-rw-r--r-- | fs/ubifs/gc.c | 2 | ||||
-rw-r--r-- | fs/ubifs/journal.c | 2 | ||||
-rw-r--r-- | fs/ubifs/shrinker.c | 2 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 2 |
19 files changed, 170 insertions, 137 deletions
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig index ab2f57e3fb87..e563a6449811 100644 --- a/fs/gfs2/Kconfig +++ b/fs/gfs2/Kconfig @@ -1,6 +1,6 @@ config GFS2_FS tristate "GFS2 file system support" - depends on EXPERIMENTAL && (64BIT || (LSF && LBD)) + depends on EXPERIMENTAL && (64BIT || LBD) select FS_POSIX_ACL select CRC32 help diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 6e4ea36c6605..4ddab67867eb 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -675,6 +675,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, goto out_trans_fail; error = -ENOMEM; + flags |= AOP_FLAG_NOFS; page = grab_cache_page_write_begin(mapping, index, flags); *pagep = page; if (unlikely(!page)) diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index 289c5f54ba53..93fe41b67f97 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -342,7 +342,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page) struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); unsigned long last_index; - u64 pos = page->index << (PAGE_CACHE_SIZE - inode->i_blkbits); + u64 pos = page->index << PAGE_CACHE_SHIFT; unsigned int data_blocks, ind_blocks, rblocks; int alloc_required = 0; struct gfs2_holder gh; diff --git a/fs/inode.c b/fs/inode.c index 7a6e8c2ff7b1..0013ac1af8e7 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -22,6 +22,7 @@ #include <linux/bootmem.h> #include <linux/inotify.h> #include <linux/mount.h> +#include <linux/async.h> /* * This is needed for the following functions: @@ -1138,16 +1139,11 @@ EXPORT_SYMBOL(remove_inode_hash); * I_FREEING is set so that no-one will take a new reference to the inode while * it is being deleted. */ -void generic_delete_inode(struct inode *inode) +static void generic_delete_inode_async(void *data, async_cookie_t cookie) { + struct inode *inode = data; const struct super_operations *op = inode->i_sb->s_op; - list_del_init(&inode->i_list); - list_del_init(&inode->i_sb_list); - inode->i_state |= I_FREEING; - inodes_stat.nr_inodes--; - spin_unlock(&inode_lock); - security_inode_delete(inode); if (op->delete_inode) { @@ -1171,6 +1167,16 @@ void generic_delete_inode(struct inode *inode) destroy_inode(inode); } +void generic_delete_inode(struct inode *inode) +{ + list_del_init(&inode->i_list); + list_del_init(&inode->i_sb_list); + inode->i_state |= I_FREEING; + inodes_stat.nr_inodes--; + spin_unlock(&inode_lock); + async_schedule_special(generic_delete_inode_async, inode, &inode->i_sb->s_async_list); +} + EXPORT_SYMBOL(generic_delete_inode); static void generic_forget_inode(struct inode *inode) diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c index 6d04e050c74e..f54360f50a9c 100644 --- a/fs/ncpfs/ioctl.c +++ b/fs/ncpfs/ioctl.c @@ -98,7 +98,7 @@ struct compat_ncp_objectname_ioctl { s32 auth_type; u32 object_name_len; - compat_caddr_t object_name; /* an userspace data, in most cases user name */ + compat_caddr_t object_name; /* a userspace data, in most cases user name */ }; struct compat_ncp_fs_info_v2 { diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 6ebaa58e2c03..04697ba7f73e 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -854,7 +854,7 @@ static int o2hb_thread(void *data) while (!kthread_should_stop() && !reg->hr_unclean_stop) { /* We track the time spent inside - * o2hb_do_disk_heartbeat so that we avoid more then + * o2hb_do_disk_heartbeat so that we avoid more than * hr_timeout_ms between disk writes. On busy systems * this should result in a heartbeat which is less * likely to time itself out. */ diff --git a/fs/proc/base.c b/fs/proc/base.c index 10fd5223d600..0c9de19a1633 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -65,6 +65,7 @@ #include <linux/mm.h> #include <linux/rcupdate.h> #include <linux/kallsyms.h> +#include <linux/stacktrace.h> #include <linux/resource.h> #include <linux/module.h> #include <linux/mount.h> @@ -109,25 +110,22 @@ struct pid_entry { .op = OP, \ } -#define DIR(NAME, MODE, OTYPE) \ - NOD(NAME, (S_IFDIR|(MODE)), \ - &proc_##OTYPE##_inode_operations, &proc_##OTYPE##_operations, \ - {} ) -#define LNK(NAME, OTYPE) \ +#define DIR(NAME, MODE, iops, fops) \ + NOD(NAME, (S_IFDIR|(MODE)), &iops, &fops, {} ) +#define LNK(NAME, get_link) \ NOD(NAME, (S_IFLNK|S_IRWXUGO), \ &proc_pid_link_inode_operations, NULL, \ - { .proc_get_link = &proc_##OTYPE##_link } ) -#define REG(NAME, MODE, OTYPE) \ - NOD(NAME, (S_IFREG|(MODE)), NULL, \ - &proc_##OTYPE##_operations, {}) -#define INF(NAME, MODE, OTYPE) \ + { .proc_get_link = get_link } ) +#define REG(NAME, MODE, fops) \ + NOD(NAME, (S_IFREG|(MODE)), NULL, &fops, {}) +#define INF(NAME, MODE, read) \ NOD(NAME, (S_IFREG|(MODE)), \ NULL, &proc_info_file_operations, \ - { .proc_read = &proc_##OTYPE } ) -#define ONE(NAME, MODE, OTYPE) \ + { .proc_read = read } ) +#define ONE(NAME, MODE, show) \ NOD(NAME, (S_IFREG|(MODE)), \ NULL, &proc_single_file_operations, \ - { .proc_show = &proc_##OTYPE } ) + { .proc_show = show } ) /* * Count the number of hardlinks for the pid_entry table, excluding the . @@ -308,9 +306,9 @@ static int proc_pid_auxv(struct task_struct *task, char *buffer) struct mm_struct *mm = get_task_mm(task); if (mm) { unsigned int nwords = 0; - do + do { nwords += 2; - while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */ + } while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */ res = nwords * sizeof(mm->saved_auxv[0]); if (res > PAGE_SIZE) res = PAGE_SIZE; @@ -340,6 +338,37 @@ static int proc_pid_wchan(struct task_struct *task, char *buffer) } #endif /* CONFIG_KALLSYMS */ +#ifdef CONFIG_STACKTRACE + +#define MAX_STACK_TRACE_DEPTH 64 + +static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns, + struct pid *pid, struct task_struct *task) +{ + struct stack_trace trace; + unsigned long *entries; + int i; + + entries = kmalloc(MAX_STACK_TRACE_DEPTH * sizeof(*entries), GFP_KERNEL); + if (!entries) + return -ENOMEM; + + trace.nr_entries = 0; + trace.max_entries = MAX_STACK_TRACE_DEPTH; + trace.entries = entries; + trace.skip = 0; + save_stack_trace_tsk(task, &trace); + + for (i = 0; i < trace.nr_entries; i++) { + seq_printf(m, "[<%p>] %pS\n", + (void *)entries[i], (void *)entries[i]); + } + kfree(entries); + + return 0; +} +#endif + #ifdef CONFIG_SCHEDSTATS /* * Provides /proc/PID/schedstat @@ -1186,8 +1215,6 @@ static int sched_show(struct seq_file *m, void *v) struct inode *inode = m->private; struct task_struct *p; - WARN_ON(!inode); - p = get_proc_task(inode); if (!p) return -ESRCH; @@ -1205,8 +1232,6 @@ sched_write(struct file *file, const char __user *buf, struct inode *inode = file->f_path.dentry->d_inode; struct task_struct *p; - WARN_ON(!inode); - p = get_proc_task(inode); if (!p) return -ESRCH; @@ -1974,13 +1999,11 @@ static struct dentry *proc_pident_lookup(struct inode *dir, const struct pid_entry *ents, unsigned int nents) { - struct inode *inode; struct dentry *error; struct task_struct *task = get_proc_task(dir); const struct pid_entry *p, *last; error = ERR_PTR(-ENOENT); - inode = NULL; if (!task) goto out_no_task; @@ -2136,12 +2159,12 @@ static const struct file_operations proc_pid_attr_operations = { }; static const struct pid_entry attr_dir_stuff[] = { - REG("current", S_IRUGO|S_IWUGO, pid_attr), - REG("prev", S_IRUGO, pid_attr), - REG("exec", S_IRUGO|S_IWUGO, pid_attr), - REG("fscreate", S_IRUGO|S_IWUGO, pid_attr), - REG("keycreate", S_IRUGO|S_IWUGO, pid_attr), - REG("sockcreate", S_IRUGO|S_IWUGO, pid_attr), + REG("current", S_IRUGO|S_IWUGO, proc_pid_attr_operations), + REG("prev", S_IRUGO, proc_pid_attr_operations), + REG("exec", S_IRUGO|S_IWUGO, proc_pid_attr_operations), + REG("fscreate", S_IRUGO|S_IWUGO, proc_pid_attr_operations), + REG("keycreate", S_IRUGO|S_IWUGO, proc_pid_attr_operations), + REG("sockcreate", S_IRUGO|S_IWUGO, proc_pid_attr_operations), }; static int proc_attr_dir_readdir(struct file * filp, @@ -2461,74 +2484,77 @@ static const struct file_operations proc_task_operations; static const struct inode_operations proc_task_inode_operations; static const struct pid_entry tgid_base_stuff[] = { - DIR("task", S_IRUGO|S_IXUGO, task), - DIR("fd", S_IRUSR|S_IXUSR, fd), - DIR("fdinfo", S_IRUSR|S_IXUSR, fdinfo), + DIR("task", S_IRUGO|S_IXUGO, proc_task_inode_operations, proc_task_operations), + DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations), + DIR("fdinfo", S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations), #ifdef CONFIG_NET - DIR("net", S_IRUGO|S_IXUGO, net), + DIR("net", S_IRUGO|S_IXUGO, proc_net_inode_operations, proc_net_operations), #endif - REG("environ", S_IRUSR, environ), - INF("auxv", S_IRUSR, pid_auxv), - ONE("status", S_IRUGO, pid_status), - ONE("personality", S_IRUSR, pid_personality), - INF("limits", S_IRUSR, pid_limits), + REG("environ", S_IRUSR, proc_environ_operations), + INF("auxv", S_IRUSR, proc_pid_auxv), + ONE("status", S_IRUGO, proc_pid_status), + ONE("personality", S_IRUSR, proc_pid_personality), + INF("limits", S_IRUSR, proc_pid_limits), #ifdef CONFIG_SCHED_DEBUG - REG("sched", S_IRUGO|S_IWUSR, pid_sched), + REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations), #endif #ifdef CONFIG_HAVE_ARCH_TRACEHOOK - INF("syscall", S_IRUSR, pid_syscall), + INF("syscall", S_IRUSR, proc_pid_syscall), #endif - INF("cmdline", S_IRUGO, pid_cmdline), - ONE("stat", S_IRUGO, tgid_stat), - ONE("statm", S_IRUGO, pid_statm), - REG("maps", S_IRUGO, maps), + INF("cmdline", S_IRUGO, proc_pid_cmdline), + ONE("stat", S_IRUGO, proc_tgid_stat), + ONE("statm", S_IRUGO, proc_pid_statm), + REG("maps", S_IRUGO, proc_maps_operations), #ifdef CONFIG_NUMA - REG("numa_maps", S_IRUGO, numa_maps), + REG("numa_maps", S_IRUGO, proc_numa_maps_operations), #endif - REG("mem", S_IRUSR|S_IWUSR, mem), - LNK("cwd", cwd), - LNK("root", root), - LNK("exe", exe), - REG("mounts", S_IRUGO, mounts), - REG("mountinfo", S_IRUGO, mountinfo), - REG("mountstats", S_IRUSR, mountstats), + REG("mem", S_IRUSR|S_IWUSR, proc_mem_operations), + LNK("cwd", proc_cwd_link), + LNK("root", proc_root_link), + LNK("exe", proc_exe_link), + REG("mounts", S_IRUGO, proc_mounts_operations), + REG("mountinfo", S_IRUGO, proc_mountinfo_operations), + REG("mountstats", S_IRUSR, proc_mountstats_operations), #ifdef CONFIG_PROC_PAGE_MONITOR - REG("clear_refs", S_IWUSR, clear_refs), - REG("smaps", S_IRUGO, smaps), - REG("pagemap", S_IRUSR, pagemap), + REG("clear_refs", S_IWUSR, proc_clear_refs_operations), + REG("smaps", S_IRUGO, proc_smaps_operations), + REG("pagemap", S_IRUSR, proc_pagemap_operations), #endif #ifdef CONFIG_SECURITY - DIR("attr", S_IRUGO|S_IXUGO, attr_dir), + DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations), #endif #ifdef CONFIG_KALLSYMS - INF("wchan", S_IRUGO, pid_wchan), + INF("wchan", S_IRUGO, proc_pid_wchan), +#endif +#ifdef CONFIG_STACKTRACE + ONE("stack", S_IRUSR, proc_pid_stack), #endif #ifdef CONFIG_SCHEDSTATS - INF("schedstat", S_IRUGO, pid_schedstat), + INF("schedstat", S_IRUGO, proc_pid_schedstat), #endif #ifdef CONFIG_LATENCYTOP - REG("latency", S_IRUGO, lstats), + REG("latency", S_IRUGO, proc_lstats_operations), #endif #ifdef CONFIG_PROC_PID_CPUSET - REG("cpuset", S_IRUGO, cpuset), + REG("cpuset", S_IRUGO, proc_cpuset_operations), #endif #ifdef CONFIG_CGROUPS - REG("cgroup", S_IRUGO, cgroup), + REG("cgroup", S_IRUGO, proc_cgroup_operations), #endif - INF("oom_score", S_IRUGO, oom_score), - REG("oom_adj", S_IRUGO|S_IWUSR, oom_adjust), + INF("oom_score", S_IRUGO, proc_oom_score), + REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adjust_operations), #ifdef CONFIG_AUDITSYSCALL - REG("loginuid", S_IWUSR|S_IRUGO, loginuid), - REG("sessionid", S_IRUGO, sessionid), + REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations), + REG("sessionid", S_IRUGO, proc_sessionid_operations), #endif #ifdef CONFIG_FAULT_INJECTION - REG("make-it-fail", S_IRUGO|S_IWUSR, fault_inject), + REG("make-it-fail", S_IRUGO|S_IWUSR, proc_fault_inject_operations), #endif #if defined(USE_ELF_CORE_DUMP) && defined(CONFIG_ELF_CORE) - REG("coredump_filter", S_IRUGO|S_IWUSR, coredump_filter), + REG("coredump_filter", S_IRUGO|S_IWUSR, proc_coredump_filter_operations), #endif #ifdef CONFIG_TASK_IO_ACCOUNTING - INF("io", S_IRUGO, tgid_io_accounting), + INF("io", S_IRUGO, proc_tgid_io_accounting), #endif }; @@ -2801,66 +2827,69 @@ out_no_task: * Tasks */ static const struct pid_entry tid_base_stuff[] = { - DIR("fd", S_IRUSR|S_IXUSR, fd), - DIR("fdinfo", S_IRUSR|S_IXUSR, fdinfo), - REG("environ", S_IRUSR, environ), - INF("auxv", S_IRUSR, pid_auxv), - ONE("status", S_IRUGO, pid_status), - ONE("personality", S_IRUSR, pid_personality), - INF("limits", S_IRUSR, pid_limits), + DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations), + DIR("fdinfo", S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fd_operations), + REG("environ", S_IRUSR, proc_environ_operations), + INF("auxv", S_IRUSR, proc_pid_auxv), + ONE("status", S_IRUGO, proc_pid_status), + ONE("personality", S_IRUSR, proc_pid_personality), + INF("limits", S_IRUSR, proc_pid_limits), #ifdef CONFIG_SCHED_DEBUG - REG("sched", S_IRUGO|S_IWUSR, pid_sched), + REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations), #endif #ifdef CONFIG_HAVE_ARCH_TRACEHOOK - INF("syscall", S_IRUSR, pid_syscall), + INF("syscall", S_IRUSR, proc_pid_syscall), #endif - INF("cmdline", S_IRUGO, pid_cmdline), - ONE("stat", S_IRUGO, tid_stat), - ONE("statm", S_IRUGO, pid_statm), - REG("maps", S_IRUGO, maps), + INF("cmdline", S_IRUGO, proc_pid_cmdline), + ONE("stat", S_IRUGO, proc_tid_stat), + ONE("statm", S_IRUGO, proc_pid_statm), + REG("maps", S_IRUGO, proc_maps_operations), #ifdef CONFIG_NUMA - REG("numa_maps", S_IRUGO, numa_maps), + REG("numa_maps", S_IRUGO, proc_numa_maps_operations), #endif - REG("mem", S_IRUSR|S_IWUSR, mem), - LNK("cwd", cwd), - LNK("root", root), - LNK("exe", exe), - REG("mounts", S_IRUGO, mounts), - REG("mountinfo", S_IRUGO, mountinfo), + REG("mem", S_IRUSR|S_IWUSR, proc_mem_operations), + LNK("cwd", proc_cwd_link), + LNK("root", proc_root_link), + LNK("exe", proc_exe_link), + REG("mounts", S_IRUGO, proc_mounts_operations), + REG("mountinfo", S_IRUGO, proc_mountinfo_operations), #ifdef CONFIG_PROC_PAGE_MONITOR - REG("clear_refs", S_IWUSR, clear_refs), - REG("smaps", S_IRUGO, smaps), - REG("pagemap", S_IRUSR, pagemap), + REG("clear_refs", S_IWUSR, proc_clear_refs_operations), + REG("smaps", S_IRUGO, proc_smaps_operations), + REG("pagemap", S_IRUSR, proc_pagemap_operations), #endif #ifdef CONFIG_SECURITY - DIR("attr", S_IRUGO|S_IXUGO, attr_dir), + DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations), #endif #ifdef CONFIG_KALLSYMS - INF("wchan", S_IRUGO, pid_wchan), + INF("wchan", S_IRUGO, proc_pid_wchan), +#endif +#ifdef CONFIG_STACKTRACE + ONE("stack", S_IRUSR, proc_pid_stack), #endif #ifdef CONFIG_SCHEDSTATS - INF("schedstat", S_IRUGO, pid_schedstat), + INF("schedstat", S_IRUGO, proc_pid_schedstat), #endif #ifdef CONFIG_LATENCYTOP - REG("latency", S_IRUGO, lstats), + REG("latency", S_IRUGO, proc_lstats_operations), #endif #ifdef CONFIG_PROC_PID_CPUSET - REG("cpuset", S_IRUGO, cpuset), + REG("cpuset", S_IRUGO, proc_cpuset_operations), #endif #ifdef CONFIG_CGROUPS - REG("cgroup", S_IRUGO, cgroup), + REG("cgroup", S_IRUGO, proc_cgroup_operations), #endif - INF("oom_score", S_IRUGO, oom_score), - REG("oom_adj", S_IRUGO|S_IWUSR, oom_adjust), + INF("oom_score", S_IRUGO, proc_oom_score), + REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adjust_operations), #ifdef CONFIG_AUDITSYSCALL - REG("loginuid", S_IWUSR|S_IRUGO, loginuid), - REG("sessionid", S_IRUSR, sessionid), + REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations), + REG("sessionid", S_IRUSR, proc_sessionid_operations), #endif #ifdef CONFIG_FAULT_INJECTION - REG("make-it-fail", S_IRUGO|S_IWUSR, fault_inject), + REG("make-it-fail", S_IRUGO|S_IWUSR, proc_fault_inject_operations), #endif #ifdef CONFIG_TASK_IO_ACCOUNTING - INF("io", S_IRUGO, tid_io_accounting), + INF("io", S_IRUGO, proc_tid_io_accounting), #endif }; diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 60a359b35582..db7fa5cab988 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -14,7 +14,6 @@ #include <linux/stat.h> #include <linux/module.h> #include <linux/mount.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/idr.h> #include <linux/namei.h> @@ -379,7 +378,6 @@ struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *dir, struct inode *inode = NULL; int error = -ENOENT; - lock_kernel(); spin_lock(&proc_subdir_lock); for (de = de->subdir; de ; de = de->next) { if (de->namelen != dentry->d_name.len) @@ -397,7 +395,6 @@ struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *dir, } spin_unlock(&proc_subdir_lock); out_unlock: - unlock_kernel(); if (inode) { dentry->d_op = &proc_dentry_operations; @@ -432,8 +429,6 @@ int proc_readdir_de(struct proc_dir_entry *de, struct file *filp, void *dirent, struct inode *inode = filp->f_path.dentry->d_inode; int ret = 0; - lock_kernel(); - ino = inode->i_ino; i = filp->f_pos; switch (i) { @@ -487,7 +482,7 @@ int proc_readdir_de(struct proc_dir_entry *de, struct file *filp, void *dirent, spin_unlock(&proc_subdir_lock); } ret = 1; -out: unlock_kernel(); +out: return ret; } @@ -504,6 +499,7 @@ int proc_readdir(struct file *filp, void *dirent, filldir_t filldir) * the /proc directory. */ static const struct file_operations proc_dir_operations = { + .llseek = generic_file_llseek, .read = generic_read_dir, .readdir = proc_readdir, }; diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 2543fd00c658..3e76bb9b3ad6 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -35,16 +35,13 @@ struct proc_dir_entry *de_get(struct proc_dir_entry *de) */ void de_put(struct proc_dir_entry *de) { - lock_kernel(); if (!atomic_read(&de->count)) { printk("de_put: entry %s already free!\n", de->name); - unlock_kernel(); return; } if (atomic_dec_and_test(&de->count)) free_proc_entry(de); - unlock_kernel(); } /* diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c index 7bc296f424ae..04d1270f1c38 100644 --- a/fs/proc/proc_net.c +++ b/fs/proc/proc_net.c @@ -18,7 +18,6 @@ #include <linux/sched.h> #include <linux/module.h> #include <linux/bitops.h> -#include <linux/smp_lock.h> #include <linux/mount.h> #include <linux/nsproxy.h> #include <net/net_namespace.h> @@ -172,6 +171,7 @@ static int proc_tgid_net_readdir(struct file *filp, void *dirent, } const struct file_operations proc_net_operations = { + .llseek = generic_file_llseek, .read = generic_read_dir, .readdir = proc_tgid_net_readdir, }; diff --git a/fs/proc/root.c b/fs/proc/root.c index 7761602af9de..f6299a25594e 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/module.h> #include <linux/bitops.h> -#include <linux/smp_lock.h> #include <linux/mount.h> #include <linux/pid_namespace.h> @@ -162,17 +161,12 @@ static int proc_root_readdir(struct file * filp, unsigned int nr = filp->f_pos; int ret; - lock_kernel(); - if (nr < FIRST_PROCESS_ENTRY) { int error = proc_readdir(filp, dirent, filldir); - if (error <= 0) { - unlock_kernel(); + if (error <= 0) return error; - } filp->f_pos = FIRST_PROCESS_ENTRY; } - unlock_kernel(); ret = proc_pid_readdir(filp, dirent, filldir); return ret; diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index 219bd79ea894..d4a8be32b902 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -9,7 +9,7 @@ /* * Logic: we've got two memory sums for each process, "shared", and - * "non-shared". Shared memory may get counted more then once, for + * "non-shared". Shared memory may get counted more than once, for * each process that owns it. Non-shared memory is counted * accurately. */ diff --git a/fs/super.c b/fs/super.c index ddba069d7a99..cb20744ec789 100644 --- a/fs/super.c +++ b/fs/super.c @@ -38,6 +38,7 @@ #include <linux/kobject.h> #include <linux/mutex.h> #include <linux/file.h> +#include <linux/async.h> #include <asm/uaccess.h> #include "internal.h" @@ -71,6 +72,7 @@ static struct super_block *alloc_super(struct file_system_type *type) INIT_HLIST_HEAD(&s->s_anon); INIT_LIST_HEAD(&s->s_inodes); INIT_LIST_HEAD(&s->s_dentry_lru); + INIT_LIST_HEAD(&s->s_async_list); init_rwsem(&s->s_umount); mutex_init(&s->s_lock); lockdep_set_class(&s->s_umount, &type->s_umount_key); @@ -289,11 +291,18 @@ void generic_shutdown_super(struct super_block *sb) { const struct super_operations *sop = sb->s_op; + if (sb->s_root) { shrink_dcache_for_umount(sb); fsync_super(sb); lock_super(sb); sb->s_flags &= ~MS_ACTIVE; + + /* + * wait for asynchronous fs operations to finish before going further + */ + async_synchronize_full_special(&sb->s_async_list); + /* bad name - it should be evict_inodes() */ invalidate_inodes(sb); lock_kernel(); @@ -449,6 +458,7 @@ void sync_filesystems(int wait) if (sb->s_flags & MS_RDONLY) continue; sb->s_need_sync_fs = 1; + async_synchronize_full_special(&sb->s_async_list); } restart: diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig index 91ceeda7e5bf..e35b54d5059d 100644 --- a/fs/ubifs/Kconfig +++ b/fs/ubifs/Kconfig @@ -40,7 +40,7 @@ config UBIFS_FS_ZLIB depends on UBIFS_FS default y help - Zlib copresses better then LZO but it is slower. Say 'Y' if unsure. + Zlib compresses better than LZO but it is slower. Say 'Y' if unsure. # Debugging-related stuff config UBIFS_FS_DEBUG diff --git a/fs/ubifs/budget.c b/fs/ubifs/budget.c index 0e5e54d82924..175f9c590b77 100644 --- a/fs/ubifs/budget.c +++ b/fs/ubifs/budget.c @@ -142,7 +142,7 @@ static long long get_liability(struct ubifs_info *c) * * This function is called when an operation cannot be budgeted because there * is supposedly no free space. But in most cases there is some free space: - * o budgeting is pessimistic, so it always budgets more then it is actually + * o budgeting is pessimistic, so it always budgets more than it is actually * needed, so shrinking the liability is one way to make free space - the * cached data will take less space then it was budgeted for; * o GC may turn some dark space into free space (budgeting treats dark space @@ -606,7 +606,7 @@ void ubifs_release_budget(struct ubifs_info *c, struct ubifs_budget_req *req) * @c: UBIFS file-system description object * * This function converts budget which was allocated for a new page of data to - * the budget of changing an existing page of data. The latter is smaller then + * the budget of changing an existing page of data. The latter is smaller than * the former, so this function only does simple re-calculation and does not * involve any write-back. */ diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c index 0bef6501d58a..9832f9abe28e 100644 --- a/fs/ubifs/gc.c +++ b/fs/ubifs/gc.c @@ -45,7 +45,7 @@ #define SMALL_NODE_WM UBIFS_MAX_DENT_NODE_SZ /* - * GC may need to move more then one LEB to make progress. The below constants + * GC may need to move more than one LEB to make progress. The below constants * define "soft" and "hard" limits on the number of LEBs the garbage collector * may move. */ diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c index 10ae25b7d1db..9b7c54e0cd2a 100644 --- a/fs/ubifs/journal.c +++ b/fs/ubifs/journal.c @@ -191,7 +191,7 @@ again: if (wbuf->lnum != -1 && avail >= len) { /* * Someone else has switched the journal head and we have - * enough space now. This happens when more then one process is + * enough space now. This happens when more than one process is * trying to write to the same journal head at the same time. */ dbg_jnl("return LEB %d back, already have LEB %d:%d", diff --git a/fs/ubifs/shrinker.c b/fs/ubifs/shrinker.c index f248533841a2..e7bab52a1410 100644 --- a/fs/ubifs/shrinker.c +++ b/fs/ubifs/shrinker.c @@ -151,7 +151,7 @@ static int shrink_tnc(struct ubifs_info *c, int nr, int age, int *contention) * @contention: if any contention, this is set to %1 * * This function walks the list of mounted UBIFS file-systems and frees clean - * znodes which are older then @age, until at least @nr znodes are freed. + * znodes which are older than @age, until at least @nr znodes are freed. * Returns the number of freed znodes. */ static int shrink_tnc_trees(int nr, int age, int *contention) diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 36f6cc703ef2..be846d606ae8 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -1348,7 +1348,7 @@ xfs_finish_flags( { int ronly = (mp->m_flags & XFS_MOUNT_RDONLY); - /* Fail a mount where the logbuf is smaller then the log stripe */ + /* Fail a mount where the logbuf is smaller than the log stripe */ if (xfs_sb_version_haslogv2(&mp->m_sb)) { if (mp->m_logbsize <= 0 && mp->m_sb.sb_logsunit > XLOG_BIG_RECORD_BSIZE) { |