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path: root/fs/xfs/linux-2.6/xfs_super.c
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Diffstat (limited to 'fs/xfs/linux-2.6/xfs_super.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_super.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index b93265b7c79c..1a4103ca593c 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -43,8 +43,6 @@
#include "xfs_itable.h"
#include "xfs_rw.h"
#include "xfs_acl.h"
-#include "xfs_cap.h"
-#include "xfs_mac.h"
#include "xfs_attr.h"
#include "xfs_buf_item.h"
#include "xfs_utils.h"
@@ -58,10 +56,10 @@
#include <linux/kthread.h>
#include <linux/freezer.h>
-STATIC struct quotactl_ops xfs_quotactl_operations;
-STATIC struct super_operations xfs_super_operations;
-STATIC kmem_zone_t *xfs_vnode_zone;
-STATIC kmem_zone_t *xfs_ioend_zone;
+static struct quotactl_ops xfs_quotactl_operations;
+static struct super_operations xfs_super_operations;
+static kmem_zone_t *xfs_vnode_zone;
+static kmem_zone_t *xfs_ioend_zone;
mempool_t *xfs_ioend_pool;
STATIC struct xfs_mount_args *
@@ -121,7 +119,7 @@ xfs_max_file_offset(
return (((__uint64_t)pagefactor) << bitshift) - 1;
}
-STATIC __inline__ void
+STATIC_INLINE void
xfs_set_inodeops(
struct inode *inode)
{
@@ -147,7 +145,7 @@ xfs_set_inodeops(
}
}
-STATIC __inline__ void
+STATIC_INLINE void
xfs_revalidate_inode(
xfs_mount_t *mp,
bhv_vnode_t *vp,
@@ -553,7 +551,6 @@ vfs_sync_worker(
error = bhv_vfs_sync(vfsp, SYNC_FSDATA | SYNC_BDFLUSH | \
SYNC_ATTR | SYNC_REFCACHE, NULL);
vfsp->vfs_sync_seq++;
- wmb();
wake_up(&vfsp->vfs_wait_single_sync_task);
}
@@ -659,9 +656,17 @@ xfs_fs_sync_super(
int error;
int flags;
- if (unlikely(sb->s_frozen == SB_FREEZE_WRITE))
- flags = SYNC_QUIESCE;
- else
+ if (unlikely(sb->s_frozen == SB_FREEZE_WRITE)) {
+ /*
+ * First stage of freeze - no more writers will make progress
+ * now we are here, so we flush delwri and delalloc buffers
+ * here, then wait for all I/O to complete. Data is frozen at
+ * that point. Metadata is not frozen, transactions can still
+ * occur here so don't bother flushing the buftarg (i.e
+ * SYNC_QUIESCE) because it'll just get dirty again.
+ */
+ flags = SYNC_FSDATA | SYNC_DELWRI | SYNC_WAIT | SYNC_IOWAIT;
+ } else
flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0);
error = bhv_vfs_sync(vfsp, flags, NULL);
@@ -873,7 +878,7 @@ xfs_fs_get_sb(
mnt);
}
-STATIC struct super_operations xfs_super_operations = {
+static struct super_operations xfs_super_operations = {
.alloc_inode = xfs_fs_alloc_inode,
.destroy_inode = xfs_fs_destroy_inode,
.write_inode = xfs_fs_write_inode,
@@ -887,7 +892,7 @@ STATIC struct super_operations xfs_super_operations = {
.show_options = xfs_fs_show_options,
};
-STATIC struct quotactl_ops xfs_quotactl_operations = {
+static struct quotactl_ops xfs_quotactl_operations = {
.quota_sync = xfs_fs_quotasync,
.get_xstate = xfs_fs_getxstate,
.set_xstate = xfs_fs_setxstate,