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[XFS] Remove useless memory barrier 

wake_up's implementation does an implicit memory barrier so the explicit
memory barrier is not needed in vfs_sync_worker.

Patch provided by Ralf Baechle.

SGI-PV: 960867
SGI-Modid: xfs-linux-melb:xfs-kern:28032a

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Ralf Baechle 2007-02-10 18:37:04 +11:00 committed by Tim Shimmin
parent 3a68cbfe02
commit 4cf3b52080
1 changed files with 0 additions and 1 deletions
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1
fs/xfs/linux-2.6/xfs_super.c
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@ -553,7 +553,6 @@ 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);
}