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Commit 4cf3b520 authored by Ralf Baechle's avatar Ralf Baechle Committed by Tim Shimmin
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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: default avatarRalf Baechle <ralf@linux-mips.org>
Signed-off-by: default avatarDavid Chinner <dgc@sgi.com>
Signed-off-by: default avatarTim Shimmin <tes@sgi.com>
parent 3a68cbfe

fs/xfs/linux-2.6/xfs_super.c

+0 −1
Original line number Diff line number Diff line
@@ -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);

}