dm: remove superfluous smp_mb

Since set_current_state() contains a memory barrier in it, an additional barrier isn't needed. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
git-mirror · Oct 31, 2011 · fbdc86f · fbdc86f
1 parent 71a1673
commit fbdc86f
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
@@ -2326,7 +2326,6 @@ static int dm_wait_for_completion(struct mapped_device *md, int interruptible)
 	while (1) {
 		set_current_state(interruptible);
 
-		smp_mb();
 		if (!md_in_flight(md))
 			break;