Since set_current_state() contains a memory barrier in it,
an additional barrier isn't needed.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
---
drivers/md/dm.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 52a8fd8eb17f..2fe3017ba97c 100644
--- 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;

--
1.7.6

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