Linux Archive

Linux Archive (http://www.linux-archive.org/)
-   Device-mapper Development (http://www.linux-archive.org/device-mapper-development/)
-   -   dm: get rid of smp_mb() after set_current_state() (http://www.linux-archive.org/device-mapper-development/562442-dm-get-rid-smp_mb-after-set_current_state.html)

Namhyung Kim 08-10-2011 04:52 AM

dm: get rid of smp_mb() after set_current_state()
 
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

--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel


All times are GMT. The time now is 10:51 AM.

VBulletin, Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO ©2007, Crawlability, Inc.