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| author | Bob Peterson <rpeterso@redhat.com> | 2013-07-25 09:53:49 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2013-09-04 15:58:21 +0100 |
| commit | 068213f7d3378d3e33d0f1b9415b2fdc3e9efa14 (patch) | |
| tree | 306c039eacdae598cb7f401171212e1e2b659f96 /fs/gfs2/glock.c | |
| parent | 9d35814355e2baba9de523941e2ce52235359670 (diff) | |
| download | linux-068213f7d3378d3e33d0f1b9415b2fdc3e9efa14.tar.bz2 | |
GFS2: Remove unnecessary memory barrier
Function test_and_clear_bit implies a memory barrier, so subsequent
memory barriers are unnecessary.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/glock.c')
| -rw-r--r-- | fs/gfs2/glock.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index ce7078d5aa97..722329cac98f 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1411,7 +1411,6 @@ __acquires(&lru_lock) if (demote_ok(gl)) handle_callback(gl, LM_ST_UNLOCKED, 0, false); WARN_ON(!test_and_clear_bit(GLF_LOCK, &gl->gl_flags)); - smp_mb__after_clear_bit(); if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) gfs2_glock_put_nolock(gl); spin_unlock(&gl->gl_spin); |