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authorLinus Torvalds <torvalds@linux-foundation.org>2011-06-07 18:44:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-06-07 18:44:10 -0700
commitd205df9955feb9c2ae63ac1387804e225ff22605 (patch)
treeabae84cb6fc082f14072089bb0058b1bbd88c97a /fs/gfs2/glock.c
parent24210071e0dd7da1a945a2a1686b93f2b2f3b410 (diff)
parentf90e5b5b136ede1f0fd15999e95f13124d6b0dbd (diff)
downloadtalos-obmc-linux-d205df9955feb9c2ae63ac1387804e225ff22605.tar.gz
talos-obmc-linux-d205df9955feb9c2ae63ac1387804e225ff22605.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes: GFS2: Processes waiting on inode glock that no processes are holding
Diffstat (limited to 'fs/gfs2/glock.c')
-rw-r--r--fs/gfs2/glock.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 2792a790e50b..1c1336e7b3b2 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -663,14 +663,19 @@ static void glock_work_func(struct work_struct *work)
drop_ref = 1;
}
spin_lock(&gl->gl_spin);
- if (test_and_clear_bit(GLF_PENDING_DEMOTE, &gl->gl_flags) &&
+ if (test_bit(GLF_PENDING_DEMOTE, &gl->gl_flags) &&
gl->gl_state != LM_ST_UNLOCKED &&
gl->gl_demote_state != LM_ST_EXCLUSIVE) {
unsigned long holdtime, now = jiffies;
+
holdtime = gl->gl_tchange + gl->gl_ops->go_min_hold_time;
if (time_before(now, holdtime))
delay = holdtime - now;
- set_bit(delay ? GLF_PENDING_DEMOTE : GLF_DEMOTE, &gl->gl_flags);
+
+ if (!delay) {
+ clear_bit(GLF_PENDING_DEMOTE, &gl->gl_flags);
+ set_bit(GLF_DEMOTE, &gl->gl_flags);
+ }
}
run_queue(gl, 0);
spin_unlock(&gl->gl_spin);
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