aboutsummaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
authorSunil Mushran <sunil.mushran@oracle.com>2008-03-01 14:04:25 -0800
committerMark Fasheh <mark.fasheh@oracle.com>2008-03-10 15:14:17 -0700
commitc824c3c723f2e37a00b3b739a55b28de595fd72e (patch)
treec5cd618420cc66f238f0273d6d59dbed46099dca /fs
parent535f7026fddafce6d0a0524db01a432c23a0a7b4 (diff)
downloadvexpress-lsk-c824c3c723f2e37a00b3b739a55b28de595fd72e.tar.gz
ocfs2/dlm: dlm_thread should not sleep while holding the dlm_spinlock
This patch addresses the bug in which the dlm_thread could go to sleep while holding the dlm_spinlock. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ocfs2/dlm/dlmthread.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index cebd089f895..4060bb328bc 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -176,12 +176,14 @@ static int dlm_purge_lockres(struct dlm_ctxt *dlm,
res->lockname.name, master);
if (!master) {
+ /* drop spinlock... retake below */
+ spin_unlock(&dlm->spinlock);
+
spin_lock(&res->spinlock);
/* This ensures that clear refmap is sent after the set */
__dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_SETREF_INPROG);
spin_unlock(&res->spinlock);
- /* drop spinlock to do messaging, retake below */
- spin_unlock(&dlm->spinlock);
+
/* clear our bit from the master's refmap, ignore errors */
ret = dlm_drop_lockres_ref(dlm, res);
if (ret < 0) {