ocfs2_dlm: Calling post handler function in assert master handler
This patch prevents the dlm from sending the clear refmap message
before the set refmap. We use the newly created post function handler
routine to accomplish the task.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 3b94e4d..8ffa091 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -176,6 +176,10 @@
res->lockname.name, master);
if (!master) {
+ 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 */