From: Kurt Hackel <kurt.hackel@oracle.com>
Date: Thu, 19 Jan 2006 01:07:47 +0000 (-0800)
Subject: [PATCH] ocfs2: manually grant remote recovery lock
X-Git-Tag: MMI-PSA29.97-13-9~51979^2~2
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=558c70c59b75a5a53ba496fe3bccea80a9e3e6fb;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

[PATCH] ocfs2: manually grant remote recovery lock

* fix a hang in recovery that occurred in dlmlock_remote.  the $RECOVERY
  lock was never moved to the granted queue even after getting DLM_NORMAL
  back from the master node.

Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
---

diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c
index e709412e6e32..671d4ff222cc 100644
--- a/fs/ocfs2/dlm/dlmlock.c
+++ b/fs/ocfs2/dlm/dlmlock.c
@@ -220,6 +220,17 @@ static enum dlm_status dlmlock_remote(struct dlm_ctxt *dlm,
 			dlm_error(status);
 		dlm_revert_pending_lock(res, lock);
 		dlm_lock_put(lock);
+	} else if (dlm_is_recovery_lock(res->lockname.name, 
+					res->lockname.len)) {
+		/* special case for the $RECOVERY lock.
+		 * there will never be an AST delivered to put
+		 * this lock on the proper secondary queue
+		 * (granted), so do it manually. */
+		mlog(0, "%s: $RECOVERY lock for this node (%u) is "
+		     "mastered by %u; got lock, manually granting (no ast)\n",
+		     dlm->name, dlm->node_num, res->owner);
+		list_del_init(&lock->list);
+		list_add_tail(&lock->list, &res->granted);
 	}
 	spin_unlock(&res->spinlock);