ocfs2_dlm: Call node eviction callbacks from heartbeat handler

With this, a dlm client can take advantage of the group protocol in the dlm
to get full notification whenever a node within the dlm domain leaves
unexpectedly.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

fs/ocfs2/dlm/dlmrecovery.c

diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 2fde7bf..b10f3e3 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2321,6 +2321,13 @@
 	if (!dlm_grab(dlm))
 		return;
 
+	/*
+	 * This will notify any dlm users that a node in our domain
+	 * went away without notifying us first.
+	 */
+	if (test_bit(idx, dlm->domain_map))
+		dlm_fire_domain_eviction_callbacks(dlm, idx);
+
 	spin_lock(&dlm->spinlock);
 	__dlm_hb_node_down(dlm, idx);
 	spin_unlock(&dlm->spinlock);