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>

1 files changed, 7 insertions, 0 deletions

diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 2fde7bf91434..b10f3e313fbf 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2321,6 +2321,13 @@ void dlm_hb_node_down_cb(struct o2nm_node *node, int idx, void *data)
         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);