ocfs2/cluster: Add mlogs for heartbeat up/down events

This patch adds mlogs for o2hb up and down events.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>

diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index f28de4b..e8676ac 100644 (file)
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -797,6 +797,8 @@ fire_callbacks:
 
                /* first on the list generates a callback */
                if (list_empty(&o2hb_live_slots[slot->ds_node_num])) {
+                       mlog(ML_HEARTBEAT, "o2hb: Add node %d to live nodes "
+                            "bitmap\n", slot->ds_node_num);
                        set_bit(slot->ds_node_num, o2hb_live_node_bitmap);
 
                        o2hb_queue_node_event(&event, O2HB_NODE_UP_CB, node,
@@ -845,6 +847,8 @@ fire_callbacks:
                /* last off the live_slot generates a callback */
                list_del_init(&slot->ds_live_item);
                if (list_empty(&o2hb_live_slots[slot->ds_node_num])) {
+                       mlog(ML_HEARTBEAT, "o2hb: Remove node %d from live "
+                            "nodes bitmap\n", slot->ds_node_num);
                        clear_bit(slot->ds_node_num, o2hb_live_node_bitmap);
 
                        /* node can be null */