ocfs2/cluster: Print messages when adding/removing heartbeat regions

Prints messages when the user adds or removes heartbeat regions in global
heartbeat mode. These messages are useful when debugging cluster related issues.

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

diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 3415e58ff77b05ca93fc4d9a60c6f128653eaaf9..12bb12ba86403c3a0a317c8cd9f204147c1cd379 100644 (file)
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1476,6 +1476,10 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
        else
                ret = -EIO;
 
+       if (hb_task && o2hb_global_heartbeat_active())
+               printk(KERN_NOTICE "o2hb: Heartbeat started on region %s\n",
+                      config_item_name(&reg->hr_item));
+
 out:
        if (filp)
                fput(filp);
@@ -1659,6 +1663,9 @@ static void o2hb_heartbeat_group_drop_item(struct config_group *group,
                wake_up(&o2hb_steady_queue);
        }
 
+       if (o2hb_global_heartbeat_active())
+               printk(KERN_NOTICE "o2hb: Heartbeat stopped on region %s\n",
+                      config_item_name(&reg->hr_item));
        config_item_put(item);
 }
 
@@ -1745,7 +1752,7 @@ ssize_t o2hb_heartbeat_group_mode_store(struct o2hb_heartbeat_group *group,
 
                ret = o2hb_global_hearbeat_mode_set(i);
                if (!ret)
-                       printk(KERN_NOTICE "ocfs2: Heartbeat mode set to %s\n",
+                       printk(KERN_NOTICE "o2hb: Heartbeat mode set to %s\n",
                               o2hb_heartbeat_mode_desc[i]);
                return count;
        }