ocfs2/cluster: Print messages when adding/removing nodes

Prints messages when the user adds or removes nodes.

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

2 files changed, 7 insertions, 1 deletions

diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index fd96e2a2fa56..ea2ed9f56c94 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -119,7 +119,8 @@
 #define ML_ERROR        0x0000000100000000ULL /* sent to KERN_ERR */
 #define ML_NOTICE       0x0000000200000000ULL /* setn to KERN_NOTICE */
 #define ML_KTHREAD      0x0000000400000000ULL /* kernel thread activity */
-#define ML_RESERVATIONS 0x0000000800000000ULL /* ocfs2 alloc reservations */
+#define ML_RESERVATIONS 0x0000000800000000ULL /* ocfs2 alloc reservations */
+#define ML_CLUSTER      0x0000001000000000ULL /* cluster stack */
 
 #define MLOG_INITIAL_AND_MASK (ML_ERROR|ML_NOTICE)
 #define MLOG_INITIAL_NOT_MASK (ML_ENTRY|ML_EXIT)
diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c
index ed0c9f367fed..bb240647ca5f 100644
--- a/fs/ocfs2/cluster/nodemanager.c
+++ b/fs/ocfs2/cluster/nodemanager.c
@@ -711,6 +711,8 @@ static struct config_item *o2nm_node_group_make_item(struct config_group *group,
         config_item_init_type_name(&node->nd_item, name, &o2nm_node_type);
         spin_lock_init(&node->nd_lock);
 
+        mlog(ML_CLUSTER, "o2nm: Registering node %s\n", name);
+
         return &node->nd_item;
 }
 
@@ -744,6 +746,9 @@ static void o2nm_node_group_drop_item(struct config_group *group,
         }
         write_unlock(&cluster->cl_nodes_lock);
 
+        mlog(ML_CLUSTER, "o2nm: Unregistered node %s\n",
+             config_item_name(&node->nd_item));
+
         config_item_put(item);
 }