return rc;
 }
 
-static int o2cb_cluster_disconnect(struct ocfs2_cluster_connection *conn,
-                                  int hangup_pending)
+static int o2cb_cluster_disconnect(struct ocfs2_cluster_connection *conn)
 {
        struct dlm_ctxt *dlm = conn->cc_lockspace;
        struct o2dlm_private *priv = conn->cc_private;
 
        return rc;
 }
 
-static int user_cluster_disconnect(struct ocfs2_cluster_connection *conn,
-                                  int hangup_pending)
+static int user_cluster_disconnect(struct ocfs2_cluster_connection *conn)
 {
        dlm_release_lockspace(conn->cc_lockspace, 2);
        conn->cc_lockspace = NULL;
 
 
        BUG_ON(conn == NULL);
 
-       ret = active_stack->sp_ops->disconnect(conn, hangup_pending);
+       ret = active_stack->sp_ops->disconnect(conn);
 
        /* XXX Should we free it anyway? */
        if (!ret) {
        BUG_ON(group == NULL);
        BUG_ON(group[grouplen] != '\0');
 
-       if (active_stack->sp_ops->hangup)
-               active_stack->sp_ops->hangup(group, grouplen);
-
        ocfs2_leave_group(group);
 
        /* cluster_disconnect() was called with hangup_pending==1 */
 
         * be freed.  Thus, a stack must not return from ->disconnect()
         * until it will no longer reference the conn pointer.
         *
-        * If hangup_pending is zero, ocfs2_cluster_disconnect() will also
-        * be dropping the reference on the module.
+        * Once this call returns, the stack glue will be dropping this
+        * connection's reference on the module.
         */
-       int (*disconnect)(struct ocfs2_cluster_connection *conn,
-                         int hangup_pending);
-
-       /*
-        * ocfs2_cluster_hangup() exists for compatibility with older
-        * ocfs2 tools.  Only the classic stack really needs it.  As such
-        * ->hangup() is not required of all stacks.  See the comment by
-        * ocfs2_cluster_hangup() for more details.
-        *
-        * Note that ocfs2_cluster_hangup() can only be called if
-        * hangup_pending was passed to ocfs2_cluster_disconnect().
-        */
-       void (*hangup)(const char *group, int grouplen);
+       int (*disconnect)(struct ocfs2_cluster_connection *conn);
 
        /*
         * ->this_node() returns the cluster's unique identifier for the