* returns: DLM_NORMAL, DLM_BADARGS, DLM_IVLOCKID,
* return value from dlmunlock_master
*/
-int dlm_unlock_lock_handler(struct o2net_msg *msg, u32 len, void *data)
+int dlm_unlock_lock_handler(struct o2net_msg *msg, u32 len, void *data,
+ void **ret_data)
{
struct dlm_ctxt *dlm = data;
struct dlm_unlock_lock *unlock = (struct dlm_unlock_lock *)msg->buf;