-
- /* If we are trying to get a GROUP lock and there is
- another one of this kind, we need to compare gid */
- if (req->l_policy_data.l_extent.gid ==
- lock->l_policy_data.l_extent.gid) {
- if (lock->l_req_mode == lock->l_granted_mode)
- RETURN(2);
-
- /* If we are in nonblocking mode - return
- immediately */
- if (*flags & LDLM_FL_BLOCK_NOWAIT) {
- compat = -EWOULDBLOCK;
- goto destroylock;
- }
- /* If this group lock is compatible with another
- * group lock on the waiting list, they must be
- * together in the list, so they can be granted
- * at the same time. Otherwise the later lock
- * can get stuck behind another, incompatible,
- * lock. */
- ldlm_resource_insert_lock_after(lock, req);
- /* Because 'lock' is not granted, we can stop
- * processing this queue and return immediately.
- * There is no need to check the rest of the
- * list. */
- RETURN(0);