if (req == lock)
RETURN(compat);
- if (lockmode_compat(lock->l_req_mode, req_mode)) {
- /* jump to next mode group */
- if (LDLM_SL_HEAD(&lock->l_sl_mode))
- tmp = &list_entry(lock->l_sl_mode.next,
- struct ldlm_lock,
- l_sl_mode)->l_res_link;
+ /* last lock in mode group */
+ tmp = &list_entry(lock->l_sl_mode.prev,
+ struct ldlm_lock,
+ l_sl_mode)->l_res_link;
+
+ if (lockmode_compat(lock->l_req_mode, req_mode))
continue;
- }
if (!work_list)
RETURN(0);
compat = 0;
+
+ /* add locks of the mode group to @work_list as
+ * blocking locks for @req */
if (lock->l_blocking_ast)
ldlm_add_ast_work_item(lock, req, work_list);
- if (LDLM_SL_HEAD(&lock->l_sl_mode)) {
- /* add all members of the mode group */
- do {
- tmp = lock->l_res_link.next;
- lock = list_entry(tmp, struct ldlm_lock,
- l_res_link);
+ {
+ struct list_head *head;
+
+ head = &lock->l_sl_mode;
+ list_for_each_entry(lock, head, l_sl_mode)
if (lock->l_blocking_ast)
- ldlm_add_ast_work_item(
- lock, req, work_list);
- } while (!LDLM_SL_TAIL(&lock->l_sl_mode));
+ ldlm_add_ast_work_item(lock, req,
+ work_list);
}
}