void ldlm_lock_addref_internal_nolock(struct ldlm_lock *, __u32 mode);
 void ldlm_lock_decref_internal(struct ldlm_lock *, __u32 mode);
 void ldlm_lock_decref_internal_nolock(struct ldlm_lock *, __u32 mode);
-void ldlm_add_ast_work_item(struct ldlm_lock *lock, struct ldlm_lock *new,
-                           struct list_head *work_list);
 int ldlm_run_ast_work(struct ldlm_namespace *ns, struct list_head *rpc_list,
                      enum ldlm_desc_ast_t ast_type);
 int ldlm_lock_remove_from_lru(struct ldlm_lock *lock);
 
  * adding function.
  * Must be called with lr_lock held.
  */
-void ldlm_add_ast_work_item(struct ldlm_lock *lock, struct ldlm_lock *new,
-                           struct list_head *work_list)
+static void ldlm_add_ast_work_item(struct ldlm_lock *lock,
+                                  struct ldlm_lock *new,
+                                  struct list_head *work_list)
 {
        check_res_locked(lock->l_resource);
        if (new)