36 static void dlm_update_lvb(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
38 static int dlm_should_cancel_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
49 static int dlm_should_cancel_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)  in dlm_should_cancel_bast()  argument
51 	assert_spin_locked(&dlm->ast_lock);  in dlm_should_cancel_bast()
76 void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)  in __dlm_queue_ast()  argument
80 	BUG_ON(!dlm);  in __dlm_queue_ast()
85 	assert_spin_locked(&dlm->ast_lock);  in __dlm_queue_ast()
90 		     dlm->name, res->lockname.len, res->lockname.name,  in __dlm_queue_ast()
98 		     dlm->name, res->lockname.len, res->lockname.name,  in __dlm_queue_ast()
107 	if (dlm_should_cancel_bast(dlm, lock)) {  in __dlm_queue_ast()
109 		     dlm->name, res->lockname.len, res->lockname.name,  in __dlm_queue_ast()
124 		dlm_lockres_release_ast(dlm, res);  in __dlm_queue_ast()
126 	list_add_tail(&lock->ast_list, &dlm->pending_asts);  in __dlm_queue_ast()
131 void dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)  in dlm_queue_ast()  argument
133 	BUG_ON(!dlm);  in dlm_queue_ast()
136 	spin_lock(&dlm->ast_lock);  in dlm_queue_ast()
137 	__dlm_queue_ast(dlm, lock);  in dlm_queue_ast()
138 	spin_unlock(&dlm->ast_lock);  in dlm_queue_ast()
142 void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)  in __dlm_queue_bast()  argument
146 	BUG_ON(!dlm);  in __dlm_queue_bast()
149 	assert_spin_locked(&dlm->ast_lock);  in __dlm_queue_bast()
156 		     dlm->name, res->lockname.len, res->lockname.name,  in __dlm_queue_bast()
163 	list_add_tail(&lock->bast_list, &dlm->pending_basts);  in __dlm_queue_bast()
168 void dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)  in dlm_queue_bast()  argument
170 	BUG_ON(!dlm);  in dlm_queue_bast()
173 	spin_lock(&dlm->ast_lock);  in dlm_queue_bast()
174 	__dlm_queue_bast(dlm, lock);  in dlm_queue_bast()
175 	spin_unlock(&dlm->ast_lock);  in dlm_queue_bast()
178 static void dlm_update_lvb(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,  in dlm_update_lvb()  argument
186 	if (res->owner == dlm->node_num) {  in dlm_update_lvb()
190 				  lock->ml.node == dlm->node_num ? "master" :  in dlm_update_lvb()
208 void dlm_do_local_ast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,  in dlm_do_local_ast()  argument
213 	mlog(0, "%s: res %.*s, lock %u:%llu, Local AST\n", dlm->name,  in dlm_do_local_ast()
219 	BUG_ON(lock->ml.node != dlm->node_num);  in dlm_do_local_ast()
221 	dlm_update_lvb(dlm, res, lock);  in dlm_do_local_ast()
226 int dlm_do_remote_ast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,  in dlm_do_remote_ast()  argument
233 	mlog(0, "%s: res %.*s, lock %u:%llu, Remote AST\n", dlm->name,  in dlm_do_remote_ast()
239 	BUG_ON(lock->ml.node == dlm->node_num);  in dlm_do_remote_ast()
242 	dlm_update_lvb(dlm, res, lock);  in dlm_do_remote_ast()
246 	ret = dlm_send_proxy_ast(dlm, res, lock, lksbflags);  in dlm_do_remote_ast()
250 void dlm_do_local_bast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,  in dlm_do_local_bast()  argument
255 	BUG_ON(lock->ml.node != dlm->node_num);  in dlm_do_local_bast()
258 	     dlm->name, res->lockname.len, res->lockname.name,  in dlm_do_local_bast()
273 	struct dlm_ctxt *dlm = data;  in dlm_proxy_ast_handler()  local
283 	if (!dlm_grab(dlm)) {  in dlm_proxy_ast_handler()
288 	mlog_bug_on_msg(!dlm_domain_fully_joined(dlm),  in dlm_proxy_ast_handler()
289 			"Domain %s not fully joined!\n", dlm->name);  in dlm_proxy_ast_handler()
328 	res = dlm_lookup_lockres(dlm, name, locklen);  in dlm_proxy_ast_handler()
340 	BUG_ON(res->owner == dlm->node_num);  in dlm_proxy_ast_handler()
342 	mlog(0, "%s: res %.*s\n", dlm->name, res->lockname.len,  in dlm_proxy_ast_handler()
396 		     dlm->name, res->lockname.len, res->lockname.name,  in dlm_proxy_ast_handler()
419 		dlm_do_local_ast(dlm, res, lock);  in dlm_proxy_ast_handler()
421 		dlm_do_local_bast(dlm, res, lock, past->blocked_type);  in dlm_proxy_ast_handler()
427 	dlm_put(dlm);  in dlm_proxy_ast_handler()
433 int dlm_send_proxy_ast_msg(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,  in dlm_send_proxy_ast_msg()  argument
443 	mlog(0, "%s: res %.*s, to %u, type %d, blocked_type %d\n", dlm->name,  in dlm_send_proxy_ast_msg()
448 	past.node_idx = dlm->node_num;  in dlm_send_proxy_ast_msg()
464 	ret = o2net_send_message_vec(DLM_PROXY_AST_MSG, dlm->key, vec, veclen,  in dlm_send_proxy_ast_msg()
468 		     dlm->name, res->lockname.len, res->lockname.name, ret,  in dlm_send_proxy_ast_msg()