34 static void dlm_update_lvb(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
36 static int dlm_should_cancel_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
47 static int dlm_should_cancel_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)  in dlm_should_cancel_bast()  argument
49 	assert_spin_locked(&dlm->ast_lock);  in dlm_should_cancel_bast()
74 void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)  in __dlm_queue_ast()  argument
78 	BUG_ON(!dlm);  in __dlm_queue_ast()
83 	assert_spin_locked(&dlm->ast_lock);  in __dlm_queue_ast()
88 		     dlm->name, res->lockname.len, res->lockname.name,  in __dlm_queue_ast()
96 		     dlm->name, res->lockname.len, res->lockname.name,  in __dlm_queue_ast()
105 	if (dlm_should_cancel_bast(dlm, lock)) {  in __dlm_queue_ast()
107 		     dlm->name, res->lockname.len, res->lockname.name,  in __dlm_queue_ast()
122 		dlm_lockres_release_ast(dlm, res);  in __dlm_queue_ast()
124 	list_add_tail(&lock->ast_list, &dlm->pending_asts);  in __dlm_queue_ast()
129 void dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)  in dlm_queue_ast()  argument
131 	BUG_ON(!dlm);  in dlm_queue_ast()
134 	spin_lock(&dlm->ast_lock);  in dlm_queue_ast()
135 	__dlm_queue_ast(dlm, lock);  in dlm_queue_ast()
136 	spin_unlock(&dlm->ast_lock);  in dlm_queue_ast()
140 void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)  in __dlm_queue_bast()  argument
144 	BUG_ON(!dlm);  in __dlm_queue_bast()
147 	assert_spin_locked(&dlm->ast_lock);  in __dlm_queue_bast()
154 		     dlm->name, res->lockname.len, res->lockname.name,  in __dlm_queue_bast()
161 	list_add_tail(&lock->bast_list, &dlm->pending_basts);  in __dlm_queue_bast()
166 static void dlm_update_lvb(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,  in dlm_update_lvb()  argument
174 	if (res->owner == dlm->node_num) {  in dlm_update_lvb()
178 				  lock->ml.node == dlm->node_num ? "master" :  in dlm_update_lvb()
196 void dlm_do_local_ast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,  in dlm_do_local_ast()  argument
201 	mlog(0, "%s: res %.*s, lock %u:%llu, Local AST\n", dlm->name,  in dlm_do_local_ast()
207 	BUG_ON(lock->ml.node != dlm->node_num);  in dlm_do_local_ast()
209 	dlm_update_lvb(dlm, res, lock);  in dlm_do_local_ast()
214 int dlm_do_remote_ast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,  in dlm_do_remote_ast()  argument
221 	mlog(0, "%s: res %.*s, lock %u:%llu, Remote AST\n", dlm->name,  in dlm_do_remote_ast()
227 	BUG_ON(lock->ml.node == dlm->node_num);  in dlm_do_remote_ast()
230 	dlm_update_lvb(dlm, res, lock);  in dlm_do_remote_ast()
234 	ret = dlm_send_proxy_ast(dlm, res, lock, lksbflags);  in dlm_do_remote_ast()
238 void dlm_do_local_bast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,  in dlm_do_local_bast()  argument
243 	BUG_ON(lock->ml.node != dlm->node_num);  in dlm_do_local_bast()
246 	     dlm->name, res->lockname.len, res->lockname.name,  in dlm_do_local_bast()
261 	struct dlm_ctxt *dlm = data;  in dlm_proxy_ast_handler()  local
271 	if (!dlm_grab(dlm)) {  in dlm_proxy_ast_handler()
276 	mlog_bug_on_msg(!dlm_domain_fully_joined(dlm),  in dlm_proxy_ast_handler()
277 			"Domain %s not fully joined!\n", dlm->name);  in dlm_proxy_ast_handler()
316 	res = dlm_lookup_lockres(dlm, name, locklen);  in dlm_proxy_ast_handler()
328 	BUG_ON(res->owner == dlm->node_num);  in dlm_proxy_ast_handler()
330 	mlog(0, "%s: res %.*s\n", dlm->name, res->lockname.len,  in dlm_proxy_ast_handler()
384 		     dlm->name, res->lockname.len, res->lockname.name,  in dlm_proxy_ast_handler()
407 		dlm_do_local_ast(dlm, res, lock);  in dlm_proxy_ast_handler()
409 		dlm_do_local_bast(dlm, res, lock, past->blocked_type);  in dlm_proxy_ast_handler()
415 	dlm_put(dlm);  in dlm_proxy_ast_handler()
421 int dlm_send_proxy_ast_msg(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,  in dlm_send_proxy_ast_msg()  argument
431 	mlog(0, "%s: res %.*s, to %u, type %d, blocked_type %d\n", dlm->name,  in dlm_send_proxy_ast_msg()
436 	past.node_idx = dlm->node_num;  in dlm_send_proxy_ast_msg()
452 	ret = o2net_send_message_vec(DLM_PROXY_AST_MSG, dlm->key, vec, veclen,  in dlm_send_proxy_ast_msg()
456 		     dlm->name, res->lockname.len, res->lockname.name, ret,  in dlm_send_proxy_ast_msg()