33 static int enable_locking(struct dlm_ls *ls, uint64_t seq)  in enable_locking()  argument
37 	down_write(&ls->ls_recv_active);  in enable_locking()
39 	spin_lock(&ls->ls_recover_lock);  in enable_locking()
40 	if (ls->ls_recover_seq == seq) {  in enable_locking()
41 		set_bit(LSFL_RUNNING, &ls->ls_flags);  in enable_locking()
43 		up_write(&ls->ls_in_recovery);  in enable_locking()
46 	spin_unlock(&ls->ls_recover_lock);  in enable_locking()
48 	up_write(&ls->ls_recv_active);  in enable_locking()
52 static int ls_recover(struct dlm_ls *ls, struct dlm_recover *rv)  in ls_recover()  argument
57 	log_debug(ls, "recover %llx", (unsigned long long)rv->seq);  in ls_recover()
59 	mutex_lock(&ls->ls_recoverd_active);  in ls_recover()
74 	dlm_clear_toss_list(ls);  in ls_recover()
81 	dlm_create_root_list(ls);  in ls_recover()
88 	error = dlm_recover_members(ls, rv, &neg);  in ls_recover()
90 		log_debug(ls, "recover_members failed %d", error);  in ls_recover()
100 	error = dlm_recover_directory(ls);  in ls_recover()
102 		log_debug(ls, "recover_directory failed %d", error);  in ls_recover()
110 	error = dlm_recover_directory_wait(ls);  in ls_recover()
112 		log_debug(ls, "recover_directory_wait failed %d", error);  in ls_recover()
122 	dlm_recover_waiters_pre(ls);  in ls_recover()
124 	error = dlm_recovery_stopped(ls);  in ls_recover()
128 	if (neg || dlm_no_directory(ls)) {  in ls_recover()
133 		dlm_purge_locks(ls);  in ls_recover()
140 		error = dlm_recover_masters(ls);  in ls_recover()
142 			log_debug(ls, "recover_masters failed %d", error);  in ls_recover()
150 		error = dlm_recover_locks(ls);  in ls_recover()
152 			log_debug(ls, "recover_locks failed %d", error);  in ls_recover()
156 		error = dlm_recover_locks_wait(ls);  in ls_recover()
158 			log_debug(ls, "recover_locks_wait failed %d", error);  in ls_recover()
168 		dlm_recover_rsbs(ls);  in ls_recover()
175 		dlm_set_recover_status(ls, DLM_RS_LOCKS);  in ls_recover()
177 		error = dlm_recover_locks_wait(ls);  in ls_recover()
179 			log_debug(ls, "recover_locks_wait failed %d", error);  in ls_recover()
184 	dlm_release_root_list(ls);  in ls_recover()
192 	dlm_purge_requestqueue(ls);  in ls_recover()
194 	dlm_set_recover_status(ls, DLM_RS_DONE);  in ls_recover()
195 	error = dlm_recover_done_wait(ls);  in ls_recover()
197 		log_debug(ls, "recover_done_wait failed %d", error);  in ls_recover()
201 	dlm_clear_members_gone(ls);  in ls_recover()
203 	dlm_adjust_timeouts(ls);  in ls_recover()
205 	error = enable_locking(ls, rv->seq);  in ls_recover()
207 		log_debug(ls, "enable_locking failed %d", error);  in ls_recover()
211 	error = dlm_process_requestqueue(ls);  in ls_recover()
213 		log_debug(ls, "process_requestqueue failed %d", error);  in ls_recover()
217 	error = dlm_recover_waiters_post(ls);  in ls_recover()
219 		log_debug(ls, "recover_waiters_post failed %d", error);  in ls_recover()
223 	dlm_grant_after_purge(ls);  in ls_recover()
227 	log_debug(ls, "recover %llx done: %u ms",  in ls_recover()
230 	mutex_unlock(&ls->ls_recoverd_active);  in ls_recover()
235 	dlm_release_root_list(ls);  in ls_recover()
236 	log_debug(ls, "recover %llx error %d",  in ls_recover()
238 	mutex_unlock(&ls->ls_recoverd_active);  in ls_recover()
246 static void do_ls_recovery(struct dlm_ls *ls)  in do_ls_recovery()  argument
250 	spin_lock(&ls->ls_recover_lock);  in do_ls_recovery()
251 	rv = ls->ls_recover_args;  in do_ls_recovery()
252 	ls->ls_recover_args = NULL;  in do_ls_recovery()
253 	if (rv && ls->ls_recover_seq == rv->seq)  in do_ls_recovery()
254 		clear_bit(LSFL_RECOVERY_STOP, &ls->ls_flags);  in do_ls_recovery()
255 	spin_unlock(&ls->ls_recover_lock);  in do_ls_recovery()
258 		ls_recover(ls, rv);  in do_ls_recovery()
267 	struct dlm_ls *ls;  in dlm_recoverd()  local
269 	ls = dlm_find_lockspace_local(arg);  in dlm_recoverd()
270 	if (!ls) {  in dlm_recoverd()
277 		if (!test_bit(LSFL_WORK, &ls->ls_flags))  in dlm_recoverd()
281 		if (test_and_clear_bit(LSFL_WORK, &ls->ls_flags))  in dlm_recoverd()
282 			do_ls_recovery(ls);  in dlm_recoverd()
285 	dlm_put_lockspace(ls);  in dlm_recoverd()
289 void dlm_recoverd_kick(struct dlm_ls *ls)  in dlm_recoverd_kick()  argument
291 	set_bit(LSFL_WORK, &ls->ls_flags);  in dlm_recoverd_kick()
292 	wake_up_process(ls->ls_recoverd_task);  in dlm_recoverd_kick()
295 int dlm_recoverd_start(struct dlm_ls *ls)  in dlm_recoverd_start()  argument
300 	p = kthread_run(dlm_recoverd, ls, "dlm_recoverd");  in dlm_recoverd_start()
304                 ls->ls_recoverd_task = p;  in dlm_recoverd_start()
308 void dlm_recoverd_stop(struct dlm_ls *ls)  in dlm_recoverd_stop()  argument
310 	kthread_stop(ls->ls_recoverd_task);  in dlm_recoverd_stop()
313 void dlm_recoverd_suspend(struct dlm_ls *ls)  in dlm_recoverd_suspend()  argument
315 	wake_up(&ls->ls_wait_general);  in dlm_recoverd_suspend()
316 	mutex_lock(&ls->ls_recoverd_active);  in dlm_recoverd_suspend()
319 void dlm_recoverd_resume(struct dlm_ls *ls)  in dlm_recoverd_resume()  argument
321 	mutex_unlock(&ls->ls_recoverd_active);  in dlm_recoverd_resume()