33 void dlm_add_requestqueue(struct dlm_ls *ls, int nodeid,  in dlm_add_requestqueue()  argument
46 	e->recover_seq = ls->ls_recover_seq & 0xFFFFFFFF;  in dlm_add_requestqueue()
51 	atomic_inc(&ls->ls_requestqueue_cnt);  in dlm_add_requestqueue()
52 	mutex_lock(&ls->ls_requestqueue_mutex);  in dlm_add_requestqueue()
53 	list_add_tail(&e->list, &ls->ls_requestqueue);  in dlm_add_requestqueue()
54 	mutex_unlock(&ls->ls_requestqueue_mutex);  in dlm_add_requestqueue()
68 int dlm_process_requestqueue(struct dlm_ls *ls)  in dlm_process_requestqueue()  argument
74 	mutex_lock(&ls->ls_requestqueue_mutex);  in dlm_process_requestqueue()
77 		if (list_empty(&ls->ls_requestqueue)) {  in dlm_process_requestqueue()
78 			mutex_unlock(&ls->ls_requestqueue_mutex);  in dlm_process_requestqueue()
82 		e = list_entry(ls->ls_requestqueue.next, struct rq_entry, list);  in dlm_process_requestqueue()
83 		mutex_unlock(&ls->ls_requestqueue_mutex);  in dlm_process_requestqueue()
87 		log_limit(ls, "dlm_process_requestqueue msg %d from %d "  in dlm_process_requestqueue()
95 		dlm_receive_message_saved(ls, &e->request, e->recover_seq);  in dlm_process_requestqueue()
97 		mutex_lock(&ls->ls_requestqueue_mutex);  in dlm_process_requestqueue()
99 		if (atomic_dec_and_test(&ls->ls_requestqueue_cnt))  in dlm_process_requestqueue()
100 			wake_up(&ls->ls_requestqueue_wait);  in dlm_process_requestqueue()
103 		if (dlm_locking_stopped(ls)) {  in dlm_process_requestqueue()
104 			log_debug(ls, "process_requestqueue abort running");  in dlm_process_requestqueue()
105 			mutex_unlock(&ls->ls_requestqueue_mutex);  in dlm_process_requestqueue()
125 void dlm_wait_requestqueue(struct dlm_ls *ls)  in dlm_wait_requestqueue()  argument
127 	wait_event(ls->ls_requestqueue_wait,  in dlm_wait_requestqueue()
128 		   atomic_read(&ls->ls_requestqueue_cnt) == 0);  in dlm_wait_requestqueue()
131 static int purge_request(struct dlm_ls *ls, struct dlm_message *ms, int nodeid)  in purge_request()  argument
135 	/* the ls is being cleaned up and freed by release_lockspace */  in purge_request()
136 	if (!atomic_read(&ls->ls_count))  in purge_request()
139 	if (dlm_is_removed(ls, nodeid))  in purge_request()
150 	if (!dlm_no_directory(ls))  in purge_request()
156 void dlm_purge_requestqueue(struct dlm_ls *ls)  in dlm_purge_requestqueue()  argument
161 	mutex_lock(&ls->ls_requestqueue_mutex);  in dlm_purge_requestqueue()
162 	list_for_each_entry_safe(e, safe, &ls->ls_requestqueue, list) {  in dlm_purge_requestqueue()
165 		if (purge_request(ls, ms, e->nodeid)) {  in dlm_purge_requestqueue()
167 			if (atomic_dec_and_test(&ls->ls_requestqueue_cnt))  in dlm_purge_requestqueue()
168 				wake_up(&ls->ls_requestqueue_wait);  in dlm_purge_requestqueue()
172 	mutex_unlock(&ls->ls_requestqueue_mutex);  in dlm_purge_requestqueue()