84 void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait)  in __prepare_to_swait()  argument
86 	wait->task = current;  in __prepare_to_swait()
87 	if (list_empty(&wait->task_list))  in __prepare_to_swait()
88 		list_add_tail(&wait->task_list, &q->task_list);  in __prepare_to_swait()
91 void prepare_to_swait_exclusive(struct swait_queue_head *q, struct swait_queue *wait, int state)  in prepare_to_swait_exclusive()  argument
96 	__prepare_to_swait(q, wait);  in prepare_to_swait_exclusive()
102 long prepare_to_swait_event(struct swait_queue_head *q, struct swait_queue *wait, int state)  in prepare_to_swait_event()  argument
113 		list_del_init(&wait->task_list);  in prepare_to_swait_event()
116 		__prepare_to_swait(q, wait);  in prepare_to_swait_event()
125 void __finish_swait(struct swait_queue_head *q, struct swait_queue *wait)  in __finish_swait()  argument
128 	if (!list_empty(&wait->task_list))  in __finish_swait()
129 		list_del_init(&wait->task_list);  in __finish_swait()
132 void finish_swait(struct swait_queue_head *q, struct swait_queue *wait)  in finish_swait()  argument
138 	if (!list_empty_careful(&wait->task_list)) {  in finish_swait()
140 		list_del_init(&wait->task_list);  in finish_swait()