17 void add_wait_queue(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)  in add_wait_queue()  argument
21 	wq_entry->flags &= ~WQ_FLAG_EXCLUSIVE;  in add_wait_queue()
23 	__add_wait_queue(wq_head, wq_entry);  in add_wait_queue()
28 void add_wait_queue_exclusive(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)  in add_wait_queue_exclusive()  argument
32 	wq_entry->flags |= WQ_FLAG_EXCLUSIVE;  in add_wait_queue_exclusive()
34 	__add_wait_queue_entry_tail(wq_head, wq_entry);  in add_wait_queue_exclusive()
39 void add_wait_queue_priority(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)  in add_wait_queue_priority()  argument
43 	wq_entry->flags |= WQ_FLAG_EXCLUSIVE | WQ_FLAG_PRIORITY;  in add_wait_queue_priority()
45 	__add_wait_queue(wq_head, wq_entry);  in add_wait_queue_priority()
50 void remove_wait_queue(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)  in remove_wait_queue()  argument
55 	__remove_wait_queue(wq_head, wq_entry);  in remove_wait_queue()
269 prepare_to_wait(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state)  in prepare_to_wait()  argument
273 	wq_entry->flags &= ~WQ_FLAG_EXCLUSIVE;  in prepare_to_wait()
275 	if (list_empty(&wq_entry->entry))  in prepare_to_wait()
276 		__add_wait_queue(wq_head, wq_entry);  in prepare_to_wait()
284 prepare_to_wait_exclusive(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int s…  in prepare_to_wait_exclusive()  argument
289 	wq_entry->flags |= WQ_FLAG_EXCLUSIVE;  in prepare_to_wait_exclusive()
291 	if (list_empty(&wq_entry->entry)) {  in prepare_to_wait_exclusive()
293 		__add_wait_queue_entry_tail(wq_head, wq_entry);  in prepare_to_wait_exclusive()
301 void init_wait_entry(struct wait_queue_entry *wq_entry, int flags)  in init_wait_entry()  argument
303 	wq_entry->flags = flags;  in init_wait_entry()
304 	wq_entry->private = current;  in init_wait_entry()
305 	wq_entry->func = autoremove_wake_function;  in init_wait_entry()
306 	INIT_LIST_HEAD(&wq_entry->entry);  in init_wait_entry()
310 long prepare_to_wait_event(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int …  in prepare_to_wait_event()  argument
329 		list_del_init(&wq_entry->entry);  in prepare_to_wait_event()
332 		if (list_empty(&wq_entry->entry)) {  in prepare_to_wait_event()
333 			if (wq_entry->flags & WQ_FLAG_EXCLUSIVE)  in prepare_to_wait_event()
334 				__add_wait_queue_entry_tail(wq_head, wq_entry);  in prepare_to_wait_event()
336 				__add_wait_queue(wq_head, wq_entry);  in prepare_to_wait_event()
396 void finish_wait(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)  in finish_wait()  argument
414 	if (!list_empty_careful(&wq_entry->entry)) {  in finish_wait()
416 		list_del_init(&wq_entry->entry);  in finish_wait()
422 int autoremove_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync, void *key)  in autoremove_wake_function()  argument
424 	int ret = default_wake_function(wq_entry, mode, sync, key);  in autoremove_wake_function()
427 		list_del_init_careful(&wq_entry->entry);  in autoremove_wake_function()
453 long wait_woken(struct wait_queue_entry *wq_entry, unsigned mode, long timeout)  in wait_woken()  argument
462 	if (!(wq_entry->flags & WQ_FLAG_WOKEN) && !kthread_should_stop_or_park())  in wait_woken()
472 	smp_store_mb(wq_entry->flags, wq_entry->flags & ~WQ_FLAG_WOKEN); /* B */  in wait_woken()
478 int woken_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync, void *key)  in woken_wake_function()  argument
482 	wq_entry->flags |= WQ_FLAG_WOKEN;  in woken_wake_function()
484 	return default_wake_function(wq_entry, mode, sync, key);  in woken_wake_function()