34 	wait_queue_head_t wqh;  member
63 	spin_lock_irqsave(&ctx->wqh.lock, flags);  in eventfd_signal_mask()
68 	if (waitqueue_active(&ctx->wqh))  in eventfd_signal_mask()
69 		wake_up_locked_poll(&ctx->wqh, EPOLLIN | mask);  in eventfd_signal_mask()
71 	spin_unlock_irqrestore(&ctx->wqh.lock, flags);  in eventfd_signal_mask()
127 	wake_up_poll(&ctx->wqh, EPOLLHUP);  in eventfd_release()
138 	poll_wait(file, &ctx->wqh, wait);  in eventfd_poll()
214 	spin_lock_irqsave(&ctx->wqh.lock, flags);  in eventfd_ctx_remove_wait_queue()
216 	__remove_wait_queue(&ctx->wqh, wait);  in eventfd_ctx_remove_wait_queue()
217 	if (*cnt != 0 && waitqueue_active(&ctx->wqh))  in eventfd_ctx_remove_wait_queue()
218 		wake_up_locked_poll(&ctx->wqh, EPOLLOUT);  in eventfd_ctx_remove_wait_queue()
219 	spin_unlock_irqrestore(&ctx->wqh.lock, flags);  in eventfd_ctx_remove_wait_queue()
234 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_read()
238 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
241 		__add_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
247 				__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
249 				spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
252 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
254 			spin_lock_irq(&ctx->wqh.lock);  in eventfd_read()
256 		__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
260 	if (waitqueue_active(&ctx->wqh))  in eventfd_read()
261 		wake_up_locked_poll(&ctx->wqh, EPOLLOUT);  in eventfd_read()
262 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
283 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_write()
288 		__add_wait_queue(&ctx->wqh, &wait);  in eventfd_write()
299 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_write()
301 			spin_lock_irq(&ctx->wqh.lock);  in eventfd_write()
303 		__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_write()
308 		if (waitqueue_active(&ctx->wqh))  in eventfd_write()
309 			wake_up_locked_poll(&ctx->wqh, EPOLLIN);  in eventfd_write()
311 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_write()
321 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_show_fdinfo()
324 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_show_fdinfo()
427 	init_waitqueue_head(&ctx->wqh);  in do_eventfd()