32 	wait_queue_head_t wqh;  member
61 	spin_lock_irqsave(&ctx->wqh.lock, flags);  in eventfd_signal_mask()
66 	if (waitqueue_active(&ctx->wqh))  in eventfd_signal_mask()
67 		wake_up_locked_poll(&ctx->wqh, EPOLLIN | mask);  in eventfd_signal_mask()
69 	spin_unlock_irqrestore(&ctx->wqh.lock, flags);  in eventfd_signal_mask()
125 	wake_up_poll(&ctx->wqh, EPOLLHUP);  in eventfd_release()
136 	poll_wait(file, &ctx->wqh, wait);  in eventfd_poll()
190 	lockdep_assert_held(&ctx->wqh.lock);  in eventfd_ctx_do_read()
215 	spin_lock_irqsave(&ctx->wqh.lock, flags);  in eventfd_ctx_remove_wait_queue()
217 	__remove_wait_queue(&ctx->wqh, wait);  in eventfd_ctx_remove_wait_queue()
218 	if (*cnt != 0 && waitqueue_active(&ctx->wqh))  in eventfd_ctx_remove_wait_queue()
219 		wake_up_locked_poll(&ctx->wqh, EPOLLOUT);  in eventfd_ctx_remove_wait_queue()
220 	spin_unlock_irqrestore(&ctx->wqh.lock, flags);  in eventfd_ctx_remove_wait_queue()
235 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_read()
239 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
242 		__add_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
248 				__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
250 				spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
253 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
255 			spin_lock_irq(&ctx->wqh.lock);  in eventfd_read()
257 		__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
262 	if (waitqueue_active(&ctx->wqh))  in eventfd_read()
263 		wake_up_locked_poll(&ctx->wqh, EPOLLOUT);  in eventfd_read()
265 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
286 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_write()
291 		__add_wait_queue(&ctx->wqh, &wait);  in eventfd_write()
302 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_write()
304 			spin_lock_irq(&ctx->wqh.lock);  in eventfd_write()
306 		__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_write()
312 		if (waitqueue_active(&ctx->wqh))  in eventfd_write()
313 			wake_up_locked_poll(&ctx->wqh, EPOLLIN);  in eventfd_write()
316 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_write()
326 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_show_fdinfo()
329 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_show_fdinfo()
432 	init_waitqueue_head(&ctx->wqh);  in do_eventfd()