34 	wait_queue_head_t wqh;  member
77 	spin_lock_irqsave(&ctx->wqh.lock, flags);  in eventfd_signal()
82 	if (waitqueue_active(&ctx->wqh))  in eventfd_signal()
83 		wake_up_locked_poll(&ctx->wqh, EPOLLIN);  in eventfd_signal()
85 	spin_unlock_irqrestore(&ctx->wqh.lock, flags);  in eventfd_signal()
122 	wake_up_poll(&ctx->wqh, EPOLLHUP);  in eventfd_release()
133 	poll_wait(file, &ctx->wqh, wait);  in eventfd_poll()
209 	spin_lock_irqsave(&ctx->wqh.lock, flags);  in eventfd_ctx_remove_wait_queue()
211 	__remove_wait_queue(&ctx->wqh, wait);  in eventfd_ctx_remove_wait_queue()
212 	if (*cnt != 0 && waitqueue_active(&ctx->wqh))  in eventfd_ctx_remove_wait_queue()
213 		wake_up_locked_poll(&ctx->wqh, EPOLLOUT);  in eventfd_ctx_remove_wait_queue()
214 	spin_unlock_irqrestore(&ctx->wqh.lock, flags);  in eventfd_ctx_remove_wait_queue()
229 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_read()
233 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
236 		__add_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
242 				__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
244 				spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
247 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
249 			spin_lock_irq(&ctx->wqh.lock);  in eventfd_read()
251 		__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
255 	if (waitqueue_active(&ctx->wqh))  in eventfd_read()
256 		wake_up_locked_poll(&ctx->wqh, EPOLLOUT);  in eventfd_read()
257 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
278 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_write()
283 		__add_wait_queue(&ctx->wqh, &wait);  in eventfd_write()
294 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_write()
296 			spin_lock_irq(&ctx->wqh.lock);  in eventfd_write()
298 		__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_write()
303 		if (waitqueue_active(&ctx->wqh))  in eventfd_write()
304 			wake_up_locked_poll(&ctx->wqh, EPOLLIN);  in eventfd_write()
306 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_write()
316 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_show_fdinfo()
319 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_show_fdinfo()
422 	init_waitqueue_head(&ctx->wqh);  in do_eventfd()