31 	wait_queue_head_t wqh;  member
63 	spin_lock_irqsave(&ctx->wqh.lock, flags);  in eventfd_signal()
67 	if (waitqueue_active(&ctx->wqh))  in eventfd_signal()
68 		wake_up_locked_poll(&ctx->wqh, EPOLLIN);  in eventfd_signal()
69 	spin_unlock_irqrestore(&ctx->wqh.lock, flags);  in eventfd_signal()
106 	wake_up_poll(&ctx->wqh, EPOLLHUP);  in eventfd_release()
117 	poll_wait(file, &ctx->wqh, wait);  in eventfd_poll()
193 	spin_lock_irqsave(&ctx->wqh.lock, flags);  in eventfd_ctx_remove_wait_queue()
195 	__remove_wait_queue(&ctx->wqh, wait);  in eventfd_ctx_remove_wait_queue()
196 	if (*cnt != 0 && waitqueue_active(&ctx->wqh))  in eventfd_ctx_remove_wait_queue()
197 		wake_up_locked_poll(&ctx->wqh, EPOLLOUT);  in eventfd_ctx_remove_wait_queue()
198 	spin_unlock_irqrestore(&ctx->wqh.lock, flags);  in eventfd_ctx_remove_wait_queue()
215 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_read()
220 		__add_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
231 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
233 			spin_lock_irq(&ctx->wqh.lock);  in eventfd_read()
235 		__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_read()
240 		if (waitqueue_active(&ctx->wqh))  in eventfd_read()
241 			wake_up_locked_poll(&ctx->wqh, EPOLLOUT);  in eventfd_read()
243 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_read()
265 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_write()
270 		__add_wait_queue(&ctx->wqh, &wait);  in eventfd_write()
281 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_write()
283 			spin_lock_irq(&ctx->wqh.lock);  in eventfd_write()
285 		__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_write()
290 		if (waitqueue_active(&ctx->wqh))  in eventfd_write()
291 			wake_up_locked_poll(&ctx->wqh, EPOLLIN);  in eventfd_write()
293 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_write()
303 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_show_fdinfo()
306 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_show_fdinfo()
408 	init_waitqueue_head(&ctx->wqh);  in do_eventfd()