27 	wait_queue_head_t wqh;  member
58 	spin_lock_irqsave(&ctx->wqh.lock, flags);  in eventfd_signal()
62 	if (waitqueue_active(&ctx->wqh))  in eventfd_signal()
63 		wake_up_locked_poll(&ctx->wqh, POLLIN);  in eventfd_signal()
64 	spin_unlock_irqrestore(&ctx->wqh.lock, flags);  in eventfd_signal()
112 	wake_up_poll(&ctx->wqh, POLLHUP);  in eventfd_release()
123 	poll_wait(file, &ctx->wqh, wait);  in eventfd_poll()
161 	spin_lock_irqsave(&ctx->wqh.lock, flags);  in eventfd_ctx_remove_wait_queue()
163 	__remove_wait_queue(&ctx->wqh, wait);  in eventfd_ctx_remove_wait_queue()
164 	if (*cnt != 0 && waitqueue_active(&ctx->wqh))  in eventfd_ctx_remove_wait_queue()
165 		wake_up_locked_poll(&ctx->wqh, POLLOUT);  in eventfd_ctx_remove_wait_queue()
166 	spin_unlock_irqrestore(&ctx->wqh.lock, flags);  in eventfd_ctx_remove_wait_queue()
191 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_ctx_read()
197 		__add_wait_queue(&ctx->wqh, &wait);  in eventfd_ctx_read()
208 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_ctx_read()
210 			spin_lock_irq(&ctx->wqh.lock);  in eventfd_ctx_read()
212 		__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_ctx_read()
217 		if (waitqueue_active(&ctx->wqh))  in eventfd_ctx_read()
218 			wake_up_locked_poll(&ctx->wqh, POLLOUT);  in eventfd_ctx_read()
220 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_ctx_read()
256 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_write()
261 		__add_wait_queue(&ctx->wqh, &wait);  in eventfd_write()
272 			spin_unlock_irq(&ctx->wqh.lock);  in eventfd_write()
274 			spin_lock_irq(&ctx->wqh.lock);  in eventfd_write()
276 		__remove_wait_queue(&ctx->wqh, &wait);  in eventfd_write()
281 		if (waitqueue_active(&ctx->wqh))  in eventfd_write()
282 			wake_up_locked_poll(&ctx->wqh, POLLIN);  in eventfd_write()
284 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_write()
294 	spin_lock_irq(&ctx->wqh.lock);  in eventfd_show_fdinfo()
297 	spin_unlock_irq(&ctx->wqh.lock);  in eventfd_show_fdinfo()
408 	init_waitqueue_head(&ctx->wqh);  in eventfd_file_create()