Commit 68207680 authored Mar 22, 2021 by Pavel Begunkov Committed by Jens Axboe Apr 11, 2021

io_uring: don't do extra EXITING cancellations



io_match_task() matches all requests with PF_EXITING task, even though
those may be valid requests. It was necessary for SQPOLL cancellation,
but now it kills all requests before exiting via
io_uring_cancel_sqpoll(), so it's not needed.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent d4729fbd

fs/io_uring.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -1079,12 +1079,8 @@ static bool io_match_task(struct io_kiocb *head,
		{
		struct io_kiocb *req;

		if (task && head->task != task) {
		/* in terms of cancelation, always match if req task is dead */
		if (head->task->flags & PF_EXITING)
		return true;
		if (task && head->task != task)
		return false;
		}
		if (!files)
		return true;