Commit a6d45dd0 authored Jun 27, 2020 by Pavel Begunkov Committed by Jens Axboe Jun 28, 2020

io_uring: don't mark link's head for_async



No reason to mark a head of a link as for-async in io_req_defer_prep().
grab_env(), etc. That will be done further during submission if
neccessary.

Mark for_async=false saving extra grab_env() in many cases.

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

parent 1bcb8c5d

fs/io_uring.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -6092,7 +6092,7 @@ static int io_submit_sqe(struct io_kiocb req, const struct io_uring_sqe sqe,
		if (io_alloc_async_ctx(req))
		return -EAGAIN;

		ret = io_req_defer_prep(req, sqe, true);
		ret = io_req_defer_prep(req, sqe, false);
		if (ret)
		req->flags \|= REQ_F_FAIL_LINK;
		*link = req;

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