Commit 9d76377f authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: rename prev to head 



Calling "prev" a head of a link is a bit misleading. Rename it

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent ce35a47a

fs/io_uring.c

+5 −5
Original line number Diff line number Diff line
@@ -4073,10 +4073,10 @@ static bool io_submit_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
	 * conditions are true (normal request), then just queue it.

	 */

	if (*link) {

		struct io_kiocb *prev = *link;

		struct io_kiocb *head = *link;



		if (sqe->flags & IOSQE_IO_DRAIN)

			(*link)->flags |= REQ_F_DRAIN_LINK | REQ_F_IO_DRAIN;

			head->flags |= REQ_F_DRAIN_LINK | REQ_F_IO_DRAIN;



		if (sqe->flags & IOSQE_IO_HARDLINK)

			req->flags |= REQ_F_HARDLINK;
@@ -4089,11 +4089,11 @@ static bool io_submit_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
		ret = io_req_defer_prep(req, sqe);

		if (ret) {

			/* fail even hard links since we don't submit */

			prev->flags |= REQ_F_FAIL_LINK;

			head->flags |= REQ_F_FAIL_LINK;

			goto err_req;

		}

		trace_io_uring_link(ctx, req, prev);

		list_add_tail(&req->link_list, &prev->link_list);

		trace_io_uring_link(ctx, req, head);

		list_add_tail(&req->link_list, &head->link_list);

	} else if (sqe->flags & (IOSQE_IO_LINK|IOSQE_IO_HARDLINK)) {

		req->flags |= REQ_F_LINK;

		if (sqe->flags & IOSQE_IO_HARDLINK)