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

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
......@@ -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)
......
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