[PATCH 1/3] io_uring: rename prev to head

From: Pavel Begunkov
Date: Tue Dec 17 2019 - 14:27:40 EST


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

Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
fs/io_uring.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index eb6d897ea087..e8ce224dc82c 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -3399,10 +3399,10 @@ static bool io_submit_sqe(struct io_kiocb *req, struct io_submit_state *state,
* conditions are true (normal request), then just queue it.
*/
if (*link) {
- struct io_kiocb *prev = *link;
+ struct io_kiocb *head = *link;

if (req->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 (req->sqe->flags & IOSQE_IO_HARDLINK)
req->flags |= REQ_F_HARDLINK;
@@ -3415,11 +3415,11 @@ static bool io_submit_sqe(struct io_kiocb *req, struct io_submit_state *state,
ret = io_req_defer_prep(req);
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 (req->sqe->flags & (IOSQE_IO_LINK|IOSQE_IO_HARDLINK)) {
req->flags |= REQ_F_LINK;
if (req->sqe->flags & IOSQE_IO_HARDLINK)
--
2.24.0