diff mbox series

io_uring: improve request linking trace

Message ID 4a8d8a42-31a8-4d14-9fc8-6fb1c136ca73@kernel.dk (mailing list archive)
State New
Headers show
Series io_uring: improve request linking trace | expand

Commit Message

Jens Axboe Sept. 20, 2024, 6:11 a.m. UTC 
Right now any link trace is listed as being linked after the head
request in the chain, but it's more useful to note explicitly which
request a given new request is chained to. Change the link trace to dump
the tail request so that chains are immediately apparent when looking at
traces.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

---
diff mbox series

Patch

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index d5425f4055ae..2b81269c4266 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2163,7 +2163,7 @@  static inline int io_submit_sqe(struct io_ring_ctx *ctx, struct io_kiocb *req,
 	 * conditions are true (normal request), then just queue it.
 	 */
 	if (unlikely(link->head)) {
-		trace_io_uring_link(req, link->head);
+		trace_io_uring_link(req, link->last);
 		link->last->link = req;
 		link->last = req;