From: Pavel Begunkov <asml.silence@gmail.com>
Date: Tue, 20 Oct 2020 22:50:27 +0000 (+0100)
Subject: io_uring: don't reuse linked_timeout
X-Git-Tag: microblaze-v5.11~20^2~4
X-Git-Url: http://git.monstr.eu/?p=linux-2.6-microblaze.git;a=commitdiff_plain;h=ff5771613cd7b3a76cd16cb54aa81d30d3c11d48

io_uring: don't reuse linked_timeout

Clear linked_timeout for next requests in __io_queue_sqe() so we won't
queue it up unnecessary when it's going to be punted.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Cc: stable@vger.kernel.org # v5.9
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/io_uring.c b/fs/io_uring.c
index aeef02b0cf12..8fffcf4eefb1 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6237,8 +6237,10 @@ punt:
 	if (nxt) {
 		req = nxt;
 
-		if (req->flags & REQ_F_FORCE_ASYNC)
+		if (req->flags & REQ_F_FORCE_ASYNC) {
+			linked_timeout = NULL;
 			goto punt;
+		}
 		goto again;
 	}
 exit: