From ff5771613cd7b3a76cd16cb54aa81d30d3c11d48 Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence@gmail.com>
Date: Tue, 20 Oct 2020 23:50:27 +0100
Subject: [PATCH] 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>
---
fs/io_uring.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c
index aeef02b0cf128..8fffcf4eefb16 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6237,8 +6237,10 @@ static void __io_queue_sqe(struct io_kiocb *req, struct io_comp_state *cs)
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:
--
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