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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>
This commit is contained in:
Pavel Begunkov 2020-10-20 23:50:27 +01:00 committed by Jens Axboe
parent 69228338c9
commit ff5771613c
1 changed files with 3 additions and 1 deletions
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4
fs/io_uring.c
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@ -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: