lkml.org 
[lkml]   [2021]   [Sep]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Patch "io_uring: fail links of cancelled timeouts" has been added to the 5.13-stable tree
On Mon, Sep 13, 2021 at 11:45:14AM +0200, gregkh@linuxfoundation.org wrote:
>
> This is a note to let you know that I've just added the patch titled
>
> io_uring: fail links of cancelled timeouts
>
> to the 5.13-stable tree which can be found at:
> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
>
> The filename of the patch is:
> io_uring-fail-links-of-cancelled-timeouts.patch
> and it can be found in the queue-5.13 subdirectory.
>
> If you, or anyone else, feels it should not be added to the stable tree,
> please let <stable@vger.kernel.org> know about it.
>
>
> >From 2ae2eb9dde18979b40629dd413b9adbd6c894cdf Mon Sep 17 00:00:00 2001
> From: Pavel Begunkov <asml.silence@gmail.com>
> Date: Thu, 9 Sep 2021 13:56:27 +0100
> Subject: io_uring: fail links of cancelled timeouts
>
> From: Pavel Begunkov <asml.silence@gmail.com>
>
> commit 2ae2eb9dde18979b40629dd413b9adbd6c894cdf upstream.
>
> When we cancel a timeout we should mark it with REQ_F_FAIL, so
> linked requests are cancelled as well, but not queued for further
> execution.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
> Link: https://lore.kernel.org/r/fff625b44eeced3a5cae79f60e6acf3fbdf8f990.1631192135.git.asml.silence@gmail.com
> Signed-off-by: Jens Axboe <axboe@kernel.dk>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
> fs/io_uring.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> --- a/fs/io_uring.c
> +++ b/fs/io_uring.c
> @@ -1307,6 +1307,8 @@ static void io_kill_timeout(struct io_ki
> struct io_timeout_data *io = req->async_data;
>
> if (hrtimer_try_to_cancel(&io->timer) != -1) {
> + if (status)
> + req_set_fail(req);
> atomic_set(&req->ctx->cq_timeouts,
> atomic_read(&req->ctx->cq_timeouts) + 1);
> list_del_init(&req->timeout.list);
>
>
> Patches currently in stable-queue which might be from asml.silence@gmail.com are
>
> queue-5.13/io_uring-limit-fixed-table-size-by-rlimit_nofile.patch
> queue-5.13/io_uring-reexpand-under-reexpanded-iters.patch
> queue-5.13/io_uring-fail-links-of-cancelled-timeouts.patch
> queue-5.13/bio-fix-page-leak-bio_add_hw_page-failure.patch
> queue-5.13/io_uring-refactor-io_submit_flush_completions.patch

Breaks the build on 5.13.y so dropping it from there.

thanks,

greg k-h

\
 
 \ /
  Last update: 2021-09-13 12:49    [W:0.019 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site