From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Minchan Kim <minchan@kernel.org>, Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mmc@vger.kernel.org, Longlong Xia <xialonglong@kylinos.cn>,
stable@vger.kernel.org
Subject: Re: [PATCH] zram: freeze device queue before device reset
Date: Wed, 5 Aug 2026 19:29:02 +0900 [thread overview]
Message-ID: <anMQTJeiBZUHX2Y_@google.com> (raw)
In-Reply-To: <20260805021854.1057715-1-senozhatsky@chromium.org>
On (26/08/05 11:18), Sergey Senozhatsky wrote:
> Device reset does not take into account in-flight async IO
> requests so we can free meta table and reset device concurrently
> with those requests being executed. The block layer guidelines
> indicate that queue state should be protected by blk_mq_freeze_queue()
> during teardown. Freeze zram queue before device reset.
>
> Fixes: cd67e10ac699 ("zram: promote zram from staging")
> Link: https://sashiko.dev/#/patchset/20260804065919.3970386-1-xialonglong2025@163.com
> Cc: stable@vger.kernel.org
> Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
lockdep doesn't seem to be happy...
Let me look into it.
next prev parent reply other threads:[~2026-08-05 10:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-05 2:18 [PATCH] zram: freeze device queue before device reset Sergey Senozhatsky
2026-08-05 10:29 ` Sergey Senozhatsky [this message]
2026-08-05 10:52 ` Sergey Senozhatsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=anMQTJeiBZUHX2Y_@google.com \
--to=senozhatsky@chromium.org \
--cc=akpm@linux-foundation.org \
--cc=axboe@kernel.dk \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=minchan@kernel.org \
--cc=stable@vger.kernel.org \
--cc=xialonglong@kylinos.cn \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.