From: Christoph Hellwig <hch@lst.de>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
Jan Kara <jack@suse.cz>,
linux-block <linux-block@vger.kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Brian Foster <bfoster@redhat.com>,
Damien Le Moal <dlemoal@kernel.org>,
Hillf Danton <hdanton@sina.com>,
Markus Elfring <Markus.Elfring@web.de>,
Ming Lei <tom.leiming@gmail.com>, Qu Wenruo <wqu@suse.com>,
Tao Cui <cui.tao@linux.dev>, kernel test robot <lkp@intel.com>,
rust-for-linux@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Nilay Shroff <nilay@linux.ibm.com>
Subject: Re: [PATCH v5 1/2] block: Add post_release() operation
Date: Mon, 5 Oct 2026 10:45:21 +0200 [thread overview]
Message-ID: <20261005084521.GA8879@lst.de> (raw)
In-Reply-To: <472c3bcd-45d4-477b-9e81-3c68601dc18f@acm.org>
On Mon, Sep 28, 2026 at 10:29:42AM -0700, Bart Van Assche wrote:
> On 9/22/26 10:09 PM, Tetsuo Handa wrote:
>> Add post_release() block device operation which provides a hook for
>> performing synchronous cleanup without disk->open_mutex held, which is
>> needed by the loop devices.
>
> Hi Jens,
>
> This patch series fixes a longstanding race condition. I haven't seen
> any objections to this patch series. There is at least one other patch
> that conflicts with this patch series: "[PATCH v6] loop: defer the queue
> limits clear to a workqueue". Please consider merging this patch series.
No, adding magic out of lock extra ops is a no-go, and we've been
through that before.
next prev parent reply other threads:[~2026-10-05 8:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-23 5:09 [PATCH v5 1/2] block: Add post_release() operation Tetsuo Handa
2026-09-23 5:10 ` [PATCH v5 2/2] loop: Perform __loop_clr_fd() from post_release callback Tetsuo Handa
2026-09-23 17:16 ` Bart Van Assche
2026-09-23 17:14 ` [PATCH v5 1/2] block: Add post_release() operation Bart Van Assche
2026-09-23 18:38 ` Gary Guo
2026-09-24 13:46 ` Tetsuo Handa
2026-09-28 17:29 ` Bart Van Assche
2026-10-05 8:45 ` Christoph Hellwig [this message]
2026-10-05 14:23 ` Tetsuo Handa
2026-10-05 21:07 ` Bart Van Assche
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