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Date:   Wed, 1 Dec 2021 23:22:43 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc:     Christoph Hellwig <hch@infradead.org>, Jan Kara <jack@suse.cz>,
        Dave Chinner <dchinner@redhat.com>,
        linux-block@vger.kernel.org, Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH] loop: make autoclear operation asynchronous
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On Wed, Dec 01, 2021 at 11:41:23PM +0900, Tetsuo Handa wrote:
> OK. Here is a patch.
> Is this better than temporarily dropping disk->open_mutex ?

This looks much better, and also cleans up the horrible locking warts
in __loop_clr_fd.