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Date:   Fri, 7 Jul 2023 04:30:21 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Jan Kara <jack@suse.cz>
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        linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
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        linux-btrfs@vger.kernel.org, Dmitry Vyukov <dvyukov@google.com>
Subject: Re: [PATCH 6/6] fs: Make bind mounts work with
 bdev_allow_write_mounted=n
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On Thu, Jul 06, 2023 at 06:12:55PM +0200, Jan Kara wrote:
> Well, this is exactly what this patch does - we use dev_t to lookup the
> superblock in sget_fc() and we open the block device only if we cannot find
> matching superblock and need to create a new one...

Hah, that's what you get for writing one last mail before getting on
an airplane without reading the patch.  This just sounded like a
workaround especially being at the end of the series.