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Date: Tue, 7 Nov 2023 23:51:58 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Josef Bacik <josef@toxicpanda.com>
Cc: Christoph Hellwig <hch@infradead.org>,
	Christian Brauner <brauner@kernel.org>,
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	Chris Mason <clm@fb.com>, David Sterba <dsterba@suse.com>,
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Subject: Re: [PATCH 0/3] fanotify support for btrfs sub-volumes
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On Mon, Nov 06, 2023 at 05:42:10PM -0500, Josef Bacik wrote:
> Again, this is where I'm confused, because this doesn't change anything, we're
> still going to report st_dev as being different, which is what you hate.

It's not something I hate.  It's that changing it without a mount point
has broken things and will probably still break things.