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Date:   Thu, 15 Apr 2021 18:29:09 +0000
From:   Luis Chamberlain <mcgrof@kernel.org>
To:     Josef Bacik <josef@toxicpanda.com>
Cc:     Filipe Manana <fdmanana@suse.com>, David Sterba <dsterba@suse.cz>,
        Al Viro <viro@zeniv.linux.org.uk>, Chris Mason <clm@fb.com>,
        Josef Bacik <jbacik@fb.com>,
        Christoph Hellwig <hch@infradead.org>,
        Linux FS Devel <linux-fsdevel@vger.kernel.org>,
        Btrfs BTRFS <linux-btrfs@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Jeff Mahoney <jeffm@suse.com>
Subject: Re: [RFC v3 0/2] vfs / btrfs: add support for ustat()
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On Thu, Apr 15, 2021 at 02:17:58PM -0400, Josef Bacik wrote:
> There's a lot of larger things that need to
> be addressed in general to support the volume approach inside file systems
> that is going to require a lot of work inside of VFS.  If you feel like
> tackling that work and then wiring up btrfs by all means have at it, but I'm
> not seeing a urgent need to address this.  Thanks,

That's precisely what I what I want to hear me about. Things like this.
Would btrfs be the ony user of volumes inside filesystem? Jeff had
mentioned before this could also allow namespaces per volumes, and this
might be a desirable feature.

What else?

 Luis