ISTR Eric Biederman mentioned this, but I don't know whether he's volunteering or whether he'll be there.

I could try to write it, but my VFS track record is pretty bad.

On Aug 16, 2014 9:00 PM, "Jan Kara" <jack@suse.cz> wrote:
On Sat 16-08-14 13:43:40, Andy Lutomirski wrote:
> Is anyone interested in discussing a new mount API in the unconference
> track?
>
> Think bindmountat, etc.
  We can discuss however will there be anyone who's going to write the
code? I know Miklos Szeredi was looking into that but it didn't go anywhere
AFAIK and he won't be at KS/LinuxCon. And I'm not sure if Al will be at the
conference..
                                                                Honza
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR