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Date:   Mon, 23 May 2022 10:29:51 -0400
From:   bfields <bfields@fieldses.org>
To:     Richard Weinberger <richard@nod.at>
Cc:     linux-nfs <linux-nfs@vger.kernel.org>, david <david@sigma-star.at>,
        luis turcitu <luis.turcitu@appsbroker.com>,
        david young <david.young@appsbroker.com>,
        david oberhollenzer <david.oberhollenzer@sigma-star.at>,
        trond myklebust <trond.myklebust@hammerspace.com>,
        anna schumaker <anna.schumaker@netapp.com>,
        Steve Dickson <steved@redhat.com>,
        chris chilvers <chris.chilvers@appsbroker.com>
Subject: Re: [PATCH 0/5] nfs-utils: Improving NFS re-exports
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On Mon, May 23, 2022 at 09:53:45AM +0200, Richard Weinberger wrote:
> Please also don't forget the kernel side of this work. It is small but
> still needed.  See:
> https://lore.kernel.org/linux-nfs/20220110184419.27665-1-richard@nod.at/
> or
> https://git.kernel.org/pub/scm/linux/kernel/git/rw/misc.git/log/?h=nfs_reexport_clean

The follow_down() code, at least, needs vfs review, maybe resend with a
cc to Al Viro and linux-fsdevel.

I'm not really familiar with how the vfs automounting code works.

> Since the kernel changes don't change the ABI, it should not really
> matter which part is merged first. Kernel or userspace. The only
> important part is stating the right kernel version in the nfs-utils
> manpages.

OK, as long as we make sure nothing annoying happens in the
old-kernel/new-nfs-utils case.  (Looks to me like it should be OK.)

--b.