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Message-ID: <1045320558.283423.1669584585412.JavaMail.zimbra@nod.at>
Date:   Sun, 27 Nov 2022 22:29:45 +0100 (CET)
From:   Richard Weinberger <richard@....at>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     linux-nfs <linux-nfs@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        chuck lever <chuck.lever@...cle.com>, anna <anna@...nel.org>,
        trond myklebust <trond.myklebust@...merspace.com>,
        Al Viro <viro@...iv.linux.org.uk>, raven <raven@...maw.net>,
        chris chilvers <chris.chilvers@...sbroker.com>,
        david young <david.young@...sbroker.com>,
        luis turcitu <luis.turcitu@...sbroker.com>,
        david <david@...ma-star.at>
Subject: Re: [PATCH 2/3] fs: namei: Allow follow_down() to uncover auto
 mounts

----- Ursprüngliche Mail -----
> Von: "Jeff Layton" <jlayton@...nel.org>
>> So, in nfsd_cross_mnt() the follow_down() helper should use LOOKUP_AUTOMOUNT
>> only
>> if exp->ex_flags & NFSEXP_CROSSMOUNT is true?
>> Sounds sane, thanks for the pointer.
>> 
> 
> Yeah, I think so. I do wonder if we ought to make any provision for
> "nohide" exports, but since you have to enumerate those explicitly, it
> shouldn't be a huge problem for someone to just ensure that they're
> mounted beforehand.

TBH, I didn't invest much into the nohide feature wrt. NFS re-exporting.
What problem do you have in mind?

I wonder also what NFS client folks think about my changes before I send
the next revision (with Jeff's comments addressed).

Thanks,
//richard

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