From owner-freebsd-current@FreeBSD.ORG  Wed Feb  6 15:26:16 2013
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by hub.freebsd.org (Postfix) with ESMTP id 6A66C50B
 for <freebsd-current@FreeBSD.org>; Wed,  6 Feb 2013 15:26:16 +0000 (UTC)
 (envelope-from avg@FreeBSD.org)
Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140])
 by mx1.freebsd.org (Postfix) with ESMTP id B557526F
 for <freebsd-current@FreeBSD.org>; Wed,  6 Feb 2013 15:26:15 +0000 (UTC)
Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua
 [212.40.38.101])
 by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id RAA17662;
 Wed, 06 Feb 2013 17:26:11 +0200 (EET) (envelope-from avg@FreeBSD.org)
Message-ID: <51127612.8000305@FreeBSD.org>
Date: Wed, 06 Feb 2013 17:26:10 +0200
From: Andriy Gapon <avg@FreeBSD.org>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
 rv:17.0) Gecko/20130206 Thunderbird/17.0.2
MIME-Version: 1.0
To: Rick Macklem <rmacklem@uoguelph.ca>
Subject: Re: panic: LK_RETRY set with incompatible flags
References: <1502349220.2745137.1360163749334.JavaMail.root@erie.cs.uoguelph.ca>
In-Reply-To: <1502349220.2745137.1360163749334.JavaMail.root@erie.cs.uoguelph.ca>
X-Enigmail-Version: 1.4.6
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: Konstantin Belousov <kostikbel@gmail.com>,
 Sergey Kandaurov <pluknet@gmail.com>,
 FreeBSD Current <freebsd-current@FreeBSD.org>
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
 <mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 06 Feb 2013 15:26:16 -0000

on 06/02/2013 17:15 Rick Macklem said the following:
> Well, zfs_vget() returns EOPNOTSUPP for .zfs, so the NFS server knows to
> switch over to using VOP_LOOKUP(). If the .zfs/snapshot and .zfs/share
> do the same thing, that should be fine, at least for the NFS server,
> I think.

Ah, right, but again this is done only for .zfs and .zfs/snapshot.
.zfs/shares is not special-cased and thus is problematic here too in the same
fashion as zfs_fhtovp.

-- 
Andriy Gapon