From owner-freebsd-cloud@freebsd.org  Mon Dec  4 00:46:47 2017
Return-Path: <owner-freebsd-cloud@freebsd.org>
Delivered-To: freebsd-cloud@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9F762E6E8C1
 for <freebsd-cloud@mailman.ysv.freebsd.org>;
 Mon,  4 Dec 2017 00:46:47 +0000 (UTC) (envelope-from raf@rafal.net)
Received: from fbo-2.mxes.net (mxout-22.mxes.net [216.86.168.222])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 7572B7109E
 for <freebsd-cloud@freebsd.org>; Mon,  4 Dec 2017 00:46:46 +0000 (UTC)
 (envelope-from raf@rafal.net)
Received: from smtp-out-1.mxes.net (smtp-out-1.mxes.net [67.222.241.250])
 by fbi-2.mxes.net (Postfix) with ESMTP id 8D09627500
 for <freebsd-cloud@freebsd.org>; Sun,  3 Dec 2017 19:46:45 -0500 (EST)
Received: from [192.168.40.37]
 (86-40-118-125-dynamic.agg2.bri.bbh-prp.eircom.net [86.40.118.125])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by smtp.mxes.net (Postfix) with ESMTPSA id DB743274F9;
 Sun,  3 Dec 2017 19:46:22 -0500 (EST)
Content-Type: text/plain;
	charset=utf-8
Mime-Version: 1.0 (Mac OS X Mail 11.1 \(3445.4.7\))
Subject: Re: Suppress kernel messages "NFSv4 fileid > 32bits"
From: Rafal Lukawiecki <raf@rafal.net>
In-Reply-To: <YTOPR0101MB2172DD382234F70C201C7654DD3C0@YTOPR0101MB2172.CANPRD01.PROD.OUTLOOK.COM>
Date: Mon, 4 Dec 2017 00:46:21 +0000
Cc: Colin Percival <cperciva@tarsnap.com>,
 "freebsd-cloud@freebsd.org" <freebsd-cloud@freebsd.org>
Content-Transfer-Encoding: quoted-printable
Message-Id: <F338760E-4209-4129-A9C6-4687490538A1@rafal.net>
References: <386518E3-1D01-4E1F-BB77-E9C530E05381@rafal.net>
 <0100015ff59bd564-84bd069a-00b5-4a05-a8aa-dbe2aa19693c-000000@email.amazonses.com>
 <D64EB3EA-37B0-4FC3-9D0C-31642030B654@rafal.net>
 <010001601e629361-9732ac13-ac59-462a-b30f-92702c3600a4-000000@email.amazonses.com>
 <YTOPR0101MB2172DD382234F70C201C7654DD3C0@YTOPR0101MB2172.CANPRD01.PROD.OUTLOOK.COM>
To: Rick Macklem <rmacklem@uoguelph.ca>
X-Mailer: Apple Mail (2.3445.4.7)
X-BeenThere: freebsd-cloud@freebsd.org
X-Mailman-Version: 2.1.25
Precedence: list
List-Id: "FreeBSD on cloud platforms \(EC2, GCE, Azure,
 etc.\)" <freebsd-cloud.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-cloud>,
 <mailto:freebsd-cloud-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-cloud/>
List-Post: <mailto:freebsd-cloud@freebsd.org>
List-Help: <mailto:freebsd-cloud-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-cloud>,
 <mailto:freebsd-cloud-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 04 Dec 2017 00:46:47 -0000


> My only suggestion is that the message should be generated at least =
once,
> since it does indicate that your mount is "broken". When the fileid =
(i-node#)
> is truncated to 32bits, it is possible for two different fileids to be =
mapped to
> the same number. The most common error I am aware of is the fts(3) =
library
> functions generating "cycle in directory structure" errors.
>=20
> It would have to be a direct commit to stable/11, but if Colin wants =
to do it,
> I don't have a problem with it, rick
>=20

That sounds very reasonable to me. If I knew the code of =
nfs_commonsubs.c better, I would volunteer, but I suppose it would be =
safer in Colin=E2=80=99s hands.

Many thanks,
Rafal=