Date: Wed, 4 Sep 2013 20:40:44 -0700
From: Jonathan McDowell <noodles@earth.li>
To: Ben Hutchings <ben@decadent.org.uk>
Cc: Karl Schmidt <karl@xtronics.com>, Dave Kleikamp <dave.kleikamp@oracle.com>,
        "J. Bruce Fields" <bfields@fieldses.org>,
        jfs-discussion@lists.sourceforge.net, 714974@bugs.debian.org,
        linux-nfs@vger.kernel.org, Christian Kujau <lists@nerdbynature.de>
Subject: Re: Bug#714974: [PATCH] jfs: fix readdir cookie incompatibility with
 NFSv4
Message-ID: <20130905034044.GD17947@earth.li>
References: <alpine.DEB.2.10.1308120113360.7081@trent.utfs.org>
 <alpine.DEB.2.10.1308120122500.7081@trent.utfs.org>
 <20130812162924.GB2395@fieldses.org>
 <520C50F7.3010209@oracle.com>
 <alpine.DEB.2.10.1308142122550.7081@trent.utfs.org>
 <alpine.DEB.2.10.1308150001530.7081@trent.utfs.org>
 <520D3EA7.1010109@oracle.com>
 <alpine.DEB.2.10.1308151420140.7081@trent.utfs.org>
 <1376769691.2544.4.camel@deadeye.wl.decadent.org.uk>
 <20130829224803.GO29286@earth.li>
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On Thu, Aug 29, 2013 at 03:48:03PM -0700, Jonathan McDowell wrote:
> On Sat, Aug 17, 2013 at 10:01:31PM +0200, Ben Hutchings wrote:
> > On Thu, 2013-08-15 at 14:26 -0700, Christian Kujau wrote:
> > > On Thu, 15 Aug 2013 at 15:48, Dave Kleikamp wrote:
> > > > This patch replaces the one I posted yesterday. I like this
> > > > better since it doesn't require fixing existing on-disk cookies
> > > > or skipping a position in the in-inode index table.
> > >=20
> > > Thanks. Applied to 3.11-rc5 and tested, no more "readdir loop"
> > > messages and with unique inode numbers, great!
> > >=20
> > >   Tested-by: Christian Kujau <lists@nerdbynature.de>
> >=20
> > Karl and Jonathan, could you test the attached backport to 3.2?
>=20
> I finally managed to be able to schedule some downtime yesterday for
> one of the machines I've been seeing this issue with. So far since the
> reboot to this kernel (3.2.46-1 + the patch) I haven't seen a
> recurrence of the problem; will update if I see anything.

I see the patch hit 3.11, but just to confirm the 3.2 backport on top of
the Debian 3.2.46-1 kernel has seen no recurrence or issues in the past
week (with a set of JFS filesystems that are fairly extensively used
over NFS).

J.

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