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From: Malahal Naineni <malahal@us.ibm.com>
To: "linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
Subject: Re: NFSv4: truncate returns I/O error
Date: Tue, 6 Mar 2012 09:08:43 -0600	[thread overview]
Message-ID: <20120306150842.GA7453@us.ibm.com> (raw)
In-Reply-To: <1331043405.3260.4.camel@lade.trondhjem.org>

Myklebust, Trond [Trond.Myklebust@netapp.com] wrote:
> On Tue, 2012-03-06 at 11:10 +0100, Miklos Szeredi wrote:
> > The attached test program reliably fails on an NFSv4 mount.
> > 
> > # mount -tnfs -onfsvers=4 127.0.0.1:/ /mnt/nfs
> > # ./truncate-test /mnt/nfs/tmp/xyz
> > truncate: Input/output error
> > 
> > Thanks,
> > Miklos
> 
> Thanks! I'll see if I can reproduce and figure out what's going wrong.

I could reproduce on RHEL6.2. If I remove the second open (O_RDONLY),
then it works fine.

If I do "chmod" (probably others too) on that failing file, then truncate
works on it. Looks like some kind of attribute validation issue, I will
test it more if I get a chance.

Regards, Malahal.


  reply	other threads:[~2012-03-06 15:09 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-06 10:10 NFSv4: truncate returns I/O error Miklos Szeredi
2012-03-06 10:10 ` Miklos Szeredi
2012-03-06 14:16 ` Myklebust, Trond
2012-03-06 14:16   ` Myklebust, Trond
2012-03-06 14:16   ` Myklebust, Trond
2012-03-06 15:08   ` Malahal Naineni [this message]
2012-03-07 22:40 ` [PATCH 0/2] " Trond Myklebust
2012-03-07 22:40   ` [PATCH 1/2] NFS: Properly handle the case where the delegation is revoked Trond Myklebust
2012-03-07 22:40     ` [PATCH 2/2] NFSv4: Return the delegation if the server returns NFS4ERR_OPENMODE Trond Myklebust
2012-03-08 17:52       ` Olga Kornievskaia
2012-03-08 17:52         ` Olga Kornievskaia
2012-03-08 18:15         ` Myklebust, Trond
2012-03-08 18:15           ` Myklebust, Trond
2012-03-08 18:15           ` Myklebust, Trond
2012-03-08 20:23           ` Olga Kornievskaia
2012-03-08 20:23             ` Olga Kornievskaia
2012-03-08 20:42             ` J. Bruce Fields
2012-03-08 20:50               ` Myklebust, Trond
2012-03-08 20:50                 ` Myklebust, Trond
2012-03-08 20:50                 ` Myklebust, Trond
2012-03-08 20:57                 ` J. Bruce Fields
2012-03-08 21:02                   ` Myklebust, Trond
2012-03-08 21:02                     ` Myklebust, Trond
2012-03-08 21:02                     ` Myklebust, Trond
2012-03-08 21:09                     ` J. Bruce Fields
2012-03-08 21:12                   ` Boaz Harrosh
2012-03-08 21:12                     ` Boaz Harrosh
2012-03-08 21:27                 ` Olga Kornievskaia
2012-03-08 21:27                   ` Olga Kornievskaia

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