linux-kernel - Re: nfs regression 2.6.35+

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Message-ID: <20100816181751.GA2439@elliptictech.com>
Date:	Mon, 16 Aug 2010 14:17:51 -0400
From:	Nick Bowler <nbowler@...iptictech.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Shaohua Li <shaohua.li@...el.com>, Trond.Myklebust@...app.com,
	rjw@...k.pl, linux-kernel@...r.kernel.org,
	linux-nfs@...r.kernel.org
Subject: Re: nfs regression 2.6.35+

On 2010-08-16 12:40 +0200, Takashi Iwai wrote:
> At Mon, 16 Aug 2010 12:09:12 +0200, Takashi Iwai wrote:
> > This hits me, too.  Reverting it cures the problem.
> > (BTW, the correct commit id of the affecting patch is
> >  af7fa16506bf9b6323e862a61e14c20555152bb3
> >  "NFS: Fix up the fsync code")
> > 
> > Reproduced on 2.6.36-rc1.
> > 
> > So, fsync() returns 1 wrongly.

Apparently this breaks NFS file locks as well:  

  fetchmail: starting fetchmail 6.3.17 daemon
  /home/nbowler/.fetchmail.pid: Bad file descriptor
  fetchmail: lock creation failed.

> How about a band-aid fix below?
[...]
> Subject: [PATCH] NFS: fix fsync return code

and this fixes all the problems for me.

-- 
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)
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