linux-kernel - Re: 2.6.21-git10/11: files getting truncated on xfs? or maybe an nlink problem?

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Message-ID: <20070512075618.GE85884050@sgi.com>
Date:	Sat, 12 May 2007 17:56:18 +1000
From:	David Chinner <dgc@....com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	David Chinner <dgc@....com>, Chuck Ebbert <cebbert@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Matt Mackall <mpm@...enic.com>, xfs@....sgi.com
Subject: Re: 2.6.21-git10/11: files getting truncated on xfs? or maybe an nlink problem?

On Fri, May 11, 2007 at 07:48:26AM -0700, Jeremy Fitzhardinge wrote:
> David Chinner wrote:
> >> Yes, that does look like a good candidate.  Should I try to
> >> before-and-after this change?
> >>     
> >
> > Yes please!
> >   
> 
> OK, definite result.  Before ba87ea699ebd9dd577bf055ebc4a98200e337542: 
> all OK.  After: truncated files.
> 
> I also got a bmap of a particular truncated file,
> linux-clone-test-1/.hg/store/00manifest.i, diffing before with after:
> 
> --rw-r--r--  1 root root   3558208 May 11 01:16 /home/jeremy/hg/linux-clone-test-1/.hg/store/00manifest.i
> +-rw-r--r--  1 root root   3541760 May 11 01:16 /home/jeremy/hg/linux-clone-test-1/.hg/store/00manifest.i
> 
>    16: [6144..6271]:    18141808..18141935  2 (2413168..2413295)   128
>    17: [6272..6399]:    18140608..18140735  2 (2411968..2412095)   128
>    18: [6400..6911]:    18136464..18136975  2 (2407824..2408335)   512
> -  19: [6912..6951]:    18136336..18136375  2 (2407696..2407735)    40
> +  19: [6912..6919]:    18136336..18136343  2 (2407696..2407703)     8

Ok, thanks for confirming the cause of the regression. I'll post a patch
when I've got something for you to try.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group
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