linux-ext4 - Re: ext2 issues with xfstests 113

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Message-ID: <20100601102618.GB4275@quack.suse.cz>
Date:	Tue, 1 Jun 2010 12:26:19 +0200
From:	Jan Kara <jack@...e.cz>
To:	Christoph Hellwig <hch@....de>
Cc:	Jan Kara <jack@...e.cz>, linux-ext4@...r.kernel.org
Subject: Re: ext2 issues with xfstests 113

On Tue 01-06-10 11:03:37, Christoph Hellwig wrote:
> On Mon, May 31, 2010 at 11:31:01PM +0200, Jan Kara wrote:
> >   Hmm, interesting because I've run test 113 again with a kernel somewhere
> > between 2.6.34 and 2.6.35-rc1 and the filesystem is clean. So probably you
> > are able to hit some kind of race I'm not able to. Could you check whether
> > the corruption is caused by the O_DIRECT run or some other one?
> 
> 113 is an AIO test, so it must be using O_DIRECT.
  Why? Looking at aio-stress source and 113 script, two of aio-stress runs
use buffered IO and only the last one uses O_DIRECT...

> >   Also could you get "e2image -r" of the filesystem, bzip2 it and put it
> > somewhere for download?
> 
> I've jyst attached it as the compressed version is small enough (88k).
  Thanks, I'll have a look whether I can guess something.

								Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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