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Date: Wed, 27 Jun 2012 09:46:34 -0400
From: Josef Bacik <jbacik@fusionio.com>
To: Alex Lyakas <alex.bolshoy.btrfs@gmail.com>
CC: Josef Bacik <JBacik@fusionio.com>,
        "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: fio reports data corruption with btrfs
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On Wed, Jun 27, 2012 at 02:15:59AM -0600, Alex Lyakas wrote:
> Hi Josef,
> I have rerun the test with btrfs-next master branch. fio reported
> mismatched blocks again. Mount options were the same (-o
> noatime,nodatacow).
> 

Ok I'll try running it again here locally, I didn't realize it was nodatacow.
In the meantime can you try a newer version of fio, I'm running
fio-2.0.6-1.fc18.x86_64 but I think git is even newer than that.  Thanks,

Josef