From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Mason <chris.mason@oracle.com>
Subject: Re: [ANNOUNCE] Btrfs v0.13
Date: Tue, 1 Apr 2008 09:38:26 -0400
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Cc: linux-fsdevel@vger.kernel.org, btrfs-devel@oss.oracle.com,
        David Miller <davem@davemloft.net>, linux-kernel@vger.kernel.org
To: Alex Chiang <achiang@hp.com>
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On Monday 31 March 2008, Alex Chiang wrote:

> > So, using the patch from my last mail, I created a btrfs, but was
> > unable to mount it...
>
> At some point, I got confused which btrfs trees I was working in,
> and gotten switched up to where I had insmod'ed btrfs v0.13, but
> was trying to mount a filesystem created with
> btrfs-progs-unstable. Of course, I got a version mismatch when it
> went to check for BTRFS_MAGIC and mount failed.
>
> Moving to btrfs-unstable allowed me to mount the filesystem.

This is a very easy mistake to make, a long standing TODO is to make sane 
format revision fields.  I'll include this in the multi-device code.  Thanks 
for all the patches so far.

-chris