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From: Chris Mason <chris.mason@oracle.com>
To: Josef Bacik <josef@redhat.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] Btrfs: set a compat flag when setting default subvol
Date: Thu, 17 Dec 2009 16:30:21 -0500	[thread overview]
Message-ID: <20091217213021.GA2804@think> (raw)
In-Reply-To: <20091217214024.GC4122@dhcp231-156.rdu.redhat.com>

On Thu, Dec 17, 2009 at 04:40:24PM -0500, Josef Bacik wrote:
> This is just to mark the fs that it's been tinkered with to set the default
> subvolume.  It's a compatible change because older kernels will just ignore the
> default setting and mount the same thing they always have.  Thanks,

I actually don't think this is a compatible change.  If someone mounts
under 2.6.33 and gets one filesystem, they will expect the same FS under
2.6.32.  We should make sure they get what they expect or a friendly
error message.

-chris

      reply	other threads:[~2009-12-17 21:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-17 21:40 [PATCH] Btrfs: set a compat flag when setting default subvol Josef Bacik
2009-12-17 21:30 ` Chris Mason [this message]

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