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Date: Tue, 12 Feb 2013 16:42:25 -0500
From: Chris Mason <chris.mason@fusionio.com>
To: "Richard W.M. Jones" <rjones@redhat.com>
CC: Josef Bacik <JBacik@fusionio.com>,
        "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: What can I do to make btrfs work?
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On Tue, Feb 12, 2013 at 02:05:35PM -0700, Richard W.M. Jones wrote:
> 
> Yes, this is inside a very recent KVM (qemu 1.3.0), using virtio-scsi
> as the backing disk.

Ok, can you please run this on your virtio device file?  It will
overwrite the first 256K, so don't do this on a file you care about.

gcc -Wall -o vtest vtest.c

./vtest /dev/xxx

I've attached vtest.c and gzip'd it just to make sure no mailers mess
with my pretty code.

-chris

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