On Wed, Mar 06, 2013 at 06:02:01PM +0100, Paolo Bonzini wrote:
> Otherwise, live migration of the top layer will miss zero clusters and
> let the backing file show through.  This also matches what is done in qed.
> 
> QCOW2_CLUSTER_ZERO clusters are invalid in v2 image files.  Check this
> directly in qcow2_get_cluster_offset instead of replicating the test
> everywhere.
> 
> Cc: qemu-sta...@nongnu.org
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> ---
>  block/qcow2.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Thanks, applied to my block-next tree:
https://github.com/stefanha/qemu/commits/block-next

Stefan

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