On 08/29/2013 08:00 AM, Paolo Bonzini wrote:
> If the sectors are unallocated and we are past the end of the
> backing file, they will read as zero.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  block.c | 16 ++++++++++++----
>  1 file changed, 12 insertions(+), 4 deletions(-)

Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org