Offset and count fields are unused and so can be removed.
The offset field was actually in the Vhost example, but
in a way that does not make sense.
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
Reviewed-by: Jiayu Hu <jiayu.hu@intel.com>