def default_device_names_for_instance(self, instance, root_device_name, *block_device_lists):
    (ephemerals, swap, block_device_mapping) = block_device_lists[:3]
    blockinfo.default_device_names(CONF.libvirt.virt_type, nova_context.get_admin_context(), instance, root_device_name, ephemerals, swap, block_device_mapping)
def default_device_names_for_instance(self, instance, root_device_name, *block_device_lists):
    (ephemerals, swap, block_device_mapping) = block_device_lists[:3]
    blockinfo.default_device_names(CONF.libvirt.virt_type, nova_context.get_admin_context(), instance, root_device_name, ephemerals, swap, block_device_mapping)