+ .format_name = "cow",
+ .instance_size = sizeof(BDRVCowState),
+ .bdrv_probe = cow_probe,
+ .bdrv_open = cow_open,
+ .bdrv_read = cow_read,
+ .bdrv_write = cow_write,
+ .bdrv_close = cow_close,
+ .bdrv_create = cow_create,
+ .bdrv_flush = cow_flush,
+ .bdrv_is_allocated = cow_is_allocated,