to_nullb_device
to_nullb_device(item)->NAME, page); \
struct nullb_device *dev = to_nullb_device(item); \
return nullb_device_bool_attr_show(to_nullb_device(item)->power, page);
struct nullb_device *dev = to_nullb_device(item);
struct nullb_device *t_dev = to_nullb_device(item);
struct nullb_device *t_dev = to_nullb_device(item);
struct nullb_device *dev = to_nullb_device(item);
struct nullb_device *dev = to_nullb_device(item);
struct nullb_device *dev = to_nullb_device(item);
struct nullb_device *dev = to_nullb_device(item);