ublk_param_basic
const struct ublk_param_basic *p = &ub->params.basic;
const struct ublk_param_basic *p = &ub->params.basic;
struct ublk_param_basic *p = &ub->params.basic;
const struct ublk_param_basic *p = &ub->params.basic;
const struct ublk_param_basic *p = &ub->params.basic;
struct ublk_param_basic basic;