ublk_dev_support_auto_buf_reg
if (ublk_dev_support_auto_buf_reg(ub))
if (ublk_dev_support_auto_buf_reg(data->ub))
if (ublk_dev_support_auto_buf_reg(data->ub)) {
!ublk_dev_support_auto_buf_reg(data->ub))
!ublk_dev_support_auto_buf_reg(ub);
ublk_dev_support_auto_buf_reg(ub);