FDISK_P4
if (part > FDISK_P4) {
ext_part = part-FDISK_P4-1;
cl->cl_map[FDISK_P4 + 1 + count].dkl_cylno = UINT32_MAX;
cl->cl_map[FDISK_P4 + 1 + count].dkl_nblk =
cl->cl_offset[FDISK_P4 + 1 + count] =