i_e2fs_gid_high
ip->i_e2fs_gid_high = pdir->i_e2fs_gid_high;
ip->i_e2fs_gid_high = 0;
ip->i_gid = ip->i_e2fs_gid | (ip->i_e2fs_gid_high << 16);
ip->i_gid |= ip->i_e2fs_gid_high << 16;
ip->i_e2fs_gid_high = (gid >> 16) & 0xffff;
ip->i_e2fs_gid_high = 0;