xfs_end_cksum
*(__le32 *)(buffer + cksum_offset) = xfs_end_cksum(crc);
return *(__le32 *)(buffer + cksum_offset) == xfs_end_cksum(crc);
dip->di_crc = xfs_end_cksum(crc);
return xfs_end_cksum(crc);