xfs_verify_cksum
if(!xfs_verify_cksum(fBuffer, fVolume->InodeSize(), INODE_CRC_OFF)) {
if (!xfs_verify_cksum(buffer, inode->DirBlockSize(), T::CRCOffset())) {
if(!xfs_verify_cksum(buf, 512, XfsSuperBlock::Offset_crc())) {