XFS_CRC_SEED 20 fs/xfs/libxfs/xfs_cksum.h crc = crc32c(XFS_CRC_SEED, buffer, cksum_offset); XFS_CRC_SEED 41 fs/xfs/libxfs/xfs_cksum.h return crc32c(XFS_CRC_SEED, buffer, length);