XFS_BIGTIME_EPOCH_OFFSET
return (uint64_t)unix_seconds + XFS_BIGTIME_EPOCH_OFFSET;
return (time64_t)ondisk_seconds - XFS_BIGTIME_EPOCH_OFFSET;
XFS_CHECK_VALUE(XFS_BIGTIME_TIME_MIN - XFS_BIGTIME_EPOCH_OFFSET,
XFS_CHECK_VALUE(XFS_BIGTIME_TIME_MAX - XFS_BIGTIME_EPOCH_OFFSET,