https://clickhouse-test-reports.s3.yandex.net/15348/34addcf61f653e50e493ff8d94fab015db91fa59/fuzzer/report.html#fail1
{
        #if defined(__FreeBSD__)
            return posix_fallocate(fd, 0, len);
        #else
            return fallocate(fd, 0, 0, len);
        #endif
    }
}
SSDComplexKeyCachePartition::Metadata::time_point_t SSDComplexKeyCachePartition::Metadata::expiresAt() const
{
    return ext::safe_bit_cast<time_point_t>(data & KEY_METADATA_EXPIRES_AT_MASK);
}
void SSDComplexKeyCachePartition::Metadata::setExpiresAt(const time_point_t & t)
{
    data = ext::safe_bit_cast<time_point_urep_t>(t);
}
bool SSDComplexKeyCachePartition::Metadata::isDefault() const