We should throw exception when commitlog 's DiskAccessMode is direct but direct io is not support

private static DiskAccessMode resolveCommitLogWriteDiskAccessMode(DiskAccessMode providedDiskAccessMode)
    {
        boolean compressOrEncrypt = getCommitLogCompression() != null || (getEncryptionContext() != null && getEncryptionContext().isEnabled());
        boolean directIOSupported = false;
        try
        {
            directIOSupported = FileUtils.getBlockSize(new File(getCommitLogLocation())) > 0;
        }
        catch (RuntimeException e)
        {
            logger.warn("Unable to determine block size for commit log directory: {}", e.getMessage());
        }

        if (providedDiskAccessMode == DiskAccessMode.auto)
        {
            if (compressOrEncrypt)
                providedDiskAccessMode = DiskAccessMode.legacy;
            else
            {
                providedDiskAccessMode = directIOSupported && conf.disk_optimization_strategy == Config.DiskOptimizationStrategy.ssd ? DiskAccessMode.direct
                                                                                                                                     : DiskAccessMode.legacy;
            }
        }

        if (providedDiskAccessMode == DiskAccessMode.legacy)
        {
            providedDiskAccessMode = compressOrEncrypt ? DiskAccessMode.standard : DiskAccessMode.mmap;
        }

        return providedDiskAccessMode;
    }