return err
	}

	if n != len(buf) {
		return io.ErrShortWrite
	}

	return nil
}

// checkPart is a light check of an existing and size of a part, without doing a bitrot operation
// For any unexpected error, return checkPartUnknown (zero)
func (s *xlStorage) checkPart(volumeDir, path, dataDir string, partNum int, expectedSize int64, skipAccessCheck bool) (resp int) {

		DiskID:   *client.diskID.Load(),
		Volume:   volume,
		FilePath: path,
		Buf:      b,
	})
	return toStorageErr(err)
}

// CheckParts - stat all file parts.
func (client *storageRESTClient) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) (*CheckPartsResp, error) {
	var resp *CheckPartsResp

func shufflePartsMetadata(partsMetadata []FileInfo, distribution []int) []FileInfo {
	return shuffleWithDist[FileInfo](partsMetadata, distribution)
}

// shuffleCheckParts - shuffle CheckParts slice depending on the
// erasure distribution.
func shuffleCheckParts(parts []int, distribution []int) []int {
	return shuffleWithDist[int](parts, distribution)
}

		return errors.New("public key authority validation requested but no ca public key specified.")
	}

	cert, ok := clientKey.(*ssh.Certificate)
	if !ok {
		return errSftpPublicKeyWithoutCert
	}

	// ssh.CheckCert called by ssh.Authenticate accepts certificates
	// with empty principles list so we block those in here.
	if len(cert.ValidPrincipals) == 0 {
		return errSftpCertWithoutPrincipals
	}