tmpPart := fmt.Sprintf("%sx%d", mustGetUUID(), time.Now().UnixNano())
	tmpPartPath := pathJoin(tmpPart, partSuffix)

	// Delete the temporary object part. If PutObjectPart succeeds there would be nothing to delete.
	defer func() {
		if countOnlineDisks(onlineDisks) != len(onlineDisks) {
			er.deleteAll(context.Background(), minioMetaTmpBucket, tmpPart)
		}
	}()

	}

	kind, encrypted := crypto.IsEncrypted(userDefined)
	actualSize := data.ActualSize()
	if actualSize < 0 {
		compressed := fi.IsCompressed()
		switch {
		case compressed:
			// ... nothing changes for compressed stream.
			// if actualSize is -1 we have no known way to
			// determine what is the actualSize.
		case encrypted:
			decSize, err := sio.DecryptedSize(uint64(n))
			if err == nil {