} else {
            final byte[] fnBytes = this.fileName.getBytes(StandardCharsets.UTF_16LE);
            SMBUtil.writeInt2(dstIndex - getHeaderStart(), dst, fnOffsetOffset);
            SMBUtil.writeInt2(fnBytes.length, dst, fnLengthOffset);
            System.arraycopy(fnBytes, 0, dst, dstIndex, fnBytes.length);
            dstIndex += fnBytes.length;
        }
        return dstIndex - start;
    }