/**
* Calculates the device offset (0-based) for the given cluster and offset within the cluster.
*
* @param cluster
* @param clusterOffset
* @return long
*/
protected long getDevOffset(long cluster, int clusterOffset) {
final FatFileSystem fs = getFatFileSystem();
final long filesOffset = FatUtils.getFilesOffset(fs.getBootSector());
return filesOffset + clusterOffset + ((cluster - FatUtils.FIRST_CLUSTER) * clusterSize);
}
