* Copyright 2012, Jérôme Duval, korli@users.berlios.de.
* Copyright 2003 Tyler Dauwalder, tyler@dauwalder.net
* This file may be used under the terms of the MIT License.
*/
#ifndef _UDF_METADATA_PARTITION_H
#define _UDF_METADATA_PARTITION_H
*/
#include <util/kernel_cpp.h>
#include "UdfDebug.h"
#include "Volume.h"
Metadata partitions allow for clustering of metadata (ICBs, directory
contents, etc.) and also provide the option of metadata duplication.
See also UDF-2.50 2.2.10, UDF-2.50 2.2.13
*/
class MetadataPartition : public Partition {
public:
MetadataPartition(Volume *volume, uint16 partition, Partition &parentPartition,
uint32 metadataFileLocation, uint32 metadataMirrorFileLocation,
uint32 metadataBitmapFileLocation, uint32 allocationUnitSize,
uint16 alignmentUnitSize, bool metadataIsDuplicated);
virtual ~MetadataPartition();
virtual status_t MapBlock(uint32 logicalBlock, off_t &physicalBlock);
status_t InitCheck();
uint32 AllocationUnitSize() const { return fAllocationUnitSize; }
uint16 AlignmentUnitSize() const { return fAlignmentUnitSize; }
uint32 MetadataIsDuplicated() const { return fMetadataIsDuplicated; }
private:
uint16 fPartition;
Partition &fParentPartition;
uint32 fAllocationUnitSize;
uint16 fAlignmentUnitSize;
bool fMetadataIsDuplicated;
status_t fInitStatus;
Icb *fMetadataIcb;
Icb *fMetadataMirrorIcb;
};
#endif
