1 //---------------------------------------------------------------------- 2 // This software is part of the OpenBeOS distribution and is covered 3 // by the OpenBeOS license. 4 // 5 // Copyright (c) 2003 Tyler Dauwalder, tyler@dauwalder.net 6 //--------------------------------------------------------------------- 7 #ifndef _UDF_METADATA_PARTITION_H 8 #define _UDF_METADATA_PARTITION_H 9 10 /*! \file MetadataPartition.h 11 */ 12 13 #include <util/kernel_cpp.h> 14 15 #include "Partition.h" 16 #include "UdfDebug.h" 17 18 /*! \brief Type 2 metadata partition 19 20 Metadata partitions allow for clustering of metadata (ICBs, directory 21 contents, etc.) and also provide the option of metadata duplication. 22 23 See also UDF-2.50 2.2.10, UDF-2.50 2.2.13 24 */ 25 class MetadataPartition : public Partition { 26 public: 27 MetadataPartition(Partition &parentPartition, uint32 metadataFileLocation, 28 uint32 metadataMirrorFileLocation, uint32 metadataBitmapFileLocation, 29 uint32 allocationUnitSize, uint16 alignmentUnitSize, 30 bool metadataIsDuplicated); 31 virtual ~MetadataPartition(); 32 virtual status_t MapBlock(uint32 logicalBlock, off_t &physicalBlock); 33 34 status_t InitCheck(); 35 36 uint32 AllocationUnitSize() const { return fAllocationUnitSize; } 37 uint16 AlignmentUnitSize() const { return fAlignmentUnitSize; } 38 uint32 MetadataIsDuplicated() const { return fMetadataIsDuplicated; } 39 private: 40 Partition &fParentPartition; 41 uint32 fAllocationUnitSize; 42 uint16 fAlignmentUnitSize; 43 bool fMetadataIsDuplicated; 44 status_t fInitStatus; 45 }; 46 47 #endif // _UDF_METADATA_PARTITION_H 48