46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
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#pragma once
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#include "StorageManager.h"
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#include "types.h"
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#include "minix_fs_consts.h"
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class MinixFSSuperblock;
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class MinixStorageManager : public StorageManager
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{
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public:
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/**
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* constructor
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* @param bm_buffer the buffer with the inode and zone bitmaps from disc
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* @param num_inode_bm_blocks the number of blocks used for the inode bitmap
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* @param num_zone_bm_blocks the number of blocks used for the zone bitmap
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* @param num_inodes the max number of inodes
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* @param num_zones the max number of zones
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*/
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MinixStorageManager(char *bm_buffer, uint16 num_inode_bm_blocks, uint16 num_zone_bm_blocks, uint16 num_inodes,
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uint16 num_zones);
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virtual ~MinixStorageManager();
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virtual size_t allocZone();
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virtual size_t allocInode();
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virtual void freeZone(size_t index);
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virtual void freeInode(size_t index);
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virtual bool isInodeSet(size_t index);
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virtual uint32 getNumUsedInodes();
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void flush(MinixFSSuperblock *superblock);
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void printBitmap();
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private:
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size_t curr_zone_pos_;
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size_t curr_inode_pos_;
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uint32 num_inode_bm_blocks_;
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uint32 num_zone_bm_blocks_;
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};
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