35 lines
668 B
C++
35 lines
668 B
C++
// Ext2BlockCache.h
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// Author: Josh Holtrop
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// Date: 12/29/05
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// Modified: 12/29/05
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#ifndef __HOS_EXT2BLOCKCACHE_H__
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#define __HOS_EXT2BLOCKCACHE_H__ __HOS_EXT2BLOCKCACHE_H__
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#include "fs/vfs.h"
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#include "ext2.h"
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class Ext2BlockCache
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{
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protected:
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Ext2fs *myFS;
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u32_t myInum;
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ext2_inode_t myInode;
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u32_t myBlockSize;
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u8_t *myCache[3];
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u8_t myCacheAddress[3];
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u8_t myCacheDirty[3];
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u32_t myInodeDirty;
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void setCache(u32_t level, u32_t fsblock);
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u32_t getFSBlock(u32_t block, int create);
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public:
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Ext2BlockCache(Ext2fs *fs, u32_t inum);
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~Ext2BlockCache();
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int readBlock(u32_t blockNum, void *buf);
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int writeBlock(u32_t blockNum, void *buf);
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};
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#endif
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