priv_ext2.h

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#ifndef _PRIV_EXT2_H_
#define _PRIV_EXT2_H_

#include "types.h"
#include "ext2_structs.h"
#include "ext2.h"

#define POOL_SIZE MB(2)

uint32_t *i1_cache, *i2_1_cache, *i2_2_cache;
uint32_t i1_prev_index, i2_1_prev_index, i2_2_prev_index;

uint8_t*
_EXT2_ReadAddr(FileDescriptor *desc,
               uint64_t addr,
               uint32_t len);

uint32_t
_EXT2_WriteAddr(FileDescriptor *desc,
                uint64_t addr,
                uint32_t len,
                uint16_t *src);

EXT2_BlockGroupDescriptor*
_EXT2_GetBlockGroup(FileDescriptor *desc,
                    uint32_t block_index);

EXT2_Inode*
_EXT2_GetInode(FileDescriptor *desc,
               uint32_t inode_i);

uint32_t
_EXT2_ReadBlockData(FileDescriptor *desc,
                    uint32_t block_index,
                    uint32_t offset,
                    uint8_t *dest,
                    size_t size);

uint8_t*
_EXT2_GetBlockFromInode(FileDescriptor *desc,
                        EXT2_Inode *inode,
                        uint32_t index,
                        bool del);

uint8_t
_EXT2_GetFileInfo(FileDescriptor *desc,
                  const char *filename,
                  bool *is_dir,
                  uint32_t *inode_num);

#endif