testfs/super.h at master · pgoodman/testfs · GitHub

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#ifndef _SUPER_H
#define _SUPER_H

#include <stdio.h>
#include "tx.h"

struct hlist_head;

struct dsuper_block {
        int inode_freemap_start;
        int block_freemap_start;
        int csum_table_start;
        int inode_blocks_start;
        int data_blocks_start;
        int modification_time;
};

struct super_block {
        struct dsuper_block sb;
        int dev_fd;
        struct bitmap *inode_freemap;
        struct bitmap *block_freemap;
        tx_type tx_in_progress;

        // TODO: add your code here
        int *csum_table;
        struct hlist_head *inode_hash_table;
};

struct super_block *testfs_make_super_block(char *file);
void testfs_make_inode_freemap(struct super_block *sb);
void testfs_make_block_freemap(struct super_block *sb);
void testfs_make_csum_table(struct super_block *sb);
void testfs_make_inode_blocks(struct super_block *sb);

int testfs_init_super_block(const char *file, int corrupt,
    struct super_block **sbp);
void testfs_write_super_block(struct super_block *sb);
void testfs_close_super_block(struct super_block *sb);

int testfs_get_inode_freemap(struct super_block *sb);
void testfs_put_inode_freemap(struct super_block *sb, int inode_nr);

int testfs_alloc_block(struct super_block *sb, char *block);
int testfs_free_block(struct super_block *sb, int block_nr);

#endif /* _SUPER_H */