SBFS/inode.h at master · scbasma/SBFS · GitHub

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#ifndef _INODE_H
#define _INODE_H
#include <stdint.h>

typedef struct {
	uint32_t i_nmbr;
	uint16_t mode;
	uint16_t user_id;
	uint64_t size;
	uint32_t a_time;
	uint32_t m_time;
	uint32_t c_time;
	uint16_t grp_id;
	uint16_t link_count;
	uint32_t res_blocks_nmbr;
	uint32_t flags;
	uint32_t dt_blocks[15]; //15 blocks, 12 direct, 13th indirect, 14th double indirect, 15th triple indirect
	uint8_t type;
	uint32_t perm;
}sbfs_disk_inode;

struct sbfs_core_inode {
	sbfs_disk_inode d_inode;

	uint8_t status;
	uint32_t i_nmbr;
	uint16_t ref_count;


	struct sbfs_core_inode *next_free;
	struct sbfs_core_inode *prev_free;
	struct sbfs_core_inode *next_hash;
	struct sbfs_core_inode *prev_hash;

};

struct sbfs_core_inode;
typedef struct sbfs_core_inode sbfs_core_inode;

void init_inode(sbfs_disk_inode *inode, char mode, int size, int blk_address);

sbfs_core_inode *iget(uint32_t i_nmbr);

int bmap(sbfs_core_inode *c_inode, off_t offset,uint32_t *file_offset);

void iput(sbfs_core_inode *c_inode);

sbfs_core_inode *ialloc();

sbfs_core_inode *namei(const char *path);

int set_free_inode(int inode_number);

int write_inode(sbfs_core_inode *inode);

#endif