fs.h

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// File: include/fs.h
 
#ifndef SFUSE_FS_H
#define SFUSE_FS_H
 
#include "super.h"
#include <fuse3/fuse.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
 
/* 전역 선언 */
struct sfuse_bitmaps;
struct sfuse_inode_block;
 
extern bool g_force_format;

struct sfuse_fs {
  int backing_fd;                        
  struct sfuse_superblock sb;            
  struct sfuse_bitmaps *bmaps;           
  struct sfuse_inode_block *inode_table; 
};

struct sfuse_fs *fs_initialize(const char *path, int *error_out);

void fs_teardown(struct sfuse_fs *fs);

int fs_resolve_path(struct sfuse_fs *fs, const char *path, uint32_t *out_ino);
 
/* 고수준 FUSE 연동 함수 선언 */

int fs_getattr(struct sfuse_fs *fs, const char *path, struct stat *stbuf);

int fs_access(struct sfuse_fs *fs, const char *path, int mask);

int fs_readdir(struct sfuse_fs *fs, const char *path, void *buf,
               fuse_fill_dir_t filler, off_t offset);

int fs_open(struct sfuse_fs *fs, const char *path, struct fuse_file_info *fi);

int fs_read(struct sfuse_fs *fs, const char *path, char *buf, size_t size,
            off_t offset);

int fs_write(struct sfuse_fs *fs, const char *path, const char *buf,
             size_t size, off_t offset);

int fs_create(struct sfuse_fs *fs, const char *path, mode_t mode,
              struct fuse_file_info *fi);

int fs_mkdir(struct sfuse_fs *fs, const char *path, mode_t mode);

int fs_unlink(struct sfuse_fs *fs, const char *path);

int fs_rmdir(struct sfuse_fs *fs, const char *path);

int fs_rename(struct sfuse_fs *fs, const char *from, const char *to);

int fs_truncate(struct sfuse_fs *fs, const char *path, off_t size);

int fs_utimens(struct sfuse_fs *fs, const char *path,
               const struct timespec tv[2]);

int fs_flush(struct sfuse_fs *fs, const char *path, struct fuse_file_info *fi);

int fs_fsync(struct sfuse_fs *fs, const char *path, int datasync,
             struct fuse_file_info *fi);

struct fuse_operations *sfuse_get_operations(void);
 
#endif /* SFUSE_FS_H */