#include <stdbool.h>
#include "filesys/off_t.h"
-/* Disk used for filesystem. */
-extern struct disk *filesys_disk;
+/* Sectors of system file inodes. */
+#define FREE_MAP_SECTOR 0 /* Free map file inode sector. */
+#define ROOT_DIR_SECTOR 1 /* Root directory file inode sector. */
-/* The free map file, opened by filesys_init() and never
- closed. */
-extern struct file *free_map_file;
+/* Disk used for file system. */
+extern struct disk *filesys_disk;
void filesys_init (bool format);
void filesys_done (void);
bool filesys_create (const char *name, off_t initial_size);
struct file *filesys_open (const char *name);
bool filesys_remove (const char *name);
-bool filesys_list (void);
-
-void filesys_self_test (void);
#endif /* filesys/filesys.h */