--- /dev/null
+#ifndef FILESYS_INODE_H
+#define FILESYS_INODE_H
+
+#include "filesys/off_t.h"
+#include "devices/disk.h"
+
+struct bitmap;
+
+void inode_init (void);
+struct inode *inode_create (struct bitmap *, disk_sector_t, off_t);
+struct inode *inode_open (disk_sector_t);
+void inode_close (struct inode *);
+void inode_commit (const struct inode *);
+void inode_remove (struct inode *);
+disk_sector_t inode_byte_to_sector (const struct inode *, off_t);
+off_t inode_length (const struct inode *);
+void inode_print (const struct inode *);
+
+#endif /* filesys/inode.h */