File System

Implementation of File System at application level

Introduction

Emulation of a simple file system

• Block size: 4KB
• inode size: 256B

Overall of Disk

• S: Super Block
• ibmap: Inode bitmap
• dbmap: Data region bitmap
• iblock: Inodes
• D: Data region

Data structures

block

Inode

Root Directory

Inode freelist

Root Directory freelist

Run

$ fs <input_file>