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>