Writing A Disk-Based File-System For The Linux Kernel V2.4 -
A Loop With 8 Iterations

Table of contents

• Why Yet Another File-System
• General Parts Of A Disk-Based File-System's code
• Copy copy, luki luki...
• The Disk-Layout Of STAMFS
  • The Inode Index
  • The Disk-Layout Of A STAMFS Inode
  • The Free Blocks List
  • The Directory Index
• Writing STAMFS - A Loop With 8 Iterations
  • Registering A New File-System
  • Making It Mount-able
    • Loading An Inode From Disk
    • And "Cleanly" Un-mount-able
    • "Cleanly" Release Inodes
  • The Lookup Operation
    • Reading The Contents Of A Directory
  • Support Directory Creation
    • Creating A New Inode
    • Important - Writing The Super-Block
  • Support Directory Deletion
    • Support Directory Deletion - The Unlink Operation
  • Making Changes Persistent
    • Writing Inodes Back To Disk
    • Deleting Inodes From Disk
    • Truncating An Inode's Data Blocks
  • Creating Normal Files
    • The create Inode Operation
    • The unlink Inode Operation
  • Supporting Files With Data
    • Truncating Pages In The Page Cache
    • Syncing Files
• Implementing A Disk-Based File-System - Summary
  • Anyone Wants Some Homework?
• References

Originally written by guy keren