Filesystems General

• Partition a disk (Eg: /dev/sda into /dev/sda1, /dev/sda2 ...)
• Create FS on a partition
• Mount and unmount a filesystem

Ext4!

• Ext4 Wiki
• Ext4 Disk Layout
• Example of what happens when a write request is made in ext4

Good Reads (mostly from stackOverflow family)

• Journal FS vs CoW FS
• Creating filesystem on a partition vs creating filsystem on a disk

Filesystem's Code Walkthrough (linux/v5.5.10)

• VFS and ext4