Liangxu Linux

Aug 10, 2020 · Fundamentals

Building a Minimal Linux Filesystem from Scratch: TinyFS Walkthrough

This article walks through the design and implementation of a tiny Linux filesystem called TinyFS, explaining the VFS layers, required POSIX interfaces, data structures, core kernel code, usage steps, current limitations, and a roadmap for extending it with proper superblocks, concurrency, and page‑cache integration.