Storage & I/O

The path data takes from an application's read or write down to a physical device — and the layers that make it general and fast.

• VFS (vfs/) — the abstraction that lets one API drive every filesystem
• Filesystems (filesystems/) — how on-disk formats and the page cache turn bytes into files
• Block Layer (block/) — the path from a filesystem request to a physical device
• I/O Patterns (io/) — buffered vs. direct, sync vs. async, and the tradeoffs between them
• io_uring (io-uring/) — the ring-based interface for high-performance asynchronous I/O