*`rcore-fs`: Interfaces and utilities that can be used in an OS.
* Virtual File System: `FileSystem`, `INode`
* Device and cache layer: `BlockDevice`, `CachedDevice`(TODO)
* Unit tests for VFS
Specific file systems:
*`rcore-fs-sfs`: Simple File System from [uCore OS](https://github.com/chyyuu/ucore_os_lab)
*`rcore-fs-sefs`: Simple Encrypt File System
*`rcore-fs-fat32`: (TODO) FAT32
*`rcore-fs-ramfs`: (TODO) RAM based FS.
*`rcore-fs-devfs`: (TODO) Device driver as files
Utilities:
*`rcore-fs-fuse`: FUSE wrapper for VFS. Mount any FS to your Linux / macOS.
*`rcore-fs-ucore`: uCore VFS wrapper for Rust VFS. Use any FS in the origin uCore. See [uCore with Rust SFS](https://github.com/wangrunji0408/ucore_os_lab/tree/rust-fs/labcodes_answer/lab8_result) for example.