crossvm/ext2

ext2

This crate provides utilities to create ext2 file system on memory or a file.

examples/mkfs.rs shows how to use this library. This program is our alternative to mkfs.ext2 that create an ext2 file system on a file and useful for debugging this ext2 itself with existing utilities in e2fsprogs such as fsck and dumpe2fs.

$ cargo run --release --example mkfs -- --path disk.img
Create disk.img
$ dumpe2fs disk.img
dumpe2fs 1.47.0 (5-Feb-2023)
Filesystem volume name:   <none>
Last mounted on:          <not available>
Filesystem UUID:          c6e49d8f-106f-4472-b0e8-6babcc3fa496
Filesystem magic number:  0xEF53
...