xref: /aosp_15_r20/external/crosvm/ext2/README.md (revision bb4ee6a4ae7042d18b07a98463b9c8b875e44b39)
1# ext2
2
3This crate provides utilities to create ext2 file system on memory or a file.
4
5`examples/mkfs.rs` shows how to use this library. This program is our alternative to `mkfs.ext2`
6that create an ext2 file system on a file and useful for debugging this ext2 itself with existing
7utilities in `e2fsprogs` such as `fsck` and `dumpe2fs`.
8
9```console
10$ cargo run --release --example mkfs -- --path disk.img
11Create disk.img
12$ dumpe2fs disk.img
13dumpe2fs 1.47.0 (5-Feb-2023)
14Filesystem volume name:   <none>
15Last mounted on:          <not available>
16Filesystem UUID:          c6e49d8f-106f-4472-b0e8-6babcc3fa496
17Filesystem magic number:  0xEF53
18...
19```
20