Ext2fs is a read-only implementation (for now) of the ext2 (second extended) file system, for inferno, written in limbo. It exports the files in the file system using the styx protocol.
Journaling and most other extensions are not (yet) supported.
9p 9p2000 ext2 filesystem filesystems inferno limbo styx
These details are provided for information only. No information here is legal advice and should not be used as such.