• Contact: tech-kern
• Duration estimate: 1 year for port; 3 years for rewrite by one developer

Implement a BSD licensed XFS. A GPL licensed implementation of XFS is available at http://oss.sgi.com/projects/xfs/.

Alternatively, or additionally, it might be worthwhile to do a port of the GPL code and allow it to run as a kernel module.

See also FreeBSD's port.