* https://en.wikipedia.org/wiki/OneFS_distributed_file_system
You can search for "Sponsored by:" in commits for who did work:
$ git log | grep -i '@dell.com' | wc -l
86A better search may be 'Sponsored by:.*[Dell|EMC|Isilon]' or some such.
Some Dell folks may be committers and be pushing things with their @freebsd.org address.
"FreeBSD’s BSD license offers customization flexibility without the obligation to disclose proprietary enhancements."
But I suppose maybe some of their less sensitive changes, if upstreamed, relieves them of having to own them.
General best practice is to (a) upstream as much as you can, and (b) keep as close to -HEAD (the development branch) as possible. Some discussion on this at the Vendor Conference from a few months ago:
* https://freebsdfoundation.org/news-and-events/event-calendar...
* https://www.youtube.com/playlist?list=PLugwS7L7NMXzSalaF4l_7...
Basically: if it's not part of your secret sauce, upstream it.
"Why we run FreeBSD CURRENT at Netflix": https://www.youtube.com/watch?v=q4TZxj-Dq7s