I'm not sure if it's that easy, because all the contributors to OpenZFS also need to sign off an a license change, right? That said, they did relicense DTrace

I'm not sure if it's that easy, because all the contributors to OpenZFS also need to sign off an a license change, right? That said, they did relicense DTrace to GPL a few years back. but I don't really know the details on that, or how hard it was, or if that's also possible for OpenZFS.