OpenBSD will certainly not use a journal, because it's not secure. But NetBSD has got a journaling filesystem of its own, a real one.
http://www.feyrer.de/NetBSD/bx/blosx...0302_1316.html
>When will change the license file system ZFS (on Gpl) is a concrete hope to be adopted as default by all systems Bsd?
Maybe Sun will migrate to the GPL, but then it would be even harder for the BSD.