On Tue, Oct 05, 2004 at 09:06:44PM -0400, Sean Davis wrote:
> I don't know about undo/redo, but NetBSD would already have a journaling
> filesystem, if wasabisystems decided not to keep sitting on it for
> profit.[*]

In danger of wading out of my depth here (as usual :), but McKusick mentions 
some modifications to FFS (in one of his papers) that would give it logging 
capability. Does anyone know if these are available under the BSD license?