On Wed, 7 Jul 1999, Bill Studenmund wrote:
> The short answer is that nullfs now works.

Thanks!  nullfs works much better now.  I can do all kinds of things in
the front layer without panicing the system, and this is a great
improvement on previous behaviour.  But simultaneous activity in the front
and back layers still results in panics for me.  I have just sent a PR
about it. 

--apb (Alan Barrett)