>>>Will there be an NFS implementation?

>>Too bad--being able to do a read-only NFS mount of a source tree and then
>>apply a magnetic layer would be very nice.

>You can already do that, if the upper layer is in one of the UFS file
>systems.

Oh, so you can't overlay an NFS layer onto a UFS one.
But you can overlay a UFS one over an NFS one.