Re: nested file system types

[Alan Barrett <apb%cequrux.com@localhost>]

On Fri, 13 Mar 2009, Steven M. Bellovin wrote:
> As I mentioned the other day, I'm working on mount_vnd(8).  It's pretty
> straight-forward; the catch is that I need to be able to specify the
> file system type that's layered on top of vnd.  That in turn raises the
> question of whether two levels is enough -- it's not; ffs on cgd on vnd
> is a perfectly legal (and very useful) construct.

I think that supporting one level would be sufficiently useful to be
worthwhile: anything on vnd, using the entire vnd device (not just a
sub-partition), and with the vnd compressed or not.

--apb (Alan Barrett)