> On Wed, Nov 29, 2006 at 07:06:09AM +0900, YAMAMOTO Takashi wrote:
> > > >if vnode -> name translation is really necessary, it should be
> > > >implemented in upper layers.  (caller of VOPs, not filesystems.)
> > > 
> > > how? can you please elaborate?
> > 
> > something similar to what linux and dragonflybsd do.
> 
> The latter would mean separating the namespace topology from the vnode
> topology, which should help for the layered filesystem issues.
> 
> Joerg

although very simple things like a nullfs-equivalent might be easier
to implement with it, i don't see how it could help layered filesystems
in general.  can you explain?

YAMAMOTO Takashi