> > Have you tried Heidemann's student's stacking layers? There is one > > encryption, and one per-file compression with namespace hiding, that > > I think it would be hard pressed to keep up with. But I'll give it > > the benefit of the doubt. 8-). > > Nope. The problem is that while stacking (null, umap, and overlay fs's) > work, we don't have the coherency issues worked out so that upper layers > can cache data. i.e. so that the lower fs knows it has to ask the uper > layers to give pages back. :-) But multiple ls -lR's work fine. :-)
Interesting, have you read the Heidemann paper that outlines a solution that uses a cache manager? You can probably find it somewhere here, http://www.isi.edu/~johnh/SOFTWARE/UCLA_STACKING/ To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message