Re: partially encrypted filesystem

From: Erez Zadok
Date: Thu Dec 04 2003 - 14:44:10 EST

In message <3FCF7AD5.4050501@xxxxxxxxxxxxxxxxxxx>, Phillip Lougher writes:
> J?örn Engel wrote:
> >
> > So - as sick as it sounds - jffs2 may actually be the fs of choice
> > when doing encryption, even though working on a hard drive and not
> > flash. Cool. :)
> >
> Considering that Jffs2 is the only writeable compressed filesystem, yes.

Part of our stackable f/s project (FiST) includes a Gzipfs stackable
compression f/s. There was a paper on it in Usenix 2001 and there's code in
the latest fistgen package. See

Performance of Gzipfs is another matter, esp. for writes in the middle of
files. :-)

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