Messages in this thread | | | Date | Mon, 26 Jan 2004 19:42:54 -0600 | From | Andy Isaacson <> | Subject | Re: Encrypted Filesystem |
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On Tue, Jan 27, 2004 at 12:43:21AM +0000, Adam Sampson wrote: > Michael A Halcrow <mahalcro@us.ibm.com> writes: > > - Userland filesystem-based (EncFS+FUSE, CryptoFS+LUFS) > > Going off on a tangent... > > There are all sorts of potentially-interesting things that could be > done if Linux had a userspace filesystem mechanism included in the > standard kernel -- as well as encryption, there's also network > filesystems, various sorts of specialised caching (such as Zero > Install), automounter-like systems, prototyping and so on. > > Is there a technical reason that none of the userspace filesystem > layers have been included in the stock kernel, or is it just that > nobody's submitted any of them for inclusion yet?
There are a lot of subtle and not-so-subtle problems in this space. For example, I really liked the paging example given in section 3.1 of [Mazi2001].
[Mazi2001] "A toolkit for user-level file systems", David Mazieres, Proceedings of the 2001 USENIX Technical Conference available at http://www.fs.net/sfswww/pubs.html
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