Wasn't there a Linux file system (possibly a FUSE user-space one) that worked on writable CDs? IIRC it worked by marking the previous copy of the file as erased, and writing a new copy.
On Wed, 2008-01-30 at 23:05 -0500, [EMAIL PROTECTED] wrote: > > PS: I would love to see an immutable filesystem that does not allow > writing to files, it only creates new files and garbage collects files > that have no incoming reference anymore... Just like a garbage > collected heap, and a bit like an OLAP databases (as far as I remember > my DB theory...) Besides the performance bottleneck, does something > like that exists? > > Plan 9's venti is somewhat similar to this. though it's really a > storage backend that you implement a filesystem on top of, and the fs > winds up having a write cache, which is mutable in practice. The > interesting thing is that the block's location is the cryptographic > hash of its contents, which leads to all sorts of neat properties (as > well as requiring immutability). > -- "Isn't it funny how the Global Village includes everybody but the villagers?" (http://wiki.laptop.org/go/OLPC_Publications) _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
