Re: ext4 features

Frank van Maarseveen
2006-07-04T22:35:44Z

On Mon, Jul 03, 2006 at 03:46:55PM -0600, Jeff V. Merkey wrote:
[...]
> Add a salvagable file system to ext4, i.e. when a file is deleted, you
> just rename it and move it to a directory called DELETED.SAV and recycle
> the files as people allocate new ones. Easy to do (internal "mv" of
> file to another directory) and modification of the allocation bitmaps.
> Very simple and will pay off big. If you need help designing it, just
> ask me.

Do you have any idea how to undo the effect of rm -rf /bigtree at
the FS level?

I think such an "undelete" feature should be implemented in userspace.
A filesystem which can travel back in time could be useful however.

--
Frank