Hi!
> > > > 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
> > >
> > >
> > > Easily doable in userspace, why bother with kernel programming
> >
> > Yes and no. A simple mv is better done in userspace, but what I'd
> > _really_ appreciate would be a true kernel salvage (similar to the way
> > NetWare does things). That means marking the file as deleted in the
I have code doing ld_preload tricks to force safe deletion... somewhere.
> Wouldn't such a scheme interfere with the block allocator algorithms,
> and hence increase the risk of fragmentation? Schemes like this realy
> put my hairs on end,
>
> 1) if you don't want to lose your data, make backups;
> 2) if I mean to delete a file, I want it gone proper. Silently keeping
> it about is not unix like;
Well, mc supports undelete on ext2 for a *long* time. And it works
okay...
And yes, doing echo > important_file instead of echo >> important file
is way too easy with unix shells.
Pavel
--
Thanks for all the (sleeping) penguins.
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