Re: ext4 features

Pavel Machek
2006-07-07T14:13:45Z

Hi!

> >>Actually, if it were so important it WOULD have been
> >>done. I suspect that the issue is not lack of a good
> >>solution, but lack of a good problem. The behavior you
> >>propose requires a lot of kernel cleverness, including
> >>make the inodes seem to go away, so the count is
> >>"right" for what the user sees.
> >>
> >
> >The real solution for it is snapshots.
>
>
> Peter,
>
> Explain what you are thinking here. What I proposed, I
> have already implemented in NetWare, it's very easy to
> do. Snapshotting is not complex for FS's but does
> require a lot of space for meta-data to manage it. EXT
> is not architecteced for something this complex. A
> simple hidden mv is much easier to do.

Patch would be nice :-).

Hidden mv is indeed simple; reclaiming space on demand may be
trickier.
Pavel
--
Thanks for all the (sleeping) penguins.