Re: ext4 features

[Pavel Machek]

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.
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