Hi

Pierre Etchemaite wrote:

> Le 18-Oct-2001, Greg Ward �crivait :
> >> just performance wise i think an unlink to a new
> >> directory everytime a file is deleted will slow the fs down
> >
> > I would have thought intra-filesystem moves were pretty fast, but again
> > I know nothing about FS internals.
>
> Yes, moving files to a "trashbin folder" should be very fast (even
> faster than a real unlink ?), and even if you pay the price of the
> real unlink later (when flushing the trashbin folder), it should be
> ok for "desktop usage"... reiserfs is really fast at unlinking files ;)
>
> The only problem I can see, performance-wise, is that fragmentation
> should increase a bit faster, because "virtually free" space (free
> space + files in trashbin) is not coalesced like "really free" space
> is; Just like when a filesystem is almost full, it makes the
> allocator's job harder...
>
> Time for some fragmentation benchmark ?

Constantin is doing great job here.

http://www.informatik.uni-frankfurt.de/~loizides/reiserfs/

Thanks,
vs


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