Re: Congratulations! we have got hash function screwed up

[David Masover <ninja@slaphack.com>]

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Hans Reiser wrote:
| Grzegorz Jaśkiewicz wrote:
|
|> On Thu, 30 Dec 2004 08:40:51 -0800, Hans Reiser <reiser@namesys.com>
|> wrote:
|>
|>
|>> Fixing hash collisions in V3 to do them the way V4 does them would
|>> create more bugs and user disruption than the current bug we have all
|>> lived with for 5 years until now.  If someone thinks it is a small
|>> change to fix it, send me a patch.  Better by far to fix bugs in V4,
|>> which is pretty stable these days.
|>>
|>
|>
|> As I understeand, tea hash is based on tea (tiny encryption aglo),
|> which was the cause of xbox-linux sucess, and few others.
|> Pleas consider updating it to use xxtea algo. I know, it won't be
|> backward compatbile, but well.
|> Where is about all the others, I don't use them, and for me tea is the
|> only resonable hash to use on systems where I have very much great
|> number of files per directory (to name it, Maildirs).
|> Never had such problem myself, every hash function has a weaknes.
|> Nothing new. But providing another, much stronger hash, or correct tea
|> hash to use xxtea, would be something good indeed.
|>
|>
|>
| Edward, please look into whether we should use xxtea in Reiser4, and
| make a recommendation to me.  We aren't changing V3, it is stable and I
| want to leave it that way.

You don't change, it gets forked.  You have a strange definition of
"stable".
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