Re: [rfc] Near-constant time directory index for Ext2

[Alan Cox]

> probably a bad idea to use it, because in theory at least the VFS layer
> might decide to switch the hash function around. I'm more interested in
> hearing whether it's a good hash, and maybe we could improve the VFS hash
> enough that there's no reason to use anything else..

Reiserfs seems to have done a lot of work on this and be using tea, which is
also nice as tea is non trivial to abuse as a user to create pessimal file
searches intentionally