Lock-free tdb lookups

[tridge at samba.org]

Joe,

 > Whatever happened there?  Was or is tdb performance an issue or
 > was this just considered an experiment?  Just curious.

I can't find any earlier message on this - did I just miss it? I'd
certainly be interested in any workable lock-free tdb proposals. My
recent tdb changes reduced the number of locks needed for some common
operations by quite a lot, but it definately isn't lock free.

Cheers, Tridge