Lockless uidinfo.

[Pawel Jakub Dawidek]

On Wed, Aug 22, 2007 at 10:16:33AM -0400, John Baldwin wrote:
> On Wednesday 22 August 2007 02:35:52 am Pawel Jakub Dawidek wrote:
> > I updated the patch at:
> > 
> > 	http://people.freebsd.org/~pjd/patches/uidinfo_waitfree.patch
> 
> That actually adds more overhead than what I suggested above to the case where 
> you are going to free it.  Also, I'm leery of having an object hang around 
> with a zero ref count while it is in the table with the lock not held.

I just felt it's easier to understand when we don't bypass the refcount
KPI, but I'm fine with your method.

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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