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Date: Thu, 23 Aug 2007 11:48:25 +0200
From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
To: John Baldwin <jhb@freebsd.org>
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Cc: Alfred Perlstein <alfred@freebsd.org>, freebsd-arch@freebsd.org
Subject: Re: Lockless uidinfo.
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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:
> >=20
> > 	http://people.freebsd.org/~pjd/patches/uidinfo_waitfree.patch
>=20
> That actually adds more overhead than what I suggested above to the case =
where=20
> you are going to free it.  Also, I'm leery of having an object hang aroun=
d=20
> 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.

--=20
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd@FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

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