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Date: Fri, 19 Oct 2012 11:14:06 +0200
From: Andre Oppermann <andre@freebsd.org>
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To: John Baldwin <jhb@freebsd.org>
Subject: Re: svn commit: r238907 - projects/calloutng/sys/kern
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Cc: Davide Italiano <davide@freebsd.org>, mlaier@freebsd.org,
 svn-src-projects@freebsd.org, attilio@freebsd.org,
 Konstantin Belousov <kostikbel@gmail.com>, src-committers@freebsd.org,
 Stephan Uphoff <ups@freebsd.org>
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On 17.09.2012 17:13, John Baldwin wrote:
> On Monday, September 17, 2012 3:25:44 am Andre Oppermann wrote:
>> Hello Attilio,
>>
>> could you integrate and test this patch from Isilon as well:
>>
>>     Add INVARIANT and WITNESS support to rm_lock locks and optimize the
>>     synchronization path by replacing a LIST of active readers with a
>>     TAILQ.
>>
>>     Obtained from:	Isilon
>>     Submitted by:	mlaier
>>
>>     http://svn.freebsd.org/changeset/base/234648
>>
>> You're far deeper into locking than I am.
>
> Some of this is already in the tree, and their WITNESS changes don't quite
> work correctly.  I have several fixes (including some of these already) that I
> am just waiting to develop a good test for.  Having an _rm_assert() to pull
> from will be good though.

Any news/progress on this?

-- 
Andre