linux-kernel - Re: [PATCHSET sched/core] sched: prepare for cmwq

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Message-ID: <20100523091306.GE25524@elte.hu>
Date:	Sun, 23 May 2010 11:13:06 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Tejun Heo <tj@...nel.org>
Cc:	peterz@...radead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHSET sched/core] sched: prepare for cmwq


* Tejun Heo <tj@...nel.org> wrote:

> Hello, Ingo.
> 
> On 05/23/2010 11:05 AM, Ingo Molnar wrote:
> > IIRC these changes are for some sort of speedup for btrfs, 
> > right?
> 
> Eh.... What are you talking about?  These are for cmwq.  
> The "must unify scheduler notification hooks", "nah, if 
> always enabled, go with hard coded hooks" stuff.

... which is then used for the concurrency-managed 
workqueue feature, which is then used for a BTRFS speedup, 
right?

( If that's not the plan then color me confused :)

Thanks,

	Ingo
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