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List:       linux-kernel
Subject:    Re: [PATCH 23/23] io-controller: debug elevator fair queuing	support
From:       Rik van Riel <riel () redhat ! com>
Date:       2009-08-31 21:12:58
Message-ID: 4A9C3CDA.5010301 () redhat ! com
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Vivek Goyal wrote:
> On Mon, Aug 31, 2009 at 04:57:53PM -0400, Rik van Riel wrote:
>> Vivek Goyal wrote:
>>> o More debugging help to debug elevator fair queuing support. Enabled under
>>>   CONFIG_DEBUG_ELV_FAIR_QUEUING. Currently it prints vdisktime related
>>>   trace messages in blktrace.
>>>
>>> Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
>> Is this meant for merging upstream, or just as a temporary
>> debugging help while this sits in a subsystem tree or -mm?
> 
> I think it would be good if this also is merged upstream. A useful
> debugging help to track fairness and latecy related issues.

Fair enough.  The code is small enough, anyway.

Acked-by: Rik van Riel <riel@redhat.com>

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