[dm-devel] Re: [PATCH 23/23] io-controller: debug elevator fair queuing support

[Vivek Goyal]

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 at 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.

Thanks
Vivek