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



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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