Re: do we really want to export more pdflush details in sysctls

From: Jens Axboe
Date: Wed May 13 2009 - 09:08:27 EST


On Wed, May 13 2009, Christoph Hellwig wrote:
> Hi all,
>
> commit fafd688e4c0c34da0f3de909881117d374e4c7af titled
> "mm: add /proc controls for pdflush threads" adds two more sysctl
> variables exposing details about pdflush threads. At the same time
> Jens Axboe is working on the per-bdi writeback patchset which will
> hopefull soon get rid of the pdflush threads in their current form.
>
> Is it really a good idea to expose more details now or should we revert
> this patch before 2.6.30 is out?

Pained me as well when updating the patchset. I see little value in
these knobs as it is, I'm imagining that the submitter must have had a
use case where it made some difference?

--
Jens Axboe

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