Re: [PATCH 2/2] 2.6.19-rc1-mm1 pktcdvd: bio write congestion

[Jens Axboe]

On Sat, Oct 14 2006, Peter Osterlund wrote:
> "Thomas Maier" <balagi@xxxxxxxxxxx> writes:
> 
> > Hello,
> > 
> > this adds a bio write queue congestion control
> > to the pktcdvd driver with fixed on/off marks.
> > It prevents that the driver consumes a unlimited
> > amount of write requests.
> 
> Thanks, this looks good in principle, but I think it can be
> implemented in a simpler way.
> 
> Jens, can I please ask your opinion. Would it make sense to export the
> clear_queue_congested() and set_queue_congested() functions in
> ll_rw_blk.c so that the pktcdvd driver can use them? Something like
> this patch from a few years ago:
> 
>         http://marc.theaimsgroup.com/?l=linux-kernel&m=109378210610508&w=2

It definitely would. Did you test, and did it work well for you? I think
it's the right approach.

-- 
Jens Axboe

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