Re: [PATCH] io-controller: implement per group request allocationlimitation

From: Gui Jianfeng
Date: Tue Aug 04 2009 - 02:42:52 EST




Munehiro Ikeda wrote:
> Gui Jianfeng wrote, on 07/09/2009 09:56 PM:
>> Hi Vivek,
>>
>> This patch exports a cgroup based per group request limits interface.
>> and removes the global one. Now we can use this interface to perform
>> different request allocation limitation for different groups.
>>
>> Signed-off-by: Gui Jianfeng<guijianfeng@xxxxxxxxxxxxxx>
>> ---
> (snip)
>
> Hi Jianfeng,
>
> If this helps.
>
> If calling elv_io_group_congestion_threshold() before
> setting iog->iocg_id, iocg->nr_group_requests cannot be
> referred. As a result of it, iog->nr_congestion_on is
> always misculculated as 0.
> This patch moves the calling of
> elv_io_group_congestion_threshold() after setting
> iog->iocg_id.
>
> Signed-off-by: Munehiro "Muuhh" Ikeda <m-ikeda@xxxxxxxxxxxxx>

That's true, thanks.

--
Regards
Gui Jianfeng

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