[Devel] Re: [PATCH 03/23] io-controller: Common flat fair queuing code in elevaotor layer

[Rik van Riel]

Vivek Goyal wrote:
> This is common fair queuing code in elevator layer. This is controlled by
> config option CONFIG_ELV_FAIR_QUEUING. This patch initially only introduces
> flat fair queuing support where there is only one group, "root group" and all
> the tasks belong to root group.
> 
> This elevator layer changes are backward compatible. That means any ioscheduler
> using old interfaces will continue to work.
> 
> This is essentially a lot of CFQ logic moved into common layer so that other
> IO schedulers can make use of that in hierarhical scheduling setup.
> 
> Signed-off-by: Nauman Rafique <nauman at google.com>
> Signed-off-by: Fabio Checconi <fabio at gandalf.sssup.it>
> Signed-off-by: Paolo Valente <paolo.valente at unimore.it>
> Signed-off-by: Aristeu Rozanski <aris at redhat.com>
> Signed-off-by: Gui Jianfeng <guijianfeng at cn.fujitsu.com>
> Signed-off-by: Vivek Goyal <vgoyal at redhat.com>

Acked-by: Rik van Riel <riel at redhat.com>

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