Messages in this thread | | | Date | Fri, 20 Apr 2012 14:33:01 -0700 | From | Tejun Heo <> | Subject | Re: [RFC] writeback and cgroup |
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On Fri, Apr 20, 2012 at 03:29:30PM -0400, Vivek Goyal wrote: > I am personally is not too excited about the case of putting async IO > in separate groups due to the reason that async IO of one group will > start impacting latencies of sync IO of another group and in practice > it might not be desirable. But there are others who have use cases for > separate async IO queue. So as long as switch is there to change the > behavior, I am not too worried.
Why not just fix cfq so that it prefers groups w/ sync IOs?
-- tejun
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