Messages in this thread | | | From | Con Kolivas <> | Subject | Re: [patch] cfq: ioprio inherit rt class | Date | Sat, 27 May 2006 12:08:32 +1000 |
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On Saturday 27 May 2006 11:50, Con Kolivas wrote: > Jens, ml > > I was wondering if cfq io priorities should be explicitly set to the > realtime class when no io priority is specified from realtime tasks as in > the following patch? (rt_task() will need to be modified to suit the PI > changes in -mm) > > --- > Set cfq io priority class to realtime and scale the priority according to > the rt priority when no io priority is explicitly set in realtime tasks.
sorry, rather than this: > + return (task->rt_priority * IOPRIO_BE_NR / MAX_RT_PRIO);
it should be: return ((MAX_RT_PRIO - task->rt_priority) * IOPRIO_BE_NR / MAX_RT_PRIO);
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