On Tue, Dec 11, 2012 at 09:25:18AM -0500, Vivek Goyal wrote: > In general, do not use blkcg on faster storage. In current form it > is at best suitable for single rotational SATA/SAS disk. I have not > been able to figure out how to provide fairness without group idling.
I think cfq is just the wrong approach for faster non-rotational devices. We should be allocating iops instead of time slices. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/