Vivek Goyal wrote: > Hi All, > > Here is the V9 of the IO controller patches generated on top of 2.6.31-rc7. > > For ease of patching, a consolidated patch is available here. > > http://people.redhat.com/~vgoyal/io-controller/io-scheduler-based-io-controller-v9.patch > > Changes from V8 > =============== > - Implemented bdi like congestion semantics for io group also. Now once an > io group gets congested, we don't clear the congestion flag until number > of requests goes below nr_congestion_off. > > This helps in getting rid of Buffered write performance regression we > were observing with io controller patches. > > Gui, can you please test it and see if this version is better in terms > of your buffered write tests. Ok, will do. -- Regards Gui Jianfeng -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
