Hi, On Fri, Jan 18, 2013 at 05:12:23PM +0800, hzguanqiang wrote: > Hi, Hu Tao > > I noticed that in your patch about blkiotune.device_weight, You set the device blkio weight value between 100 and 1000. > But from the kernel document, I see that the blkio weight can be set from 10 to 1000. Why do you limit the weight minimum to 100 rather than 10 ? The original weight range is 100-1000, but lowered to 10 by kernel commit df457f845e5449be2e7d96668791f789b3770ac7.