On Tue, Nov 15, 2016 at 11:53:39AM -0800, Bart Van Assche wrote: > On 11/14/2016 05:28 PM, Shaohua Li wrote: > > On Mon, Nov 14, 2016 at 05:18:28PM -0800, Bart Van Assche wrote: > > > Unless someone can convince me of the opposite I think that coming up with > > > an algorithm for estimating I/O cost is essential to guarantee I/O > > > fairness > > > without requesting users to perform complicated parameter configurations. > > > > That's what I tried before: > > http://marc.info/?l=linux-kernel&m=145617863208940&w=2 > > That URL refers to v2 of this patch series. Sorry but I have not found the > I/O cost estimation algorithm I was referring to in v2 of this patch series.
It's a v2, but not the v2 of this series. There is no algorithm to estimate I/O cost, that one just uses IOPS or bandwidth to determine I/O cost. Thanks, Shaohua -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
