Messages in this thread | | | Date | Tue, 15 Nov 2016 13:31:10 -0800 | From | Shaohua Li <> | Subject | Re: [PATCH V4 00/15] blk-throttle: add .high limit |
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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
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