Re: [PATCH V3 00/11] block-throttle: add .high limit
From: Mark Brown
Date: Thu Oct 06 2016 - 15:45:38 EST
On Thu, Oct 06, 2016 at 01:49:43PM -0400, Vivek Goyal wrote:
> Paolo, CFQ is legacy now and if we can come up with a proportional
> IO mechanism which works reasonably well with fast devices using
> blk-mq interfaces, that will be much more interesting.
CFQ is not legacy yet. Until we've got scheduling in blk-mq and
converted all the existing users over to blk-mq it's still going
to be something that affects real, production systems that don't
have any other meaningful option.
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