Re: [PATCH V8 00/14] mmc: Add Command Queue support

[Christoph Hellwig]

On Wed, Sep 13, 2017 at 02:40:00PM +0300, Adrian Hunter wrote:
> Non-CQE blk-mq showed a 3% decrease in sequential read performance.  This
> seemed to be coming from the inferior latency of running work items compared
> with a dedicated thread.  Hacking blk-mq workqueue to be unbound reduced the
> performance degradation from 3% to 1%.

Can you start a discussion on just this on the linux-block lists?