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SubjectRe: [RFC] blk-mq: clean up the hctx restart
Date
On Fri, 2018-08-03 at 01:17 +0800, Ming Lei wrote:
> Not mentioning big CPU utilization is consumed unnecessarily for iterating
> over all queues even though there is only one active queue, is this fair from
> system view?

I hope that someone will come up some day with a better solution than the
list_for_each_entry_rcu_rr() loop. But as long as such a solution has not yet
been found that loop should stay in order to preserve fair handling of large
numbers of LUNs.

Bart.

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