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.