On Sat, Oct 03 2009, Ingo Molnar wrote: > > * Mike Galbraith <efault@xxxxxx> wrote: > > > unsigned int cfq_desktop; > > + unsigned int cfq_desktop_dispatch; > > > - if (cfq_cfqq_idle_window(cfqq) && cfqd->rq_in_driver[BLK_RW_ASYNC]) > > + if (cfq_cfqq_idle_window(cfqq) && cfqd->rq_in_driver[BLK_RW_ASYNC]) { > > + cfqd->desktop_dispatch_ts = jiffies; > > return 0; > > + } > > btw., i hope all those desktop_ things will be named latency_ pretty > soon as the consensus seems to be - the word 'desktop' feels so wrong in > this context. > > 'desktop' is a form of use of computers and the implication of good > latencies goes far beyond that category of systems. I will rename it, for now it doesn't matter (lets not get bogged down in bike shed colors, please). Oh and Mike, I forgot to mention this in the previous email - no more tunables, please. We'll keep this under a single knob. -- Jens Axboe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel