ttime_mean 5199 block/bfq-iosched.c ttime->ttime_mean = div64_ul(ttime->ttime_total + 128, ttime_mean 5242 block/bfq-iosched.c bfqq->ttime.ttime_mean > bfqd->bfq_slice_idle)) ttime_mean 214 block/bfq-iosched.h u64 ttime_mean;