dvfs: add virtual temperature control

[firefly-linux-kernel-4.4.55.git] / block / cfq-iosched.c

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index d5bbdcfd0dab5f56fa76f9ca08dc979fe16d1a35..c410752c5c654592761248bc193d49fb38efda45 100644 (file)
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1803,7 +1803,7 @@ static u64 cfqg_prfill_avg_queue_size(struct seq_file *sf,
 
        if (samples) {
                v = blkg_stat_read(&cfqg->stats.avg_queue_size_sum);
-               do_div(v, samples);
+               v = div64_u64(v, samples);
        }
        __blkg_prfill_u64(sf, pd, v);
        return 0;