cfq-iosched: Charge at least 1 jiffie instead of 1 ns

[cascardo/linux.git] / block / cfq-iosched.c

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 2d03004..892afd6 100644 (file)
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1463,7 +1463,8 @@ static inline u64 cfq_cfqq_slice_usage(struct cfq_queue *cfqq,
                 * a single request on seeky media and cause lots of seek time
                 * and group will never know it.
                 */
-               slice_used = max_t(u64, (now - cfqq->dispatch_start), 1);
+               slice_used = max_t(u64, (now - cfqq->dispatch_start),
+                                       jiffies_to_nsecs(1));
        } else {
                slice_used = now - cfqq->slice_start;
                if (slice_used > cfqq->allocated_slice) {