[PATCH 08/15] cfq-iosched: Make cfq_scale_slice() usable for both queues and groups

[Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

Make cfq_scale_slice() usable both for queues and groups by taking in
weight as a parameter.

Signed-off-by: Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
---
 block/cfq-iosched.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 7a65e12..a929e2d 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -856,12 +856,12 @@ cfq_prio_to_slice(struct cfq_data *cfqd, struct cfq_queue *cfqq)
 	return cfq_prio_slice(cfqd, cfq_cfqq_sync(cfqq), cfqq->ioprio);
 }
 
-static inline u64 cfq_scale_slice(unsigned long delta, struct cfq_group *cfqg)
+static inline u64 cfq_scale_slice(unsigned long delta, unsigned int weight)
 {
 	u64 d = delta << CFQ_SERVICE_SHIFT;
 
 	d = d * CFQ_WEIGHT_DEFAULT;
-	do_div(d, cfqg->weight);
+	do_div(d, weight);
 	return d;
 }
 
@@ -1302,7 +1302,7 @@ static void cfq_group_served(struct cfq_data *cfqd, struct cfq_group *cfqg,
 
 	/* Can't update vdisktime while group is on service tree */
 	cfq_group_st_del(st, cfqg);
-	cfqg->vdisktime += cfq_scale_slice(charge, cfqg);
+	cfqg->vdisktime += cfq_scale_slice(charge, cfqg->weight);
 	/* If a new weight was requested, update now, off tree */
 	cfq_group_st_add(st, cfqg);
 
-- 
1.7.7.6