Commit 689665af authored by Tejun Heo's avatar Tejun Heo

cfq-iosched: separate out cfqg_stats_reset() from cfq_pd_reset_stats()

Separate out cfqg_stats_reset() which takes struct cfqg_stats * from
cfq_pd_reset_stats() and move the latter to where other pd methods are
defined.  cfqg_stats_reset() will be used to implement hierarchical
Signed-off-by: default avatarTejun Heo <>
Acked-by: default avatarVivek Goyal <>
parent 810ecfa7
......@@ -688,11 +688,9 @@ static inline void cfqg_stats_update_completion(struct cfq_group *cfqg,
io_start_time - start_time);
static void cfq_pd_reset_stats(struct blkcg_gq *blkg)
/* @stats = 0 */
static void cfqg_stats_reset(struct cfqg_stats *stats)
struct cfq_group *cfqg = blkg_to_cfqg(blkg);
struct cfqg_stats *stats = &cfqg->stats;
/* queued stats shouldn't be cleared */
......@@ -1477,6 +1475,13 @@ static void cfq_pd_init(struct blkcg_gq *blkg)
cfqg->leaf_weight = blkg->blkcg->cfq_leaf_weight;
static void cfq_pd_reset_stats(struct blkcg_gq *blkg)
struct cfq_group *cfqg = blkg_to_cfqg(blkg);
* Search for the cfq group current task belongs to. request_queue lock must
* be held.
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