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Commit 4d5e80a7 authored by Tejun Heo's avatar Tejun Heo
Browse files

blkcg: s/blkg_rwstat_sum()/blkg_rwstat_total()/ 



Rename blkg_rwstat_sum() to blkg_rwstat_total().  sum will be used for
summing up stats from multiple blkgs.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Acked-by: default avatarVivek Goyal <vgoyal@redhat.com>
parent f427d909

block/blk-cgroup.h

+2 −2
Original line number Diff line number Diff line
@@ -461,14 +461,14 @@ static inline struct blkg_rwstat blkg_rwstat_read(struct blkg_rwstat *rwstat) 
}



/**

 * blkg_rwstat_sum - read the total count of a blkg_rwstat

 * blkg_rwstat_total - read the total count of a blkg_rwstat

 * @rwstat: blkg_rwstat to read

 *

 * Return the total count of @rwstat regardless of the IO direction.  This

 * function can be called without synchronization and takes care of u64

 * atomicity.

 */

static inline uint64_t blkg_rwstat_sum(struct blkg_rwstat *rwstat)

static inline uint64_t blkg_rwstat_total(struct blkg_rwstat *rwstat)

{

	struct blkg_rwstat tmp = blkg_rwstat_read(rwstat);

block/cfq-iosched.c

+2 −2
Original line number Diff line number Diff line
@@ -536,7 +536,7 @@ static void cfqg_stats_set_start_empty_time(struct cfq_group *cfqg) 
{

	struct cfqg_stats *stats = &cfqg->stats;



	if (blkg_rwstat_sum(&stats->queued))

	if (blkg_rwstat_total(&stats->queued))

		return;



	/*
@@ -580,7 +580,7 @@ static void cfqg_stats_update_avg_queue_size(struct cfq_group *cfqg) 
	struct cfqg_stats *stats = &cfqg->stats;



	blkg_stat_add(&stats->avg_queue_size_sum,

		      blkg_rwstat_sum(&stats->queued));

		      blkg_rwstat_total(&stats->queued));

	blkg_stat_add(&stats->avg_queue_size_samples, 1);

	cfqg_stats_update_group_wait_time(stats);

}