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

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

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
This commit is contained in:
Tejun Heo 2013-01-09 08:05:12 -08:00
parent f427d90964
commit 4d5e80a760
2 changed files with 4 additions and 4 deletions
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4
block/blk-cgroup.h
View file

@ -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 * @rwstat: blkg_rwstat to read
* *
* Return the total count of @rwstat regardless of the IO direction. This * Return the total count of @rwstat regardless of the IO direction. This
* function can be called without synchronization and takes care of u64 * function can be called without synchronization and takes care of u64
* atomicity. * 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); struct blkg_rwstat tmp = blkg_rwstat_read(rwstat);

4
block/cfq-iosched.c
View file

@ -536,7 +536,7 @@ static void cfqg_stats_set_start_empty_time(struct cfq_group *cfqg)
{ {
struct cfqg_stats *stats = &cfqg->stats; struct cfqg_stats *stats = &cfqg->stats;
if (blkg_rwstat_sum(&stats->queued)) if (blkg_rwstat_total(&stats->queued))
return; return;
/* /*
@ -580,7 +580,7 @@ static void cfqg_stats_update_avg_queue_size(struct cfq_group *cfqg)
struct cfqg_stats *stats = &cfqg->stats; struct cfqg_stats *stats = &cfqg->stats;
blkg_stat_add(&stats->avg_queue_size_sum, 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); blkg_stat_add(&stats->avg_queue_size_samples, 1);
cfqg_stats_update_group_wait_time(stats); cfqg_stats_update_group_wait_time(stats);
} }