diff mbox series

[1/5] blk-stat: rename batch to time

Message ID 20190426002050.15499-2-Jes.Sorensen@gmail.com (mailing list archive)
State New, archived
Headers show
Series RFC blk-mq device stats | expand

Commit Message

Jes Sorensen April 26, 2019, 12:20 a.m. UTC 
From: Josef Bacik <josef@toxicpanda.com>

Batch isn't at all related to what it's actually used for, which is the
running sum of time spent doing IO.  Rename it to time so it makes
logical sense.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 block/blk-stat.c          | 6 +++---
 include/linux/blk_types.h | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/block/blk-stat.c b/block/blk-stat.c
index 696a04176e4d..8a40ac719ba7 100644
--- a/block/blk-stat.c
+++ b/block/blk-stat.c
@@ -21,7 +21,7 @@  void blk_rq_stat_init(struct blk_rq_stat *stat)
 {
 	stat->min = -1ULL;
 	stat->max = stat->nr_samples = stat->mean = 0;
-	stat->batch = 0;
+	stat->time = 0;
 }
 
 /* src is a per-cpu stat, mean isn't initialized */
@@ -33,7 +33,7 @@  void blk_rq_stat_sum(struct blk_rq_stat *dst, struct blk_rq_stat *src)
 	dst->min = min(dst->min, src->min);
 	dst->max = max(dst->max, src->max);
 
-	dst->mean = div_u64(src->batch + dst->mean * dst->nr_samples,
+	dst->mean = div_u64(src->time + dst->mean * dst->nr_samples,
 				dst->nr_samples + src->nr_samples);
 
 	dst->nr_samples += src->nr_samples;
@@ -43,7 +43,7 @@  void blk_rq_stat_add(struct blk_rq_stat *stat, u64 value)
 {
 	stat->min = min(stat->min, value);
 	stat->max = max(stat->max, value);
-	stat->batch += value;
+	stat->time += value;
 	stat->nr_samples++;
 }
 
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 791fee35df88..df24baf455c2 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -446,7 +446,7 @@  struct blk_rq_stat {
 	u64 min;
 	u64 max;
 	u32 nr_samples;
-	u64 batch;
+	u64 time;
 };
 
 #endif /* __LINUX_BLK_TYPES_H */