From a23e68695593d00b35a6cddf8e9c9ec03505ecb9 Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@redhat.com>
Date: Thu, 19 May 2011 15:38:20 -0400
Subject: [PATCH] blk-cgroup: move some fields of unaccounted_time file under
right config option
cgroup unaccounted_time file is created only if CONFIG_DEBUG_BLK_CGROUP=y.
there are some fields which are out side this config option. Fix that.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---
block/blk-cgroup.c | 2 ++
block/blk-cgroup.h | 7 ++++---
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 471fdcc5df85..b0592bca6970 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -385,7 +385,9 @@ void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time,
spin_lock_irqsave(&blkg->stats_lock, flags);
blkg->stats.time += time;
+#ifdef CONFIG_DEBUG_BLK_CGROUP
blkg->stats.unaccounted_time += unaccounted_time;
+#endif
spin_unlock_irqrestore(&blkg->stats_lock, flags);
}
EXPORT_SYMBOL_GPL(blkiocg_update_timeslice_used);
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index c774930cc206..63f1ef4450d7 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -49,9 +49,9 @@ enum stat_type {
/* All the single valued stats go below this */
BLKIO_STAT_TIME,
BLKIO_STAT_SECTORS,
+#ifdef CONFIG_DEBUG_BLK_CGROUP
/* Time not charged to this cgroup */
BLKIO_STAT_UNACCOUNTED_TIME,
-#ifdef CONFIG_DEBUG_BLK_CGROUP
BLKIO_STAT_AVG_QUEUE_SIZE,
BLKIO_STAT_IDLE_TIME,
BLKIO_STAT_EMPTY_TIME,
@@ -117,10 +117,11 @@ struct blkio_group_stats {
/* total disk time and nr sectors dispatched by this group */
uint64_t time;
uint64_t sectors;
- /* Time not charged to this cgroup */
- uint64_t unaccounted_time;
uint64_t stat_arr[BLKIO_STAT_QUEUED + 1][BLKIO_STAT_TOTAL];
#ifdef CONFIG_DEBUG_BLK_CGROUP
+ /* Time not charged to this cgroup */
+ uint64_t unaccounted_time;
+
/* Sum of number of IOs queued across all samples */
uint64_t avg_queue_size_sum;
/* Count of samples taken for average */
--
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