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-rw-r--r--block/blk-stat.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/blk-stat.c b/block/blk-stat.c
index 74a1a8c32d86..bc7e0ed81642 100644
--- a/block/blk-stat.c
+++ b/block/blk-stat.c
@@ -190,7 +190,7 @@ void blk_stat_disable_accounting(struct request_queue *q)
unsigned long flags;
spin_lock_irqsave(&q->stats->lock, flags);
- if (!--q->stats->accounting)
+ if (!--q->stats->accounting && list_empty(&q->stats->callbacks))
blk_queue_flag_clear(QUEUE_FLAG_STATS, q);
spin_unlock_irqrestore(&q->stats->lock, flags);
}
@@ -201,7 +201,7 @@ void blk_stat_enable_accounting(struct request_queue *q)
unsigned long flags;
spin_lock_irqsave(&q->stats->lock, flags);
- if (!q->stats->accounting++)
+ if (!q->stats->accounting++ && list_empty(&q->stats->callbacks))
blk_queue_flag_set(QUEUE_FLAG_STATS, q);
spin_unlock_irqrestore(&q->stats->lock, flags);
}