1 files changed, 2 insertions, 0 deletions
diff --git a/block/blk-stat.c b/block/blk-stat.c
index f80582b..4681c48 100644
--- a/block/blk-stat.c
+++ b/block/blk-stat.c
@@ -9,6 +9,8 @@
 #include "blk-stat.h"
 #include "blk-mq.h"
 
+#define BLK_RQ_STAT_BATCH	64
+
 static void blk_stat_flush_batch(struct blk_rq_stat *stat)
 {
 	const s32 nr_batch = READ_ONCE(stat->nr_batch);