1 files changed, 3 insertions, 0 deletions

diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index d973c38ee4fd..0fff7b56df0e 100644
--- a/block/blk-iolatency.c
+++ b/block/blk-iolatency.c
@@ -917,6 +917,9 @@ static size_t iolatency_pd_stat(struct blkg_policy_data *pd, char *buf,
         unsigned long long avg_lat;
         unsigned long long cur_win;
 
+        if (!blkcg_debug_stats)
+                return 0;
+
         if (iolat->ssd)
                 return iolatency_ssd_stat(iolat, buf, size);