1 files changed, 1 insertions, 1 deletions

diff --git a/block/blk-map.c b/block/blk-map.c
index 694fefad34e7..56082bea4504 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -20,7 +20,7 @@ int blk_rq_append_bio(struct request_queue *q, struct request *rq,
                 rq->biotail->bi_next = bio;
                 rq->biotail = bio;
 
-                rq->data_len += bio->bi_size;
+                rq->__data_len += bio->bi_size;
         }
         return 0;
 }