1 files changed, 1 insertions, 1 deletions

diff --git a/block/blk-merge.c b/block/blk-merge.c
index b8df66aef0f8..4974dd5767e5 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -370,7 +370,7 @@ static int attempt_merge(struct request_queue *q, struct request *req,
         req->biotail->bi_next = next->bio;
         req->biotail = next->biotail;
 
-        req->data_len += blk_rq_bytes(next);
+        req->__data_len += blk_rq_bytes(next);
 
         elv_merge_requests(q, req, next);