highmem: use bio_has_data() in the bounce path

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/mm/bounce.c b/mm/bounce.c
index b6d2d0f..06722c4 100644 (file)
--- a/mm/bounce.c
+++ b/mm/bounce.c
@@ -267,7 +267,7 @@ void blk_queue_bounce(struct request_queue *q, struct bio **bio_orig)
        /*
         * Data-less bio, nothing to bounce
         */
-       if (bio_empty_barrier(*bio_orig))
+       if (!bio_has_data(*bio_orig))
                return;
 
        /*