diff --git a/[refs] b/[refs]
index ff80d2597084..c5d98bb28973 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a32079ce17899192a7b98a42753be467605a8b2f
+refs/heads/master: 99c75e3130cff0c869c657ee97fb4a68958eeffc
diff --git a/trunk/drivers/md/dm-bio-list.h b/trunk/drivers/md/dm-bio-list.h
index d4509be0fe67..345098b4ca77 100644
--- a/trunk/drivers/md/dm-bio-list.h
+++ b/trunk/drivers/md/dm-bio-list.h
@@ -52,6 +52,16 @@ static inline void bio_list_add(struct bio_list *bl, struct bio *bio)
 	bl->tail = bio;
 }
 
+static inline void bio_list_add_head(struct bio_list *bl, struct bio *bio)
+{
+	bio->bi_next = bl->head;
+
+	bl->head = bio;
+
+	if (!bl->tail)
+		bl->tail = bio;
+}
+
 static inline void bio_list_merge(struct bio_list *bl, struct bio_list *bl2)
 {
 	if (!bl2->head)