diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 5e6584cc76c3..24284d22f15b 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1475,7 +1475,8 @@ static void setup_split_accounting(struct clone_info *ci, unsigned int len)
 }
 
 static void alloc_multiple_bios(struct bio_list *blist, struct clone_info *ci,
-				struct dm_target *ti, unsigned int num_bios)
+				struct dm_target *ti, unsigned int num_bios,
+				unsigned *len)
 {
 	struct bio *bio;
 	int try;
@@ -1486,7 +1487,7 @@ static void alloc_multiple_bios(struct bio_list *blist, struct clone_info *ci,
 		if (try)
 			mutex_lock(&ci->io->md->table_devices_lock);
 		for (bio_nr = 0; bio_nr < num_bios; bio_nr++) {
-			bio = alloc_tio(ci, ti, bio_nr, NULL,
+			bio = alloc_tio(ci, ti, bio_nr, len,
 					try ? GFP_NOIO : GFP_NOWAIT);
 			if (!bio)
 				break;
@@ -1524,7 +1525,7 @@ static int __send_duplicate_bios(struct clone_info *ci, struct dm_target *ti,
 		if (len)
 			setup_split_accounting(ci, *len);
 		/* dm_accept_partial_bio() is not supported with shared tio->len_ptr */
-		alloc_multiple_bios(&blist, ci, ti, num_bios);
+		alloc_multiple_bios(&blist, ci, ti, num_bios, len);
 		while ((clone = bio_list_pop(&blist))) {
 			dm_tio_set_flag(clone_to_tio(clone), DM_TIO_IS_DUPLICATE_BIO);
 			__map_bio(clone);