diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index f04d45b6b563..e95a92e89330 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1352,6 +1352,7 @@ static struct ceph_osd_request *rbd_osd_req_create(
 		rbd_assert(obj_request->bio_list != NULL);
 		osd_data->type = CEPH_OSD_DATA_TYPE_BIO;
 		osd_data->bio = obj_request->bio_list;
+		osd_data->bio_length = obj_request->length;
 		break;
 	case OBJ_REQUEST_PAGES:
 		osd_data->type = CEPH_OSD_DATA_TYPE_PAGES;
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 3b5ba31c2cbd..fdda93ebbb4c 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -71,7 +71,10 @@ struct ceph_osd_data {
 		};
 		struct ceph_pagelist	*pagelist;
 #ifdef CONFIG_BLOCK
-		struct bio       	*bio;
+		struct {
+			struct bio	*bio;		/* list of bios */
+			size_t		bio_length;	/* total in list */
+		};
 #endif /* CONFIG_BLOCK */
 	};
 };