1 files changed, 1 insertions, 1 deletions

diff --git a/block/elevator.c b/block/elevator.c
index 6df2b5056b51..0abce473d606 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -1097,7 +1097,7 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name)
         struct elevator_type *__e;
         int len = 0;
 
-        if (!q->elevator)
+        if (!q->elevator || !blk_queue_stackable(q))
                 return sprintf(name, "none\n");
 
         elv = e->elevator_type;