1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index d5d320da51f8..30d2090583ad 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -689,6 +689,8 @@ static inline bool blk_account_rq(struct request *rq)
 	dma_map_page_attrs(dev, (bv)->bv_page, (bv)->bv_offset, (bv)->bv_len, \
 	(dir), (attrs))
 
+#define queue_to_disk(q)	(dev_to_disk(kobj_to_dev((q)->kobj.parent)))
+
 static inline bool queue_is_mq(struct request_queue *q)
 {
 	return q->mq_ops;