1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 5d3761c50063..273eee00524b 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -36,6 +36,9 @@ enum {
 	BLK_MQ_TAG_MAX		= BLK_MQ_NO_TAG - 1,
 };
 
+typedef unsigned int __bitwise blk_insert_t;
+#define BLK_MQ_INSERT_AT_HEAD		((__force blk_insert_t)0x01)
+
 void blk_mq_submit_bio(struct bio *bio);
 int blk_mq_poll(struct request_queue *q, blk_qc_t cookie, struct io_comp_batch *iob,
 		unsigned int flags);