1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 91dfb75ce39f..ad3adb73cc70 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -129,6 +129,7 @@ enum {
         BLK_MQ_F_SHOULD_MERGE   = 1 << 0,
         BLK_MQ_F_SHOULD_SORT    = 1 << 1,
         BLK_MQ_F_TAG_SHARED     = 1 << 2,
+        BLK_MQ_F_SG_MERGE       = 1 << 3,
 
         BLK_MQ_S_STOPPED        = 0,
         BLK_MQ_S_TAG_ACTIVE     = 1,
@@ -153,7 +154,7 @@ void blk_mq_free_request(struct request *rq);
 bool blk_mq_can_queue(struct blk_mq_hw_ctx *);
 struct request *blk_mq_alloc_request(struct request_queue *q, int rw,
                 gfp_t gfp, bool reserved);
-struct request *blk_mq_tag_to_rq(struct blk_mq_tags *tags, unsigned int tag);
+struct request *blk_mq_tag_to_rq(struct blk_mq_hw_ctx *hctx, unsigned int tag);
 
 struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *, const int ctx_index);
 struct blk_mq_hw_ctx *blk_mq_alloc_single_hw_queue(struct blk_mq_tag_set *, unsigned int, int);