blk-mq: fold __blk_mq_insert_request into blk_mq_insert_request

There is no good point in keeping the __blk_mq_insert_request around
for two function calls and a singler caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230413064057.707578-8-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-mq.c

@@ -2463,17 +2463,6 @@ static inline void __blk_mq_insert_req_list(struct blk_mq_hw_ctx *hctx,
 		list_add_tail(&rq->queuelist, &ctx->rq_lists[type]);
 }
 
-void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
-			     bool at_head)
-{
-	struct blk_mq_ctx *ctx = rq->mq_ctx;
-
-	lockdep_assert_held(&ctx->lock);
-
-	__blk_mq_insert_req_list(hctx, rq, at_head);
-	blk_mq_hctx_mark_pending(hctx, ctx);
-}
-
 /**
  * blk_mq_request_bypass_insert - Insert a request at dispatch list.
  * @rq: Pointer to request to be inserted.
@@ -2598,7 +2587,8 @@ static void blk_mq_insert_request(struct request *rq, bool at_head,
 		e->type->ops.insert_requests(hctx, &list, at_head);
 	} else {
 		spin_lock(&ctx->lock);
-		__blk_mq_insert_request(hctx, rq, at_head);
+		__blk_mq_insert_req_list(hctx, rq, at_head);
+		blk_mq_hctx_mark_pending(hctx, ctx);
 		spin_unlock(&ctx->lock);
 	}
 

block/blk-mq.h

@@ -65,8 +65,6 @@ void blk_mq_free_map_and_rqs(struct blk_mq_tag_set *set,
 /*
  * Internal helpers for request insertion into sw queues
  */
-void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
-				bool at_head);
 void blk_mq_request_bypass_insert(struct request *rq, bool at_head,
 				  bool run_queue);