block: remove unused parameter

JIRA: https://issues.redhat.com/browse/RHEL-112997

commit 61667cb
Author: Guixin Liu <kanie@linux.alibaba.com>
Date:   Wed Mar 12 16:47:22 2025 +0800

    block: remove unused parameter

    The blk_mq_map_queue()'s request_queue param is not used anymore,
    remove it, same with blk_get_flush_queue().

    Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
    Link: https://lore.kernel.org/r/20250312084722.129680-1-kanie@linux.alibaba.com
    Signed-off-by: Jens Axboe <axboe@kernel.dk>

Signed-off-by: Ming Lei <ming.lei@redhat.com>

Author: Ming Lei

block/blk-flush.c

@@ -95,9 +95,9 @@ static void blk_kick_flush(struct request_queue *q,
 			   struct blk_flush_queue *fq, blk_opf_t flags);
 
 static inline struct blk_flush_queue *
-blk_get_flush_queue(struct request_queue *q, struct blk_mq_ctx *ctx)
+blk_get_flush_queue(struct blk_mq_ctx *ctx)
 {
-	return blk_mq_map_queue(q, REQ_OP_FLUSH, ctx)->fq;
+	return blk_mq_map_queue(REQ_OP_FLUSH, ctx)->fq;
 }
 
 static unsigned int blk_flush_cur_seq(struct request *rq)
@@ -205,7 +205,7 @@ static enum rq_end_io_ret flush_end_io(struct request *flush_rq,
 	struct list_head *running;
 	struct request *rq, *n;
 	unsigned long flags = 0;
-	struct blk_flush_queue *fq = blk_get_flush_queue(q, flush_rq->mq_ctx);
+	struct blk_flush_queue *fq = blk_get_flush_queue(flush_rq->mq_ctx);
 
 	/* release the tag's ownership to the req cloned from */
 	spin_lock_irqsave(&fq->mq_flush_lock, flags);
@@ -341,7 +341,7 @@ static enum rq_end_io_ret mq_flush_data_end_io(struct request *rq,
 	struct blk_mq_hw_ctx *hctx = rq->mq_hctx;
 	struct blk_mq_ctx *ctx = rq->mq_ctx;
 	unsigned long flags;
-	struct blk_flush_queue *fq = blk_get_flush_queue(q, ctx);
+	struct blk_flush_queue *fq = blk_get_flush_queue(ctx);
 
 	if (q->elevator) {
 		WARN_ON(rq->tag < 0);
@@ -382,7 +382,7 @@ static void blk_rq_init_flush(struct request *rq)
 bool blk_insert_flush(struct request *rq)
 {
 	struct request_queue *q = rq->q;
-	struct blk_flush_queue *fq = blk_get_flush_queue(q, rq->mq_ctx);
+	struct blk_flush_queue *fq = blk_get_flush_queue(rq->mq_ctx);
 	bool supports_fua = q->limits.features & BLK_FEAT_FUA;
 	unsigned int policy = 0;
 

block/blk-mq-sched.c

@@ -349,7 +349,7 @@ bool blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio,
 	}
 
 	ctx = blk_mq_get_ctx(q);
-	hctx = blk_mq_map_queue(q, bio->bi_opf, ctx);
+	hctx = blk_mq_map_queue(bio->bi_opf, ctx);
 	type = hctx->type;
 	if (list_empty_careful(&ctx->rq_lists[type]))
 		goto out_put;

block/blk-mq-tag.c

@@ -190,8 +190,7 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data)
 		sbitmap_finish_wait(bt, ws, &wait);
 
 		data->ctx = blk_mq_get_ctx(data->q);
-		data->hctx = blk_mq_map_queue(data->q, data->cmd_flags,
-						data->ctx);
+		data->hctx = blk_mq_map_queue(data->cmd_flags, data->ctx);
 		tags = blk_mq_tags_from_data(data);
 		if (data->flags & BLK_MQ_REQ_RESERVED)
 			bt = &tags->breserved_tags;

block/blk-mq.c

@@ -508,7 +508,7 @@ static struct request *__blk_mq_alloc_requests(struct blk_mq_alloc_data *data)
 
 retry:
 	data->ctx = blk_mq_get_ctx(q);
-	data->hctx = blk_mq_map_queue(q, data->cmd_flags, data->ctx);
+	data->hctx = blk_mq_map_queue(data->cmd_flags, data->ctx);
 
 	if (q->elevator) {
 		/*

block/blk-mq.h

@@ -100,12 +100,10 @@ static inline enum hctx_type blk_mq_get_hctx_type(blk_opf_t opf)
 
 /*
  * blk_mq_map_queue() - map (cmd_flags,type) to hardware queue
- * @q: request queue
  * @opf: operation type (REQ_OP_*) and flags (e.g. REQ_POLLED).
  * @ctx: software queue cpu ctx
  */
-static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q,
-						     blk_opf_t opf,
+static inline struct blk_mq_hw_ctx *blk_mq_map_queue(blk_opf_t opf,
 						     struct blk_mq_ctx *ctx)
 {
 	return ctx->hctxs[blk_mq_get_hctx_type(opf)];

block/kyber-iosched.c

@@ -568,7 +568,7 @@ static bool kyber_bio_merge(struct request_queue *q, struct bio *bio,
 		unsigned int nr_segs)
 {
 	struct blk_mq_ctx *ctx = blk_mq_get_ctx(q);
-	struct blk_mq_hw_ctx *hctx = blk_mq_map_queue(q, bio->bi_opf, ctx);
+	struct blk_mq_hw_ctx *hctx = blk_mq_map_queue(bio->bi_opf, ctx);
 	struct kyber_hctx_data *khd = hctx->sched_data;
 	struct kyber_ctx_queue *kcq = &khd->kcqs[ctx->index_hw[hctx->type]];
 	unsigned int sched_domain = kyber_sched_domain(bio->bi_opf);