From 7ca01926463a15f5d2681458643b2453930b873a Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Wed, 24 Oct 2018 03:39:36 -0600
Subject: block: remove legacy rq tagging

It's now unused, kill it.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/blk-mq-tag.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'block/blk-mq-tag.c')

diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index cfda95b85d34..4254e74c1446 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -530,10 +530,8 @@ u32 blk_mq_unique_tag(struct request *rq)
 	struct blk_mq_hw_ctx *hctx;
 	int hwq = 0;
 
-	if (q->mq_ops) {
-		hctx = blk_mq_map_queue(q, rq->mq_ctx->cpu);
-		hwq = hctx->queue_num;
-	}
+	hctx = blk_mq_map_queue(q, rq->mq_ctx->cpu);
+	hwq = hctx->queue_num;
 
 	return (hwq << BLK_MQ_UNIQUE_TAG_BITS) |
 		(rq->tag & BLK_MQ_UNIQUE_TAG_MASK);
-- 
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