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From:   Christoph Hellwig <hch@lst.de>
To:     Jens Axboe <axboe@kernel.dk>,
        "Martin K. Petersen" <martin.petersen@oracle.com>
Cc:     "J. Bruce Fields" <bfields@fieldses.org>,
        Chuck Lever <chuck.lever@oracle.com>,
        linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
        target-devel@vger.kernel.org, linux-nfs@vger.kernel.org,
        Hannes Reinecke <hare@suse.de>
Subject: [PATCH 6/7] block: remove the initialize_rq_fn blk_mq_ops method
Date:   Thu, 21 Oct 2021 08:06:06 +0200
Message-Id: <20211021060607.264371-7-hch@lst.de>
In-Reply-To: <20211021060607.264371-1-hch@lst.de>
References: <20211021060607.264371-1-hch@lst.de>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Entirely unused now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
---
 block/blk-core.c       | 9 +--------
 include/linux/blk-mq.h | 5 -----
 2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index d0c2e11411d03..52a460d0aeb2a 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -606,16 +606,9 @@ EXPORT_SYMBOL(blk_get_queue);
 struct request *blk_get_request(struct request_queue *q, unsigned int op,
 				blk_mq_req_flags_t flags)
 {
-	struct request *req;
-
 	WARN_ON_ONCE(op & REQ_NOWAIT);
 	WARN_ON_ONCE(flags & ~(BLK_MQ_REQ_NOWAIT | BLK_MQ_REQ_PM));
-
-	req = blk_mq_alloc_request(q, op, flags);
-	if (!IS_ERR(req) && q->mq_ops->initialize_rq_fn)
-		q->mq_ops->initialize_rq_fn(req);
-
-	return req;
+	return blk_mq_alloc_request(q, op, flags);
 }
 EXPORT_SYMBOL(blk_get_request);
 
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 656fe34bdb6cd..649be3f21d740 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -565,11 +565,6 @@ struct blk_mq_ops {
 	void (*exit_request)(struct blk_mq_tag_set *set, struct request *,
 			     unsigned int);
 
-	/**
-	 * @initialize_rq_fn: Called from inside blk_get_request().
-	 */
-	void (*initialize_rq_fn)(struct request *rq);
-
 	/**
 	 * @cleanup_rq: Called before freeing one request which isn't completed
 	 * yet, and usually for freeing the driver private data.
-- 
2.30.2