block: remove the initialize_rq_fn blk_mq_ops method

Entirely unused now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20211021060607.264371-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-core.c b/block/blk-core.c
index fd389a1..5ffe05b 100644 (file)
--- 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 b4039fd..ebc45cf 100644 (file)
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -567,11 +567,6 @@ struct blk_mq_ops {
                             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.
         */