simdisk: stop using ->queuedata

Instead of setting up the queuedata as well just use one private data
field.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

arch/xtensa/platforms/iss/simdisk.c

@@ -103,7 +103,7 @@ static void simdisk_transfer(struct simdisk *dev, unsigned long sector,
 
 static blk_qc_t simdisk_make_request(struct request_queue *q, struct bio *bio)
 {
-	struct simdisk *dev = q->queuedata;
+	struct simdisk *dev = bio->bi_disk->private_data;
 	struct bio_vec bvec;
 	struct bvec_iter iter;
 	sector_t sector = bio->bi_iter.bi_sector;
@@ -273,8 +273,6 @@ static int __init simdisk_setup(struct simdisk *dev, int which,
 		goto out_alloc_queue;
 	}
 
-	dev->queue->queuedata = dev;
-
 	dev->gd = alloc_disk(SIMDISK_MINORS);
 	if (dev->gd == NULL) {
 		pr_err("alloc_disk failed\n");