nfblock: 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>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

arch/m68k/emu/nfblock.c

@@ -61,7 +61,7 @@ struct nfhd_device {
 
 static blk_qc_t nfhd_make_request(struct request_queue *queue, struct bio *bio)
 {
-	struct nfhd_device *dev = queue->queuedata;
+	struct nfhd_device *dev = bio->bi_disk->private_data;
 	struct bio_vec bvec;
 	struct bvec_iter iter;
 	int dir, len, shift;
@@ -122,7 +122,6 @@ static int __init nfhd_init_one(int id, u32 blocks, u32 bsize)
 	if (dev->queue == NULL)
 		goto free_dev;
 
-	dev->queue->queuedata = dev;
 	blk_queue_logical_block_size(dev->queue, bsize);
 
 	dev->disk = alloc_disk(16);