zram: 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>

drivers/block/zram/zram_drv.c

@@ -1586,7 +1586,7 @@ static void __zram_make_request(struct zram *zram, struct bio *bio)
  */
 static blk_qc_t zram_make_request(struct request_queue *queue, struct bio *bio)
 {
-	struct zram *zram = queue->queuedata;
+	struct zram *zram = bio->bi_disk->private_data;
 
 	if (!valid_io_request(zram, bio->bi_iter.bi_sector,
 					bio->bi_iter.bi_size)) {
@@ -1912,7 +1912,6 @@ static int zram_add(void)
 	zram->disk->first_minor = device_id;
 	zram->disk->fops = &zram_devops;
 	zram->disk->queue = queue;
-	zram->disk->queue->queuedata = zram;
 	zram->disk->private_data = zram;
 	snprintf(zram->disk->disk_name, 16, "zram%d", device_id);