276 int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)  in add_mtd_blktrans_dev()  argument
278 	struct mtd_blktrans_ops *tr = new->tr;  in add_mtd_blktrans_dev()
288 		if (new->devnum == -1) {  in add_mtd_blktrans_dev()
292 				new->devnum = last_devnum+1;  in add_mtd_blktrans_dev()
293 				list_add_tail(&new->list, &d->list);  in add_mtd_blktrans_dev()
296 		} else if (d->devnum == new->devnum) {  in add_mtd_blktrans_dev()
299 		} else if (d->devnum > new->devnum) {  in add_mtd_blktrans_dev()
301 			list_add_tail(&new->list, &d->list);  in add_mtd_blktrans_dev()
308 	if (new->devnum == -1)  in add_mtd_blktrans_dev()
309 		new->devnum = last_devnum+1;  in add_mtd_blktrans_dev()
314 	if (new->devnum > (MINORMASK >> tr->part_bits) ||  in add_mtd_blktrans_dev()
315 	    (tr->part_bits && new->devnum >= 27 * 26))  in add_mtd_blktrans_dev()
318 	list_add_tail(&new->list, &tr->devs);  in add_mtd_blktrans_dev()
321 	mutex_init(&new->lock);  in add_mtd_blktrans_dev()
322 	kref_init(&new->ref);  in add_mtd_blktrans_dev()
324 		new->readonly = 1;  in add_mtd_blktrans_dev()
327 	new->tag_set = kzalloc(sizeof(*new->tag_set), GFP_KERNEL);  in add_mtd_blktrans_dev()
328 	if (!new->tag_set)  in add_mtd_blktrans_dev()
331 	ret = blk_mq_alloc_sq_tag_set(new->tag_set, &mtd_mq_ops, 2,  in add_mtd_blktrans_dev()
343 	gd = blk_mq_alloc_disk(new->tag_set, &lim, new);  in add_mtd_blktrans_dev()
349 	new->disk = gd;  in add_mtd_blktrans_dev()
350 	new->rq = new->disk->queue;  in add_mtd_blktrans_dev()
351 	gd->private_data = new;  in add_mtd_blktrans_dev()
353 	gd->first_minor = (new->devnum) << tr->part_bits;  in add_mtd_blktrans_dev()
358 		if (new->devnum < 26)  in add_mtd_blktrans_dev()
360 				 "%s%c", tr->name, 'a' + new->devnum);  in add_mtd_blktrans_dev()
364 				 'a' - 1 + new->devnum / 26,  in add_mtd_blktrans_dev()
365 				 'a' + new->devnum % 26);  in add_mtd_blktrans_dev()
368 			 "%s%d", tr->name, new->devnum);  in add_mtd_blktrans_dev()
372 	set_capacity(gd, ((u64)new->size * tr->blksize) >> 9);  in add_mtd_blktrans_dev()
375 	spin_lock_init(&new->queue_lock);  in add_mtd_blktrans_dev()
376 	INIT_LIST_HEAD(&new->rq_list);  in add_mtd_blktrans_dev()
377 	gd->queue = new->rq;  in add_mtd_blktrans_dev()
379 	if (new->readonly)  in add_mtd_blktrans_dev()
382 	ret = device_add_disk(&new->mtd->dev, gd, NULL);  in add_mtd_blktrans_dev()
386 	if (new->disk_attributes) {  in add_mtd_blktrans_dev()
388 					new->disk_attributes);  in add_mtd_blktrans_dev()
394 	put_disk(new->disk);  in add_mtd_blktrans_dev()
396 	blk_mq_free_tag_set(new->tag_set);  in add_mtd_blktrans_dev()
398 	kfree(new->tag_set);  in add_mtd_blktrans_dev()
400 	list_del(&new->list);  in add_mtd_blktrans_dev()