332 int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)  in add_mtd_blktrans_dev()  argument
334 	struct mtd_blktrans_ops *tr = new->tr;  in add_mtd_blktrans_dev()
347 		if (new->devnum == -1) {  in add_mtd_blktrans_dev()
351 				new->devnum = last_devnum+1;  in add_mtd_blktrans_dev()
352 				list_add_tail(&new->list, &d->list);  in add_mtd_blktrans_dev()
355 		} else if (d->devnum == new->devnum) {  in add_mtd_blktrans_dev()
359 		} else if (d->devnum > new->devnum) {  in add_mtd_blktrans_dev()
361 			list_add_tail(&new->list, &d->list);  in add_mtd_blktrans_dev()
368 	if (new->devnum == -1)  in add_mtd_blktrans_dev()
369 		new->devnum = last_devnum+1;  in add_mtd_blktrans_dev()
374 	if (new->devnum > (MINORMASK >> tr->part_bits) ||  in add_mtd_blktrans_dev()
375 	    (tr->part_bits && new->devnum >= 27 * 26)) {  in add_mtd_blktrans_dev()
380 	list_add_tail(&new->list, &tr->devs);  in add_mtd_blktrans_dev()
384 	mutex_init(&new->lock);  in add_mtd_blktrans_dev()
385 	kref_init(&new->ref);  in add_mtd_blktrans_dev()
387 		new->readonly = 1;  in add_mtd_blktrans_dev()
396 	new->disk = gd;  in add_mtd_blktrans_dev()
397 	gd->private_data = new;  in add_mtd_blktrans_dev()
399 	gd->first_minor = (new->devnum) << tr->part_bits;  in add_mtd_blktrans_dev()
403 		if (new->devnum < 26)  in add_mtd_blktrans_dev()
405 				 "%s%c", tr->name, 'a' + new->devnum);  in add_mtd_blktrans_dev()
409 				 'a' - 1 + new->devnum / 26,  in add_mtd_blktrans_dev()
410 				 'a' + new->devnum % 26);  in add_mtd_blktrans_dev()
413 			 "%s%d", tr->name, new->devnum);  in add_mtd_blktrans_dev()
415 	set_capacity(gd, ((u64)new->size * tr->blksize) >> 9);  in add_mtd_blktrans_dev()
418 	spin_lock_init(&new->queue_lock);  in add_mtd_blktrans_dev()
419 	new->rq = blk_init_queue(mtd_blktrans_request, &new->queue_lock);  in add_mtd_blktrans_dev()
421 	if (!new->rq)  in add_mtd_blktrans_dev()
425 		blk_queue_write_cache(new->rq, true, false);  in add_mtd_blktrans_dev()
427 	new->rq->queuedata = new;  in add_mtd_blktrans_dev()
428 	blk_queue_logical_block_size(new->rq, tr->blksize);  in add_mtd_blktrans_dev()
430 	blk_queue_flag_set(QUEUE_FLAG_NONROT, new->rq);  in add_mtd_blktrans_dev()
431 	blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, new->rq);  in add_mtd_blktrans_dev()
434 		blk_queue_flag_set(QUEUE_FLAG_DISCARD, new->rq);  in add_mtd_blktrans_dev()
435 		blk_queue_max_discard_sectors(new->rq, UINT_MAX);  in add_mtd_blktrans_dev()
438 	gd->queue = new->rq;  in add_mtd_blktrans_dev()
441 	new->wq = alloc_workqueue("%s%d", 0, 0,  in add_mtd_blktrans_dev()
442 				  tr->name, new->mtd->index);  in add_mtd_blktrans_dev()
443 	if (!new->wq)  in add_mtd_blktrans_dev()
445 	INIT_WORK(&new->work, mtd_blktrans_work);  in add_mtd_blktrans_dev()
447 	if (new->readonly)  in add_mtd_blktrans_dev()
450 	device_add_disk(&new->mtd->dev, gd);  in add_mtd_blktrans_dev()
452 	if (new->disk_attributes) {  in add_mtd_blktrans_dev()
454 					new->disk_attributes);  in add_mtd_blktrans_dev()
459 	blk_cleanup_queue(new->rq);  in add_mtd_blktrans_dev()
461 	put_disk(new->disk);  in add_mtd_blktrans_dev()
463 	list_del(&new->list);  in add_mtd_blktrans_dev()
481 	/* Stop new requests to arrive */  in del_mtd_blktrans_dev()