323 int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)  in add_mtd_blktrans_dev()  argument
325 	struct mtd_blktrans_ops *tr = new->tr;  in add_mtd_blktrans_dev()
338 		if (new->devnum == -1) {  in add_mtd_blktrans_dev()
342 				new->devnum = last_devnum+1;  in add_mtd_blktrans_dev()
343 				list_add_tail(&new->list, &d->list);  in add_mtd_blktrans_dev()
346 		} else if (d->devnum == new->devnum) {  in add_mtd_blktrans_dev()
350 		} else if (d->devnum > new->devnum) {  in add_mtd_blktrans_dev()
352 			list_add_tail(&new->list, &d->list);  in add_mtd_blktrans_dev()
359 	if (new->devnum == -1)  in add_mtd_blktrans_dev()
360 		new->devnum = last_devnum+1;  in add_mtd_blktrans_dev()
365 	if (new->devnum > (MINORMASK >> tr->part_bits) ||  in add_mtd_blktrans_dev()
366 	    (tr->part_bits && new->devnum >= 27 * 26)) {  in add_mtd_blktrans_dev()
371 	list_add_tail(&new->list, &tr->devs);  in add_mtd_blktrans_dev()
375 	mutex_init(&new->lock);  in add_mtd_blktrans_dev()
376 	kref_init(&new->ref);  in add_mtd_blktrans_dev()
378 		new->readonly = 1;  in add_mtd_blktrans_dev()
387 	new->disk = gd;  in add_mtd_blktrans_dev()
388 	gd->private_data = new;  in add_mtd_blktrans_dev()
390 	gd->first_minor = (new->devnum) << tr->part_bits;  in add_mtd_blktrans_dev()
394 		if (new->devnum < 26)  in add_mtd_blktrans_dev()
396 				 "%s%c", tr->name, 'a' + new->devnum);  in add_mtd_blktrans_dev()
400 				 'a' - 1 + new->devnum / 26,  in add_mtd_blktrans_dev()
401 				 'a' + new->devnum % 26);  in add_mtd_blktrans_dev()
404 			 "%s%d", tr->name, new->devnum);  in add_mtd_blktrans_dev()
406 	set_capacity(gd, (new->size * tr->blksize) >> 9);  in add_mtd_blktrans_dev()
409 	spin_lock_init(&new->queue_lock);  in add_mtd_blktrans_dev()
410 	new->rq = blk_init_queue(mtd_blktrans_request, &new->queue_lock);  in add_mtd_blktrans_dev()
412 	if (!new->rq)  in add_mtd_blktrans_dev()
416 		blk_queue_flush(new->rq, REQ_FLUSH);  in add_mtd_blktrans_dev()
418 	new->rq->queuedata = new;  in add_mtd_blktrans_dev()
419 	blk_queue_logical_block_size(new->rq, tr->blksize);  in add_mtd_blktrans_dev()
421 	queue_flag_set_unlocked(QUEUE_FLAG_NONROT, new->rq);  in add_mtd_blktrans_dev()
422 	queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, new->rq);  in add_mtd_blktrans_dev()
425 		queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, new->rq);  in add_mtd_blktrans_dev()
426 		new->rq->limits.max_discard_sectors = UINT_MAX;  in add_mtd_blktrans_dev()
429 	gd->queue = new->rq;  in add_mtd_blktrans_dev()
432 	new->wq = alloc_workqueue("%s%d", 0, 0,  in add_mtd_blktrans_dev()
433 				  tr->name, new->mtd->index);  in add_mtd_blktrans_dev()
434 	if (!new->wq)  in add_mtd_blktrans_dev()
436 	INIT_WORK(&new->work, mtd_blktrans_work);  in add_mtd_blktrans_dev()
438 	gd->driverfs_dev = &new->mtd->dev;  in add_mtd_blktrans_dev()
440 	if (new->readonly)  in add_mtd_blktrans_dev()
445 	if (new->disk_attributes) {  in add_mtd_blktrans_dev()
447 					new->disk_attributes);  in add_mtd_blktrans_dev()
452 	blk_cleanup_queue(new->rq);  in add_mtd_blktrans_dev()
454 	put_disk(new->disk);  in add_mtd_blktrans_dev()
456 	list_del(&new->list);  in add_mtd_blktrans_dev()