305 static struct block_device *add_partition(struct gendisk *disk, int partno,  in add_partition()  argument
318 	if (partno >= DISK_MAX_PARTS)  in add_partition()
339 	if (xa_load(&disk->part_tbl, partno))  in add_partition()
346 	bdev = bdev_alloc(disk, partno);  in add_partition()
356 		dev_set_name(pdev, "%sp%d", dname, partno);  in add_partition()
358 		dev_set_name(pdev, "%s%d", dname, partno);  in add_partition()
402 	err = xa_insert(&disk->part_tbl, partno, bdev, GFP_KERNEL);  in add_partition()
444 int bdev_add_partition(struct gendisk *disk, int partno, sector_t start,  in bdev_add_partition()  argument
461 	part = add_partition(disk, partno, start, length,  in bdev_add_partition()
469 int bdev_del_partition(struct gendisk *disk, int partno)  in bdev_del_partition()  argument
475 	part = xa_load(&disk->part_tbl, partno);  in bdev_del_partition()
490 int bdev_resize_partition(struct gendisk *disk, int partno, sector_t start,  in bdev_resize_partition()  argument
497 	part = xa_load(&disk->part_tbl, partno);  in bdev_resize_partition()
506 	if (partition_overlaps(disk, start, length, partno))  in bdev_resize_partition()