219 static DEVICE_ATTR(start, 0444, part_start_show, NULL);
371 				sector_t start, sector_t len, int flags,  in add_partition()  argument
421 	p->start_sect = start;  in add_partition()
504 static bool partition_overlaps(struct gendisk *disk, sector_t start,  in partition_overlaps()  argument
514 		    start >= part->start_sect + part->nr_sects ||  in partition_overlaps()
515 		    start + length <= part->start_sect)  in partition_overlaps()
526 		sector_t start, sector_t length)  in bdev_add_partition()  argument
531 	if (partition_overlaps(bdev->bd_disk, start, length, -1)) {  in bdev_add_partition()
536 	part = add_partition(bdev->bd_disk, partno, start, length,  in bdev_add_partition()
579 		sector_t start, sector_t length)  in bdev_resize_partition()  argument
598 	if (start != part->start_sect)  in bdev_resize_partition()
602 	if (partition_overlaps(bdev->bd_disk, start, length, partno))  in bdev_resize_partition()