145 void disk_part_iter_init(struct disk_part_iter *piter, struct gendisk *disk,  in disk_part_iter_init()  argument
153 	piter->disk = disk;  in disk_part_iter_init()
154 	piter->part = NULL;  in disk_part_iter_init()
157 		piter->idx = ptbl->len - 1;  in disk_part_iter_init()
159 		piter->idx = 0;  in disk_part_iter_init()
161 		piter->idx = 1;  in disk_part_iter_init()
163 	piter->flags = flags;  in disk_part_iter_init()
178 struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter)  in disk_part_iter_next()  argument
184 	disk_put_part(piter->part);  in disk_part_iter_next()
185 	piter->part = NULL;  in disk_part_iter_next()
189 	ptbl = rcu_dereference(piter->disk->part_tbl);  in disk_part_iter_next()
192 	if (piter->flags & DISK_PITER_REVERSE) {  in disk_part_iter_next()
194 		if (piter->flags & (DISK_PITER_INCL_PART0 |  in disk_part_iter_next()
205 	for (; piter->idx != end; piter->idx += inc) {  in disk_part_iter_next()
208 		part = rcu_dereference(ptbl->part[piter->idx]);  in disk_part_iter_next()
212 		    !(piter->flags & DISK_PITER_INCL_EMPTY) &&  in disk_part_iter_next()
213 		    !(piter->flags & DISK_PITER_INCL_EMPTY_PART0 &&  in disk_part_iter_next()
214 		      piter->idx == 0))  in disk_part_iter_next()
218 		piter->part = part;  in disk_part_iter_next()
219 		piter->idx += inc;  in disk_part_iter_next()
225 	return piter->part;  in disk_part_iter_next()
238 void disk_part_iter_exit(struct disk_part_iter *piter)  in disk_part_iter_exit()  argument
240 	disk_put_part(piter->part);  in disk_part_iter_exit()
241 	piter->part = NULL;  in disk_part_iter_exit()
574 	struct disk_part_iter piter;  in register_disk()  local
635 	disk_part_iter_init(&piter, disk, 0);  in register_disk()
636 	while ((part = disk_part_iter_next(&piter)))  in register_disk()
638 	disk_part_iter_exit(&piter);  in register_disk()
729 	struct disk_part_iter piter;  in del_gendisk()  local
741 	disk_part_iter_init(&piter, disk,  in del_gendisk()
743 	while ((part = disk_part_iter_next(&piter))) {  in del_gendisk()
748 	disk_part_iter_exit(&piter);  in del_gendisk()
900 		struct disk_part_iter piter;  in printk_all_partitions()  local
918 		disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0);  in printk_all_partitions()
919 		while ((part = disk_part_iter_next(&piter))) {  in printk_all_partitions()
936 		disk_part_iter_exit(&piter);  in printk_all_partitions()
1001 	struct disk_part_iter piter;  in show_partition()  local
1013 	disk_part_iter_init(&piter, sgp, DISK_PITER_INCL_PART0);  in show_partition()
1014 	while ((part = disk_part_iter_next(&piter)))  in show_partition()
1019 	disk_part_iter_exit(&piter);  in show_partition()
1316 	struct disk_part_iter piter;  in diskstats_show()  local
1330 	disk_part_iter_init(&piter, gp, DISK_PITER_INCL_EMPTY_PART0);  in diskstats_show()
1331 	while ((hd = disk_part_iter_next(&piter))) {  in diskstats_show()
1360 	disk_part_iter_exit(&piter);  in diskstats_show()
1531 	struct disk_part_iter piter;  in set_disk_ro()  local
1539 	disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY);  in set_disk_ro()
1540 	while ((part = disk_part_iter_next(&piter)))  in set_disk_ro()
1542 	disk_part_iter_exit(&piter);  in set_disk_ro()