159 void disk_part_iter_init(struct disk_part_iter *piter, struct gendisk *disk,  in disk_part_iter_init()  argument
167 	piter->disk = disk;  in disk_part_iter_init()
168 	piter->part = NULL;  in disk_part_iter_init()
171 		piter->idx = ptbl->len - 1;  in disk_part_iter_init()
173 		piter->idx = 0;  in disk_part_iter_init()
175 		piter->idx = 1;  in disk_part_iter_init()
177 	piter->flags = flags;  in disk_part_iter_init()
192 struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter)  in disk_part_iter_next()  argument
198 	disk_put_part(piter->part);  in disk_part_iter_next()
199 	piter->part = NULL;  in disk_part_iter_next()
203 	ptbl = rcu_dereference(piter->disk->part_tbl);  in disk_part_iter_next()
206 	if (piter->flags & DISK_PITER_REVERSE) {  in disk_part_iter_next()
208 		if (piter->flags & (DISK_PITER_INCL_PART0 |  in disk_part_iter_next()
219 	for (; piter->idx != end; piter->idx += inc) {  in disk_part_iter_next()
222 		part = rcu_dereference(ptbl->part[piter->idx]);  in disk_part_iter_next()
226 		    !(piter->flags & DISK_PITER_INCL_EMPTY) &&  in disk_part_iter_next()
227 		    !(piter->flags & DISK_PITER_INCL_EMPTY_PART0 &&  in disk_part_iter_next()
228 		      piter->idx == 0))  in disk_part_iter_next()
232 		piter->part = part;  in disk_part_iter_next()
233 		piter->idx += inc;  in disk_part_iter_next()
239 	return piter->part;  in disk_part_iter_next()
252 void disk_part_iter_exit(struct disk_part_iter *piter)  in disk_part_iter_exit()  argument
254 	disk_put_part(piter->part);  in disk_part_iter_exit()
255 	piter->part = NULL;  in disk_part_iter_exit()
601 	struct disk_part_iter piter;  in register_disk()  local
666 	disk_part_iter_init(&piter, disk, 0);  in register_disk()
667 	while ((part = disk_part_iter_next(&piter)))  in register_disk()
669 	disk_part_iter_exit(&piter);  in register_disk()
775 	struct disk_part_iter piter;  in del_gendisk()  local
787 	disk_part_iter_init(&piter, disk,  in del_gendisk()
789 	while ((part = disk_part_iter_next(&piter))) {  in del_gendisk()
794 	disk_part_iter_exit(&piter);  in del_gendisk()
953 		struct disk_part_iter piter;  in printk_all_partitions()  local
971 		disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0);  in printk_all_partitions()
972 		while ((part = disk_part_iter_next(&piter))) {  in printk_all_partitions()
989 		disk_part_iter_exit(&piter);  in printk_all_partitions()
1054 	struct disk_part_iter piter;  in show_partition()  local
1066 	disk_part_iter_init(&piter, sgp, DISK_PITER_INCL_PART0);  in show_partition()
1067 	while ((part = disk_part_iter_next(&piter)))  in show_partition()
1072 	disk_part_iter_exit(&piter);  in show_partition()
1368 	struct disk_part_iter piter;  in diskstats_show()  local
1381 	disk_part_iter_init(&piter, gp, DISK_PITER_INCL_EMPTY_PART0);  in diskstats_show()
1382 	while ((hd = disk_part_iter_next(&piter))) {  in diskstats_show()
1408 	disk_part_iter_exit(&piter);  in diskstats_show()
1579 	struct disk_part_iter piter;  in set_disk_ro()  local
1587 	disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY);  in set_disk_ro()
1588 	while ((part = disk_part_iter_next(&piter)))  in set_disk_ro()
1590 	disk_part_iter_exit(&piter);  in set_disk_ro()