1283 	struct dm_zone *dzone, *bzone;  in dmz_load_mapping()  local
1341 		bzone = dmz_get(zmd, bzone_id);  in dmz_load_mapping()
1342 		if (!dmz_is_rnd(bzone)) {  in dmz_load_mapping()
1348 		set_bit(DMZ_DATA, &bzone->flags);  in dmz_load_mapping()
1349 		set_bit(DMZ_BUF, &bzone->flags);  in dmz_load_mapping()
1350 		bzone->chunk = chunk;  in dmz_load_mapping()
1351 		bzone->bzone = dzone;  in dmz_load_mapping()
1352 		dzone->bzone = bzone;  in dmz_load_mapping()
1353 		dmz_get_zone_weight(zmd, bzone);  in dmz_load_mapping()
1354 		list_add_tail(&bzone->link, &zmd->map_rnd_list);  in dmz_load_mapping()
1442 	if (zone->bzone)  in dmz_lru_zone()
1443 		__dmz_lru_zone(zmd, zone->bzone);  in dmz_lru_zone()
1516 			dzone = zone->bzone;  in dmz_get_rnd_zone_for_reclaim()
1537 		if (!zone->bzone)  in dmz_get_seq_zone_for_reclaim()
1675 	struct dm_zone *bzone;  in dmz_put_chunk_mapping()  local
1679 	bzone = dzone->bzone;  in dmz_put_chunk_mapping()
1680 	if (bzone) {  in dmz_put_chunk_mapping()
1681 		if (dmz_weight(bzone))  in dmz_put_chunk_mapping()
1682 			dmz_lru_zone(zmd, bzone);  in dmz_put_chunk_mapping()
1685 			dmz_unmap_zone(zmd, bzone);  in dmz_put_chunk_mapping()
1686 			dmz_free_zone(zmd, bzone);  in dmz_put_chunk_mapping()
1687 			bzone = NULL;  in dmz_put_chunk_mapping()
1693 	if (dmz_is_active(dzone) || bzone || dmz_weight(dzone))  in dmz_put_chunk_mapping()
1711 	struct dm_zone *bzone;  in dmz_get_chunk_buffer()  local
1715 	bzone = dzone->bzone;  in dmz_get_chunk_buffer()
1716 	if (bzone)  in dmz_get_chunk_buffer()
1720 	bzone = dmz_alloc_zone(zmd, DMZ_ALLOC_RND);  in dmz_get_chunk_buffer()
1721 	if (!bzone) {  in dmz_get_chunk_buffer()
1728 			      dmz_id(zmd, bzone));  in dmz_get_chunk_buffer()
1730 	set_bit(DMZ_BUF, &bzone->flags);  in dmz_get_chunk_buffer()
1731 	bzone->chunk = dzone->chunk;  in dmz_get_chunk_buffer()
1732 	bzone->bzone = dzone;  in dmz_get_chunk_buffer()
1733 	dzone->bzone = bzone;  in dmz_get_chunk_buffer()
1734 	list_add_tail(&bzone->link, &zmd->map_rnd_list);  in dmz_get_chunk_buffer()
1738 	return bzone;  in dmz_get_chunk_buffer()
1850 		dzone_id = dmz_id(zmd, zone->bzone);  in dmz_unmap_zone()
1851 		zone->bzone->bzone = NULL;  in dmz_unmap_zone()
1852 		zone->bzone = NULL;  in dmz_unmap_zone()
1859 		if (WARN_ON(zone->bzone)) {  in dmz_unmap_zone()
1860 			zone->bzone->bzone = NULL;  in dmz_unmap_zone()
1861 			zone->bzone = NULL;  in dmz_unmap_zone()