1683 	struct dm_zone *dzone, *bzone;  in dmz_load_mapping()  local
1720 		dzone = dmz_get(zmd, dzone_id);  in dmz_load_mapping()
1721 		if (!dzone) {  in dmz_load_mapping()
1726 		set_bit(DMZ_DATA, &dzone->flags);  in dmz_load_mapping()
1727 		dzone->chunk = chunk;  in dmz_load_mapping()
1728 		dmz_get_zone_weight(zmd, dzone);  in dmz_load_mapping()
1730 		if (dmz_is_cache(dzone))  in dmz_load_mapping()
1731 			list_add_tail(&dzone->link, &zmd->map_cache_list);  in dmz_load_mapping()
1732 		else if (dmz_is_rnd(dzone))  in dmz_load_mapping()
1733 			list_add_tail(&dzone->link, &dzone->dev->map_rnd_list);  in dmz_load_mapping()
1735 			list_add_tail(&dzone->link, &dzone->dev->map_seq_list);  in dmz_load_mapping()
1763 		bzone->bzone = dzone;  in dmz_load_mapping()
1764 		dzone->bzone = bzone;  in dmz_load_mapping()
1783 		dzone = dmz_get(zmd, i);  in dmz_load_mapping()
1784 		if (!dzone)  in dmz_load_mapping()
1786 		if (dmz_is_meta(dzone))  in dmz_load_mapping()
1788 		if (dmz_is_offline(dzone))  in dmz_load_mapping()
1791 		if (dmz_is_cache(dzone))  in dmz_load_mapping()
1793 		else if (dmz_is_rnd(dzone))  in dmz_load_mapping()
1794 			dzone->dev->nr_rnd++;  in dmz_load_mapping()
1796 			dzone->dev->nr_seq++;  in dmz_load_mapping()
1798 		if (dmz_is_data(dzone)) {  in dmz_load_mapping()
1804 		set_bit(DMZ_DATA, &dzone->flags);  in dmz_load_mapping()
1805 		dzone->chunk = DMZ_MAP_UNMAPPED;  in dmz_load_mapping()
1806 		if (dmz_is_cache(dzone)) {  in dmz_load_mapping()
1807 			list_add_tail(&dzone->link, &zmd->unmap_cache_list);  in dmz_load_mapping()
1809 		} else if (dmz_is_rnd(dzone)) {  in dmz_load_mapping()
1810 			list_add_tail(&dzone->link,  in dmz_load_mapping()
1811 				      &dzone->dev->unmap_rnd_list);  in dmz_load_mapping()
1812 			atomic_inc(&dzone->dev->unmap_nr_rnd);  in dmz_load_mapping()
1814 			list_add_tail(&dzone->link, &zmd->reserved_seq_zones_list);  in dmz_load_mapping()
1815 			set_bit(DMZ_RESERVED, &dzone->flags);  in dmz_load_mapping()
1817 			dzone->dev->nr_seq--;  in dmz_load_mapping()
1819 			list_add_tail(&dzone->link,  in dmz_load_mapping()
1820 				      &dzone->dev->unmap_seq_list);  in dmz_load_mapping()
1821 			atomic_inc(&dzone->dev->unmap_nr_seq);  in dmz_load_mapping()
1941 	struct dm_zone *dzone = NULL;  in dmz_get_rnd_zone_for_reclaim()  local
1960 			dzone = zone->bzone;  in dmz_get_rnd_zone_for_reclaim()
1961 			if (dmz_is_rnd(dzone) && dzone->dev->dev_idx != idx)  in dmz_get_rnd_zone_for_reclaim()
1963 			if (!maxw_z || maxw_z->weight < dzone->weight)  in dmz_get_rnd_zone_for_reclaim()
1964 				maxw_z = dzone;  in dmz_get_rnd_zone_for_reclaim()
1966 			dzone = zone;  in dmz_get_rnd_zone_for_reclaim()
1967 			if (dmz_lock_zone_reclaim(dzone))  in dmz_get_rnd_zone_for_reclaim()
1968 				return dzone;  in dmz_get_rnd_zone_for_reclaim()
1982 			dzone = zone->bzone;  in dmz_get_rnd_zone_for_reclaim()
1983 			if (dmz_is_rnd(dzone) && dzone->dev->dev_idx != idx)  in dmz_get_rnd_zone_for_reclaim()
1986 			dzone = zone;  in dmz_get_rnd_zone_for_reclaim()
1987 		if (dmz_lock_zone_reclaim(dzone))  in dmz_get_rnd_zone_for_reclaim()
1988 			return dzone;  in dmz_get_rnd_zone_for_reclaim()
2051 	struct dm_zone *dzone = NULL;  in dmz_get_chunk_mapping()  local
2068 		dzone = dmz_alloc_zone(zmd, 0, alloc_flags);  in dmz_get_chunk_mapping()
2069 		if (!dzone) {  in dmz_get_chunk_mapping()
2071 				dzone = ERR_PTR(-EIO);  in dmz_get_chunk_mapping()
2078 		dmz_map_zone(zmd, dzone, chunk);  in dmz_get_chunk_mapping()
2082 		dzone = dmz_get(zmd, dzone_id);  in dmz_get_chunk_mapping()
2083 		if (!dzone) {  in dmz_get_chunk_mapping()
2084 			dzone = ERR_PTR(-EIO);  in dmz_get_chunk_mapping()
2087 		if (dzone->chunk != chunk) {  in dmz_get_chunk_mapping()
2088 			dzone = ERR_PTR(-EIO);  in dmz_get_chunk_mapping()
2093 		if (dmz_seq_write_err(dzone)) {  in dmz_get_chunk_mapping()
2094 			ret = dmz_handle_seq_write_err(zmd, dzone);  in dmz_get_chunk_mapping()
2096 				dzone = ERR_PTR(-EIO);  in dmz_get_chunk_mapping()
2099 			clear_bit(DMZ_SEQ_WRITE_ERR, &dzone->flags);  in dmz_get_chunk_mapping()
2108 	if (dmz_in_reclaim(dzone)) {  in dmz_get_chunk_mapping()
2109 		dmz_wait_for_reclaim(zmd, dzone);  in dmz_get_chunk_mapping()
2112 	dmz_activate_zone(dzone);  in dmz_get_chunk_mapping()
2113 	dmz_lru_zone(zmd, dzone);  in dmz_get_chunk_mapping()
2117 	return dzone;  in dmz_get_chunk_mapping()
2126 void dmz_put_chunk_mapping(struct dmz_metadata *zmd, struct dm_zone *dzone)  in dmz_put_chunk_mapping()  argument
2132 	bzone = dzone->bzone;  in dmz_put_chunk_mapping()
2145 	dmz_deactivate_zone(dzone);  in dmz_put_chunk_mapping()
2146 	if (dmz_is_active(dzone) || bzone || dmz_weight(dzone))  in dmz_put_chunk_mapping()
2147 		dmz_lru_zone(zmd, dzone);  in dmz_put_chunk_mapping()
2150 		dmz_unmap_zone(zmd, dzone);  in dmz_put_chunk_mapping()
2151 		dmz_free_zone(zmd, dzone);  in dmz_put_chunk_mapping()
2162 				     struct dm_zone *dzone)  in dmz_get_chunk_buffer()  argument
2169 	bzone = dzone->bzone;  in dmz_get_chunk_buffer()
2185 	dmz_set_chunk_mapping(zmd, dzone->chunk, dzone->id, bzone->id);  in dmz_get_chunk_buffer()
2188 	bzone->chunk = dzone->chunk;  in dmz_get_chunk_buffer()
2189 	bzone->bzone = dzone;  in dmz_get_chunk_buffer()
2190 	dzone->bzone = bzone;  in dmz_get_chunk_buffer()
2309 void dmz_map_zone(struct dmz_metadata *zmd, struct dm_zone *dzone,  in dmz_map_zone()  argument
2313 	dmz_set_chunk_mapping(zmd, chunk, dzone->id,  in dmz_map_zone()
2315 	dzone->chunk = chunk;  in dmz_map_zone()
2316 	if (dmz_is_cache(dzone))  in dmz_map_zone()
2317 		list_add_tail(&dzone->link, &zmd->map_cache_list);  in dmz_map_zone()
2318 	else if (dmz_is_rnd(dzone))  in dmz_map_zone()
2319 		list_add_tail(&dzone->link, &dzone->dev->map_rnd_list);  in dmz_map_zone()
2321 		list_add_tail(&dzone->link, &dzone->dev->map_seq_list);  in dmz_map_zone()