1687 	struct dm_zone *dzone, *bzone;  in dmz_load_mapping()  local
1724 		dzone = dmz_get(zmd, dzone_id);  in dmz_load_mapping()
1725 		if (!dzone) {  in dmz_load_mapping()
1730 		set_bit(DMZ_DATA, &dzone->flags);  in dmz_load_mapping()
1731 		dzone->chunk = chunk;  in dmz_load_mapping()
1732 		dmz_get_zone_weight(zmd, dzone);  in dmz_load_mapping()
1734 		if (dmz_is_cache(dzone))  in dmz_load_mapping()
1735 			list_add_tail(&dzone->link, &zmd->map_cache_list);  in dmz_load_mapping()
1736 		else if (dmz_is_rnd(dzone))  in dmz_load_mapping()
1737 			list_add_tail(&dzone->link, &dzone->dev->map_rnd_list);  in dmz_load_mapping()
1739 			list_add_tail(&dzone->link, &dzone->dev->map_seq_list);  in dmz_load_mapping()
1767 		bzone->bzone = dzone;  in dmz_load_mapping()
1768 		dzone->bzone = bzone;  in dmz_load_mapping()
1787 		dzone = dmz_get(zmd, i);  in dmz_load_mapping()
1788 		if (!dzone)  in dmz_load_mapping()
1790 		if (dmz_is_meta(dzone))  in dmz_load_mapping()
1792 		if (dmz_is_offline(dzone))  in dmz_load_mapping()
1795 		if (dmz_is_cache(dzone))  in dmz_load_mapping()
1797 		else if (dmz_is_rnd(dzone))  in dmz_load_mapping()
1798 			dzone->dev->nr_rnd++;  in dmz_load_mapping()
1800 			dzone->dev->nr_seq++;  in dmz_load_mapping()
1802 		if (dmz_is_data(dzone)) {  in dmz_load_mapping()
1808 		set_bit(DMZ_DATA, &dzone->flags);  in dmz_load_mapping()
1809 		dzone->chunk = DMZ_MAP_UNMAPPED;  in dmz_load_mapping()
1810 		if (dmz_is_cache(dzone)) {  in dmz_load_mapping()
1811 			list_add_tail(&dzone->link, &zmd->unmap_cache_list);  in dmz_load_mapping()
1813 		} else if (dmz_is_rnd(dzone)) {  in dmz_load_mapping()
1814 			list_add_tail(&dzone->link,  in dmz_load_mapping()
1815 				      &dzone->dev->unmap_rnd_list);  in dmz_load_mapping()
1816 			atomic_inc(&dzone->dev->unmap_nr_rnd);  in dmz_load_mapping()
1818 			list_add_tail(&dzone->link, &zmd->reserved_seq_zones_list);  in dmz_load_mapping()
1819 			set_bit(DMZ_RESERVED, &dzone->flags);  in dmz_load_mapping()
1821 			dzone->dev->nr_seq--;  in dmz_load_mapping()
1823 			list_add_tail(&dzone->link,  in dmz_load_mapping()
1824 				      &dzone->dev->unmap_seq_list);  in dmz_load_mapping()
1825 			atomic_inc(&dzone->dev->unmap_nr_seq);  in dmz_load_mapping()
1945 	struct dm_zone *dzone = NULL;  in dmz_get_rnd_zone_for_reclaim()  local
1964 			dzone = zone->bzone;  in dmz_get_rnd_zone_for_reclaim()
1965 			if (dmz_is_rnd(dzone) && dzone->dev->dev_idx != idx)  in dmz_get_rnd_zone_for_reclaim()
1967 			if (!maxw_z || maxw_z->weight < dzone->weight)  in dmz_get_rnd_zone_for_reclaim()
1968 				maxw_z = dzone;  in dmz_get_rnd_zone_for_reclaim()
1970 			dzone = zone;  in dmz_get_rnd_zone_for_reclaim()
1971 			if (dmz_lock_zone_reclaim(dzone))  in dmz_get_rnd_zone_for_reclaim()
1972 				return dzone;  in dmz_get_rnd_zone_for_reclaim()
1986 			dzone = zone->bzone;  in dmz_get_rnd_zone_for_reclaim()
1987 			if (dmz_is_rnd(dzone) && dzone->dev->dev_idx != idx)  in dmz_get_rnd_zone_for_reclaim()
1990 			dzone = zone;  in dmz_get_rnd_zone_for_reclaim()
1991 		if (dmz_lock_zone_reclaim(dzone))  in dmz_get_rnd_zone_for_reclaim()
1992 			return dzone;  in dmz_get_rnd_zone_for_reclaim()
2054 	struct dm_zone *dzone = NULL;  in dmz_get_chunk_mapping()  local
2071 		dzone = dmz_alloc_zone(zmd, 0, alloc_flags);  in dmz_get_chunk_mapping()
2072 		if (!dzone) {  in dmz_get_chunk_mapping()
2074 				dzone = ERR_PTR(-EIO);  in dmz_get_chunk_mapping()
2081 		dmz_map_zone(zmd, dzone, chunk);  in dmz_get_chunk_mapping()
2085 		dzone = dmz_get(zmd, dzone_id);  in dmz_get_chunk_mapping()
2086 		if (!dzone) {  in dmz_get_chunk_mapping()
2087 			dzone = ERR_PTR(-EIO);  in dmz_get_chunk_mapping()
2090 		if (dzone->chunk != chunk) {  in dmz_get_chunk_mapping()
2091 			dzone = ERR_PTR(-EIO);  in dmz_get_chunk_mapping()
2096 		if (dmz_seq_write_err(dzone)) {  in dmz_get_chunk_mapping()
2097 			ret = dmz_handle_seq_write_err(zmd, dzone);  in dmz_get_chunk_mapping()
2099 				dzone = ERR_PTR(-EIO);  in dmz_get_chunk_mapping()
2102 			clear_bit(DMZ_SEQ_WRITE_ERR, &dzone->flags);  in dmz_get_chunk_mapping()
2111 	if (dmz_in_reclaim(dzone)) {  in dmz_get_chunk_mapping()
2112 		dmz_wait_for_reclaim(zmd, dzone);  in dmz_get_chunk_mapping()
2115 	dmz_activate_zone(dzone);  in dmz_get_chunk_mapping()
2116 	dmz_lru_zone(zmd, dzone);  in dmz_get_chunk_mapping()
2120 	return dzone;  in dmz_get_chunk_mapping()
2129 void dmz_put_chunk_mapping(struct dmz_metadata *zmd, struct dm_zone *dzone)  in dmz_put_chunk_mapping()  argument
2135 	bzone = dzone->bzone;  in dmz_put_chunk_mapping()
2148 	dmz_deactivate_zone(dzone);  in dmz_put_chunk_mapping()
2149 	if (dmz_is_active(dzone) || bzone || dmz_weight(dzone))  in dmz_put_chunk_mapping()
2150 		dmz_lru_zone(zmd, dzone);  in dmz_put_chunk_mapping()
2153 		dmz_unmap_zone(zmd, dzone);  in dmz_put_chunk_mapping()
2154 		dmz_free_zone(zmd, dzone);  in dmz_put_chunk_mapping()
2165 				     struct dm_zone *dzone)  in dmz_get_chunk_buffer()  argument
2172 	bzone = dzone->bzone;  in dmz_get_chunk_buffer()
2188 	dmz_set_chunk_mapping(zmd, dzone->chunk, dzone->id, bzone->id);  in dmz_get_chunk_buffer()
2191 	bzone->chunk = dzone->chunk;  in dmz_get_chunk_buffer()
2192 	bzone->bzone = dzone;  in dmz_get_chunk_buffer()
2193 	dzone->bzone = bzone;  in dmz_get_chunk_buffer()
2312 void dmz_map_zone(struct dmz_metadata *zmd, struct dm_zone *dzone,  in dmz_map_zone()  argument
2316 	dmz_set_chunk_mapping(zmd, chunk, dzone->id,  in dmz_map_zone()
2318 	dzone->chunk = chunk;  in dmz_map_zone()
2319 	if (dmz_is_cache(dzone))  in dmz_map_zone()
2320 		list_add_tail(&dzone->link, &zmd->map_cache_list);  in dmz_map_zone()
2321 	else if (dmz_is_rnd(dzone))  in dmz_map_zone()
2322 		list_add_tail(&dzone->link, &dzone->dev->map_rnd_list);  in dmz_map_zone()
2324 		list_add_tail(&dzone->link, &dzone->dev->map_seq_list);  in dmz_map_zone()