raid_map_disk_data
struct raid_map_disk_data *dd = &map->data[0];
struct raid_map_disk_data *dd = &map_buff->data[0];
struct raid_map_disk_data *dd = &map->data[0];
struct raid_map_disk_data data[RAID_MAP_MAX_ENTRIES];
struct raid_map_disk_data disk_data[RAID_MAP_MAX_ENTRIES];