btrfs_need_stripe_tree_update
use_rst = btrfs_need_stripe_tree_update(fs_info, map->type);
const bool use_rst = btrfs_need_stripe_tree_update(fs_info, rc->block_group->flags);
if (btrfs_need_stripe_tree_update(fs_info, stripe->bg->flags)) {
io_geom.use_rst = btrfs_need_stripe_tree_update(fs_info, map->type);