btrfs_block_group_should_use_size_class
if (btrfs_block_group_should_use_size_class(bg) &&
if (btrfs_block_group_should_use_size_class(cache)) {
if (!btrfs_block_group_should_use_size_class(block_group))
bool btrfs_block_group_should_use_size_class(const struct btrfs_block_group *bg);
if (!btrfs_block_group_should_use_size_class(bg))
if (!btrfs_block_group_should_use_size_class(bg))