static bool space_cache_v1_done(struct btrfs_block_group *cache)
{
	bool ret;

	spin_lock(&cache->lock);
	ret = cache->cached != BTRFS_CACHE_FAST;
	spin_unlock(&cache->lock);

	return ret;
}
static bool space_cache_v1_done(struct btrfs_block_group *cache)
{
	bool ret;

	spin_lock(&cache->lock);
	ret = cache->cached != BTRFS_CACHE_FAST;
	spin_unlock(&cache->lock);

	return ret;
}