Method recycle

src/common/image/image_reader.cpp:252–266

}

void ImageMemoryPool::recycle(bytes&& block) {
    const size_t size = block.size();
    if (size == 0 || !block.is_owner()) {
        return;
    }

    const size_t bucket_size = bucket_size_for_image(size);

    std::lock_guard<std::mutex> lock(mutex_);
    auto& bucket = free_lists_[bucket_size];
    if (bucket.size() >= max_cached_per_size_) {
        return;
    }
    bucket.push_back(std::move(block));
}

ImageReader::ImageReader(size_t max_cached_per_size)
    : memory_pool_(max_cached_per_size) {