Method make_path

server/src/server/disk_prefix_cache.cpp:612–614

void DiskPrefixCache::touch(const PrefixHash & hash) {
    std::lock_guard<std::mutex> lock(mu_);
    int idx = find_entry(hash);
    if (idx >= 0) {
        entries_[idx].last_used = now_unix();
    }
}