Method insert

cachelib/navy/block_cache/BlockCache.cpp:282–306

}

Status BlockCache::insert(HashedKey hk,
                          BufferView value,
                          uint8_t /* poolId */,
                          uint32_t /* expiryTime */,
                          uint32_t lastAccessTimeSecs) {
  auto start = getSteadyClock();
  SCOPE_EXIT {
    insertLatency_.trackValue(toMicros(getSteadyClock() - start).count());
  };
  INJECT_PAUSE(pause_blockcache_insert_entry);

  auto allocateRes = allocateForInsert(hk, value.size());
  if (allocateRes.hasError()) {
    return allocateRes.error();
  }
  auto& [desc, slotSize, addr, bufferView] = allocateRes.value();

  // After allocation a region is opened for writing. Until we close it, the
  // region would not be reclaimed and index never gets an invalid entry.
  writeEntry(bufferView, hk, value, false, lastAccessTimeSecs);
  updateIndex(hk.keyHash(), slotSize, addr, /* allowReplace */ true);
  allocator_.close(std::move(desc));
  INJECT_PAUSE(pause_blockcache_insert_done);
  return Status::Ok;
}

bool BlockCache::updateIndex(uint64_t keyHash,
                             uint32_t size,