Method GetRequiredBufferAlignment

env/env_encryption.cc:325–327

Use the returned alignment value to allocate aligned buffer for Direct I/O

  // Use the returned alignment value to allocate
  // aligned buffer for Direct I/O
  virtual size_t GetRequiredBufferAlignment() const override { 
    return file_->GetRequiredBufferAlignment(); 
  }

  // Write bytes in `data` at  offset `offset`, Returns Status::OK() on success.
  // Pass aligned buffer when use_direct_io() returns true.