code: def get_chunk_meta(self, meta_file):
          
          chunks = self.envs["CHUNKS"]
          if cij.nvme.get_meta(0, chunks * self.envs["CHUNK_META_SIZEOF"], meta_file):
              raise RuntimeError("cij.liblight.get_chunk_meta: fail")
  
          chunk_meta = cij.bin.Buffer(types=self.envs["CHUNK_META_STRUCT"], length=chunks)
          chunk_meta.read(meta_file)
          return chunk_meta
docs: Get chunk meta table