code: public void abortTempBlockMeta(TempBlockMeta tempBlockMeta) throws BlockDoesNotExistException {
      StorageDir dir = tempBlockMeta.getParentDir();
      dir.removeTempBlockMeta(tempBlockMeta);
    }
docs: Aborts a temp block.
  
  @param tempBlockMeta the metadata of the temp block to add
  @throws BlockDoesNotExistException when block can not be found