func: static int raw_inactivate(BlockDriverState *bs)
  
  {
  
      int ret;
  
      uint64_t perm = 0;
  
      uint64_t shared = BLK_PERM_ALL;
  
  
  
      ret = raw_handle_perm_lock(bs, RAW_PL_PREPARE, perm, shared, NULL);
  
      if (ret) {
  
          return ret;
  
      }
  
      raw_handle_perm_lock(bs, RAW_PL_COMMIT, perm, shared, NULL);
  
      return 0;
  
  }
  