func (client *peerRESTClient) UpdateMetacacheListing(ctx context.Context, m metacache) (metacache, error) {
	if client == nil {
		return localMetacacheMgr.updateCacheEntry(m)
	}
	resp, err := updateMetacacheListingRPC.Call(ctx, client.gridConn(), &m)
	if err != nil || resp == nil {
		return metacache{}, err
	}
	return *resp, nil
}

}

// updateMetacacheListing will update the metacache listing.
func (o *listPathOptions) updateMetacacheListing(m metacache, rpc *peerRESTClient) (metacache, error) {
	if rpc == nil {
		return localMetacacheMgr.updateCacheEntry(m)
	}
	return rpc.UpdateMetacacheListing(context.Background(), m)
}

func getMetacacheBlockInfo(fi FileInfo, block int) (*metacacheBlock, error) {
	var tmp metacacheBlock