presto-hive/src/main/java/io/prestosql/plugin/hive/s3/PrestoS3FileSystem.java/PrestoS3FileSystem/mkdirs
class PrestoS3FileSystem:    @Override
    public boolean mkdirs(Path f, FsPermission permission)
    {
        // no need to do anything for S3
        return true;
    }