code: public OutputStream create(String src,
        boolean overwrite,
        short replication,
        long blockSize,
        Progressable progress,
        int buffersize
        ) throws IOException {
      return create(src, FsPermission.getDefault(),
          overwrite, replication, blockSize, progress, buffersize);
    }
docs: Call
  {@link #create(String,FsPermission,boolean,short,long,Progressable,int)}
  with default permission.
  @see FsPermission#getDefault()