code: func (fs *Goofys) GetFullName(id fuseops.InodeID) *string {
  	fs.mu.Lock()
  	inode := fs.inodes[id]
  	fs.mu.Unlock()
  	if inode == nil {
  		return nil
  	}
  	return inode.FullName()
  
  }
docs: // GetFullName returns full name of the given inode