|  | The clunk request informs the file server that the current file
    represented by fid is no longer needed by the client. The actual
    file is not removed on the server unless the fid had been opened
    with ORCLOSE. 
    
    
    Once a fid has been clunked, the same fid can be reused in a new
    walk or attach request. 
    
    
    Even if the clunk returns an error, the fid is no longer valid. 
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