From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262038AbTLHT42 (ORCPT ); Mon, 8 Dec 2003 14:56:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262040AbTLHT42 (ORCPT ); Mon, 8 Dec 2003 14:56:28 -0500 Received: from pcp05127596pcs.sanarb01.mi.comcast.net ([68.42.103.198]:45701 "EHLO nidelv.trondhjem.org") by vger.kernel.org with ESMTP id S262038AbTLHT4L (ORCPT ); Mon, 8 Dec 2003 14:56:11 -0500 Subject: Re: [NFS client] NFS locks not released on abnormal process termination From: Trond Myklebust To: Philippe Troin Cc: Trond Myklebust , Kenny Simpson , linux-kernel@vger.kernel.org, nfs@lists.sourceforge.net In-Reply-To: <877k17rzai.fsf@ceramic.fifi.org> References: <20031208033933.16136.qmail@web20024.mail.yahoo.com> <877k17rzai.fsf@ceramic.fifi.org> Content-Type: multipart/mixed; boundary="=-oqgWc3Gv82hj8jqjrEkA" Message-Id: <1070913367.2941.137.camel@nidelv.trondhjem.org> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 Date: Mon, 08 Dec 2003 14:56:07 -0500 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-oqgWc3Gv82hj8jqjrEkA Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable P=E5 m=E5 , 08/12/2003 klokka 12:32, skreiv Philippe Troin: > Trond, do you think I should push the patch to Marcelo, or should I > wait for a better fix? No. If I wanted a partial fix, I could just as well have pushed it to Marcelo myself. When I said "feel free" I was referring to pursuing the remaining signalling bugs. I have a feeling the second race case of your test is that you are interrupting the fcntl(F_SETLK) call while it is on the wire. If you do that, then the server may record the lock as taken, but the client will never receive the reply, and so will not know that it must clean up locks... Hmm... For that case, we probably want to have the locking code record the call as having succeeded in order to ensure that we do indeed clear out the lock on process exit. See if the appended patch helps... 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