From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753250AbbDTXHG (ORCPT ); Mon, 20 Apr 2015 19:07:06 -0400 Received: from domu-toccata.ens-lyon.fr ([140.77.166.138]:54449 "EHLO sonata.ens-lyon.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752646AbbDTXG6 (ORCPT ); Mon, 20 Apr 2015 19:06:58 -0400 X-Greylist: delayed 499 seconds by postgrey-1.27 at vger.kernel.org; Mon, 20 Apr 2015 19:06:57 EDT Date: Tue, 21 Apr 2015 00:58:36 +0200 From: Samuel Thibault To: Al Viro , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: I_CLEAR bug while shrinking dcache Message-ID: <20150420225836.GR3117@type.youpi.perso.aquilenet.fr> Mail-Followup-To: Samuel Thibault , Al Viro , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org References: <20150414081254.GD14691@type.youpi.perso.aquilenet.fr> <20150414124428.GW889@ZenIV.linux.org.uk> <20150414144402.GN3107@type.bordeaux.inria.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20150414144402.GN3107@type.bordeaux.inria.fr> User-Agent: Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Samuel Thibault, le Tue 14 Apr 2015 16:44:02 +0200, a écrit : > Al Viro, le Tue 14 Apr 2015 13:44:29 +0100, a écrit : > > The first variant can happen, but in that case it should have had > > DCACHE_DENTRY_KILLED set by said __dentry_kill() and skipped. The other > > two are clear inode refcounting bugs. > > > > Do you have a reproducer for that? > > It just happened in the middle of the night. I haven't seen it happening again since then. Samuel