Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946453AbWJ0MNe (ORCPT ); Fri, 27 Oct 2006 08:13:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1946454AbWJ0MNe (ORCPT ); Fri, 27 Oct 2006 08:13:34 -0400 Received: from mx1.redhat.com ([66.187.233.31]:4521 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1946453AbWJ0MNd (ORCPT ); Fri, 27 Oct 2006 08:13:33 -0400 From: David Howells In-Reply-To: <4541F2A3.8050004@sw.ru> References: <4541F2A3.8050004@sw.ru> <4541BDE2.6050703@sw.ru> <45409DD5.7050306@sw.ru> <453F6D90.4060106@sw.ru> <453F58FB.4050407@sw.ru> <20792.1161784264@redhat.com> <21393.1161786209@redhat.com> <19898.1161869129@redhat.com> <22562.1161945769@redhat.com> To: Vasily Averin Cc: Neil Brown , Jan Blunck , Olaf Hering , Balbir Singh , Kirill Korotaev , Linux Kernel Mailing List , devel@openvz.org, Andrew Morton Subject: Re: [Q] missing unused dentry in prune_dcache()? X-Mailer: MH-E 8.0; nmh 1.1; GNU Emacs 22.0.50 Date: Fri, 27 Oct 2006 13:11:21 +0100 Message-ID: <24249.1161951081@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1230 Lines: 34 Vasily Averin wrote: > > Vasily Averin wrote: > >> Therefore I believe that my patch is optimal solution. > > I'm not sure that prune_dcache() is particularly optimal. > > I means that my patch is optimal for problem in subject. I didn't say it wasn't. > I would like to ask you to approve it and we will go to next issue. I did ack it didn't I? I must fix my mail client so that it doesn't automatically remove my email address from the To/Cc fields when I'm replying to a message:-/ > We have seen that umount (and remount) can work very slowly, it was cycled > inside shrink_dcache_sb() up to several hours with taken s_umount semaphore. umount at least should be fixed as that should no longer use shrink_dcache_sb(). > We are trying to resolve this issue by using per-sb lru list. I'm preparing > the patch for 2.6.19-rc3 right now and going to send it soon. That sounds tricky; you have to check all your LRU lists to find the LRU dentry. David - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/