Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 28 Mar 2003 05:39:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 28 Mar 2003 05:39:20 -0500 Received: from [12.47.58.223] ([12.47.58.223]:58925 "EHLO pao-ex01.pao.digeo.com") by vger.kernel.org with ESMTP id ; Fri, 28 Mar 2003 05:39:19 -0500 Date: Fri, 28 Mar 2003 02:51:31 -0800 From: Andrew Morton To: maneesh@in.ibm.com Cc: dipankar@in.ibm.com, Paul.McKenney@us.ibm.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] real_lookup fix Message-Id: <20030328025131.3363ef37.akpm@digeo.com> In-Reply-To: <20030328104043.GA1127@in.ibm.com> References: <20030328104043.GA1127@in.ibm.com> X-Mailer: Sylpheed version 0.8.9 (GTK+ 1.2.10; i586-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 28 Mar 2003 10:50:30.0039 (UTC) FILETIME=[D9691270:01C2F517] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 605 Lines: 16 Maneesh Soni wrote: > > Hi Andrew, > > Here is a patch to use seqlock for real_lookup race with d_lookup as suggested > by Linus. The race condition can result in duplicate dentry when d_lookup > fails due concurrent d_move in some unrelated directory. I was not aware of this race. Could you please explain it in more detail? Thanks. - 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/