Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764044AbYHFJsQ (ORCPT ); Wed, 6 Aug 2008 05:48:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754323AbYHFJpO (ORCPT ); Wed, 6 Aug 2008 05:45:14 -0400 Received: from pmx1.sophos.com ([213.31.172.16]:48898 "EHLO pmx1.sophos.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753150AbYHFJpN (ORCPT ); Wed, 6 Aug 2008 05:45:13 -0400 In-Reply-To: <200808060408.05272.nickpiggin@yahoo.com.au> To: Nick Piggin Cc: Eric Paris , linux-kernel@vger.kernel.org, malware-list@lists.printk.net Subject: Re: [malware-list] [RFC 0/5] [TALPA] Intro to a linux interface for on access scanning MIME-Version: 1.0 X-Mailer: Lotus Notes Release 7.0.2 September 26, 2006 From: tvrtko.ursulin@sophos.com Date: Wed, 6 Aug 2008 10:44:22 +0100 X-MIMETrack: S/MIME Sign by Notes Client on Tvrtko Ursulin/Dev/UK/Sophos(Release 7.0.2|September 26, 2006) at 06/08/2008 10:45:10, Serialize by Notes Client on Tvrtko Ursulin/Dev/UK/Sophos(Release 7.0.2|September 26, 2006) at 06/08/2008 10:45:10, Serialize complete at 06/08/2008 10:45:10, S/MIME Sign failed at 06/08/2008 10:45:10: The cryptographic key was not found, Serialize by Router on Mercury/Servers/Sophos(Release 7.0.3|September 26, 2007) at 06/08/2008 10:44:23, Serialize complete at 06/08/2008 10:44:23 Content-Type: text/plain; charset="US-ASCII" Message-Id: <20080806094515.A6524316920@pmx1.sophos.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1086 Lines: 29 Nick Piggin wrote on 05/08/2008 19:08:05: > On Tuesday 05 August 2008 07:00, Eric Paris wrote: > > 5. Define which filesystems are cacheable and which are not > > This is practically impossible to do completely without rewriting a lot > of code (which will never be accepted). I don't see why it is needed though > as the filesystem cache is supposed to be kept coherent with disk. Problem is with network filesystems. So could it be a flag somewhere per filesystem which would say something like "this filesystem guarantees content of a file cannot change without get_write_access or file_update_time being called locally"? That doesn't sound like a lot of code so what am I missing? Tvrtko Sophos Plc, The Pentagon, Abingdon Science Park, Abingdon, OX14 3YP, United Kingdom. Company Reg No 2096520. VAT Reg No GB 348 3873 20. -- 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/