Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751889AbXBVVEg (ORCPT ); Thu, 22 Feb 2007 16:04:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751892AbXBVVEf (ORCPT ); Thu, 22 Feb 2007 16:04:35 -0500 Received: from pat.uio.no ([129.240.10.15]:34095 "EHLO pat.uio.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751889AbXBVVEe (ORCPT ); Thu, 22 Feb 2007 16:04:34 -0500 Subject: Re: [PATCH] update ctime and mtime for mmaped write From: Trond Myklebust To: Miklos Szeredi Cc: staubach@redhat.com, akpm@linux-foundation.org, hugh@veritas.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org In-Reply-To: References: <20070221202615.a0a167f4.akpm@linux-foundation.org> <45DDD55F.4060106@redhat.com> <45DDF9C1.4090003@redhat.com> Content-Type: text/plain Date: Thu, 22 Feb 2007 16:04:13 -0500 Message-Id: <1172178253.6382.12.camel@heimdal.trondhjem.org> Mime-Version: 1.0 X-Mailer: Evolution 2.9.91 Content-Transfer-Encoding: 7bit X-UiO-Resend: resent X-UiO-Spam-info: not spam, SpamAssassin (score=0.0, required=12.0, autolearn=disabled, none) X-UiO-Scanned: 57AD9C5D5C402079CA8A28C01644BDCD2B745C3D X-UiO-SPAM-Test: remote_host: 129.240.10.9 spam_score: 0 maxlevel 200 minaction 2 bait 0 mail/h: 77 total 29363 max/h 2155 blacklist 0 greylist 0 ratelimit 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 718 Lines: 18 On Thu, 2007-02-22 at 21:48 +0100, Miklos Szeredi wrote: > > This still does not address the situation where a file is 'permanently' > > mmap'd, does it? > > So? If application doesn't do msync, then the file times won't be > updated. That's allowed by the standard, and so portable applications > will have to call msync. It is allowed, but it is clearly not useful behaviour. Nowhere is it set in stone that we should be implementing just the minimum allowed. Trond - 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/