From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751161Ab2LVI3i (ORCPT ); Sat, 22 Dec 2012 03:29:38 -0500 Received: from 173-166-109-252-newengland.hfc.comcastbusiness.net ([173.166.109.252]:46109 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750816Ab2LVI3g (ORCPT ); Sat, 22 Dec 2012 03:29:36 -0500 Date: Sat, 22 Dec 2012 03:29:33 -0500 From: Christoph Hellwig To: Andy Lutomirski Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linux FS Devel , Dave Chinner , Jan Kara , Al Viro Subject: Re: [PATCH v2 2/3] mm: Update file times when inodes are written after mmaped writes Message-ID: <20121222082933.GA26477@infradead.org> References: <6b22b806806b21af02b70a2fa860a9d10304fc16.1356124965.git.luto@amacapital.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6b22b806806b21af02b70a2fa860a9d10304fc16.1356124965.git.luto@amacapital.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org NAK, we went through great trouble to get rid of the nasty layering violation where the VM called file_update_time directly just a short while ago, reintroducing that is a massive step back. Make sure whatever "solution" for your problem you come up with keeps the file update in the filesystem or generic helpers.