From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754885Ab2BPTEt (ORCPT ); Thu, 16 Feb 2012 14:04:49 -0500 Received: from mail.hq.newdream.net ([66.33.206.127]:57351 "EHLO mail.hq.newdream.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752014Ab2BPTEq (ORCPT ); Thu, 16 Feb 2012 14:04:46 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=dreamhost.com; h=message-id :subject:from:reply-to:to:cc:date:in-reply-to:references :content-type:content-transfer-encoding:mime-version; q=dns; s= dreamhost.com; b=dkpYqgnHDgiYEpwpcQA0SF1SjSz39azyMsMKcSyuANrLj1H bEMph+2QZpbdS9PVxD4YZBeRkzmaux0b7kKq/DW0yr6DPRkv+cNrubsmjkoZziql MOLlHOGHesDECZPSuK6dcaXN/Xi9V9hZesBg2NLmmdzFinw6zi4ZGTvCi7EQ= Message-ID: <1329419084.3121.39.camel@doink> Subject: Re: [PATCH 09/11] sysfs: Push file_update_time() into bin_page_mkwrite() From: Alex Elder Reply-To: elder@dreamhost.com To: Jan Kara Cc: LKML , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Eric Sandeen , Dave Chinner , Greg Kroah-Hartman Date: Thu, 16 Feb 2012 13:04:44 -0600 In-Reply-To: <1329399979-3647-10-git-send-email-jack@suse.cz> References: <1329399979-3647-1-git-send-email-jack@suse.cz> <1329399979-3647-10-git-send-email-jack@suse.cz> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.2- Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2012-02-16 at 14:46 +0100, Jan Kara wrote: > CC: Greg Kroah-Hartman > Signed-off-by: Jan Kara > --- > fs/sysfs/bin.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c > index a475983..6ceb16f 100644 > --- a/fs/sysfs/bin.c > +++ b/fs/sysfs/bin.c > @@ -225,6 +225,8 @@ static int bin_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) > if (!sysfs_get_active(attr_sd)) > return VM_FAULT_SIGBUS; > > + file_update_time(file); > + > ret = 0; > if (bb->vm_ops->page_mkwrite) > ret = bb->vm_ops->page_mkwrite(vma, vmf); If the filesystem's page_mkwrite() function is responsible for updating the time, can't the call to file_update_time() here be conditional? I.e: ret = 0; if (bb->vm_ops->page_mkwrite) ret = bb->vm_ops->page_mkwrite(vma, vmf); else file_update_time(file); -Alex