From mboxrd@z Thu Jan 1 00:00:00 1970 From: Artem Bityutskiy Subject: Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem Date: Sun, 14 Jun 2009 14:08:32 +0300 Message-ID: <4A34DA30.1080201@gmail.com> References: <4A33A7A2.1050608@gmail.com> <20090613155957.GA16220@shareable.org> <4A34A394.5040509@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <4A34A394.5040509@gmail.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="utf-8"; format="flowed" To: Marco Cc: Jamie Lokier , Linux Embedded , Linux Kernel , Linux FS Devel , Daniel Walker Marco wrote: > To enable direct > I/O at all times for all regular files requires either that > applications be modified to include the O_DIRECT flag on all file > opens, or that a new filesystem be used that always performs direc= t > I/O by default." This could be done as well by just introducing a "direct_io_only" mount option to a file-system which would need this feature. --=20 Best Regards, Artem Bityutskiy (=D0=90=D1=80=D1=82=D1=91=D0=BC =D0=91=D0=B8=D1=82=D1=8E= =D1=86=D0=BA=D0=B8=D0=B9) -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel= " in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757435AbZFNLJ6 (ORCPT ); Sun, 14 Jun 2009 07:09:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753784AbZFNLJy (ORCPT ); Sun, 14 Jun 2009 07:09:54 -0400 Received: from smtp.nokia.com ([192.100.122.230]:42158 "EHLO mgw-mx03.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752457AbZFNLJx (ORCPT ); Sun, 14 Jun 2009 07:09:53 -0400 Message-ID: <4A34DA30.1080201@gmail.com> Date: Sun, 14 Jun 2009 14:08:32 +0300 From: Artem Bityutskiy User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Marco CC: Jamie Lokier , Linux Embedded , Linux Kernel , Linux FS Devel , Daniel Walker Subject: Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem References: <4A33A7A2.1050608@gmail.com> <20090613155957.GA16220@shareable.org> <4A34A394.5040509@gmail.com> In-Reply-To: <4A34A394.5040509@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-OriginalArrivalTime: 14 Jun 2009 11:08:39.0364 (UTC) FILETIME=[78676040:01C9ECE0] X-Nokia-AV: Clean Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Marco wrote: > To enable direct > I/O at all times for all regular files requires either that > applications be modified to include the O_DIRECT flag on all file > opens, or that a new filesystem be used that always performs direct > I/O by default." This could be done as well by just introducing a "direct_io_only" mount option to a file-system which would need this feature. -- Best Regards, Artem Bityutskiy (Артём Битюцкий)