Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932436AbbHXH0N (ORCPT ); Mon, 24 Aug 2015 03:26:13 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:10514 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752238AbbHXH0L (ORCPT ); Mon, 24 Aug 2015 03:26:11 -0400 X-IronPort-AV: E=Sophos;i="5.15,520,1432569600"; d="scan'208";a="99946514" Message-ID: <55DAC5AB.2070802@cn.fujitsu.com> Date: Mon, 24 Aug 2015 15:20:11 +0800 From: Dongsheng Yang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: , Richard Weinberger , CC: , Subject: Re: [PATCH 2/2] ubifs: Allow O_DIRECT References: <1440016553-26481-1-git-send-email-richard@nod.at> <1440016553-26481-2-git-send-email-richard@nod.at> <55D542C5.6040500@cn.fujitsu.com> <1440070300.31419.202.camel@gmail.com> <55D5BC92.8050903@nod.at> <1440074048.31419.204.camel@gmail.com> <1440400689.15510.30.camel@gmail.com> <55DAC4F6.2020808@cn.fujitsu.com> In-Reply-To: <55DAC4F6.2020808@cn.fujitsu.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.167.226.66] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1827 Lines: 53 On 08/24/2015 03:17 PM, Dongsheng Yang wrote: > On 08/24/2015 03:18 PM, Artem Bityutskiy wrote: >> On Thu, 2015-08-20 at 15:34 +0300, Artem Bityutskiy wrote: >>> On Thu, 2015-08-20 at 13:40 +0200, Richard Weinberger wrote: >>>>> Basically, we need to see what is the "common practice" here, and >>>>> follow it. This requires a small research. What would be the most >>>>> popular Linux FS which does not support direct I/O? Can we check >>>>> what >>>>> it does? >>>> >>>> All popular filesystems seem to support direct IO. >>>> That's the problem, application do not expect O_DIRECT to fail. >>>> >>>> My intention was to do it like exofs: >>> >>> Fair enough, thanks! >>> >>> Signed-off-by: Artem Bityutskiy >> >> Richard, you mention this was suggested by Dave, could you please pint >> to the discussion, if possible? > > http://lists.infradead.org/pipermail/linux-mtd/2015-August/060702.html > > That's in a discussion I want to introduce ubifs into xfstests. And Artem, I cc-ed that discussion to you, maybe you can find it in your Inbox. > > Yang >> >> Artem. >> -- >> 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 >> . >> > > -- > 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/ > . > -- 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/