Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932688AbbHXIGq (ORCPT ); Mon, 24 Aug 2015 04:06:46 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:44725 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753920AbbHXIGo (ORCPT ); Mon, 24 Aug 2015 04:06:44 -0400 X-IronPort-AV: E=Sophos;i="5.15,520,1432569600"; d="scan'208";a="99948090" Message-ID: <55DACF2B.1020207@cn.fujitsu.com> Date: Mon, 24 Aug 2015 16:00:43 +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: Christoph Hellwig , Artem Bityutskiy CC: Brian Norris , Richard Weinberger , , , 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> <20150820204933.GG74600@google.com> <1440400405.15510.29.camel@gmail.com> <20150824075324.GA28336@infradead.org> <1440403362.15510.39.camel@gmail.com> <20150824080350.GA17815@infradead.org> In-Reply-To: <20150824080350.GA17815@infradead.org> Content-Type: text/plain; charset="ISO-8859-1"; 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: 733 Lines: 20 On 08/24/2015 04:03 PM, Christoph Hellwig wrote: > On Mon, Aug 24, 2015 at 11:02:42AM +0300, Artem Bityutskiy wrote: >> Back when we were writing UBIFS, we did not need direct IO, so we did >> not implement it. But yes, probably someone who cares could just try >> implementing this feature. > > So I think the answer here is to implement a real version insted of > adding hacks to pretend it is supported. Actually, I had a plan for it. But it's for 4.4 or 4.5 in my plan. Yang > . > -- 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/