Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754010AbbHXHSi (ORCPT ); Mon, 24 Aug 2015 03:18:38 -0400 Received: from mga14.intel.com ([192.55.52.115]:51013 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932100AbbHXHSg (ORCPT ); Mon, 24 Aug 2015 03:18:36 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,736,1432623600"; d="scan'208";a="547337145" Message-ID: <1440400689.15510.30.camel@gmail.com> Subject: Re: [PATCH 2/2] ubifs: Allow O_DIRECT From: Artem Bityutskiy Reply-To: dedekind1@gmail.com To: Richard Weinberger , Dongsheng Yang , linux-mtd@lists.infradead.org Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Date: Mon, 24 Aug 2015 10:18:09 +0300 In-Reply-To: <1440074048.31419.204.camel@gmail.com> 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> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.5 (3.16.5-1.fc22) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 988 Lines: 26 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? Artem. -- 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/