Received: by 2002:a25:f815:0:0:0:0:0 with SMTP id u21csp2485531ybd; Mon, 24 Jun 2019 07:15:15 -0700 (PDT) X-Google-Smtp-Source: APXvYqz7jL+N5Fl4KD0f4kB//H+eUjbUbYgFb5rpxMIP4L24b85ixw+9hvZyfsaliDRdry12h7cF X-Received: by 2002:a65:6245:: with SMTP id q5mr2498319pgv.394.1561385715751; Mon, 24 Jun 2019 07:15:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561385715; cv=none; d=google.com; s=arc-20160816; b=wgmwvNUF9KvYNeUATtsx3q7gVNge004zr7ZQOmNleXqnFaIPkyJ1b0An6aiNDcnidX UwLdTbG1OKN+Do+PRGtXdWLYQBe1mTHS3eOwPx8E5MZaIoOn+KJ2CDpK3gkDcFAGHTMD /rywPO3Sq0DJ2JkAs1ga/3TByZ9DYmu0qWXG/dBSJMlPG0+jEUFvgKBMSU7DAB2ejJYO ahjkRrYy0RXYQ/WGd8fdLMICEzfoJLRqiQ7dUwZN1LOffLewXMvXoXO2GIfhTCYVnMIB 0SwpSVyQ05b16GqAqVJ85Q1kvuvvrQPA4CGyLhtnFt0ES0WhHP1qj4cWunqRC5d+rZvI gDJg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=BUnOoXsQ8vI3qS3szXEDs2fAZTjGRFJUpiAXARiLAvk=; b=dizmcoMZMgkm7Gnh93qaAYi9jPOcq9SSBiOCCIW3UC38ofuA4pzrQc+ro0gnn58xl+ q1PYgmuV2cEA5RDKKIcaX1j47WsEvBGMs/BckhTcf0hP0ZnKWQ5VHdNkKf3SBmPv5vhC zPs1VJ5/h4AgIqBnf2nQ0yIzNO1VAWuIK7BXIyuar9g0mTjSwJ5SDVGOfqD8K02Z4F2e uUykzOFc3VO3MSDpOL/CIXhgIZ54GLwoD+dg4RKgY8ut4OwSzhBM/WZlLmYqH0+a2CwO RVvy8nagXkxRu22B0vj6VAkshBsBt3mmWib+7GXYfeJvmSZCMMyQTITfrUzH2M7uyZhI K9DQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=rsFPGs5h; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x10si11880653pfj.93.2019.06.24.07.15.00; Mon, 24 Jun 2019 07:15:15 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=rsFPGs5h; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730911AbfFXNWq (ORCPT + 99 others); Mon, 24 Jun 2019 09:22:46 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:55908 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728652AbfFXNWq (ORCPT ); Mon, 24 Jun 2019 09:22:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=BUnOoXsQ8vI3qS3szXEDs2fAZTjGRFJUpiAXARiLAvk=; b=rsFPGs5h0yaaPiZwsWI3YkZL0 S+eeHilaw5DqP3wRRFWwZczhNJkLGwjW8cK+fSi6bLTk71+OpS9LOMT/IcLNuwNwKOHIlsH0AZXRV zp8B1CHL4OFFAvvEx1YSTotSJV4sn0b5E80ZQzE2PJ7mgIjh8Lhxl3aKjU1eL49qXQhkM5CBhsRUN uofWzESi8sDOrxFtRGGZ6INRqnHpRq7ZFcPTdRRBZxMQME15tZkfDt21uOE0+ngd3NrQyfEbYuo/W psMsI2feNWLlcfsPV8TlxeSlvX9EjWhfJRQlNsR0rIrylFsw7qRwqR4jjkbIfwCapQLe/a9Uob4IR HP0/KGPIQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.92 #3 (Red Hat Linux)) id 1hfOvl-00074F-FX; Mon, 24 Jun 2019 13:22:45 +0000 Date: Mon, 24 Jun 2019 06:22:45 -0700 From: Christoph Hellwig To: Chao Yu Cc: Jaegeuk Kim , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, Jaegeuk Kim Subject: Re: [f2fs-dev] [PATCH] f2fs: add wsync_mode for sysfs entry Message-ID: <20190624132245.GA12316@infradead.org> References: <20190621180124.82842-1-jaegeuk@kernel.org> <622f5e04-3781-d49a-d65d-a7c244389cb3@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <622f5e04-3781-d49a-d65d-a7c244389cb3@huawei.com> User-Agent: Mutt/1.11.4 (2019-03-13) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Moreover if it makes sense it should be a generic setting. Please Cc Jens who added REQ_BACKGROUND and linux-mm to the cc list so that we can have a good discussion.