Received: by 10.223.176.5 with SMTP id f5csp1971940wra; Wed, 31 Jan 2018 14:30:37 -0800 (PST) X-Google-Smtp-Source: AH8x2270SwejToOPiqA8A+TDPP536oZPvDPaAut+CBbUzdILGfmaHpuLGcGkBk+tTeCC74nK5r4j X-Received: by 10.101.82.134 with SMTP id y6mr28596499pgp.101.1517437837813; Wed, 31 Jan 2018 14:30:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517437837; cv=none; d=google.com; s=arc-20160816; b=kMWGFx06n9avyKAOzuQShNWtH5AzGPPdIZYzyrK1IrMDbOjX/UdxFM25uAeaVjJHdN xKsg6rAhAE9Z1QJZCfn5CHxFSn40Z+IshQ+gPMh6tfXKBcU/XcDyTXB1Ocht5oXyMKCk Uw77qTNZq9VUkcRhMjMKrJrzGmXhcIX59Uc5aqorDXE+BGGRoYJlM8JKTSHhQdSbHaGD Zl2twM+IojxMNoWMqtlY4ZBUuz19WTgluCul/o3SW9z8ulUEPaBz3dfDIUiJJyUSijoY 2AEnnoDsYMLhEy/9SqxSqffkry3v8D+3+MImNqvKdVaaqR9hTZ5RyvZBEFayxELzSCil Nu4w== 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:dmarc-filter:arc-authentication-results; bh=xmSfESWJ6IyaMSetKzirQ/hBDgNA36ZK+BGQSLg6N4Q=; b=jEWx4nsNqYQSDm452tx9xSjscICjHTqRKFxMJNzdMqO5kWwlbmPTA/YYQB2UVbAIGD aI/tKx3S87H98F/Qob0IPpTUh1PRXXHxDE0GpHHB6TQc8Xq8mXnphIctpUgV8fgSt3+N fyhY10RWl33gzsdmdyOeLRQ+NBaDpNhcxdEYaVdG5tJPgT1cNLcXVQN+HbqHDOo2Z2+r QZa9TmHxg/m7ZBMkZ9/cky47kiWqVnrVmbsu2zxQKFtMm6FEM1RcbW2D7A/4ddivF8+e eda2go6Fhamamjvd6gqQh0a60HO9gd9jsvIS5nVDl2czxDAa8I+SJm4nrh80jMiYXEFs y+pg== ARC-Authentication-Results: i=1; mx.google.com; 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 f80si385141pfa.111.2018.01.31.14.30.22; Wed, 31 Jan 2018 14:30:37 -0800 (PST) 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; 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 S1751738AbeAaW36 (ORCPT + 99 others); Wed, 31 Jan 2018 17:29:58 -0500 Received: from mail.kernel.org ([198.145.29.99]:58406 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751608AbeAaW35 (ORCPT ); Wed, 31 Jan 2018 17:29:57 -0500 Received: from localhost (unknown [104.132.0.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 62B9221720; Wed, 31 Jan 2018 22:19:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 62B9221720 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=jaegeuk@kernel.org Date: Wed, 31 Jan 2018 14:19:57 -0800 From: Jaegeuk Kim To: Hyunchul Lee Cc: Chao Yu , linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, kernel-team@lge.com, Hyunchul Lee Subject: Re: [PATCH v2 3/3] f2fs: Add the 'whint_mode' mount option to f2fs documentation Message-ID: <20180131221957.GD12901@jaegeuk-macbookpro.roam.corp.google.com> References: <1517366219-22166-1-git-send-email-hyc.lee@gmail.com> <1517366219-22166-4-git-send-email-hyc.lee@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1517366219-22166-4-git-send-email-hyc.lee@gmail.com> User-Agent: Mutt/1.8.2 (2017-04-18) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Hyunchul, I've added the policy in the Doc as wel. Thanks, On 01/31, Hyunchul Lee wrote: > From: Hyunchul Lee > > Signed-off-by: Hyunchul Lee > --- > Documentation/filesystems/f2fs.txt | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt > index 13c2ff0..414a160 100644 > --- a/Documentation/filesystems/f2fs.txt > +++ b/Documentation/filesystems/f2fs.txt > @@ -174,6 +174,12 @@ offgrpjquota Turn off group journelled quota. > offprjjquota Turn off project journelled quota. > quota Enable plain user disk quota accounting. > noquota Disable all plain disk quota option. > +whint_mode=%s Control which write hints are passed down to block > + layer. This supports "off", "user-based", and > + "fs-based". In "off" mode (default), f2fs does not pass > + down hints. In "user-based" mode, f2fs tries to pass > + down hints given by users. And in "fs-based" mode, f2fs > + passes down hints with its policy. > > ================================================================================ > DEBUGFS ENTRIES > -- > 1.9.1