From patchwork Wed Jan 31 02:36:59 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hyunchul Lee X-Patchwork-Id: 10193081 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3443F6056E for ; Wed, 31 Jan 2018 02:37:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2835B27C0B for ; Wed, 31 Jan 2018 02:37:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1C6EB283CA; Wed, 31 Jan 2018 02:37:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9CB50283BF for ; Wed, 31 Jan 2018 02:37:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753499AbeAaChW (ORCPT ); Tue, 30 Jan 2018 21:37:22 -0500 Received: from LGEAMRELO12.lge.com ([156.147.23.52]:38151 "EHLO lgeamrelo12.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753331AbeAaChI (ORCPT ); Tue, 30 Jan 2018 21:37:08 -0500 Received: from unknown (HELO lgemrelse6q.lge.com) (156.147.1.121) by 156.147.23.52 with ESMTP; 31 Jan 2018 11:37:07 +0900 X-Original-SENDERIP: 156.147.1.121 X-Original-MAILFROM: hyc.lee@gmail.com Received: from unknown (HELO localhost.localdomain) (10.177.225.35) by 156.147.1.121 with ESMTP; 31 Jan 2018 11:37:06 +0900 X-Original-SENDERIP: 10.177.225.35 X-Original-MAILFROM: hyc.lee@gmail.com From: Hyunchul Lee To: Jaegeuk Kim , Chao Yu Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, kernel-team@lge.com, Hyunchul Lee Subject: [PATCH v2 3/3] f2fs: Add the 'whint_mode' mount option to f2fs documentation Date: Wed, 31 Jan 2018 11:36:59 +0900 Message-Id: <1517366219-22166-4-git-send-email-hyc.lee@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1517366219-22166-1-git-send-email-hyc.lee@gmail.com> References: <1517366219-22166-1-git-send-email-hyc.lee@gmail.com> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Hyunchul Lee Signed-off-by: Hyunchul Lee Reviewed-by: Chao Yu --- 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