From nobody Wed Apr 8 08:21:32 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B36C5ECAAA1 for ; Mon, 24 Oct 2022 19:25:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232486AbiJXTZn (ORCPT ); Mon, 24 Oct 2022 15:25:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231282AbiJXTXE (ORCPT ); Mon, 24 Oct 2022 15:23:04 -0400 Received: from APC01-PSA-obe.outbound.protection.outlook.com (mail-psaapc01on20714.outbound.protection.outlook.com [IPv6:2a01:111:f400:feae::714]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 90C9B114DC0 for ; Mon, 24 Oct 2022 10:57:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KWY2aZSOOgAMjyOd8TmzZJTFzVVgTY8CKlJY59oZ+oD0Kw3aLl8hOvirCR2//OTWYtbEpCJjSFiLrMDDfH50eopDK4GvecxcDtFHYhLMmrRglTcugZTlfzeu9EAkR4r4L9qpDGOGuetnJ1S1sNDL6ILBCjUFak0bd2U6L825GLY8VVWGjQdl8ONBq2ONlaBAyiXpQpqZq8EmmaTiQyQusQVH4s4ekOGqsFQPAReYpmnG+2hLW10wNWI5uxyhY7jBFMslIu9GIK7H3J2u4iiG2er6agzrqYCL9UCH/cL8F77UaYPRepN6xVBe84OHCjVZzmdILFhNq0oBcK8dhVklDg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=DJuYJRTZDba9KMvD8fVPY2yJ15td7zaIKsDLJAQQWCY=; b=m0tWhbmcirL3PjVsKAI7FWTC/nHFnuVWVVAmmqiCXtFrHvEEyLvfOYu0YXNZMSJCjmYxFORSzLBChQSDrkDJqHYqwUwfXQIvq75QOmnAM2FrJDD9gHMnFXC29heYyWUsbJxzzM15TrvGJC5ise9eMZyJ/KGq7DAXEAcxzOs3NTl6G6Pwti7sd2+ykehkycpx24SyUkJRzy3bL/j8DIQ7WQt3cqINa3KArRnrT08FMiTi+oZjB+hpzDv/ZxdWAHxfMrLhBvnF42PuOhUlsPwh6NE6gtMWfB1jEd0mSTRZKdYw0zpZVo8SQ8gebKpMt+MXT1txRbjQhyagtqXOMfnryg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vivo.com; dmarc=pass action=none header.from=vivo.com; dkim=pass header.d=vivo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vivo.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=DJuYJRTZDba9KMvD8fVPY2yJ15td7zaIKsDLJAQQWCY=; b=pZKdfwm8O6fhiJ/ndH6KPHaz2UmE9hKsni4jPw1S0kK/nGLyzwg48H3R4eyXWp+mBX08yLYiMY39mW30vRHNs+cOlo5WEuT9yCefAdGrAIC8y3nApuC5RlCqCN8r88P8C16FAwdsxo+MHO0rS9BnpsXmtacGc0rMnPwKs6U4NIsSDHLYvpTaV3virON2LqGPBC/bnrHVFRePgCNXyFBfRV3focViqFv/kltTbdZfVtfV0PkojcuoyyFVbWkxfTax9eBIaSjWZY4AyPYRzZcCbh67l5VjvkiI/AauMJDoQKOVnyZbrC6mzFsy94ZanHvIfgVTaeScNxHWZhVlLVDjeA== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com; Received: from SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) by PSAPR06MB3992.apcprd06.prod.outlook.com (2603:1096:301:37::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5746.21; Mon, 24 Oct 2022 17:54:11 +0000 Received: from SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::c84b:5a6c:d66f:c0fd]) by SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::c84b:5a6c:d66f:c0fd%3]) with mapi id 15.20.5746.023; Mon, 24 Oct 2022 17:54:11 +0000 From: Yangtao Li To: jaegeuk@kernel.org, chao@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Yangtao Li Subject: [PATCH] f2fs: add barrier mount option Date: Tue, 25 Oct 2022 01:54:01 +0800 Message-Id: <20221024175401.18888-1-frank.li@vivo.com> X-Mailer: git-send-email 2.35.1 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SI1PR02CA0008.apcprd02.prod.outlook.com (2603:1096:4:1f7::14) To SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SEZPR06MB5269:EE_|PSAPR06MB3992:EE_ X-MS-Office365-Filtering-Correlation-Id: 46835af5-73a3-4258-808f-08dab5e8c16b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SEZPR06MB5269.apcprd06.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230022)(4636009)(136003)(346002)(366004)(396003)(39860400002)(376002)(451199015)(186003)(2616005)(5660300002)(83380400001)(1076003)(6486002)(86362001)(38100700002)(41300700001)(38350700002)(2906002)(8936002)(26005)(6512007)(6506007)(52116002)(107886003)(6666004)(8676002)(66556008)(66946007)(478600001)(4326008)(316002)(36756003)(66476007);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?EJwP7cBkz6ElmKrVkFLykwiVLlGEtm6Pqqf0hyilK8SAEjSQXCAkXOaTsZlk?= =?us-ascii?Q?/50Wt+cSDZp4pyyGYhWFoHKHfekHvxwnVmHrzPY43l6cIzvmqWx9C5A6YfUR?= =?us-ascii?Q?RMdMsYNgvQGMhKXaGqCWC2Tuuqxy9qYBeyVkd2slTQEVvfbWWfkr0F/CpN0F?= =?us-ascii?Q?KoP32Edm1nyBGjzwLcY0MT55NyqhRGWLTd2kbrVK/LzoWYp4JLPrtzsZp3w8?= =?us-ascii?Q?Zj9tNh2uOGeXKU5VZWWyfS6geZwTNOerZYGIEwqTqLPWQLkds2wfnAhSoDYn?= =?us-ascii?Q?JFgBxDZLauKlK2TGt8Ua7KokANz/ZwOoFepQwL4tfoYc7E/PFD63hQ98hySd?= =?us-ascii?Q?R0uc9S+eW3A83Lcn5AIkkE+5WI76ttg3p5STS8f5qlyw5bLnDQyBr+Q3OZVE?= =?us-ascii?Q?064H+QlEQjdmcNR+qFXu5dBhMbnSZaEdPt/S3l+2QsrlBnYqBmcxnGCe21Uk?= =?us-ascii?Q?sa4sCl4S1TXA75Zwd1crL0VCRtVbY/OVEPyuDEEBL4quR7LXv/iBIcegZRRV?= =?us-ascii?Q?zN6c/Lmmfq4GUVZRt2TC0cx0bgMGIJ21P+JtR+BQS7wxDqyV8vcS+oXIf8vQ?= =?us-ascii?Q?iel+3qYGfZz55Iu4GS60ri+QIKD/s2vCAPLNcBGUHQbHomSG2jE2vPAY05vQ?= =?us-ascii?Q?HW9KBdhMFsG2DcFP+USC4yyqvQbXsqQRufZG5VwgnJ9hngB6JzPu/XSKbF27?= =?us-ascii?Q?M/mB688yYGGCvLeHMB5frGSgLGt1YYvVGLdgkZ3Z3Ai1SKUBCFIgBAnvt4cN?= =?us-ascii?Q?4g/KNH5rSKF4tw/OdyG3iM+qHxd+sJVHpQFs49l1hYDdGEFMw75JJJmiVAeq?= =?us-ascii?Q?krLMnuuGDGshVgq3mngjipNL1xh7UfVZX2/LJNM+hK1kbQVxjXu3Zay0CX4n?= =?us-ascii?Q?DljWwQv/rcL0BPGTIcljjvc64sRmNeLcjNWNGLXI5c4Lbm8LvwB29Nk4tnSb?= =?us-ascii?Q?zX+UvjT1d7z+FOSQQC0OBYVvtipfC0v/9PKqWLLXZ2vSnJBqNoeRwSF+lp+E?= =?us-ascii?Q?eZTIbtGSMWvhaKlmemAL58QH8/kjjeF8ieNli7qJW6hUvZs6Xo/bq/YS7YrP?= =?us-ascii?Q?pPrmhbvkNj5sbIK/+HYCl5vPo0Nk8kHQX6RBbb7BSUAhN/831ah/ZgO/V7Jd?= =?us-ascii?Q?79qA/BCSgqn0EqGYfvkGc6cR831SnY4xA4sciQCvsJBX919jVHvv64LUjdji?= =?us-ascii?Q?84dEwKE4qTtTdcVkcujZFx2TstUg48fPjCoUJLYlmZW91lcAtGFQq0CA4nKp?= =?us-ascii?Q?bN8i5UmE0+K8ehtYiFQhQ3aIGjVPHmmkRYna/9iCqC1aWaztF1+lzkElJ0ch?= =?us-ascii?Q?SNz9z29U0ntkHvet5lQOBVLgOwT189O24vG+3jaxXcFkhLfF7eFu1eQZfUXY?= =?us-ascii?Q?UkBO4M3n83IcBOJE1UKiCqwvAZ31ZzkadcqpxZ2YM0U9r6HRRGz3/8K1Vv1A?= =?us-ascii?Q?mgCDPoNdt+cvdn/l8uPU+4y8VXd5wAwfleq0n1vtdTnIk+CbIcrgP1ggvA4G?= =?us-ascii?Q?2sqAAQZDCEDXKrZ58eJDs3m+9wweHVGbKcMFNbYRVB5WLrFxQy6pRWQkzpxe?= =?us-ascii?Q?W+dYbYwNy7UMGE6jpkSBtVvY8XxsZT8f3NnKyqzB?= X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 46835af5-73a3-4258-808f-08dab5e8c16b X-MS-Exchange-CrossTenant-AuthSource: SEZPR06MB5269.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Oct 2022 17:54:11.0153 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: NJVkfxC+joBDtFypTP1TuMt/CplZVyIqkF0gQu8uWIaKAMt+8xI5gLdc6X6paOHAtf6lYs9C3MtuYapsRSHoCA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PSAPR06MB3992 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This patch adds a mount option, barrier, in f2fs. The barrier option is the opposite of nobarrier. If this option is set, cache_flush commands are allowed to be issued. Signed-off-by: Yangtao Li Reviewed-by: Chao Yu --- Documentation/filesystems/f2fs.rst | 2 ++ fs/f2fs/super.c | 7 +++++++ 2 files changed, 9 insertions(+) diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems= /f2fs.rst index 17df9a02ccff..5eccc4b3eef5 100644 --- a/Documentation/filesystems/f2fs.rst +++ b/Documentation/filesystems/f2fs.rst @@ -154,6 +154,8 @@ nobarrier This option can be used if underlying stora= ge guarantees If this option is set, no cache_flush commands are issued but f2fs still guarantees the write ordering of all the data writes. +barrier If this option is set, cache_flush commands are allowed to be + issued. fastboot This option is used when a system wants to reduce mount time as much as possible, even though normal performance can be sacrificed. diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 3834ead04620..f0613ea266bd 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -110,6 +110,7 @@ enum { Opt_noinline_dentry, Opt_flush_merge, Opt_noflush_merge, + Opt_barrier, Opt_nobarrier, Opt_fastboot, Opt_extent_cache, @@ -186,6 +187,7 @@ static match_table_t f2fs_tokens =3D { {Opt_noinline_dentry, "noinline_dentry"}, {Opt_flush_merge, "flush_merge"}, {Opt_noflush_merge, "noflush_merge"}, + {Opt_barrier, "barrier"}, {Opt_nobarrier, "nobarrier"}, {Opt_fastboot, "fastboot"}, {Opt_extent_cache, "extent_cache"}, @@ -806,6 +808,9 @@ static int parse_options(struct super_block *sb, char *= options, bool is_remount) case Opt_nobarrier: set_opt(sbi, NOBARRIER); break; + case Opt_barrier: + clear_opt(sbi, NOBARRIER); + break; case Opt_fastboot: set_opt(sbi, FASTBOOT); break; @@ -1939,6 +1944,8 @@ static int f2fs_show_options(struct seq_file *seq, st= ruct dentry *root) seq_puts(seq, ",flush_merge"); if (test_opt(sbi, NOBARRIER)) seq_puts(seq, ",nobarrier"); + else + seq_puts(seq, ",barrier"); if (test_opt(sbi, FASTBOOT)) seq_puts(seq, ",fastboot"); if (test_opt(sbi, EXTENT_CACHE)) --=20 2.25.1