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Wed, 22 Mar 2023 16:58:49 +0000 Received: from SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::daf6:5ebb:a93f:1869]) by SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::daf6:5ebb:a93f:1869%9]) with mapi id 15.20.6178.037; Wed, 22 Mar 2023 16:58:48 +0000 From: Yangtao Li To: clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, xiang@kernel.org, chao@kernel.org, huyue2@coolpad.com, jefflexu@linux.alibaba.com, jaegeuk@kernel.org, trond.myklebust@hammerspace.com, anna@kernel.org, konishi.ryusuke@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, richard@nod.at, djwong@kernel.org, damien.lemoal@opensource.wdc.com, naohiro.aota@wdc.com, jth@kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org Cc: linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-f2fs-devel@lists.sourceforge.net, linux-nfs@vger.kernel.org, linux-nilfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-mtd@lists.infradead.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Yangtao Li Subject: [PATCH v3 01/10] kobject: introduce kobject_del_and_put() Date: Thu, 23 Mar 2023 00:58:30 +0800 Message-Id: <20230322165830.55071-1-frank.li@vivo.com> X-Mailer: git-send-email 2.35.1 X-ClientProxiedBy: SI2PR04CA0006.apcprd04.prod.outlook.com (2603:1096:4:197::13) To SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SEZPR06MB5269:EE_|SG2PR06MB5238:EE_ X-MS-Office365-Filtering-Correlation-Id: bdf0ab43-7108-4dbe-3a25-08db2af6b457 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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This patch wraps these two calls in a single helper. Signed-off-by: Yangtao Li Reviewed-by: Damien Le Moal --- v3: -convert to inline helper v2: -add kobject_del_and_put() users include/linux/kobject.h | 13 +++++++++++++ lib/kobject.c | 3 +-- 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/include/linux/kobject.h b/include/linux/kobject.h index bdab370a24f4..e21b7c22e355 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -112,6 +112,19 @@ extern struct kobject * __must_check kobject_get_unless_zero( struct kobject *kobj); extern void kobject_put(struct kobject *kobj); +/** + * kobject_del_and_put() - Delete kobject. + * @kobj: object. + * + * Unlink kobject from hierarchy and decrement the refcount. + * If refcount is 0, call kobject_cleanup(). + */ +static inline void kobject_del_and_put(struct kobject *kobj) +{ + kobject_del(kobj); + kobject_put(kobj); +} + extern const void *kobject_namespace(const struct kobject *kobj); extern void kobject_get_ownership(const struct kobject *kobj, kuid_t *uid, kgid_t *gid); diff --git a/lib/kobject.c b/lib/kobject.c index f79a434e1231..e6c5a3ff1c53 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -876,8 +876,7 @@ void kset_unregister(struct kset *k) { if (!k) return; - kobject_del(&k->kobj); - kobject_put(&k->kobj); + kobject_del_and_put(&k->kobj); } EXPORT_SYMBOL(kset_unregister); From patchwork Wed Mar 22 16:58:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?5p2O5oms6Z+s?= X-Patchwork-Id: 13184337 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 F16CCC76195 for ; Wed, 22 Mar 2023 17:00:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231299AbjCVRAF (ORCPT ); Wed, 22 Mar 2023 13:00:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231350AbjCVQ7u (ORCPT ); Wed, 22 Mar 2023 12:59:50 -0400 Received: from APC01-TYZ-obe.outbound.protection.outlook.com (mail-tyzapc01on2094.outbound.protection.outlook.com [40.107.117.94]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 461BD61AAB; Wed, 22 Mar 2023 09:59:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=J7xLpHYwOGdK5ug/T998yB/7RkJgrgLuIulV9r2BXxLhLlSq61FGaVUdaAOEGqMBwQYkSk2h98ot2J+4FPEXEcfiZ3CYHKNJOIhQUp64CL+ca6EyC/66XdWDJOO8Is3w4w8D4IvHubRPESZKua5KoPV7mtCOHY7ILim2CtHeGYNff+KzDto/Ous7Dv9RI/oohhFaatDh3FpHHgZZpmZgwVESQ+HTpque4YpDREg3yXYbODY9XIp8D/N3BXWPhxrIe0pfEiH5YmK/VcJCNJ6AjT49mRytGUCJQ4Ei9zvU8nSy1886nRkXTfQ/w6TqA+GRlJ7ltrfCXfwoV3cEy3SBrg== 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=1ecBOFBL5r+bnKKNsVchdUNnMVHFYGZmRu2mS3y21Ns=; b=FWDIv8fwiEHcMKMKR2ev8dd/q744mP1zMGDbQwNV0h7iy5Kk0DNiQwEQsIBB8jl6ZySHIf0EhtNARwSJtmIwMyZ3bgIbK+BN18EIwHzNGcyWK4sQ3CpYP/2wXcSSFfpwAnTQL1a1DP8b/RUXa3pJYAHGRI0J0oCpveMZZEZc8BWcePrKT+8IYMMEFrn7zBQ5G4YjxKeLZ0ARAOXQ32hGYrtCy+qD5nIPAiUk2fG3So0F6SzA9hxk/F9Nl3eMgrwj8YEcEjn5/tZhayq2KP678Z8jaW2ogHK5KvthrTGoLnMN4xmwDDHxtZ79Ae1X+7xNfnftcgh6fBZ3VfEF2pGEdw== 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=1ecBOFBL5r+bnKKNsVchdUNnMVHFYGZmRu2mS3y21Ns=; b=c9lb6r1H7Rpv0moDMTBx1tBnGVjIsfssaS8/Z8FHEvlCkfn6yUSPp3AaE24JaeVZhv9b87lTHz9Un3KwsPGWcaFspcE2LxHkgglsVY14y5QS8U193SChy/ZJyeelole7/qVT9FGHmUljkfdwuRDFJIaQS52EL6fyVr5zKNSvOeS8IYhCsQAjEVLyp6boRy+QirxVQdu+WGSUJX0SRMK+HQg0dd7LFGFUB/dNpTsf555woq6TlxYqQtM0wCY2jObh6XysZhNwbnssbHZmEC2RS3H4mIecn5KOG9eF9nAxzqxShQuxUPcXD9y8uqv2NY+7Hai040KIwzp4ytkT1hgUJA== 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 SG2PR06MB5238.apcprd06.prod.outlook.com (2603:1096:4:1d8::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6178.37; Wed, 22 Mar 2023 16:59:40 +0000 Received: from SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::daf6:5ebb:a93f:1869]) by SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::daf6:5ebb:a93f:1869%9]) with mapi id 15.20.6178.037; Wed, 22 Mar 2023 16:59:39 +0000 From: Yangtao Li To: Damien Le Moal , Naohiro Aota , Johannes Thumshirn Cc: Yangtao Li , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 04/10] zonefs: convert to kobject_del_and_put() Date: Thu, 23 Mar 2023 00:58:59 +0800 Message-Id: <20230322165905.55389-3-frank.li@vivo.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230322165905.55389-1-frank.li@vivo.com> References: <20230322165905.55389-1-frank.li@vivo.com> X-ClientProxiedBy: SI1PR02CA0012.apcprd02.prod.outlook.com (2603:1096:4:1f7::8) To SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SEZPR06MB5269:EE_|SG2PR06MB5238:EE_ X-MS-Office365-Filtering-Correlation-Id: da99ab68-5a3e-472c-a988-08db2af6d31c 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:(13230025)(4636009)(39860400002)(136003)(346002)(396003)(366004)(376002)(451199018)(2616005)(6506007)(52116002)(478600001)(6486002)(6666004)(83380400001)(110136005)(316002)(66476007)(66946007)(66556008)(6512007)(26005)(186003)(8676002)(54906003)(4326008)(1076003)(8936002)(4744005)(41300700001)(5660300002)(2906002)(38100700002)(38350700002)(36756003)(86362001);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: da99ab68-5a3e-472c-a988-08db2af6d31c X-MS-Exchange-CrossTenant-AuthSource: SEZPR06MB5269.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Mar 2023 16:59:39.7592 (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: gi2U7ZaR7deqhVriXbvHyMpXVpj3dqfbkk9a3q99UzSTwvnaWEOMSXhRBidKzUNWzch14uTt4N88xDzvy+XKpA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SG2PR06MB5238 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Use kobject_del_and_put() to simplify code. Cc: Greg Kroah-Hartman Cc: "Rafael J. Wysocki" Cc: Damien Le Moal Signed-off-by: Yangtao Li Acked-by: Damien Le Moal --- fs/zonefs/sysfs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/zonefs/sysfs.c b/fs/zonefs/sysfs.c index 8ccb65c2b419..5e117188fbb5 100644 --- a/fs/zonefs/sysfs.c +++ b/fs/zonefs/sysfs.c @@ -113,8 +113,7 @@ void zonefs_sysfs_unregister(struct super_block *sb) if (!sbi || !sbi->s_sysfs_registered) return; - kobject_del(&sbi->s_kobj); - kobject_put(&sbi->s_kobj); + kobject_del_and_put(&sbi->s_kobj); wait_for_completion(&sbi->s_kobj_unregister); }