Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Yangtao Li <frank.li@vivo.com>
To:     xiang@kernel.org, chao@kernel.org, huyue2@coolpad.com,
        jefflexu@linux.alibaba.com, damien.lemoal@opensource.wdc.com,
        naohiro.aota@wdc.com, jth@kernel.org, gregkh@linuxfoundation.org,
        rafael@kernel.org
Cc:     linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, Yangtao Li <frank.li@vivo.com>
Subject: [PATCH 1/3] kobject: introduce kobject_is_added()
Date:   Thu,  6 Apr 2023 17:30:54 +0800
Message-Id: <20230406093056.33916-1-frank.li@vivo.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?3GqxyVR7oFg05vhGpizd8Pupng54OhHyVB5zH/gLqL56uhNUdKoLt1fVjVIw?=
 =?us-ascii?Q?UZTkmuW5plrkumZSIXkQv8rtHiKHl3O6PDUFvzUXet2rs+JZi5k2z+mB48qA?=
 =?us-ascii?Q?Ya5a62yAtCJul5yVAUJ0FN9TfNP8rKFWIA7AoV2uc1s7BJbLkuS6XOUZZHH5?=
 =?us-ascii?Q?FvndXUHUFrasZ7BrDcVnDRhkdVFB3m6jLG9sOXLsDvLmV7RVCMwHxsRTyhx+?=
 =?us-ascii?Q?K1vSWLILCQ8mm/khMV4xSSchVnaYJONqOW9szevys/70d90BGZcGzzex+WMQ?=
 =?us-ascii?Q?x6e6oWi1Wp2nNovU06CFJJtPmxCr087fRo9eL3Pcu90QQk/zRywikP0Ib7v/?=
 =?us-ascii?Q?VZsYG75PKQmDYFFGtfYhqiTajRoSROn5cC8E15HoXUynMtGgAfrCf0gO8fX0?=
 =?us-ascii?Q?50LDgooGNAxtbIh6oXjwKcQeIAFYwbFjTbHhXA99/YIG37+aqPwTjMAPUi/q?=
 =?us-ascii?Q?laNMfCJhv5xTw26Ofq/8h2eWnx2axFGdh1+/kJxEWwjUbmpzLHRtmldsyzdE?=
 =?us-ascii?Q?+QaRZBcDjswF6onWUVhOHoFLQKt2bhsoPVASBcHzpfJJnMLYPaDQ924w5pNL?=
 =?us-ascii?Q?fJDsUl1EFvZvO4b2kDvKTg/XXoGItKk7XmpK6jWbZ8PxXLQykERswG89/kb/?=
 =?us-ascii?Q?EpgmKZ7e/duTL09D09aw/0K9p3KQ0LykxLdpgoGQzBcutg+zr12sGgHUDcBJ?=
 =?us-ascii?Q?MMxJiTCfzhFXiSy5ueOJ8sp2nbPDNPdFiFVFp9+2qsNHNkRLwLPZsjst4JAz?=
 =?us-ascii?Q?3TQTvnZmRcEwrzlHJIpT3ILBeczZzmsmryziDyVk+cMKak7zC5uHr4/Gm9Jf?=
 =?us-ascii?Q?EqKNDhHiQDFVz02APCHWjmXugccIizZGT3NXby2ZnOHMz4C91WI7ctkj4yyk?=
 =?us-ascii?Q?vW1zqCie3zdmxTGFK68XFXVEa/kZY4/W3hwJhsLLuX58tDa+aXooPX14iAzV?=
 =?us-ascii?Q?JKN/ThxWsEST+HMUl3HNAErm9lFzt0x4HvtRWNtWoEWYckxjIZfpDxa50QK2?=
 =?us-ascii?Q?VJ8xP3HExpDWDAQPsM7kx1JM6k5NPaMpzBUGjSmBVOE7XNaac5plBkMwd5Ji?=
 =?us-ascii?Q?0/M7w2accUd8xm8CdPigwpJL8vxOPfg94icmnXHZFvJW0woURYRfXYGBmyYV?=
 =?us-ascii?Q?+Sgugnhb2/d4nZiC8RrV4CYiMTYJziq8V28LJAA/pGRvmIqSNJt5AFODb1VK?=
 =?us-ascii?Q?CVVdIG4xlBi9o6iOtOYF7RH8AHZLkgXXU7R8pznISxQn935pT9oTZ+hd5Jvr?=
 =?us-ascii?Q?KfBXhUQ+7r5ubdg4cY4H0cKmK9BrFewv9QJFHQvu5rYA7nE6grAt/BrvOqIX?=
 =?us-ascii?Q?/tP7Wf64eLOccpegWC0nrtf6RYx5kme6TxTNj/fO47pow7E9hdLyLRJQA2nl?=
 =?us-ascii?Q?Wbiwy2gDisiEHOHhictC9J6mnhwfrmm4V9lkYKQwWrW35yoImHls/OHjTdoU?=
 =?us-ascii?Q?dfcgwzPo4ODP9xjzfRqV5cETj4rQGrthX1moukfcxvSqKwIxJK1Otv2bV1zn?=
 =?us-ascii?Q?YigGaMTvd7oxrUFQ8mSfaPOTDflHBk8TrNTDLMGUcAHIIAhAvluNWwDSvmAC?=
 =?us-ascii?Q?JuBL7XuFbDZHrd1HhdQOfo5vOulw77uK1lSz1Yye?=
X-OriginatorOrg: vivo.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 0c7899c5-a214-42e7-cb0a-08db3681a653
X-MS-Exchange-CrossTenant-AuthSource: TYZPR06MB5275.apcprd06.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Apr 2023 09:31:07.4602
 (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: z0w3m0qMc/Ib2fuDaXngM6BgK/Rl16OcahSsH+iLWeAItmw0atKHKnAXSJZSOjX1/p5S7ERVtmAGAOxdWLPpxw==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PUZPR06MB5772
X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID,
        DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,
        SPF_HELO_PASS,SPF_PASS autolearn=unavailable autolearn_force=no
        version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Add kobject_is_added() to avoid consumers from directly accessing
the internal variables of kobject.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
 include/linux/kobject.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index bdab370a24f4..b5cdb0c58729 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -203,6 +203,11 @@ static inline const struct kobj_type *get_ktype(const struct kobject *kobj)
 	return kobj->ktype;
 }
 
+static inline int kobject_is_added(struct kobject *kobj)
+{
+	return kobj->state_in_sysfs;
+}
+
 extern struct kobject *kset_find_obj(struct kset *, const char *);
 
 /* The global /sys/kernel/ kobject for people to chain off of */
-- 
2.35.1