From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2ECF2C433B4 for ; Mon, 5 Apr 2021 10:00:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0952161278 for ; Mon, 5 Apr 2021 10:00:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240625AbhDEKA7 (ORCPT ); Mon, 5 Apr 2021 06:00:59 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:14691 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232063AbhDEKA7 (ORCPT ); Mon, 5 Apr 2021 06:00:59 -0400 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4FDR1F0rd1znYks; Mon, 5 Apr 2021 17:58:09 +0800 (CST) Received: from localhost.localdomain (10.175.104.82) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.498.0; Mon, 5 Apr 2021 18:00:43 +0800 From: Zheng Yongjun To: , Coly Li , Kent Overstreet CC: , , "Hulk Robot" Subject: [PATCH -next] bcache: use DEFINE_MUTEX() for mutex lock Date: Mon, 5 Apr 2021 18:14:53 +0800 Message-ID: <20210405101453.15096-1-zhengyongjun3@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Originating-IP: [10.175.104.82] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-bcache@vger.kernel.org mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). Reported-by: Hulk Robot Signed-off-by: Zheng Yongjun --- drivers/md/bcache/super.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 78c08a8aece8..c124da6e646d 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -41,7 +41,7 @@ static const char invalid_uuid[] = { }; static struct kobject *bcache_kobj; -struct mutex bch_register_lock; +DEFINE_MUTEX(bch_register_lock); bool bcache_is_reboot; LIST_HEAD(bch_cache_sets); static LIST_HEAD(uncached_devices); @@ -2870,7 +2870,6 @@ static int __init bcache_init(void) check_module_parameters(); - mutex_init(&bch_register_lock); init_waitqueue_head(&unregister_wait); register_reboot_notifier(&reboot);