From patchwork Thu Sep 28 06:15:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Kuai X-Patchwork-Id: 145775 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:cae8:0:b0:403:3b70:6f57 with SMTP id r8csp3111709vqu; Wed, 27 Sep 2023 23:36:18 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHNqQ/Ez81VypQyTKoNcITQJayTaFC8ICu1/PVmRv1G74Lmaa4dUB4ZjJR/j/y5qEIk9d+P X-Received: by 2002:a17:902:f7c6:b0:1c6:1ab1:93eb with SMTP id h6-20020a170902f7c600b001c61ab193ebmr327228plw.17.1695882977818; Wed, 27 Sep 2023 23:36:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1695882977; cv=none; d=google.com; s=arc-20160816; b=bFzjizk80w4jojR3XrI+4DGl+U3PzDGPRN259DlKT+OwfB+ZXY6ekdt5xQA5PqoGwq 2wuxXMciuyKOuha86yDTZ7e8ee5n2S11CduAUWFEnmRW8ziVpovYNVwPKYOewwlay9Fy svKM+0Yjq7pMJmqs/fJbCwGLkmPiEe/V/Fd+HZFk7nieHV7U0KWIZE9vTX+snUdbxzyb YxScuniNKqg7405hsHDi0GS5iyMGL7kADvPcP2KD9HVx4sCSYNFRrZnJFzAq48faCS0l 9CnM9Fp7FvNZTJVjewVsIhRlXj+DHszFcle14dfif3O/JWbDwo9oCr85tzVunmr1DoQM uVzQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=Fy51ESgzAEXkPGzLzCv+jmr4/+mAgNzRqXEMUWe+M34=; fh=uzm4c5moMb2sPQSUfIxBgj3uc/xRMM19umPc0HdLU5w=; b=HUH3g9KJM5vaDlnqcy+U8j2JC5uRuXFcGgVd6bgW4z7kMv+cSpxVG6b7qe883teI/w Etj6jaVqqlMjbEy6vOc4GVnMDOfZ/HVL4qGYzFXlgrukjsMkOoidZv28qC7BE+0yKgBW 8VZPj7OFrBOjAb4fh8aIlLuuBPPAjFx/Regqghtq/b8YKQNpYYLWDb4G9uGJm+pgwT/V X3hj0tQ67M4oKZUBmFA/U40hjScwX2cNFbq3NRQDVIzfKwPk1YIbMEOt6qixOVN4HsNH 0ZO+AMRaqJBNOHipIX2Z6Z1AnscB7clH4ZZAs3rMFhqEY7tOaComXlda8Mx5yp4NxV23 H1Yw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from howler.vger.email (howler.vger.email. [23.128.96.34]) by mx.google.com with ESMTPS id q17-20020a17090311d100b001c36018fdaasi19301970plh.219.2023.09.27.23.36.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Sep 2023 23:36:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) client-ip=23.128.96.34; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id 151AE83F531C; Wed, 27 Sep 2023 23:22:42 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230445AbjI1GW2 (ORCPT + 20 others); Thu, 28 Sep 2023 02:22:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230301AbjI1GWD (ORCPT ); Thu, 28 Sep 2023 02:22:03 -0400 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB0F69C; Wed, 27 Sep 2023 23:22:01 -0700 (PDT) Received: from mail02.huawei.com (unknown [172.30.67.143]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4Rx3Kf2l51z4f3k5q; Thu, 28 Sep 2023 14:21:58 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP4 (Coremail) with SMTP id gCh0CgAnvdyCGxVl3v1WBg--.22861S11; Thu, 28 Sep 2023 14:21:59 +0800 (CST) From: Yu Kuai To: xni@redhat.com, agk@redhat.com, snitzer@kernel.org, dm-devel@redhat.com, song@kernel.org Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, yukuai3@huawei.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH -next v3 07/25] md: use new apis to suspend array for serialize_policy_store() Date: Thu, 28 Sep 2023 14:15:25 +0800 Message-Id: <20230928061543.1845742-8-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230928061543.1845742-1-yukuai1@huaweicloud.com> References: <20230928061543.1845742-1-yukuai1@huaweicloud.com> MIME-Version: 1.0 X-CM-TRANSID: gCh0CgAnvdyCGxVl3v1WBg--.22861S11 X-Coremail-Antispam: 1UD129KBjvdXoWrZFWUZF4ftw18tw13XryDAwb_yoWkCwb_CF s5u3yfJrnIqry5tr1SkwsavryFyr1kWwnrXFyftFW3AFZ8tF95Kr9Ykr90q392vFWxWa4U trya9w47XF4DKjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbq8FF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAVCq3wA2048vs2 IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28E F7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr 1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0D M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2 IY04v7MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAF wI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc4 0Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1I6r4UMIIF0xvE2Ix0cI8IcVCY1x0267AK xVWxJVW8Jr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F 4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvjfUOBTY UUUUU X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ X-CFilter-Loop: Reflected X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,KHOP_HELO_FCRDNS, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=ham 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: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Wed, 27 Sep 2023 23:22:42 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778262189571891791 X-GMAIL-MSGID: 1778262189571891791 From: Yu Kuai Convert to use new apis, the old apis will be removed eventually. This is not hot path, so performance is not concerned. Signed-off-by: Yu Kuai --- drivers/md/md.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 740c477a6149..0c5a6169453c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5573,7 +5573,7 @@ serialize_policy_store(struct mddev *mddev, const char *buf, size_t len) if (value == mddev->serialize_policy) return len; - err = mddev_lock(mddev); + err = mddev_suspend_and_lock(mddev); if (err) return err; if (mddev->pers == NULL || (mddev->pers->level != 1)) { @@ -5582,15 +5582,13 @@ serialize_policy_store(struct mddev *mddev, const char *buf, size_t len) goto unlock; } - mddev_suspend(mddev); if (value) mddev_create_serial_pool(mddev, NULL, true); else mddev_destroy_serial_pool(mddev, NULL, true); mddev->serialize_policy = value; - mddev_resume(mddev); unlock: - mddev_unlock(mddev); + mddev_unlock_and_resume(mddev); return err ?: len; }