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From:   Yu Kuai <yukuai1@huaweicloud.com>
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>
In-Reply-To: <20230928061543.1845742-1-yukuai1@huaweicloud.com>
References: <20230928061543.1845742-1-yukuai1@huaweicloud.com>
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From: Yu Kuai <yukuai3@huawei.com>

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 <yukuai3@huawei.com>
---
 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;
 }
 
-- 
2.39.2