linux-kernel - [PATCH -next v3 05/25] md: use new apis to suspend array for suspend_lo/hi

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Message-Id: <20230928061543.1845742-6-yukuai1@huaweicloud.com>
Date:   Thu, 28 Sep 2023 14:15:23 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     xni@...hat.com, agk@...hat.com, snitzer@...nel.org,
        dm-devel@...hat.com, song@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
        yukuai3@...wei.com, yukuai1@...weicloud.com, yi.zhang@...wei.com,
        yangerkun@...wei.com
Subject: [PATCH -next v3 05/25] md: use new apis to suspend array for suspend_lo/hi_store()

From: Yu Kuai <yukuai3@...wei.com>

Convert to use new apis, the old apis will be removed eventually.

These are not hot path, so performance is not concerned.

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 drivers/md/md.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index a075d03d03d3..d1ec4805aa4e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5290,15 +5290,13 @@ suspend_lo_store(struct mddev *mddev, const char *buf, size_t len)
 	if (new != (sector_t)new)
 		return -EINVAL;
 
-	err = mddev_lock(mddev);
+	err = __mddev_suspend(mddev, true);
 	if (err)
 		return err;
 
-	mddev_suspend(mddev);
 	WRITE_ONCE(mddev->suspend_lo, new);
-	mddev_resume(mddev);
+	__mddev_resume(mddev);
 
-	mddev_unlock(mddev);
 	return len;
 }
 static struct md_sysfs_entry md_suspend_lo =
@@ -5323,15 +5321,13 @@ suspend_hi_store(struct mddev *mddev, const char *buf, size_t len)
 	if (new != (sector_t)new)
 		return -EINVAL;
 
-	err = mddev_lock(mddev);
+	err = __mddev_suspend(mddev, true);
 	if (err)
 		return err;
 
-	mddev_suspend(mddev);
 	WRITE_ONCE(mddev->suspend_hi, new);
-	mddev_resume(mddev);
+	__mddev_resume(mddev);
 
-	mddev_unlock(mddev);
 	return len;
 }
 static struct md_sysfs_entry md_suspend_hi =
-- 
2.39.2