linux-kernel - [PATCH -next v2 14/28] md/raid5: use new apis to suspend array for raid5_store_skip

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Message-Id: <20230828020021.2489641-15-yukuai1@huaweicloud.com>
Date:   Mon, 28 Aug 2023 10:00:07 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     agk@...hat.com, snitzer@...nel.org, dm-devel@...hat.com,
        song@...nel.org, xni@...hat.com
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 v2 14/28] md/raid5: use new apis to suspend array for raid5_store_skip_copy()

From: Yu Kuai <yukuai3@...wei.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@...wei.com>
---
 drivers/md/raid5.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index f1c32b4d190f..c937716fed01 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -7151,7 +7151,7 @@ raid5_store_skip_copy(struct mddev *mddev, const char *page, size_t len)
 		return -EINVAL;
 	new = !!new;
 
-	err = mddev_lock(mddev);
+	err = mddev_suspend_and_lock(mddev);
 	if (err)
 		return err;
 	conf = mddev->private;
@@ -7160,15 +7160,13 @@ raid5_store_skip_copy(struct mddev *mddev, const char *page, size_t len)
 	else if (new != conf->skip_copy) {
 		struct request_queue *q = mddev->queue;
 
-		mddev_suspend(mddev);
 		conf->skip_copy = new;
 		if (new)
 			blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, q);
 		else
 			blk_queue_flag_clear(QUEUE_FLAG_STABLE_WRITES, q);
-		mddev_resume(mddev);
 	}
-	mddev_unlock(mddev);
+	mddev_unlock_and_resume(mddev);
 	return err ?: len;
 }
 
-- 
2.39.2