[PATCH -next 07/29] md: use new apis to suspend array for serialize_policy_store()

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From: Yu Kuai <yukuai3@xxxxxxxxxx>

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@xxxxxxxxxx>
---
 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 fc1646f02ef3..765667b5fa59 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5548,7 +5548,7 @@ 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)) {
@@ -5557,15 +5557,13 @@ 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




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