[-next,v3,07/25] md: use new apis to suspend array for serialize_policy_store()

Commit Message

Yu Kuai Sept. 28, 2023, 6:15 a.m. UTC

From: Yu Kuai <[e-mail]>

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 <[e-mail]>
---
 drivers/md/md.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Patch

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;
 }