diff mbox series

[-next,15/29] md/raid5: use new apis to suspend array for raid5_store_group_thread_cnt()

Message ID 20230803132930.2742286-16-yukuai1@huaweicloud.com
State New
Headers
Series md: synchronize io with array reconfiguration |

Commit Message

Yu Kuai Aug. 3, 2023, 1:29 p.m. UTC 
  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/raid5.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index b8dd23357430..11fcaa1f7de5 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -7221,15 +7221,13 @@  raid5_store_group_thread_cnt(struct mddev *mddev, const char *page, size_t len)
 	if (new > 8192)
 		return -EINVAL;
 
-	err = mddev_lock(mddev);
+	err = mddev_suspend_and_lock(mddev);
 	if (err)
 		return err;
 	conf = mddev->private;
 	if (!conf)
 		err = -ENODEV;
 	else if (new != conf->worker_cnt_per_group) {
-		mddev_suspend(mddev);
-
 		old_groups = conf->worker_groups;
 		if (old_groups)
 			flush_workqueue(raid5_wq);
@@ -7246,9 +7244,8 @@  raid5_store_group_thread_cnt(struct mddev *mddev, const char *page, size_t len)
 				kfree(old_groups[0].workers);
 			kfree(old_groups);
 		}
-		mddev_resume(mddev);
 	}
-	mddev_unlock(mddev);
+	mddev_unlock_and_resume(mddev);
 
 	return err ?: len;
 }