# \[PATCH 15/19\] md: use bdev\_check\_media\_change

- From: Christoph Hellwig \<hch@lst.de\>
- Date: 2020-09-02 14:16:37 
- List: linux-raid
- Page: https://ratatoskr.run/linux-raid/2020/09/187808
- Thread: https://ratatoskr.run/linux-block/2020/09/187819/t.md

```text
The pcd driver does not have a ->revalidate_disk method, so it can just
use bdev_check_media_change without any additional changes.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/md/md.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9562ef598ae1f4..27ed61197014ef 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7848,7 +7848,7 @@ static int md_open(struct block_device *bdev, fmode_t mode)
 	atomic_inc(&mddev->openers);
 	mutex_unlock(&mddev->open_mutex);
 
-	check_disk_change(bdev);
+	bdev_check_media_change(bdev);
  out:
 	if (err)
 		mddev_put(mddev);
-- 
2.28.0

```