Hi
This is a simple check before updating the superblock. It should update
the superblock when update_size return 0.
Regards
Xiao
---
drivers/md/md.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index c068f17..0332a13 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4181,7 +4181,8 @@ size_store(struct mddev *mddev, const char *buf, size_t len)
return err;
if (mddev->pers) {
err = update_size(mddev, sectors);
- md_update_sb(mddev, 1);
+ if (err == 0)
+ md_update_sb(mddev, 1);
} else {
if (mddev->dev_sectors == 0 ||
mddev->dev_sectors > sectors)
--
2.4.3
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