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-rw-r--r--drivers/md/linear.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 54c8677f1e59..5fe39c2a3d2b 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -257,6 +257,7 @@ static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev)
rcu_assign_pointer(mddev->private, newconf);
md_set_array_sectors(mddev, linear_size(mddev, 0, 0));
set_capacity(mddev->gendisk, mddev->array_sectors);
+ revalidate_disk(mddev->gendisk);
call_rcu(&oldconf->rcu, free_conf);
return 0;
}