md: use set_capacity_and_notify
Use set_capacity_and_notify to set the size of both the disk and block
device. This also gets the uevent notifications for the resize for free.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/drivers/md/md-linear.c b/drivers/md/md-linear.c
index 5ab2206..98f1b4b 100644
--- a/drivers/md/md-linear.c
+++ b/drivers/md/md-linear.c
@@ -200,9 +200,8 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev)
"copied raid_disks doesn't match mddev->raid_disks");
rcu_assign_pointer(mddev->private, newconf);
md_set_array_sectors(mddev, linear_size(mddev, 0, 0));
- set_capacity(mddev->gendisk, mddev->array_sectors);
+ set_capacity_and_notify(mddev->gendisk, mddev->array_sectors);
mddev_resume(mddev);
- revalidate_disk_size(mddev->gendisk, true);
kfree_rcu(oldconf, rcu);
return 0;
}