[dm-devel] [PATCH 3/4] dm: convert dm_dev_internal.count from atomic_t to refcount_t

[Alasdair G Kergon]

On Fri, Oct 20, 2017 at 10:37:38AM +0300, Elena Reshetova wrote:
>  	} else if (dd->dm_dev->mode != (mode | dd->dm_dev->mode)) {
>  		r = upgrade_mode(dd, mode, t->md);
>  		if (r)
>  			return r;
> +		refcount_inc(&dd->count);
>  	}

Missing here:

        else
		refcount_inc(&dd->count);

?

Alasdair