On Thu, Jul 16, 2020 at 09:50:49AM +1000, NeilBrown wrote: > I'd be more comfortable if you added something like > if (WARN(bdev->bd_disk->fops != md_fops, > "Opening block device %x resulted in non-md device\")) > return; > here. However even without that > > Reviewed-by: NeilBrown <neilb@xxxxxxx> Ok, I've added that.