On Wed, Dec 09 2015, Vishal Verma [off-list ref] wrote:

Patch 3 converts md over to use the new badblocks 'library'. I have
done some pretty simple testing on this - created a raid 1 device,
made sure the sysfs entries show up, and can be used to add and view
badblocks. A closer look by the md folks would be nice here.

Hi,
 this all looks reasonably sensible.  I haven't gone over it with a
 fine toothed comb (I wonder where that analogy comes from....) but
 nothing is obviously wrong.

 Acked-by: NeilBrown [off-list ref]

Thanks,
NeilBrown