[PATCH v2] nvme: fix write zeroes pi

[Martin K. Petersen]

Klaus,

> Write Zeroes sets PRACT when block integrity is enabled (as it
> should), but neglects to also set the reftag which is expected by
> reads. This causes protection errors on reads.
>
> Fix this by setting the reftag for type 1 and 2 (for type 3, reads
> will not check the reftag).

Looks good to me.

Reviewed-by: Martin K. Petersen <martin.petersen at oracle.com>

-- 
Martin K. Petersen	Oracle Linux Engineering