[PATCHv4 8/8] nvme: add support for enhanced metadata

[Martin K. Petersen]

Keith,

> NVM Express ratified TP 4068 defines new protection information
> formats.  Implement support for the CRC64 guard tags.
>
> Since the block layer doesn't support variable length reference tags,
> driver support for the Storage Tag space is not supported at this
> time.

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

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Martin K. Petersen	Oracle Linux Engineering