Re: [PATCH v4 2/3] block: don't remap ref tag for T10 PI type 0

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Keith,

> At least for nvme, type 0 means you have meta data but not for
> protection information,

Yeah, NVMe does not support DIX Type 0.

> so remapping the place the where reference tag exists for other PI
> types corrupts the metadata.

But the device shouldn't have an integrity profile in that case (see
previous mail about why keying off of the protection_type is a problem).

-- 
Martin K. Petersen	Oracle Linux Engineering



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