Re: [PATCH v3 07/10] block: introduce BIP_CHECK_GUARD/REFTAG/APPTAG bip_flags

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Kanchan,

> With Guard/Reftag/Apptag, we get 6 combinations. For NVMe, all can be
> valid. For SCSI, maximum 4 can be valid. And we factor the pi-type in
> while listing what all is valid. For example: 010 or 001 is not valid
> for SCSI and should not be shown by this.

I thought we had tentatively agreed to let the block layer integrity
flags only describe what the controller should do? And then let sd.c
decide what to do about RDPROTECT/WRPROTECT (since host-to-target is a
different protection envelope anyway). That is kind of how it works
already.

-- 
Martin K. Petersen	Oracle Linux Engineering




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