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

[Anuj gupta]

On Thu, Aug 29, 2024 at 8:47 AM Martin K. Petersen
<martin.petersen at oracle.com> wrote:
>
>
> 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.
>
Do you see that this patch (and this set of flags) are fine?
If not, which specific flags do you suggest should be introduced?