Re: [PATCH 12/18] target: compare and write backend driver sense handling

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On 9/4/2015 10:41 PM, Mike Christie wrote:
Hey Nick and Christoph,

Hi Mike,


For the target_core_iblock + rbd/COMPARE_AND_WRITE support approach, I
still need a patch like below to be able to allow target_core_iblock.c
to be able to specify specific codes like TCM_MISCOMPARE_VERIFY.

I just posted a couple of patches to use scsi helpers to set the
sense buffer with/without information (see translate_sense_reason).
You can just add TCM_MISCOMPARE_VERIFY entry to sense_info_table with
.add_sector_info = true.

Moreover, we have a field in the command structure to keep the error
sector (used in DIF). So you should go ahead and use that.

Sagi.
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