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Date:   Tue, 12 Feb 2019 22:01:46 -0500
From:   "Martin K. Petersen" <>
To:     "chenxiang \(M\)" <>
Cc:     "Martin K. Petersen" <>,
        John Garry <>, <>,
        <>, <>,
Subject: Re: [PATCH 1/6] scsi: hisi_sas: Add support for DIX feature for v3 hw


>>> +	if (prot_flags & SCSI_PROT_REF_CHECK)
>>> +		return T10_CHK_APP_TAG_MSK;

>> Polarity is a bit unclear here. Is this statement disabling checking of
>> the app tag?
> Yes, disabling checking of app tag.
> For here, 1'b0 presents the related byte in DIF will be checked, and
> 1'b1 presents the related byte in DIF will not be checked.

OK, thanks for the clarification!

Martin K. Petersen	Oracle Linux Engineering

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