linux-kernel - Re: [PATCHv4 8/8] nvme: add support for enhanced metadata

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Message-ID: <yq1v8wuv3v4.fsf@ca-mkp.ca.oracle.com>
Date:   Thu, 03 Mar 2022 21:38:52 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Keith Busch <kbusch@...nel.org>
Cc:     linux-nvme@...ts.infradead.org, linux-block@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        axboe@...nel.dk, hch@....de, martin.petersen@...cle.com,
        Hannes Reinecke <hare@...e.de>,
        Klaus Jensen <its@...elevant.dk>
Subject: Re: [PATCHv4 8/8] nvme: add support for enhanced metadata


Keith,

> NVM Express ratified TP 4068 defines new protection information
> formats.  Implement support for the CRC64 guard tags.
>
> Since the block layer doesn't support variable length reference tags,
> driver support for the Storage Tag space is not supported at this
> time.

Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com>

-- 
Martin K. Petersen	Oracle Linux Engineering