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Message-ID: <2b568b29-c4f4-4058-9a83-b1f37290ae34@suse.de>
Date:   Fri, 8 Sep 2023 08:09:40 +0200
From:   Hannes Reinecke <hare@...e.de>
To:     Nitesh Shetty <nj.shetty@...sung.com>,
        Jens Axboe <axboe@...nel.dk>, Jonathan Corbet <corbet@....net>,
        Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...nel.org>, dm-devel@...hat.com,
        Keith Busch <kbusch@...nel.org>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        Chaitanya Kulkarni <kch@...dia.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <brauner@...nel.org>
Cc:     martin.petersen@...cle.com, mcgrof@...nel.org,
        gost.dev@...sung.com, Kanchan Joshi <joshi.k@...sung.com>,
        Javier González <javier.gonz@...sung.com>,
        Anuj Gupta <anuj20.g@...sung.com>, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-nvme@...ts.infradead.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v15 07/12] nvme: add copy offload support

On 9/6/23 18:38, Nitesh Shetty wrote:
> Current design only supports single source range.
> We receive a request with REQ_OP_COPY_SRC.
> Parse this request which consists of src(1st) and dst(2nd) bios.
> Form a copy command (TP 4065)
> 
> trace event support for nvme_copy_cmd.
> Set the device copy limits to queue limits.
> 
> Signed-off-by: Kanchan Joshi <joshi.k@...sung.com>
> Signed-off-by: Nitesh Shetty <nj.shetty@...sung.com>
> Signed-off-by: Javier González <javier.gonz@...sung.com>
> Signed-off-by: Anuj Gupta <anuj20.g@...sung.com>
> ---
>   drivers/nvme/host/constants.c |  1 +
>   drivers/nvme/host/core.c      | 79 +++++++++++++++++++++++++++++++++++
>   drivers/nvme/host/trace.c     | 19 +++++++++
>   include/linux/blkdev.h        |  1 +
>   include/linux/nvme.h          | 43 +++++++++++++++++--
>   5 files changed, 140 insertions(+), 3 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@...e.de                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Ivo Totev, Andrew
Myers, Andrew McDonald, Martje Boudien Moerman

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