linux-kernel - Re: [PATCH v4 00/10] Add Copy offload support

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Message-ID: <c285f0da-ab1d-2b24-e5a4-21193ef93155@opensource.wdc.com>
Date:   Thu, 28 Apr 2022 07:05:32 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Nitesh Shetty <nj.shetty@...sung.com>
Cc:     linux-block@...r.kernel.org, linux-scsi@...r.kernel.org,
        dm-devel@...hat.com, linux-nvme@...ts.infradead.org,
        linux-fsdevel@...r.kernel.org, nitheshshetty@...il.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 00/10] Add Copy offload support

On 4/27/22 21:49, Nitesh Shetty wrote:
> O Wed, Apr 27, 2022 at 11:19:48AM +0900, Damien Le Moal wrote:
>> On 4/26/22 19:12, Nitesh Shetty wrote:
>>> The patch series covers the points discussed in November 2021 virtual call
>>> [LSF/MM/BFP TOPIC] Storage: Copy Offload[0].
>>> We have covered the Initial agreed requirements in this patchset.
>>> Patchset borrows Mikulas's token based approach for 2 bdev
>>> implementation.
>>>
>>> Overall series supports –
>>>
>>> 1. Driver
>>> - NVMe Copy command (single NS), including support in nvme-target (for
>>>     block and file backend)
>>
>> It would also be nice to have copy offload emulation in null_blk for testing.
>>
> 
> We can plan this in next phase of copy support, once this series settles down.

So how can people test your series ? Not a lot of drives out there with
copy support.

> 
> --
> Nitesh Shetty
> 
> 


-- 
Damien Le Moal
Western Digital Research