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

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Date:   Wed, 27 Apr 2022 18:19:51 +0530
From:   Nitesh Shetty <nj.shetty@...sung.com>
To:     Damien Le Moal <damien.lemoal@...nsource.wdc.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

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.

--
Nitesh Shetty