linux-kernel - Re: [dm-devel] [PATCH v14 02/11] Add infrastructure for copy offload in block and request layer.

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Message-ID: <20230814120959.ridr6xptirlcjkty@green245>
Date:   Mon, 14 Aug 2023 17:39:59 +0530
From:   Nitesh Shetty <nj.shetty@...sung.com>
To:     Bart Van Assche <bvanassche@....org>
Cc:     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>,
        martin.petersen@...cle.com, linux-doc@...r.kernel.org,
        gost.dev@...sung.com, Anuj Gupta <anuj20.g@...sung.com>,
        linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-block@...r.kernel.org, mcgrof@...nel.org, dlemoal@...nel.org,
        linux-fsdevel@...r.kernel.org
Subject: Re: [dm-devel] [PATCH v14 02/11] Add infrastructure for copy
 offload in block and request layer.

On 23/08/11 02:58PM, Bart Van Assche wrote:
>On 8/11/23 03:52, Nitesh Shetty wrote:
>>We expect caller to take a plug and send bio with source information,
>>followed by bio with destination information.
>>Once the src bio arrives we form a request and wait for destination
>>bio. Upon arrival of destination we merge these two bio's and send
>>corresponding request down to device driver.
>
>Is the above description up-to-date? In the cover letter there is a 
>different description of how copy offloading works.
>
Acked, This description is up to date.
We need to update this description in cover letter.

Thank you,
Nitesh Shetty