linux-kernel - Re: [PATCH v20 02/12] Add infrastructure for copy offload in block and request layer.

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Date: Mon, 27 May 2024 08:27:06 +0000
From: Nitesh Shetty <nj.shetty@...sung.com>
To: Bart Van Assche <bvanassche@....org>
Cc: Hannes Reinecke <hare@...e.de>, Jens Axboe <axboe@...nel.dk>, Jonathan
	Corbet <corbet@....net>, Alasdair Kergon <agk@...hat.com>, Mike Snitzer
	<snitzer@...nel.org>, Mikulas Patocka <mpatocka@...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>, Jan Kara
	<jack@...e.cz>, martin.petersen@...cle.com, david@...morbit.com,
	damien.lemoal@...nsource.wdc.com, anuj20.g@...sung.com, joshi.k@...sung.com,
	nitheshshetty@...il.com, gost.dev@...sung.com, linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	dm-devel@...ts.linux.dev, linux-nvme@...ts.infradead.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v20 02/12] Add infrastructure for copy offload in block
 and request layer.

On 24/05/24 06:52AM, Bart Van Assche wrote:
>On 5/23/24 23:54, Nitesh Shetty wrote:
>>Regarding merge, does it looks any better, if we use single request
>>operation such as REQ_OP_COPY and use op_flags(REQ_COPY_DST/REQ_COPY_SRC)
>>to identify dst and src bios ?
>
>I prefer to keep the current approach (REQ_COPY_DST/REQ_COPY_SRC) and to
>use a more appropriate verb than "merge", e.g. "combine".
>
Thanks for the suggesion, will do this in next version.

--Nitesh Shetty