linux-kernel - Re: [dm-devel] [PATCH v14 03/11] block: add copy offload support

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Message-ID: <20230814103029.mc5l4wt6y6dzf7db@green245>
Date:   Mon, 14 Aug 2023 16:00:29 +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 03/11] block: add copy offload support

On 23/08/11 03:06PM, Bart Van Assche wrote:
>On 8/11/23 03:52, Nitesh Shetty wrote:
>>+		if (rem != chunk)
>>+			atomic_inc(&cio->refcount);
>
>This code will be easier to read if the above if-test is left out
>and if the following code is added below the for-loop:
>
>	if (atomic_dec_and_test(&cio->refcount))
>		blkdev_copy_endio(cio);
>
Acked

Thank you,
Nitesh Shetty