linux-kernel - Re: [PATCH v15 06/12] fs, block: copy_file_range for def_blk

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Message-ID: <bc365ee8-7fbf-4f1a-8ab9-901362bc257a@suse.de>
Date:   Fri, 8 Sep 2023 08:08:42 +0200
From:   Hannes Reinecke <hare@...e.de>
To:     Nitesh Shetty <nj.shetty@...sung.com>,
        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>
Cc:     martin.petersen@...cle.com, mcgrof@...nel.org,
        gost.dev@...sung.com, Anuj Gupta <anuj20.g@...sung.com>,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v15 06/12] fs, block: copy_file_range for def_blk_ops for
 direct block device

On 9/6/23 18:38, Nitesh Shetty wrote:
> For direct block device opened with O_DIRECT, use copy_file_range to
> issue device copy offload, and fallback to generic_copy_file_range incase
> device copy offload capability is absent or the device files are not open
> with O_DIRECT.
> 
> Signed-off-by: Anuj Gupta <anuj20.g@...sung.com>
> Signed-off-by: Nitesh Shetty <nj.shetty@...sung.com>
> ---
>   block/fops.c | 25 +++++++++++++++++++++++++
>   1 file changed, 25 insertions(+)
> 

Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@...e.de                              +49 911 74053 688
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