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Message-ID: <20230814121853.ms4acxwr56etf3ph@green245>
Date: Mon, 14 Aug 2023 17:48:53 +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 02:25PM, Bart Van Assche wrote:
>On 8/11/23 03:52, Nitesh Shetty wrote:
>>diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
>>index 0bad62cca3d0..de0ad7a0d571 100644
>>+static inline bool op_is_copy(blk_opf_t op)
>>+{
>>+ return ((op & REQ_OP_MASK) == REQ_OP_COPY_SRC ||
>>+ (op & REQ_OP_MASK) == REQ_OP_COPY_DST);
>>+}
>>+
>
>The above function should be moved into include/linux/blk-mq.h below the
>definition of req_op() such that it can use req_op() instead of
>open-coding it.
>
We use this later for dm patches(patch 9) as well, and we don't have request at
that time.
Thank you,
Nitesh Shetty
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