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

Nitesh Shetty nj.shetty at samsung.com
Mon Aug 14 05:18:53 PDT 2023


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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