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

From: Nitesh Shetty
Date: Mon Aug 14 2023 - 09:02:50 EST


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