Re: [PATCH rdma-next 2/4] lib/scatterlist: Add support in dynamically allocation of SG entries

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On 9/7/2020 10:29 AM, Christoph Hellwig wrote:
+static inline void _sg_chain(struct scatterlist *chain_sg,
+			     struct scatterlist *sgl)
+{
+	/*
+	 * offset and length are unused for chain entry. Clear them.
+	 */
+	chain_sg->offset = 0;
+	chain_sg->length = 0;
+
+	/*
+	 * Set lowest bit to indicate a link pointer, and make sure to clear
+	 * the termination bit if it happens to be set.
+	 */
+	chain_sg->page_link = ((unsigned long) sgl | SG_CHAIN) & ~SG_END;
+}
Please call this __sg_chain to stick with our normal kernel naming
convention.

Will do.



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