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SubjectRe: [PATCH] lib/scatterlist: Add SG_CHAIN and SG_EMARK macros for LSB encodings
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On Wed, 2018-02-14 at 10:28 +0530, Anshuman Khandual wrote:
> This replaces scatterlist->page_link LSB encodings with SG_CHAIN and
> SG_EMARK definitions without any functional change.
>
> Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
> ---
>  include/linux/scatterlist.h | 23 +++++++++++++----------
>  1 file changed, 13 insertions(+), 10 deletions(-)
>
> diff --git a/include/linux/scatterlist.h
> b/include/linux/scatterlist.h
> index 22b2131bcdcd..63d00bdb2fb3 100644
> --- a/include/linux/scatterlist.h
> +++ b/include/linux/scatterlist.h
> @@ -65,16 +65,18 @@ struct sg_table {
>   */
>  
>  #define SG_MAGIC 0x87654321
> +#define SG_CHAIN 0x01
> +#define SG_EMARK 0x02

SG_EMARK sounds strange, what about SG_END?

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