Re: [PATCH 1/3] SG: Move functions to lib/scatterlist.c and add sg chaining allocator helpers

[Herbert Xu]

Boaz Harrosh <bharrosh@xxxxxxxxxxx> wrote:
>
> diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
> index 416e000..c3ca848 100644
> --- a/include/linux/scatterlist.h
> +++ b/include/linux/scatterlist.h
> @@ -7,6 +7,12 @@
> #include <linux/string.h>
> #include <asm/io.h>
> 
> +struct sg_table {
> +       struct scatterlist *sgl;        /* the list */
> +       unsigned int nents;             /* number of mapped entries */
> +       unsigned int orig_nents;        /* original size of list */
> +};

If we're making massive changes like this, let's do it properly
as Rusty has demonstrated so that we support back-chaining as
well as frong-chaining.

Thanks,
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