Re: [PATCH] documentation: xip documentation update

Randy Dunlap
2008-09-22T15:31:04Z

On Mon, 22 Sep 2008 11:37:52 +0200 Marco Stornelli wrote:

> From: Marco Stornelli <marco.stornelli@gmail.com>
>
> xip documentation updated
> Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
> ---
>
> --- linux-2.6.26.5/Documentation/filesystems/xip.txt.orig 2008-08-20 20:11:37.000000000 +0200
> +++ linux-2.6.26.5/Documentation/filesystems/xip.txt 2008-09-22 11:27:46.000000000 +0200
> @@ -39,10 +39,11 @@ The block device operation is optional,
> today:
> - dcssblk: s390 dcss block device driver
>
> -An address space operation named get_xip_page is used to retrieve reference
> -to a struct page. To address the target page, a reference to an address_space,
> -and a sector number is provided. A 3rd argument indicates whether the
> -function should allocate blocks if needed.
> +An address space operation named get_xip_mem is used to retrieve reference
> +to a page frame number and a kernel address. To obtain these values a reference
> +to an address_space is provided. This function is in charge to assign values to

How about:
This function assigns values to the kmem and
pfn parameters.

> +the pointers kmem and pfn. The 3rd argument indicates whether the function
> +should allocate blocks if needed.
>
> This address space operation is mutually exclusive with readpage&writepage that
> do page cache read/write operations.

Thanks.

---
~Randy