DOC: update xip method info

084c3049 · Marco Stornelli <[email protected]> · 2008-11-12 13:26:56 -08:00

xip documentation updated:
- change "get_xip_page" to "get_xip_mem";
- explain changed function parameters

Signed-off-by: Marco Stornelli <[email protected]>
Signed-off-by: Randy Dunlap <[email protected]>
Cc: Carsten Otte <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: 084c304980f05833bc8a91b856af7dc7a7bb7d60
Parents: b67ad18b

Changes

1 files changed · +5 −4

File	Status	Add	Del	Content
Documentation/filesystems/xip.txt	modified	+5	−4	View file

Documentation/filesystems/xip.txt

View file

diff --git a/Documentation/filesystems/xip.txt b/Documentation/filesystems/xip.txt
index 3cc4010..0466ee5 100644
--- a/Documentation/filesystems/xip.txt
+++ b/Documentation/filesystems/xip.txt
@@ -39,10 +39,11 @@ The block device operation is optional, these block devices support it as of
 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 references
+to a page frame number and a kernel address. To obtain these values a reference
+to an address_space is provided. This function assigns values to the kmem and
+pfn parameters. The third 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.