From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752431AbYIVJg0 (ORCPT ); Mon, 22 Sep 2008 05:36:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751645AbYIVJgS (ORCPT ); Mon, 22 Sep 2008 05:36:18 -0400 Received: from host254-130-static.190-82-b.business.telecomitalia.it ([82.190.130.254]:42420 "EHLO nausicaa2.coritel.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751592AbYIVJgR (ORCPT ); Mon, 22 Sep 2008 05:36:17 -0400 Message-ID: <48D76770.9000808@coritel.it> Date: Mon, 22 Sep 2008 11:37:52 +0200 From: Marco Stornelli Organization: CoRiTeL User-Agent: Thunderbird 2.0.0.16 (X11/20080720) MIME-Version: 1.0 To: mtk.manpages@gmail.com, rdunlap@xenotime.net, linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] documentation: xip documentation update X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marco Stornelli xip documentation updated Signed-off-by: Marco Stornelli --- --- 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 +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.