/*
* linux/fs/nfs/blocklayout/blocklayout.c
*
* Module for the NFSv4.1 pNFS block layout driver.
*
* Copyright (c) 2006 The Regents of the University of Michigan.
* All rights reserved.
*
* Andy Adamson <andros@citi.umich.edu>
* Fred Isaman <iisaman@umich.edu>
*
* permission is granted to use, copy, create derivative works and
* redistribute this software and such derivative works for any purpose,
* so long as the name of the university of michigan is not used in
* any advertising or publicity pertaining to the use or distribution
* of this software without specific, written prior authorization. if
* the above copyright notice or any other identification of the
* university of michigan is included in any copy of any portion of
* this software, then the disclaimer below must also be included.
*
* this software is provided as is, without representation from the
* university of michigan as to its fitness for any purpose, and without
* warranty by the university of michigan of any kind, either express
* or implied, including without limitation the implied warranties of
* merchantability and fitness for a particular purpose. the regents
* of the university of michigan shall not be liable for any damages,
* including special, indirect, incidental, or consequential damages,
* with respect to any claim arising out or in connection with the use
* of the software, even if it has been or is hereafter advised of the
* possibility of such damages.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/mount.h>
#include <linux/namei.h>
#include <linux/bio.h> /* struct bio */
#include <linux/buffer_head.h> /* various write calls */
#include <linux/prefetch.h>
#include <linux/pagevec.h>
#include "../pnfs.h"
#include "../internal.h"
#include "blocklayout.h"
#define NFSDBG_FACILITY NFSDBG_PNFS_LD
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Andy Adamson <andros@citi.umich.edu>");
MODULE_DESCRIPTION("The NFSv4.1 pNFS Block layout driver");
static void print_page(struct page *page)
{
dprintk("PRINTPAGE page %p\n", page);
dprintk(" PagePrivate %d\n", PagePrivate(page));
dprintk(" PageUptodate %d\n", PageUptodate(page));
dprintk(" PageError %d\n", PageError(page));
dprintk(" PageDirty %d\n", PageDirty(page));
dprintk(" PageReferenced %d\n", 