1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Lustre Lite I/O page cache routines for the 2.5/2.6 kernel version
6 * Copyright (c) 2001-2003 Cluster File Systems, Inc.
8 * This file is part of Lustre, http://www.lustre.org.
10 * Lustre is free software; you can redistribute it and/or
11 * modify it under the terms of version 2 of the GNU General Public
12 * License as published by the Free Software Foundation.
14 * Lustre is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with Lustre; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <linux/config.h>
25 #include <linux/kernel.h>
27 #include <linux/string.h>
28 #include <linux/stat.h>
29 #include <linux/errno.h>
30 #include <linux/smp_lock.h>
31 #include <linux/unistd.h>
32 #include <linux/version.h>
33 #include <asm/system.h>
34 #include <asm/uaccess.h>
37 #include <linux/buffer_head.h>
38 #include <linux/mpage.h>
39 #include <linux/writeback.h>
40 #include <linux/stat.h>
41 #include <asm/uaccess.h>
42 #include <asm/segment.h>
44 #include <linux/pagemap.h>
45 #include <linux/smp_lock.h>
47 #define DEBUG_SUBSYSTEM S_LLITE
49 #include <linux/lustre_mds.h>
50 #include <linux/lustre_lite.h>
51 #include "llite_internal.h"
52 #include <linux/lustre_compat25.h>
54 static int ll_writepage_26(struct page *page, struct writeback_control *wbc)
56 return ll_writepage(page);
59 /* It is safe to not check anything in invalidatepage/releasepage below
60 because they are run with page locked and all our io is happening with
62 static int ll_invalidatepage(struct page *page, unsigned long offset)
64 if (PagePrivate(page))
69 static int ll_releasepage(struct page *page, int gfp_mask)
71 if (PagePrivate(page))
76 struct address_space_operations ll_aops = {
77 .readpage = ll_readpage,
78 // .readpages = ll_readpages,
79 // .direct_IO = ll_direct_IO_26,
80 .writepage = ll_writepage_26,
81 .writepages = generic_writepages,
82 .set_page_dirty = __set_page_dirty_nobuffers,
84 .prepare_write = ll_prepare_write,
85 .commit_write = ll_commit_write,
86 .invalidatepage = ll_invalidatepage,
87 .releasepage = ll_releasepage,