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Peng Taod7e09d02013-05-02 16:46:55 +08001/*
2 * GPL HEADER START
3 *
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
Oleg Drokin6a5b99a2016-06-14 23:33:40 -040018 * http://www.gnu.org/licenses/gpl-2.0.html
Peng Taod7e09d02013-05-02 16:46:55 +080019 *
Peng Taod7e09d02013-05-02 16:46:55 +080020 * GPL HEADER END
21 */
22/*
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
25 *
26 * Copyright (c) 2011, 2012, Intel Corporation.
27 */
28/*
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
31 */
32
33#ifndef LUSTRE_PATCHLESS_COMPAT_H
34#define LUSTRE_PATCHLESS_COMPAT_H
35
36#include <linux/fs.h>
37
38#include <linux/list.h>
39#include <linux/mm.h>
40#include <linux/hash.h>
41
Peng Taod7e09d02013-05-02 16:46:55 +080042#define ll_delete_from_page_cache(page) delete_from_page_cache(page)
43
44static inline void
45truncate_complete_page(struct address_space *mapping, struct page *page)
46{
47 if (page->mapping != mapping)
48 return;
49
50 if (PagePrivate(page))
Kirill A. Shutemov09cbfea2016-04-01 15:29:47 +030051 page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE);
Peng Taod7e09d02013-05-02 16:46:55 +080052
Tejun Heo11f81be2015-05-22 17:13:15 -040053 cancel_dirty_page(page);
Peng Taod7e09d02013-05-02 16:46:55 +080054 ClearPageMappedToDisk(page);
55 ll_delete_from_page_cache(page);
56}
57
Peng Taod7e09d02013-05-02 16:46:55 +080058#ifndef ATTR_CTIME_SET
59/*
60 * set ATTR_CTIME_SET to a high value to avoid any risk of collision with other
61 * ATTR_* attributes (see bug 13828)
62 */
63#define ATTR_CTIME_SET (1 << 28)
64#endif
65
66#endif /* LUSTRE_PATCHLESS_COMPAT_H */