1 /*
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
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
19 *
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any questions.
23 *
24 * GPL HEADER END
25 */
26 /*
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
29 *
30 * Copyright (c) 2011, 2012, Intel Corporation.
31 */
32 /*
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
35 */
36
37 #ifndef LUSTRE_PATCHLESS_COMPAT_H
38 #define LUSTRE_PATCHLESS_COMPAT_H
39
40 #include <linux/fs.h>
41
42 #include <linux/list.h>
43 #include <linux/mm.h>
44 #include <linux/hash.h>
45
46
47 #define ll_delete_from_page_cache(page) delete_from_page_cache(page)
48
49 static inline void
truncate_complete_page(struct address_space * mapping,struct page * page)50 truncate_complete_page(struct address_space *mapping, struct page *page)
51 {
52 if (page->mapping != mapping)
53 return;
54
55 if (PagePrivate(page))
56 page->mapping->a_ops->invalidatepage(page, 0, PAGE_CACHE_SIZE);
57
58 if (TestClearPageDirty(page))
59 account_page_cleaned(page, mapping);
60
61 ClearPageMappedToDisk(page);
62 ll_delete_from_page_cache(page);
63 }
64
65 #ifdef ATTR_OPEN
66 # define ATTR_FROM_OPEN ATTR_OPEN
67 #else
68 # ifndef ATTR_FROM_OPEN
69 # define ATTR_FROM_OPEN 0
70 # endif
71 #endif /* ATTR_OPEN */
72
73 #ifndef ATTR_RAW
74 #define ATTR_RAW 0
75 #endif
76
77 #ifndef ATTR_CTIME_SET
78 /*
79 * set ATTR_CTIME_SET to a high value to avoid any risk of collision with other
80 * ATTR_* attributes (see bug 13828)
81 */
82 #define ATTR_CTIME_SET (1 << 28)
83 #endif
84
85 #endif /* LUSTRE_PATCHLESS_COMPAT_H */
86