Commit | Line | Data |
---|---|---|
2f52578f MWO |
1 | /* |
2 | * Compatibility functions which bloat the callers too much to make inline. | |
3 | * All of the callers of these functions should be converted to use folios | |
4 | * eventually. | |
5 | */ | |
6 | ||
3417013e | 7 | #include <linux/migrate.h> |
2f52578f | 8 | #include <linux/pagemap.h> |
76580b65 | 9 | #include <linux/swap.h> |
d1d8a3b4 | 10 | #include "internal.h" |
2f52578f MWO |
11 | |
12 | struct address_space *page_mapping(struct page *page) | |
13 | { | |
14 | return folio_mapping(page_folio(page)); | |
15 | } | |
16 | EXPORT_SYMBOL(page_mapping); | |
4e136428 MWO |
17 | |
18 | void unlock_page(struct page *page) | |
19 | { | |
20 | return folio_unlock(page_folio(page)); | |
21 | } | |
22 | EXPORT_SYMBOL(unlock_page); | |
4268b480 MWO |
23 | |
24 | void end_page_writeback(struct page *page) | |
25 | { | |
26 | return folio_end_writeback(page_folio(page)); | |
27 | } | |
28 | EXPORT_SYMBOL(end_page_writeback); | |
490e016f MWO |
29 | |
30 | void wait_on_page_writeback(struct page *page) | |
31 | { | |
32 | return folio_wait_writeback(page_folio(page)); | |
33 | } | |
34 | EXPORT_SYMBOL_GPL(wait_on_page_writeback); | |
a49d0c50 MWO |
35 | |
36 | void wait_for_stable_page(struct page *page) | |
37 | { | |
38 | return folio_wait_stable(page_folio(page)); | |
39 | } | |
40 | EXPORT_SYMBOL_GPL(wait_for_stable_page); | |
dd10ab04 MWO |
41 | |
42 | bool page_mapped(struct page *page) | |
43 | { | |
44 | return folio_mapped(page_folio(page)); | |
45 | } | |
46 | EXPORT_SYMBOL(page_mapped); | |
76580b65 MWO |
47 | |
48 | void mark_page_accessed(struct page *page) | |
49 | { | |
50 | folio_mark_accessed(page_folio(page)); | |
51 | } | |
52 | EXPORT_SYMBOL(mark_page_accessed); | |
3417013e MWO |
53 | |
54 | #ifdef CONFIG_MIGRATION | |
55 | int migrate_page_move_mapping(struct address_space *mapping, | |
56 | struct page *newpage, struct page *page, int extra_count) | |
57 | { | |
58 | return folio_migrate_mapping(mapping, page_folio(newpage), | |
59 | page_folio(page), extra_count); | |
60 | } | |
61 | EXPORT_SYMBOL(migrate_page_move_mapping); | |
19138349 MWO |
62 | |
63 | void migrate_page_states(struct page *newpage, struct page *page) | |
64 | { | |
65 | folio_migrate_flags(page_folio(newpage), page_folio(page)); | |
66 | } | |
67 | EXPORT_SYMBOL(migrate_page_states); | |
715cbfd6 MWO |
68 | |
69 | void migrate_page_copy(struct page *newpage, struct page *page) | |
70 | { | |
71 | folio_migrate_copy(page_folio(newpage), page_folio(page)); | |
72 | } | |
73 | EXPORT_SYMBOL(migrate_page_copy); | |
3417013e | 74 | #endif |
f143f1ea MWO |
75 | |
76 | bool set_page_writeback(struct page *page) | |
77 | { | |
78 | return folio_start_writeback(page_folio(page)); | |
79 | } | |
80 | EXPORT_SYMBOL(set_page_writeback); | |
b5e84594 MWO |
81 | |
82 | bool set_page_dirty(struct page *page) | |
83 | { | |
84 | return folio_mark_dirty(page_folio(page)); | |
85 | } | |
86 | EXPORT_SYMBOL(set_page_dirty); | |
85d4d2eb MWO |
87 | |
88 | int __set_page_dirty_nobuffers(struct page *page) | |
89 | { | |
90 | return filemap_dirty_folio(page_mapping(page), page_folio(page)); | |
91 | } | |
92 | EXPORT_SYMBOL(__set_page_dirty_nobuffers); | |
9350f20a MWO |
93 | |
94 | bool clear_page_dirty_for_io(struct page *page) | |
95 | { | |
96 | return folio_clear_dirty_for_io(page_folio(page)); | |
97 | } | |
98 | EXPORT_SYMBOL(clear_page_dirty_for_io); | |
cd78ab11 MWO |
99 | |
100 | bool redirty_page_for_writepage(struct writeback_control *wbc, | |
101 | struct page *page) | |
102 | { | |
103 | return folio_redirty_for_writepage(wbc, page_folio(page)); | |
104 | } | |
105 | EXPORT_SYMBOL(redirty_page_for_writepage); | |
0d31125d MWO |
106 | |
107 | void lru_cache_add(struct page *page) | |
108 | { | |
109 | folio_add_lru(page_folio(page)); | |
110 | } | |
111 | EXPORT_SYMBOL(lru_cache_add); | |
9dd3d069 MWO |
112 | |
113 | int add_to_page_cache_lru(struct page *page, struct address_space *mapping, | |
114 | pgoff_t index, gfp_t gfp) | |
115 | { | |
116 | return filemap_add_folio(mapping, page_folio(page), index, gfp); | |
117 | } | |
118 | EXPORT_SYMBOL(add_to_page_cache_lru); | |
3f0c6a07 | 119 | |
b27652d9 | 120 | noinline |
3f0c6a07 MWO |
121 | struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index, |
122 | int fgp_flags, gfp_t gfp) | |
123 | { | |
124 | struct folio *folio; | |
125 | ||
126 | folio = __filemap_get_folio(mapping, index, fgp_flags, gfp); | |
127 | if ((fgp_flags & FGP_HEAD) || !folio || xa_is_value(folio)) | |
128 | return &folio->page; | |
129 | return folio_file_page(folio, index); | |
130 | } | |
131 | EXPORT_SYMBOL(pagecache_get_page); | |
b27652d9 MWO |
132 | |
133 | struct page *grab_cache_page_write_begin(struct address_space *mapping, | |
134 | pgoff_t index, unsigned flags) | |
135 | { | |
136 | unsigned fgp_flags = FGP_LOCK | FGP_WRITE | FGP_CREAT | FGP_STABLE; | |
137 | ||
138 | if (flags & AOP_FLAG_NOFS) | |
139 | fgp_flags |= FGP_NOFS; | |
140 | return pagecache_get_page(mapping, index, fgp_flags, | |
141 | mapping_gfp_mask(mapping)); | |
142 | } | |
143 | EXPORT_SYMBOL(grab_cache_page_write_begin); | |
452e9e69 MWO |
144 | |
145 | void delete_from_page_cache(struct page *page) | |
146 | { | |
147 | return filemap_remove_folio(page_folio(page)); | |
148 | } | |
82c50f8b MWO |
149 | |
150 | int try_to_release_page(struct page *page, gfp_t gfp) | |
151 | { | |
152 | return filemap_release_folio(page_folio(page), gfp); | |
153 | } | |
154 | EXPORT_SYMBOL(try_to_release_page); | |
d1d8a3b4 MWO |
155 | |
156 | int isolate_lru_page(struct page *page) | |
157 | { | |
158 | if (WARN_RATELIMIT(PageTail(page), "trying to isolate tail page")) | |
159 | return -EBUSY; | |
160 | return folio_isolate_lru((struct folio *)page); | |
161 | } | |
ca6d60f3 MWO |
162 | |
163 | void putback_lru_page(struct page *page) | |
164 | { | |
165 | folio_putback_lru(page_folio(page)); | |
166 | } |