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 | 41 | |
76580b65 MWO |
42 | void mark_page_accessed(struct page *page) |
43 | { | |
44 | folio_mark_accessed(page_folio(page)); | |
45 | } | |
46 | EXPORT_SYMBOL(mark_page_accessed); | |
3417013e | 47 | |
f143f1ea MWO |
48 | bool set_page_writeback(struct page *page) |
49 | { | |
50 | return folio_start_writeback(page_folio(page)); | |
51 | } | |
52 | EXPORT_SYMBOL(set_page_writeback); | |
b5e84594 MWO |
53 | |
54 | bool set_page_dirty(struct page *page) | |
55 | { | |
56 | return folio_mark_dirty(page_folio(page)); | |
57 | } | |
58 | EXPORT_SYMBOL(set_page_dirty); | |
85d4d2eb MWO |
59 | |
60 | int __set_page_dirty_nobuffers(struct page *page) | |
61 | { | |
62 | return filemap_dirty_folio(page_mapping(page), page_folio(page)); | |
63 | } | |
64 | EXPORT_SYMBOL(__set_page_dirty_nobuffers); | |
9350f20a MWO |
65 | |
66 | bool clear_page_dirty_for_io(struct page *page) | |
67 | { | |
68 | return folio_clear_dirty_for_io(page_folio(page)); | |
69 | } | |
70 | EXPORT_SYMBOL(clear_page_dirty_for_io); | |
cd78ab11 MWO |
71 | |
72 | bool redirty_page_for_writepage(struct writeback_control *wbc, | |
73 | struct page *page) | |
74 | { | |
75 | return folio_redirty_for_writepage(wbc, page_folio(page)); | |
76 | } | |
77 | EXPORT_SYMBOL(redirty_page_for_writepage); | |
0d31125d | 78 | |
681ecf63 MWO |
79 | void lru_cache_add_inactive_or_unevictable(struct page *page, |
80 | struct vm_area_struct *vma) | |
81 | { | |
82 | folio_add_lru_vma(page_folio(page), vma); | |
83 | } | |
84 | ||
9dd3d069 MWO |
85 | int add_to_page_cache_lru(struct page *page, struct address_space *mapping, |
86 | pgoff_t index, gfp_t gfp) | |
87 | { | |
88 | return filemap_add_folio(mapping, page_folio(page), index, gfp); | |
89 | } | |
90 | EXPORT_SYMBOL(add_to_page_cache_lru); | |
3f0c6a07 | 91 | |
b27652d9 | 92 | noinline |
3f0c6a07 MWO |
93 | struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index, |
94 | int fgp_flags, gfp_t gfp) | |
95 | { | |
96 | struct folio *folio; | |
97 | ||
98 | folio = __filemap_get_folio(mapping, index, fgp_flags, gfp); | |
c5255b42 | 99 | if (!folio || xa_is_value(folio)) |
3f0c6a07 MWO |
100 | return &folio->page; |
101 | return folio_file_page(folio, index); | |
102 | } | |
103 | EXPORT_SYMBOL(pagecache_get_page); | |
b27652d9 MWO |
104 | |
105 | struct page *grab_cache_page_write_begin(struct address_space *mapping, | |
b7446e7c | 106 | pgoff_t index) |
b27652d9 MWO |
107 | { |
108 | unsigned fgp_flags = FGP_LOCK | FGP_WRITE | FGP_CREAT | FGP_STABLE; | |
109 | ||
b27652d9 MWO |
110 | return pagecache_get_page(mapping, index, fgp_flags, |
111 | mapping_gfp_mask(mapping)); | |
112 | } | |
113 | EXPORT_SYMBOL(grab_cache_page_write_begin); | |
452e9e69 | 114 | |
d1d8a3b4 MWO |
115 | int isolate_lru_page(struct page *page) |
116 | { | |
117 | if (WARN_RATELIMIT(PageTail(page), "trying to isolate tail page")) | |
118 | return -EBUSY; | |
119 | return folio_isolate_lru((struct folio *)page); | |
120 | } | |
ca6d60f3 MWO |
121 | |
122 | void putback_lru_page(struct page *page) | |
123 | { | |
124 | folio_putback_lru(page_folio(page)); | |
125 | } |