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> |
4d510f3d | 9 | #include <linux/rmap.h> |
76580b65 | 10 | #include <linux/swap.h> |
d1d8a3b4 | 11 | #include "internal.h" |
2f52578f MWO |
12 | |
13 | struct address_space *page_mapping(struct page *page) | |
14 | { | |
15 | return folio_mapping(page_folio(page)); | |
16 | } | |
17 | EXPORT_SYMBOL(page_mapping); | |
4e136428 MWO |
18 | |
19 | void unlock_page(struct page *page) | |
20 | { | |
21 | return folio_unlock(page_folio(page)); | |
22 | } | |
23 | EXPORT_SYMBOL(unlock_page); | |
4268b480 MWO |
24 | |
25 | void end_page_writeback(struct page *page) | |
26 | { | |
27 | return folio_end_writeback(page_folio(page)); | |
28 | } | |
29 | EXPORT_SYMBOL(end_page_writeback); | |
490e016f MWO |
30 | |
31 | void wait_on_page_writeback(struct page *page) | |
32 | { | |
33 | return folio_wait_writeback(page_folio(page)); | |
34 | } | |
35 | EXPORT_SYMBOL_GPL(wait_on_page_writeback); | |
a49d0c50 MWO |
36 | |
37 | void wait_for_stable_page(struct page *page) | |
38 | { | |
39 | return folio_wait_stable(page_folio(page)); | |
40 | } | |
41 | EXPORT_SYMBOL_GPL(wait_for_stable_page); | |
dd10ab04 | 42 | |
76580b65 MWO |
43 | void mark_page_accessed(struct page *page) |
44 | { | |
45 | folio_mark_accessed(page_folio(page)); | |
46 | } | |
47 | EXPORT_SYMBOL(mark_page_accessed); | |
3417013e | 48 | |
b5612c36 | 49 | void set_page_writeback(struct page *page) |
f143f1ea | 50 | { |
b5612c36 | 51 | folio_start_writeback(page_folio(page)); |
f143f1ea MWO |
52 | } |
53 | EXPORT_SYMBOL(set_page_writeback); | |
b5e84594 MWO |
54 | |
55 | bool set_page_dirty(struct page *page) | |
56 | { | |
57 | return folio_mark_dirty(page_folio(page)); | |
58 | } | |
59 | EXPORT_SYMBOL(set_page_dirty); | |
85d4d2eb MWO |
60 | |
61 | int __set_page_dirty_nobuffers(struct page *page) | |
62 | { | |
63 | return filemap_dirty_folio(page_mapping(page), page_folio(page)); | |
64 | } | |
65 | EXPORT_SYMBOL(__set_page_dirty_nobuffers); | |
9350f20a MWO |
66 | |
67 | bool clear_page_dirty_for_io(struct page *page) | |
68 | { | |
69 | return folio_clear_dirty_for_io(page_folio(page)); | |
70 | } | |
71 | EXPORT_SYMBOL(clear_page_dirty_for_io); | |
cd78ab11 MWO |
72 | |
73 | bool redirty_page_for_writepage(struct writeback_control *wbc, | |
74 | struct page *page) | |
75 | { | |
76 | return folio_redirty_for_writepage(wbc, page_folio(page)); | |
77 | } | |
78 | EXPORT_SYMBOL(redirty_page_for_writepage); | |
0d31125d | 79 | |
9dd3d069 MWO |
80 | int add_to_page_cache_lru(struct page *page, struct address_space *mapping, |
81 | pgoff_t index, gfp_t gfp) | |
82 | { | |
83 | return filemap_add_folio(mapping, page_folio(page), index, gfp); | |
84 | } | |
85 | EXPORT_SYMBOL(add_to_page_cache_lru); | |
3f0c6a07 | 86 | |
b27652d9 | 87 | noinline |
3f0c6a07 | 88 | struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index, |
ffc143db | 89 | fgf_t fgp_flags, gfp_t gfp) |
3f0c6a07 MWO |
90 | { |
91 | struct folio *folio; | |
92 | ||
93 | folio = __filemap_get_folio(mapping, index, fgp_flags, gfp); | |
66dabbb6 | 94 | if (IS_ERR(folio)) |
48c9d113 | 95 | return NULL; |
3f0c6a07 MWO |
96 | return folio_file_page(folio, index); |
97 | } | |
98 | EXPORT_SYMBOL(pagecache_get_page); | |
b27652d9 MWO |
99 | |
100 | struct page *grab_cache_page_write_begin(struct address_space *mapping, | |
b7446e7c | 101 | pgoff_t index) |
b27652d9 | 102 | { |
e999a5c5 | 103 | return pagecache_get_page(mapping, index, FGP_WRITEBEGIN, |
b27652d9 MWO |
104 | mapping_gfp_mask(mapping)); |
105 | } | |
106 | EXPORT_SYMBOL(grab_cache_page_write_begin); | |
452e9e69 | 107 | |
f7f9c00d | 108 | bool isolate_lru_page(struct page *page) |
d1d8a3b4 MWO |
109 | { |
110 | if (WARN_RATELIMIT(PageTail(page), "trying to isolate tail page")) | |
f7f9c00d BW |
111 | return false; |
112 | return folio_isolate_lru((struct folio *)page); | |
d1d8a3b4 | 113 | } |
ca6d60f3 MWO |
114 | |
115 | void putback_lru_page(struct page *page) | |
116 | { | |
117 | folio_putback_lru(page_folio(page)); | |
118 | } |