Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
7#include <linux/migrate.h>
8#include <linux/pagemap.h>
9#include <linux/rmap.h>
10#include <linux/swap.h>
11#include "internal.h"
12
13void unlock_page(struct page *page)
14{
15 return folio_unlock(page_folio(page));
16}
17EXPORT_SYMBOL(unlock_page);
18
19void end_page_writeback(struct page *page)
20{
21 return folio_end_writeback(page_folio(page));
22}
23EXPORT_SYMBOL(end_page_writeback);
24
25void wait_on_page_writeback(struct page *page)
26{
27 return folio_wait_writeback(page_folio(page));
28}
29EXPORT_SYMBOL_GPL(wait_on_page_writeback);
30
31void mark_page_accessed(struct page *page)
32{
33 folio_mark_accessed(page_folio(page));
34}
35EXPORT_SYMBOL(mark_page_accessed);
36
37void set_page_writeback(struct page *page)
38{
39 folio_start_writeback(page_folio(page));
40}
41EXPORT_SYMBOL(set_page_writeback);
42
43bool set_page_dirty(struct page *page)
44{
45 return folio_mark_dirty(page_folio(page));
46}
47EXPORT_SYMBOL(set_page_dirty);
48
49int set_page_dirty_lock(struct page *page)
50{
51 return folio_mark_dirty_lock(page_folio(page));
52}
53EXPORT_SYMBOL(set_page_dirty_lock);
54
55bool clear_page_dirty_for_io(struct page *page)
56{
57 return folio_clear_dirty_for_io(page_folio(page));
58}
59EXPORT_SYMBOL(clear_page_dirty_for_io);
60
61bool redirty_page_for_writepage(struct writeback_control *wbc,
62 struct page *page)
63{
64 return folio_redirty_for_writepage(wbc, page_folio(page));
65}
66EXPORT_SYMBOL(redirty_page_for_writepage);
67
68int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
69 pgoff_t index, gfp_t gfp)
70{
71 return filemap_add_folio(mapping, page_folio(page), index, gfp);
72}
73EXPORT_SYMBOL(add_to_page_cache_lru);
74
75noinline
76struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index,
77 fgf_t fgp_flags, gfp_t gfp)
78{
79 struct folio *folio;
80
81 folio = __filemap_get_folio(mapping, index, fgp_flags, gfp);
82 if (IS_ERR(folio))
83 return NULL;
84 return folio_file_page(folio, index);
85}
86EXPORT_SYMBOL(pagecache_get_page);