linux/mm/folio-compat.c
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Prefs
   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);
  87