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 wait_for_stable_page(struct page *page)
 32{
 33	return folio_wait_stable(page_folio(page));
 34}
 35EXPORT_SYMBOL_GPL(wait_for_stable_page);
 36
 37void mark_page_accessed(struct page *page)
 38{
 39	folio_mark_accessed(page_folio(page));
 40}
 41EXPORT_SYMBOL(mark_page_accessed);
 42
 43void set_page_writeback(struct page *page)
 44{
 45	folio_start_writeback(page_folio(page));
 46}
 47EXPORT_SYMBOL(set_page_writeback);
 48
 49bool set_page_dirty(struct page *page)
 50{
 51	return folio_mark_dirty(page_folio(page));
 52}
 53EXPORT_SYMBOL(set_page_dirty);
 54
 55int set_page_dirty_lock(struct page *page)
 56{
 57	return folio_mark_dirty_lock(page_folio(page));
 58}
 59EXPORT_SYMBOL(set_page_dirty_lock);
 60
 61bool clear_page_dirty_for_io(struct page *page)
 62{
 63	return folio_clear_dirty_for_io(page_folio(page));
 64}
 65EXPORT_SYMBOL(clear_page_dirty_for_io);
 66
 67bool redirty_page_for_writepage(struct writeback_control *wbc,
 68		struct page *page)
 69{
 70	return folio_redirty_for_writepage(wbc, page_folio(page));
 71}
 72EXPORT_SYMBOL(redirty_page_for_writepage);
 73
 74int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
 75		pgoff_t index, gfp_t gfp)
 76{
 77	return filemap_add_folio(mapping, page_folio(page), index, gfp);
 78}
 79EXPORT_SYMBOL(add_to_page_cache_lru);
 80
 81noinline
 82struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index,
 83		fgf_t fgp_flags, gfp_t gfp)
 84{
 85	struct folio *folio;
 86
 87	folio = __filemap_get_folio(mapping, index, fgp_flags, gfp);
 88	if (IS_ERR(folio))
 89		return NULL;
 90	return folio_file_page(folio, index);
 91}
 92EXPORT_SYMBOL(pagecache_get_page);
 93
 94struct page *grab_cache_page_write_begin(struct address_space *mapping,
 95					pgoff_t index)
 96{
 97	return pagecache_get_page(mapping, index, FGP_WRITEBEGIN,
 98			mapping_gfp_mask(mapping));
 99}
100EXPORT_SYMBOL(grab_cache_page_write_begin);