Quelle folio-compat.c Sprache: C

/*
* Compatibility functions which bloat the callers too much to make inline.
* All of the callers of these functions should be converted to use folios
* eventually.
*/

#include <linux/migrate.h>
#include <linux/pagemap.h>
#include <linux/rmap.h>
#include <linux/swap.h>
#include "internal.h"

void unlock_page(struct page *page)
{
return folio_unlock(page_folio(page));
}
EXPORT_SYMBOL(unlock_page);

void end_page_writeback(struct page *page)
{
return folio_end_writeback(page_folio(page));
}
EXPORT_SYMBOL(end_page_writeback);

void wait_on_page_writeback(struct page *page)
{
return folio_wait_writeback(page_folio(page));
}
EXPORT_SYMBOL_GPL(wait_on_page_writeback);

void mark_page_accessed(struct page *page)
{
folio_mark_accessed(page_folio(page));
}
EXPORT_SYMBOL(mark_page_accessed);

void set_page_writeback(struct page *page)
{
folio_start_writeback(page_folio(page));
}
EXPORT_SYMBOL(set_page_writeback);

bool set_page_dirty(struct page *page)
{
return folio_mark_dirty(page_folio(page));
}
EXPORT_SYMBOL(set_page_dirty);

int set_page_dirty_lock(struct page *page)
{
return folio_mark_dirty_lock(page_folio(page));
}
EXPORT_SYMBOL(set_page_dirty_lock);

bool clear_page_dirty_for_io(struct page *page)
{
return folio_clear_dirty_for_io(page_folio(page));
}
EXPORT_SYMBOL(clear_page_dirty_for_io);

bool redirty_page_for_writepage(struct writeback_control *wbc,
  struct page *page)
{
return folio_redirty_for_writepage(wbc, page_folio(page));
}
EXPORT_SYMBOL(redirty_page_for_writepage);

int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
  pgoff_t index, gfp_t gfp)
{
return filemap_add_folio(mapping, page_folio(page), index, gfp);
}
EXPORT_SYMBOL(add_to_page_cache_lru);

noinline
struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index,
  fgf_t fgp_flags, gfp_t gfp)
{
struct folio *folio;

folio = __filemap_get_folio(mapping, index, fgp_flags, gfp);
if (IS_ERR(folio))
  return NULL;
return folio_file_page(folio, index);
}
EXPORT_SYMBOL(pagecache_get_page);

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