/* * 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/swap.h> #include "internal.h" struct address_space *page_mapping(struct page *page) { return folio_mapping(page_folio(page)); } EXPORT_SYMBOL(page_mapping); 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 wait_for_stable_page(struct page *page) { return folio_wait_stable(page_folio(page)); } EXPORT_SYMBOL_GPL(wait_for_stable_page); bool page_mapped(struct page *page) { return folio_mapped(page_folio(page)); } EXPORT_SYMBOL(page_mapped); void mark_page_accessed(struct page *page) { folio_mark_accessed(page_folio(page)); } EXPORT_SYMBOL(mark_page_accessed); bool set_page_writeback(struct page *page) { return 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_nobuffers(struct page *page) { return filemap_dirty_folio(page_mapping(page), page_folio(page)); } EXPORT_SYMBOL(__set_page_dirty_nobuffers); 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); void lru_cache_add(struct page *page) { folio_add_lru(page_folio(page)); } EXPORT_SYMBOL(lru_cache_add); 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, int fgp_flags, gfp_t gfp) { struct folio *folio; folio = __filemap_get_folio(mapping, index, fgp_flags, gfp); if ((fgp_flags & FGP_HEAD) || !folio || xa_is_value(folio)) return &folio->page; return folio_file_page(folio, index); } EXPORT_SYMBOL(pagecache_get_page); struct page *grab_cache_page_write_begin(struct address_space *mapping, pgoff_t index) { unsigned fgp_flags = FGP_LOCK | FGP_WRITE | FGP_CREAT | FGP_STABLE; return pagecache_get_page(mapping, index, fgp_flags, mapping_gfp_mask(mapping)); } EXPORT_SYMBOL(grab_cache_page_write_begin); void delete_from_page_cache(struct page *page) { return filemap_remove_folio(page_folio(page)); } int try_to_release_page(struct page *page, gfp_t gfp) { return filemap_release_folio(page_folio(page), gfp); } EXPORT_SYMBOL(try_to_release_page); int isolate_lru_page(struct page *page) { if (WARN_RATELIMIT(PageTail(page), "trying to isolate tail page")) return -EBUSY; return folio_isolate_lru((struct folio *)page); } void putback_lru_page(struct page *page) { folio_putback_lru(page_folio(page)); }