95 lines · c
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 folios4 * 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 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 75noinline76struct 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 88struct page *grab_cache_page_write_begin(struct address_space *mapping,89 pgoff_t index)90{91 return pagecache_get_page(mapping, index, FGP_WRITEBEGIN,92 mapping_gfp_mask(mapping));93}94EXPORT_SYMBOL(grab_cache_page_write_begin);95