1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Compatibility functions which bloat the callers too much to make inline. 4 * All of the callers of these functions should be converted to use folios 5 * eventually. 6 */ 7 8 #include <linux/migrate.h> 9 #include <linux/pagemap.h> 10 #include <linux/rmap.h> 11 #include <linux/swap.h> 12 #include "internal.h" 13 14 void unlock_page(struct page *page) 15 { 16 return folio_unlock(page_folio(page)); 17 } 18 EXPORT_SYMBOL(unlock_page); 19 20 void end_page_writeback(struct page *page) 21 { 22 return folio_end_writeback(page_folio(page)); 23 } 24 EXPORT_SYMBOL(end_page_writeback); 25 26 void wait_on_page_writeback(struct page *page) 27 { 28 return folio_wait_writeback(page_folio(page)); 29 } 30 EXPORT_SYMBOL_GPL(wait_on_page_writeback); 31 32 void mark_page_accessed(struct page *page) 33 { 34 folio_mark_accessed(page_folio(page)); 35 } 36 EXPORT_SYMBOL(mark_page_accessed); 37 38 void set_page_writeback(struct page *page) 39 { 40 folio_start_writeback(page_folio(page)); 41 } 42 EXPORT_SYMBOL(set_page_writeback); 43 44 bool set_page_dirty(struct page *page) 45 { 46 return folio_mark_dirty(page_folio(page)); 47 } 48 EXPORT_SYMBOL(set_page_dirty); 49 50 int set_page_dirty_lock(struct page *page) 51 { 52 return folio_mark_dirty_lock(page_folio(page)); 53 } 54 EXPORT_SYMBOL(set_page_dirty_lock); 55 56 bool clear_page_dirty_for_io(struct page *page) 57 { 58 return folio_clear_dirty_for_io(page_folio(page)); 59 } 60 EXPORT_SYMBOL(clear_page_dirty_for_io); 61 62 bool redirty_page_for_writepage(struct writeback_control *wbc, 63 struct page *page) 64 { 65 return folio_redirty_for_writepage(wbc, page_folio(page)); 66 } 67 EXPORT_SYMBOL(redirty_page_for_writepage); 68 69 int add_to_page_cache_lru(struct page *page, struct address_space *mapping, 70 pgoff_t index, gfp_t gfp) 71 { 72 return filemap_add_folio(mapping, page_folio(page), index, gfp); 73 } 74 EXPORT_SYMBOL(add_to_page_cache_lru); 75 76 noinline 77 struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index, 78 fgf_t fgp_flags, gfp_t gfp) 79 { 80 struct folio *folio; 81 82 folio = __filemap_get_folio(mapping, index, fgp_flags, gfp); 83 if (IS_ERR(folio)) 84 return NULL; 85 return folio_file_page(folio, index); 86 } 87 EXPORT_SYMBOL(pagecache_get_page); 88