Lines Matching defs:old
731 errseq_t old = READ_ONCE(file->f_wb_err);
735 if (errseq_check(&mapping->wb_err, old)) {
738 old = file->f_wb_err;
741 trace_file_check_and_advance_wb_err(file, old);
796 * @old: folio to be replaced
801 * drops it for the old folio. Both the old and new folios must be
807 void replace_page_cache_folio(struct folio *old, struct folio *new)
809 struct address_space *mapping = old->mapping;
811 pgoff_t offset = old->index;
814 VM_BUG_ON_FOLIO(!folio_test_locked(old), old);
822 mem_cgroup_migrate(old, new);
827 old->mapping = NULL;
829 if (!folio_test_hugetlb(old))
830 __lruvec_stat_sub_folio(old, NR_FILE_PAGES);
833 if (folio_test_swapbacked(old))
834 __lruvec_stat_sub_folio(old, NR_SHMEM);
839 free_folio(old);
840 folio_put(old);
873 void *entry, *old = NULL;
880 old = entry;
887 if (old) {
889 *shadowp = old;
895 xas_split(&xas, old, order);