735 	errseq_t old = READ_ONCE(file->f_wb_err);  in file_check_and_advance_wb_err()  local
739 	if (errseq_check(&mapping->wb_err, old)) {  in file_check_and_advance_wb_err()
742 		old = file->f_wb_err;  in file_check_and_advance_wb_err()
745 		trace_file_check_and_advance_wb_err(file, old);  in file_check_and_advance_wb_err()
811 int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask)  in replace_page_cache_page()  argument
813 	struct address_space *mapping = old->mapping;  in replace_page_cache_page()
815 	pgoff_t offset = old->index;  in replace_page_cache_page()
819 	VM_BUG_ON_PAGE(!PageLocked(old), old);  in replace_page_cache_page()
830 	old->mapping = NULL;  in replace_page_cache_page()
832 	if (!PageHuge(old))  in replace_page_cache_page()
836 	if (PageSwapBacked(old))  in replace_page_cache_page()
841 	mem_cgroup_migrate(old, new);  in replace_page_cache_page()
843 		freepage(old);  in replace_page_cache_page()
844 	put_page(old);  in replace_page_cache_page()
859 	void *old;  in __add_to_page_cache_locked()  local
878 		old = xas_load(&xas);  in __add_to_page_cache_locked()
879 		if (old && !xa_is_value(old))  in __add_to_page_cache_locked()
885 		if (xa_is_value(old)) {  in __add_to_page_cache_locked()
888 				*shadowp = old;  in __add_to_page_cache_locked()