2390 static int filemap_read_folio(struct file *file, filler_t filler,  in filemap_read_folio()  argument
2407 	error = filler(file, folio);  in filemap_read_folio()
3488 		pgoff_t index, filler_t filler, struct file *file, gfp_t gfp)  in do_read_cache_folio()  argument
3493 	if (!filler)  in do_read_cache_folio()
3494 		filler = mapping->a_ops->read_folio;  in do_read_cache_folio()
3510 		goto filler;  in do_read_cache_folio()
3533 filler:  in do_read_cache_folio()
3534 	err = filemap_read_folio(file, filler, folio);  in do_read_cache_folio()
3564 		filler_t filler, struct file *file)  in read_cache_folio()  argument
3566 	return do_read_cache_folio(mapping, index, filler, file,  in read_cache_folio()
3572 		pgoff_t index, filler_t *filler, struct file *file, gfp_t gfp)  in do_read_cache_page()  argument
3576 	folio = do_read_cache_folio(mapping, index, filler, file, gfp);  in do_read_cache_page()
3583 			pgoff_t index, filler_t *filler, struct file *file)  in read_cache_page()  argument
3585 	return do_read_cache_page(mapping, index, filler, file,  in read_cache_page()