205 			/* count layers, not colons */  in ovl_parse_param_split_lowerdirs()
350  *     Set "/lower1", "/lower2", and "/lower3" as lower layers and
351  *     "/data1" and "/data2" as data lower layers. Any existing lower
352  *     layers are replaced.
368 	/* drop all existing lower layers */  in ovl_parse_param_lowerdir()
436 	 *       layers ":".  in ovl_parse_param_lowerdir()
439 	 *       data "::" layers.  in ovl_parse_param_lowerdir()
440 	 *       => We need to verify that data lower layers "::" aren't  in ovl_parse_param_lowerdir()
441 	 *          followed by regular ":" lower layers  in ovl_parse_param_lowerdir()
447 	 *       => We need to verify that no data layers have been  in ovl_parse_param_lowerdir()
451 	 *       other data layers. => There's nothing to verify.  in ovl_parse_param_lowerdir()
479 			 * there are no data layers.  in ovl_parse_param_lowerdir()
482 				pr_err("regular lower layers cannot follow data lower layers");  in ovl_parse_param_lowerdir()
692 	 * By default we allocate for three lower layers. It's likely  in ovl_init_fs_context()
742 		iput(ofs->layers[i].trap);  in ovl_free_fs()
744 		mounts[i] = ofs->layers[i].mnt;  in ovl_free_fs()
747 	kfree(ofs->layers);  in ovl_free_fs()
940 	 * >= 0 regular lower layers prefixed with : and  in ovl_show_options()
941 	 * >= 0 data-only lower layers prefixed with ::  in ovl_show_options()