277 			       enum ovl_opt layer, const char *name, bool upper)  in ovl_mount_dir_check()  argument
314 		if (ctx->lowerdir_all && layer != Opt_lowerdir)  in ovl_mount_dir_check()
316 		if (ctx->nr_data && layer == Opt_lowerdir_add)  in ovl_mount_dir_check()
345 static void ovl_add_layer(struct fs_context *fc, enum ovl_opt layer,  in ovl_add_layer()  argument
353 	switch (layer) {  in ovl_add_layer()
379 static inline bool is_upper_layer(enum ovl_opt layer)  in is_upper_layer()  argument
381 	return layer == Opt_upperdir || layer == Opt_workdir;  in is_upper_layer()
386 				enum ovl_opt layer)  in ovl_kern_path()  argument
390 	switch (layer) {  in ovl_kern_path()
412 			      struct path *layer_path, enum ovl_opt layer)  in ovl_do_parse_layer()  argument
421 	upper = is_upper_layer(layer);  in ovl_do_parse_layer()
422 	err = ovl_mount_dir_check(fc, layer_path, layer, name, upper);  in ovl_do_parse_layer()
433 	ovl_add_layer(fc, layer, layer_path, &name);  in ovl_do_parse_layer()
438 			   enum ovl_opt layer)  in ovl_parse_layer()  argument
445 		err = ovl_kern_path(param->string, &layer_path, layer);  in ovl_parse_layer()
448 		err = ovl_do_parse_layer(fc, param->string, &layer_path, layer);  in ovl_parse_layer()
465 		err = ovl_do_parse_layer(fc, layer_name, &layer_path, layer);  in ovl_parse_layer()