Index: uspace/app/mkext4/mkext4.c
===================================================================
--- uspace/app/mkext4/mkext4.c	(revision 21751785b96d50c71310a8d9b941dda5399bd88a)
+++ uspace/app/mkext4/mkext4.c	(revision 6ba36a06a45504c616f4b873b65b26d271265a90)
@@ -52,10 +52,10 @@
 	char *dev_path;
 	service_id_t service_id;
-	ext4_cfg_ver_t ver;
+	ext4_cfg_t cfg;
 	char *endptr;
 	aoff64_t nblocks;
-	char *label;
+	const char *label = "";
 
-	ver = ext4_def_fs_version;
+	cfg.version = ext4_def_fs_version;
 
 	if (argc < 2) {
@@ -98,5 +98,5 @@
 			}
 
-			rc = ext4_version_parse(*argv, &ver);
+			rc = ext4_version_parse(*argv, &cfg.version);
 			if (rc != EOK) {
 				printf(NAME ": Error, invalid argument.\n");
@@ -146,8 +146,8 @@
 	}
 
-	(void) label;
+	cfg.volume_name = label;
 	(void) nblocks;
 
-	rc = ext4_filesystem_create(ver, service_id);
+	rc = ext4_filesystem_create(&cfg, service_id);
 	if (rc != EOK) {
 		printf(NAME ": Error initializing file system.\n");