1 files changed, 24 insertions, 0 deletions

diff --git a/util-linux/rdev.c b/util-linux/rdev.c
new file mode 100644
index 000000000..33abd39dc
--- /dev/null
+++ b/util-linux/rdev.c
@@ -0,0 +1,24 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * rdev - print device node associated with a filesystem
+ *
+ * Copyright (c) 2008 Nuovation System Designs, LLC
+ *   Grant Erickson <gerickson@nuovations.com>
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ *
+ */
+
+#include "libbb.h"
+
+int rdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int rdev_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
+{
+        char const * const root_device = find_block_device("/");
+
+        if (root_device != NULL) {
+                printf("%s /\n", root_device);
+                return EXIT_SUCCESS;
+        }
+        return EXIT_FAILURE;
+}