2 files changed, 9 insertions, 0 deletions

diff --git a/include/applets.h b/include/applets.h
index 27c118e68..2363e72cd 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -286,6 +286,7 @@ USE_PSCAN(APPLET(pscan, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_PWD(APPLET_NOFORK(pwd, pwd, _BB_DIR_BIN, _BB_SUID_NEVER, pwd))
 USE_RAIDAUTORUN(APPLET(raidautorun, _BB_DIR_SBIN, _BB_SUID_NEVER))
 USE_RDATE(APPLET(rdate, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
+USE_RDEV(APPLET(rdev, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
 USE_READAHEAD(APPLET(readahead, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_READLINK(APPLET(readlink, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_READPROFILE(APPLET(readprofile, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
diff --git a/include/usage.h b/include/usage.h
index 1e05eabc6..57a9f99b8 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -3168,6 +3168,14 @@
      "\n        -s      Set the system date and time (default)" \
      "\n        -p      Print the date and time" \
 
+#define rdev_trivial_usage \
+       ""
+#define rdev_full_usage "\n\n" \
+       "Print the device node associated with the filesystem mounted at '/'"
+#define rdev_example_usage \
+       "$ rdev\n" \
+       "/dev/mtdblock9 /\n"
+
 #define readahead_trivial_usage \
        "[FILE]..."
 #define readahead_full_usage "\n\n" \