diff --git a/crypto/fs_mgr/fs_mgr_main.c b/crypto/fs_mgr/fs_mgr_main.c
new file mode 100644
index 0000000..81febf1
--- /dev/null
+++ b/crypto/fs_mgr/fs_mgr_main.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <libgen.h>
+#include "fs_mgr_priv.h"
+
+char *me = "";
+
+static void usage(void)
+{
+    ERROR("%s: usage: %s <-a | -n mnt_point blk_dev | -u> <fstab_file>\n", me, me);
+    exit(1);
+}
+
+/* Parse the command line.  If an error is encountered, print an error message
+ * and exit the program, do not return to the caller.
+ * Return the number of argv[] entries consumed.
+ */
+static void parse_options(int argc, char *argv[], int *a_flag, int *u_flag, int *n_flag,
+                     char **n_name, char **n_blk_dev)
+{
+    me = basename(strdup(argv[0]));
+
+    if (argc <= 1) {
+        usage();
+    }
+
+    if (!strcmp(argv[1], "-a")) {
+        if (argc != 3) {
+            usage();
+        }
+        *a_flag = 1;
+    }
+    if (!strcmp(argv[1], "-n")) {
+        if (argc != 5) {
+            usage();
+        }
+        *n_flag = 1;
+        *n_name = argv[2];
+        *n_blk_dev = argv[3];
+    }
+    if (!strcmp(argv[1], "-u")) {
+        if (argc != 3) {
+            usage();
+        }
+        *u_flag = 1;
+    }
+
+    /* If no flag is specified, it's an error */
+    if (!(*a_flag | *n_flag | *u_flag)) {
+        usage();
+    }
+
+    /* If more than one flag is specified, it's an error */
+    if ((*a_flag + *n_flag + *u_flag) > 1) {
+        usage();
+    }
+
+    return;
+}
+
+int main(int argc, char *argv[])
+{
+    int a_flag=0;
+    int u_flag=0;
+    int n_flag=0;
+    char *n_name;
+    char *n_blk_dev;
+    char *fstab;
+
+    klog_init();
+    klog_set_level(6);
+
+    parse_options(argc, argv, &a_flag, &u_flag, &n_flag, &n_name, &n_blk_dev);
+
+    /* The name of the fstab file is last, after the option */
+    fstab = argv[argc - 1];
+
+    if (a_flag) {
+        return fs_mgr_mount_all(fstab);
+    } else if (n_flag) {
+        return fs_mgr_do_mount(fstab, n_name, n_blk_dev, 0);
+    } else if (u_flag) {
+        return fs_mgr_unmount_all(fstab);
+    } else {
+        ERROR("%s: Internal error, unknown option\n", me);
+        exit(1);
+    }
+
+    /* Should not get here */
+    exit(1);
+}
+