diff --git a/Utils.cpp b/Utils.cpp
new file mode 100644
index 0000000..7cbb2ce
--- /dev/null
+++ b/Utils.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#define LOG_TAG "Vold"
+
+#include "sehandle.h"
+#include "Utils.h"
+#include "Process.h"
+
+#include <cutils/fs.h>
+#include <cutils/log.h>
+#include <utils/file.h>
+#include <utils/stringprintf.h>
+#include <private/android_filesystem_config.h>
+
+#include <fcntl.h>
+#include <linux/fs.h>
+#include <stdlib.h>
+#include <sys/mount.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#ifndef UMOUNT_NOFOLLOW
+#define UMOUNT_NOFOLLOW    0x00000008  /* Don't follow symlink on umount */
+#endif
+
+namespace android {
+namespace vold {
+
+status_t CreateDeviceNode(const std::string& path, dev_t dev) {
+    const char* cpath = path.c_str();
+    status_t res = 0;
+
+    char* secontext = nullptr;
+    if (sehandle) {
+        if (!selabel_lookup(sehandle, &secontext, cpath, S_IFBLK)) {
+            setfscreatecon(secontext);
+        }
+    }
+
+    mode_t mode = 0660 | S_IFBLK;
+    if (mknod(cpath, mode, dev) < 0) {
+        if (errno != EEXIST) {
+            ALOGW("Failed to create device node for %ud:%ud at %s: %s",
+                    major(dev), minor(dev), cpath, strerror(errno));
+            res = -errno;
+        }
+    }
+
+    if (secontext) {
+        setfscreatecon(nullptr);
+        freecon(secontext);
+    }
+
+    return res;
+}
+
+status_t DestroyDeviceNode(const std::string& path) {
+    const char* cpath = path.c_str();
+    if (TEMP_FAILURE_RETRY(unlink(cpath))) {
+        return -errno;
+    } else {
+        return OK;
+    }
+}
+
+status_t ForceUnmount(const std::string& path) {
+    const char* cpath = path.c_str();
+    if (!umount2(cpath, UMOUNT_NOFOLLOW) || errno == EINVAL || errno == ENOENT) {
+        return OK;
+    }
+    ALOGW("Failed to unmount %s (%s), sending SIGTERM", cpath, strerror(errno));
+    Process::killProcessesWithOpenFiles(cpath, SIGTERM);
+    sleep(1);
+
+    if (!umount2(cpath, UMOUNT_NOFOLLOW) || errno == EINVAL || errno == ENOENT) {
+        return OK;
+    }
+    ALOGW("Failed to unmount %s (%s), sending SIGKILL", cpath, strerror(errno));
+    Process::killProcessesWithOpenFiles(cpath, SIGKILL);
+    sleep(1);
+
+    if (!umount2(cpath, UMOUNT_NOFOLLOW) || errno == EINVAL || errno == ENOENT) {
+        return OK;
+    }
+    ALOGW("Failed to unmount %s (%s)", cpath, strerror(errno));
+    return -errno;
+}
+
+}  // namespace vold
+}  // namespace android