diff --git a/defaults/initrd.d/00-devmgr.sh b/defaults/initrd.d/00-devmgr.sh
index 355fe9c..e489bd2 100755
--- a/defaults/initrd.d/00-devmgr.sh
+++ b/defaults/initrd.d/00-devmgr.sh
@@ -42,3 +42,31 @@ devmgr_terminate() {
     fi
     # mdev doesn't require anything, it seems
 }
+
+_fs_type_in_use() {
+    local fs_type=${1}
+    cut -d " " -f 3 < /proc/mounts | fgrep -q "${fs_type}"
+}
+
+mount_devfs() {
+    # Use devtmpfs if enabled in kernel,
+    # else tmpfs. Always run mdev just in case
+    local devfs=tmpfs
+    if grep -qs devtmpfs /proc/filesystems ; then
+        devfs=devtmpfs
+    fi
+
+    # Options copied from /etc/init.d/udev-mount
+    # should probably be kept in sync
+    if ! _fs_type_in_use devtmpfs; then
+        mount -t "${devfs}" -o "exec,nosuid,mode=0755,size=10M" \
+            udev /dev || bad_msg "Failed to mount /dev as ${devfs}"
+    fi
+
+    # http://git.busybox.net/busybox/plain/docs/mdev.txt
+    if ! _fs_type_in_use devpts; then
+        mkdir -m 0755 /dev/pts
+        mount -t devpts -o gid=5,mode=0620 devpts /dev/pts \
+            || bad_msg "Failed to mount /dev/pts"
+    fi
+}
diff --git a/defaults/initrd.scripts b/defaults/initrd.scripts
index d06da2f..971ffe7 100755
--- a/defaults/initrd.scripts
+++ b/defaults/initrd.scripts
@@ -415,34 +415,6 @@ run_shell() {
     /bin/ash
 }
 
-fs_type_in_use() {
-    fs_type=$1
-    cut -d " " -f 3 < /proc/mounts | fgrep -q "${fs_type}"
-}
-
-mount_devfs () {
-    # Use devtmpfs if enabled in kernel,
-    # else tmpfs. Always run mdev just in case
-    devfs=tmpfs
-    if grep -qs devtmpfs /proc/filesystems ; then
-        devfs=devtmpfs
-    fi
-
-    # Options copied from /etc/init.d/udev-mount
-    # should probably be kept in sync
-    if ! fs_type_in_use devtmpfs; then
-        mount -t $devfs -o "exec,nosuid,mode=0755,size=10M" udev /dev \
-            || bad_msg "Failed to mount /dev as ${devfs}"
-    fi
-
-    # http://git.busybox.net/busybox/plain/docs/mdev.txt
-    if ! fs_type_in_use devpts; then
-        mkdir -m 0755 /dev/pts
-        mount -t devpts -o gid=5,mode=0620 devpts /dev/pts \
-            || bad_msg "Failed to mount /dev/pts"
-    fi
-}
-
 test_success() {
     retcode=$?
     # If last command failed send error message and fall back to a shell