build_image: always specify filesystem type for mount

build_image

 #!/bin/bash
 
 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Script to build a bootable keyfob-based chromeos system image from within
 # a chromiumos setup. This assumes that all needed packages have been built into
 # the given target's root with binary packages turned on. This script will
 # build the Chrome OS image using only pre-built binary packages.
@@ skipping 551 matching lines @@
   sudo tune2fs -L "${DISK_LABEL}" \
                -U clear \
                -T 20091119110000 \
                -c 0 \
                -i 0 \
                -m 0 \
                -r 0 \
                -e remount-ro \
                 "${LOOP_DEV}"
   # TODO(wad) call tune2fs prior to finalization to set the mount count to 0.
-  sudo mount "${LOOP_DEV}" "${ROOT_FS_DIR}"
+  sudo mount -t ext2 "${LOOP_DEV}" "${ROOT_FS_DIR}"
 
   # Create stateful partition of the same size as the rootfs.
   STATEFUL_LOOP_DEV=$(sudo losetup -f)
   if [ -z "${STATEFUL_LOOP_DEV}" ] ; then
     echo "No free loop device.  Free up a loop device or reboot.  exiting. "
     exit 1
   fi
   STATEFUL_SIZE_BYTES=$((1024 * 1024 * ${FLAGS_statefulfs_size}))
   dd if=/dev/zero of="${STATEFUL_FS_IMG}" bs=1 count=1 \
       seek=$((STATEFUL_SIZE_BYTES - 1))
 
   # Tune and mount the stateful partition.
   UUID=$(uuidgen)
   DISK_LABEL="C-STATE"
   sudo losetup "${STATEFUL_LOOP_DEV}" "${STATEFUL_FS_IMG}"
   sudo mkfs.ext3 "${STATEFUL_LOOP_DEV}"
   sudo tune2fs -L "${DISK_LABEL}" -U "${UUID}" -c 0 -i 0 "${STATEFUL_LOOP_DEV}"
-  sudo mount "${STATEFUL_LOOP_DEV}" "${STATEFUL_FS_DIR}"
+  sudo mount -t ext3 "${STATEFUL_LOOP_DEV}" "${STATEFUL_FS_DIR}"
 
   # -- Install packages into the root file system --
 
   # We need to install libc manually from the cross toolchain.
   # TODO: Improve this? We only want libc and not the whole toolchain.
   # TODO(raymes): Remove this check after some time which ensures
   # backward compatibility with the crossdev location change.
   PKGDIR="/var/lib/portage/pkgs"
   LIBC_TAR="glibc-${LIBC_VERSION}.tbz2"
   NEW_LIBC_PATH="${PKGDIR}/cross-${CHOST}/${LIBC_TAR}"
@@ skipping 207 matching lines @@
   echo "Developer image created as ${DEVELOPER_IMAGE_NAME}"
 fi
 
 print_time_elapsed
 
 echo "To copy to USB keyfob, do something like:"
 echo "  ./image_to_usb.sh --from=${OUTSIDE_OUTPUT_DIR} --to=/dev/sdX"
 echo "To convert to VMWare image, INSIDE the chroot, do something like:"
 echo "  ./image_to_vm.sh --from=${OUTSIDE_OUTPUT_DIR} --board=${BOARD}"
 echo "from the scripts directory where you entered the chroot."