diff options
Diffstat (limited to 'package/block-mount/files/60_pivot_usb_root')
| -rw-r--r-- | package/block-mount/files/60_pivot_usb_root | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/package/block-mount/files/60_pivot_usb_root b/package/block-mount/files/60_pivot_usb_root new file mode 100644 index 0000000000..b610a4ade1 --- /dev/null +++ b/package/block-mount/files/60_pivot_usb_root @@ -0,0 +1,27 @@ +#!/bin/sh +# Copyright (C) 2010 Vertical Communications + +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. + +# Determine if we are requested to mount external root + +external_root_pivot() { + check_skip || [ "$pi_extroot_mount_success" != "true" ] || { + echo "switching to external rootfs" + if [ "$ER_OVERLAY_ROM" = "/overlay" ]; then + if [ "$ER_IS_SQUASHFS" = "true" ]; then + umount /tmp/overlay + fi + mount -o remount,ro / && fopivot /overlay /rom && pi_mount_skip_next=true + elif [ "$ER_OVERLAY_ROM" = "/rom" ]; then + if [ "$ER_IS_SQUASHFS" = "true" ]; then + umount /tmp/overlay + fi + mount -o remount,ro / && pivot_rom /rom /rom && pi_mount_skip_next=true + fi + } +} + +boot_hook_add preinit_mount_root external_root_pivot + |