If the persistence device has been mounted before, e.g. for mounting the
rootfs image file, then we should try to remount it writable. This way the
result for both cases, 1. was and 2. was not mounted before, are identical.
fi
elif [ "${backing}" != "${old_backing}" ]
then
fi
elif [ "${backing}" != "${old_backing}" ]
then
- if mount --move ${old_backing} ${backing} >/dev/null
+ if ! mount --move ${old_backing} ${backing} >/dev/null
- echo ${backing}
- return 0
- else
[ -z "${probe}" ] && log_warning_msg "Failed to move persistence media ${device}"
rmdir "${backing}"
return 1
fi
[ -z "${probe}" ] && log_warning_msg "Failed to move persistence media ${device}"
rmdir "${backing}"
return 1
fi
+ mount_opts="rw,noatime"
+ if [ -n "${PERSISTENCE_READONLY}" ]
+ then
+ mount_opts="ro,noatime"
+ fi
+ if ! mount -o "remount,${mount_opts}" "${backing}" >/dev/null
+ then
+ log_warning_msg "Failed to remount persistence media ${device} writable"
+ # Don't unmount or rmdir the new mountpoint in this case
+ fi
+ echo ${backing}
+ return 0
else
# This means that $device has already been mounted on
# the place expected by live-boot, so we're done.
else
# This means that $device has already been mounted on
# the place expected by live-boot, so we're done.