{
sysfs_path="${1#/sys}"
- if udevadm test-builtin path_id "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-[^-]*-(ide|sas|scsi|usb|virtio)|platform-sata_mv|platform-orion-ehci|platform-mmc|platform-mxsdhci)"
+ if udevadm info --query=all --path="${sysfs_path}" | egrep -q "DEVTYPE=disk"
then
return 0
elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
# Adding lvm support
if [ -x /scripts/local-top/lvm2 ]
then
- ROOT="$device" resume="" /scripts/local-top/lvm2
+ ROOT="$device" resume="" /scripts/local-top/lvm2 >>/boot.log
fi
;;
# Adding raid support
if [ -x /scripts/local-top/mdadm ]
then
- cp /conf/conf.d/md /conf/conf.d/md.orig
+ [ -r /conf/conf.d/md ] && cp /conf/conf.d/md /conf/conf.d/md.orig
echo "MD_DEVS=$device " >> /conf/conf.d/md
- /scripts/local-top/mdadm
- mv /conf/conf.d/md.orig /conf/conf.d/md
+ /scripts/local-top/mdadm >>/boot.log
+ [ -r /conf/conf.d/md.orig ] && mv /conf/conf.d/md.orig /conf/conf.d/md
fi
;;
esac
}
# Try to mount $device to the place expected by live-boot. If $device
-# is already mounted somewhere, move it to the expected place. If
-# we're only probing $device (to check if it has custom persistence)
+# is already mounted somewhere, move it to the expected place. If $device
+# ends with a "/" this is a directory path.
+# If we're only probing $device (to check if it has custom persistence)
# $probe should be set, which suppresses warnings upon failure. On
# success, print the mount point for $device.
mount_persistence_media ()
device=${1}
probe=${2}
+ # get_custom_mounts() might call this with a directory path instead
+ # of a block device path. This means we have found sub-directory path
+ # underneath /lib/live/mounts/persistence, so we're done
+ if [ -d "${device}" ]
+ then
+ echo "${device}"
+ return 0
+ fi
+
+ if [ ! -b "${device}" ]
+ then
+ return 1
+ fi
+
backing="/live/persistence/$(basename ${device})"
mkdir -p "${backing}"
fi
elif [ "${backing}" != "${old_backing}" ]
then
- if mount --move ${old_backing} ${backing} >/dev/null
+ if ! mount --move ${old_backing} ${backing} >/dev/null
then
- echo ${backing}
- return 0
- else
[ -z "${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 $device has already been mounted on
# the place expected by live-boot, so we're done.
fi
}
+probe_for_directory_name ()
+{
+ local overlays dev ret backing
+ overlays="${1}"
+ dev="${2}"
+
+ ret=""
+ backing="$(mount_persistence_media ${dev} probe)"
+ if [ -z "${backing}" ]
+ then
+ return
+ fi
+
+ for label in ${overlays}
+ do
+ path=${backing}/${PERSISTENCE_PATH}/${label}
+ if [ -d "${path}" ]
+ then
+ # in this case the "device" ends with a "/"
+ ret="${ret} ${label}=${backing}/${PERSISTENCE_PATH}/${label%%/}/"
+ fi
+ done
+
+ if [ -n "${ret}" ]
+ then
+ echo ${ret}
+ else
+ # unmount and remove mountpoint
+ umount ${backing} > /dev/null 2>&1 || true
+ rmdir ${backing} > /dev/null 2>&1 || true
+ fi
+}
+
find_persistence_media ()
{
# Scans devices for overlays, and returns a whitespace
white_listed_devices="${2}"
ret=""
- black_listed_devices="$(what_is_mounted_on /live/medium) $(what_is_mounted_on /live/findiso) $(what_is_mounted_on /live/fromiso)"
+ #
+ # The devices that are hosting the actual live rootfs should not be
+ # used for persistence storage since otherwise you might mount a
+ # parent directory on top of a sub-directory of the same filesystem
+ # in one union together.
+ #
+ black_listed_devices=""
+ for d in /live/rootfs/* /live/findiso /live/fromiso
+ do
+ black_listed_devices="${black_listed_devices} $(what_is_mounted_on d)"
+ done
for dev in $(storage_devices "${black_listed_devices}" "${white_listed_devices}")
do
fi
fi
+ # Probe for directory with matching name on mounted partition
+ if is_in_comma_sep_list directory ${PERSISTENCE_STORAGE}
+ then
+ result=$(probe_for_directory_name "${overlays}" ${dev})
+ if [ -n "${result}" ]
+ then
+ ret="${ret} ${result}"
+ continue
+ fi
+ fi
+
# Close luks device if it isn't used
if [ -z "${result}" ] && [ -n "${luks_device}" ] && is_active_luks_mapping "${luks_device}"
then
for device in ${devices}
do
- if [ ! -b "${device}" ]
- then
- continue
- fi
-
local device_name backing include_list
device_name="$(basename ${device})"
backing=$(mount_persistence_media ${device})