auto
 é    ION=$("$CRYPTSETUP" luksDump "$VOLUME" 2> /dev/null | "$GREP" "Version:")

	if [ -z "$_LUKS_VERSION" ]; then
		verbose "Failed to parse LUKS version on volume \"$VOLUME\""
		return
	fi

	_LUKS_VERSION=${_LUKS_VERSION//[Version:[:space:]]/}

	_LUKS_UUID=$("$CRYPTSETUP" luksDump "$VOLUME" 2> /dev/null | "$GREP" "UUID:")

	if [ -z "$_LUKS_UUID" ]; then
		verbose "Failed to parse LUKS UUID on volume \"$VOLUME\""
		return
	fi

	_LUKS_UUID="CRYPT-LUKS$_LUKS_VERSION-${_LUKS_UUID//[UID:[:space:]-]/}-"

	CRYPT_NAME=$(dmsetup info -c --noheadings -S "UUID=~^$_LUKS_UUID&&segments=1&&devnos_used='$MAJOR:$MINOR'" -o name)
	test -z "$CRYPT_NAME" || CRYPT_DATA_OFFSET=$(dmsetup table "$CRYPT_NAME" | cut -d ' ' -f 8)

	# LUKS device must be active and mapped over volume where detected
	if [ -z "$CRYPT_NAME" ] || [ -z "$CRYPT_DATA_OFFSET" ]; then
		error "Can not find active LUKS device. Unlock \"$VOLUME\" volume first."
	fi
}

######################################
# Resize active LUKS device
# - LUKS must be active for fs resize
######################################
resize_luks() {
	local L_NEWSIZE
	local L_NEWBLOCKCOUNT
	local NAME
	local SHRINK=0

	detect_luks_device

	NAME=$CRYPT_NAME

	verbose "Found active LUKS device \"$NAME\" for volume \"$VOLUME\""

	decode_size "$1" 512

	if [ $((NEWSIZE % 512)) -gt 0 ]; then
		error "New size is not sector alligned"
	fi

	if [ $((NEWBLOCKCOUNT - CRYPT_DATA_OFFSET)) -lt 1 ]; then
		error "New size is smaller than minimum ($(((CRYPT_DATA_OFFSET + 1) * 512)) bytes) for LUKS device $VOLUME"
	fi

	L_NEWBLOCKCOUNT=$((NEWBLOCKCOUNT - CRYPT_DATA_OFFSET))
	L_NEWSIZE=$(( L_NEWBLOCKCOUNT * 512))

	VOLUME="$DM_DEV_DIR/mapper/$NAME"
	detect_device_size

	test "$DEVSIZE" -le "$L_NEWSIZE" || SHRINK=1

	if [ $SHRINK -eq 1 ]; then
		# shrink fs on LUKS device first
		resize "$DM_DEV_DIR/mapper/$NAME" "$L_NEWSIZE"b
	fi

	# resize LUKS device
	dry "$CRYPTSETUP" resize "$NAME" --size $L_NEWBLOCKCOUNT || error "Failed to resize active LUKS device"

	if [ $SHRINK -eq 0 ]; then
		# grow fs on top of LUKS device
		resize "$DM_DEV_DIR/mapper/$NAME" "$L_NEWSIZE"b
	fi
}

detect_crypt_device() {
	local CRYPT_TYPE
	local L_NEWSIZE
	local TMP

	which "$CRYPTSETUP" > /dev/null 2>&1 || error "$CRYPTSETUP utility required to resize crypt device"

	CRYPT_TYPE=$("$CRYPTSETUP" status "$1" 2> /dev/null | "$GREP" "type:")

	test -n "$CRYPT_TYPE" || error "$CRYPTSETUP failed to detect device type on $1."

	CRYPT_TYPE=${CRYPT_TYPE##*[[:space:]]}

	case "$CRYPT_TYPE" in
	 LUKS[12]|PLAIN)
		verbose "\"$1\" crypt device is type $CRYPT_TYPE"
		;;
	 *)
		error "Unsupported crypt type \"$CRYPT_TYPE\""
	esac

	TMP=$NEWSIZE
	decode_size "$2" 512
	L_NEWSIZE=$NEWSIZE
	NEWSIZE=$TMP

	if [ $((L_NEWSIZE % 512)) -ne 0 ]; then
		error "New size is not sector alligned"
	fi

	CRYPT_RESIZE_BLOCKS=$NEWBLOCKCOUNT

	if [ "$DEVSIZE" -ge "$L_NEWSIZE" ]; then
		CRYPT_SHRINK=1
	else
		CRYPT_GROW=1
	fi
}

#################################
# Resize active crypt device
#  (on direct user request only)
#################################
resize_crypt() {
	dry "$CRYPTSETUP" resize "$1" --size $CRYPT_RESIZE_BLOCKS || error "$CRYPTSETUP failed to resize device $1"
}

####################
# Resize filesystem
####################
resize() {
	NEWSIZE=$2
	detect_fs "$1"
	detect_device_size
	verbose "Device \"$VOLUME\" size is $DEVSIZE bytes"
	# if the size parameter is missing use device size
	#if [ -n "$NEWSIZE" -a $NEWSIZE <
	test -z "$NEWSIZE" && NEWSIZE=${DEVSIZE}b
	NEWSIZE_ORIG=${NEWSIZE_ORIG:-$NEWSIZE}
	IFS=$NL
	test -z "${DO_CRYPTRESIZE-}" || detect_crypt_device "$VOLUME_ORIG" "$NEWSIZE_ORIG"
	test -z "${CRYPT_GROW-}" || resize_crypt "$VOLUME_ORIG"

	case "$FSTYPE" in
	  ext[234])	CMD=resize_ext ;;
	  "reiserfs")	CMD=resize_reiser ;;
	  "xfs")	CMD=resize_xfs ;;
	  "crypto_LUKS")
		which "$CRYPTSETUP" >"$NULL" 2>&1 || error "$CRYPTSETUP utility required to resize LUKS volume"
		CMD=resize_luks ;;
	  *) error "Filesystem \"$FSTYPE\" on device \"$VOLUME\" is not supported by this tool." ;;
	esac

	$CMD $NEWSIZE || error "$FSTYPE resize failed."
	test