#!/bin/sh

set -e

dev=$1
newsize=$2
lowsize=$3

#TODO: Get maxsize (from lvm) and oldsize (from fs), and check that...
#	maxsize >= newsize > oldsize
#	or
#	lowsize defined and lowsize < newsize < oldsize

#TODO: Check if filesystem supports online resizing, and skip (un)mount

umount $dev

e2fsck -f $dev

[ -n "$lowsize" ] && resize2fs $dev $lowsize

lvresize -L $newsize $dev
resize2fs $dev

mount $dev