#!/bin/sh
for LOOPS in $(losetup -a | awk -F':' {'print $1'} | awk -F'/' {'print $3'}); do
  for LOOPPART in $(ls /dev/mapper/${LOOPS}*| awk -F'/' {'print $4'}); do 
    dmsetup remove ${LOOPPART};
  done;
  losetup -d /dev/${LOOPS};
done