Qcow2-mount

modprobe nbd max_part=8
qemu-nbd --connect=/dev/nbd0 /path/to/qcow2/image
mount /dev/nbd0p1 /mnt

umount /mnt
qemu-nbd --disconnect /dev/nbd0
modprobe -r nbd

http://ask.xmodulo.com/mount-qcow2-disk-image-linux.html