# Pastebin QF9Dk7Wa
~/test » file cirros-0.5.1-x86_64-disk.img
cirros-0.5.1-x86_64-disk.img: QEMU QCOW Image (v3), 117440512 bytes

~/test » sudo virt-df -h cirros-0.5.1-x86_64-disk.img
Filesystem                                Size       Used  Available  Use%
cirros-0.5.1-x86_64-disk.img:/dev/sda1
                                           93M        17M        71M   19%
cirros-0.5.1-x86_64-disk.img:/dev/sda15
                                          8,0M       964K       7,0M   12%
~/test » sudo virt-install \
--name cirros \
--memory 2048 \
--vcpus 2 \
--disk cirros-0.5.1-x86_64-disk.img,bus=virtio \
--import \
--network default \
--noautoconsole

$ lsblk
NAME    MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
vda     252:0    0  112M  0 disk
|-vda1  252:1    0  103M  0 part /
`-vda15 252:15   0    8M  0 part

~/test » sudo virsh qemu-monitor-command cirros --hmp "block_resize drive-virtio-disk0 4G"