tune2fs -O extents,uninit_bg,dir_index -m 0 -c 0 -i 0 media
sudo mount -o loop media mnt
sudo cp -a testing/* mnt/
sudo rm mnt/init
sudo umount mnt
tune2fs -O extents,uninit_bg,dir_index -m 0 -c 0 -i 0 media
sudo mount -o loop media mnt
sudo cp -a testing/* mnt/
sudo rm mnt/init
sudo umount mnt