QEMU KVM宿主机与客户机间共享目录
virsh edit node1
XML中配置
<devices>
<filesystem type='mount' accessmode='passthrough'>
<source dir='/data/kvm/share'/>
<target dir='hostshare'/>
</filesystem>
</devices>
virsh console node1
mount -t 9p -o trans=virtio hostshare /mnt/share