VirtFS is a new paravirtualized filesystem interface designed for improving passthrough technologies in the KVM environment. It is based on the VirtIO framework and uses the 9P protocol.
Feature functional description
Why use it?
- virtualization aware filesystem
- offers paravirtualized system services
- simple passthrough for directories from host to guest
Backward/forward compatibility issues
Virtual Machine Manager integration since version 0.9.1
Links & Sources
9p_virtio (Example Sharing A Host Directory With The Guest)