From KVM


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)