Virtio Filesystem

modulename: virtiofs.ko

configname: CONFIG_VIRTIO_FS

Linux Kernel Configuration
└─>File systems
└─>Virtio Filesystem
In linux kernel since version 5.1 (release Date: 2019-05-05)  
The Virtio Filesystem allows guests to mount file systems from the
host.

If you want to share files between guests or with the host, answer Y
or M.

source code:
selects
CONFIG_VIRTIO

depends
CONFIG_FUSE_FS

is selected by
CONFIG_FUSE_DAX