From owner-freebsd-virtualization@freebsd.org  Mon Apr 30 04:46:59 2018
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Date: Mon, 30 Apr 2018 06:46:47 +0200
From: Paul Vixie <paul@redbarn.org>
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Subject: vtfs?
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i use nfs for this but i don't like it.

we have vtnet and vtbd. where is vtfs?

as in, a vm-independent (virtualbox, vmware, bhyve, kvm, xen, etc) 
standard that would let sysadmins export file systems through something 
that might look to the guest a lot like vfs, but would be implemented in 
the host a lot like nullfs (so, more like jails in this way.)

i realize that apple and microsoft clients would have hell to pay with 
semantic incompatibilities like case-sensitive file names. but i still 
want it, because i want mmap for high performance read-write multi-vm 
applications, and nfs prohibits this.

vixie