Re: [RFC] VirtFS support on Xen

[Wei Liu <wei.liu2@citrix.com>]

On Thu, Jan 21, 2016 at 10:50:08AM +0000, David Vrabel wrote:
> On 21/01/16 10:28, Wei Liu wrote:
> > [RFC] VirtFS support on Xen
> > 
> > # Introduction
> > 
> > QEMU/KVM supports file system passthrough via an interface called
> > VirtFS [0]. VirtFS is in turn implemented with 9pfs protocol [1] and
> > VirtIO transport.
> > 
> > Xen used to have its own implementation of file system passthrough
> > called XenFS, but that has been inactive for a few years. The latest
> > update was in 2009 [2].
> > 
> > This project aims to add VirtFS support on Xen. This is more
> > sustainable than inventing our own wheel.#
> 
> What's the use case for this?  Who wants this feature?
> 

Anyone who wants file system passthrough.  More specifically, VM-based
container solutions can share files from host file system.

http://xendevsummit2015.sched.org/event/3WDg/xen-containers-better-way-to-run-docker-containers-sainath-grandhi-intel?iframe=no&w=&sidebar=yes&bg=no
http://xendevsummit2015.sched.org/event/3X1L/hyper-make-vm-run-like-containers-xu-wang-hyper?iframe=no&w=&sidebar=yes&bg=no

Wei.

> David