From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: [RFC] VirtFS support on Xen Date: Thu, 21 Jan 2016 10:59:58 +0000 Message-ID: <20160121105958.GR1691@citrix.com> References: <20160121102844.GP1691@citrix.com> <56A0B7E0.20606@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aMCzo-0004PP-Db for xen-devel@lists.xenproject.org; Thu, 21 Jan 2016 11:01:44 +0000 Content-Disposition: inline In-Reply-To: <56A0B7E0.20606@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: David Vrabel Cc: Xen-devel , Wei Liu List-Id: xen-devel@lists.xenproject.org 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