From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: 9p file system for xen Date: Thu, 19 Nov 2015 15:05:46 +0000 Message-ID: <20151119150546.GV1495@citrix.com> References: <56461C8A.4080401@jma3.com> <20151116151658.GA22829@citrix.com> <564A0608.8050904@jma3.com> <20151116165129.GA25764@citrix.com> <564A10E1.4070607@jma3.com> <20151116173559.GC25764@citrix.com> <564A98CB.9090506@jma3.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <564A98CB.9090506@jma3.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: Linda Cc: Julien Grall , Wei Liu , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Mon, Nov 16, 2015 at 08:02:35PM -0700, Linda wrote: > Hi Wei, > > On 11/16/2015 10:35 AM, Wei Liu wrote: > >On Mon, Nov 16, 2015 at 10:22:41AM -0700, Linda wrote: > ... > >> > >>The bug is a timing issue: During virtio's probe step, on the front end, it > >>initialized the mount path. Since at that time, the front end doesn't have > >>access to the back end's entries in xenstore (AFIACT), I either need to put > >>it in xenstore prior to starting, or move the access to this information to > >>later in the initialization. > >> > >>Note, I used the past tense on what virtio did, as of last summer: when I > >>looked at it last week, it appears to have changed since I first used it as > >>a template. I need to investigate this further. > >> > >OK. > > > >>Finally, I've made no provision for how to mount more than one file system > >>for the same guest. This is a feature that virtio provides for in the > >>front-end code (as do I), but I am unclear about how this works in the > >>back-end or at the user level. This is what I suspect will be different in > >>xen, and I'd like some input on what it should look like. > >I think this comes down to how your design the xenstore protocol to > >represent different mount points. > And just reading this gave me the answer I need. > > > >>>The code freeze for next release is going to be end of March next year. > >>>As software engineer often overestimates the progress he or she can > >>>make, I would say we shall aim for getting something working as soon as > >>>possible. Get the design straight and something clean by the end of this > >>>year would be good. > >>Sounds good to me. I'm happy to keep working on this. I just didn't want > >>to find myself in a position where I needed to pass this on to someone else, > >>but I didn't give that person enough time to finish what I'd done. > >Depending on the situation, I can take over the code. You've done enough > >for this project and we don't really want you to work on it for free -- > >we don't have provision for more funding at the moment. > Understood. > >If we end up taking over the project, we will still attribute the > >initial implementation to you. > Thanks. Julien said essentially the same thing. Right now, I'm working > on average, less than 10 hours/week, so it's enough to keep my mind engaged, > but it doesn't interfere with anything else. > I will be working for pay, in some capacity (TBD), after the first of > the year. Right now, I'm working to line things up. > Unless something changes drastically, I'll continue to work on this > until the end of the year. I'll start by cleaning things up, and keep it > that way, so no matter what happens, you, or Julien, can take it over. > Linda, I will be on vacation early December until early January. I do want to be do some preparatory work before I leave. Can you just post what you have to xen-devel? Your code doesn't need to be perfect. I can handle the rest. Wei. > Linda > > > >Wei. > > >