From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: Disk naming (Was Re: [PATCH] Guest boot loadersupport [1/2]) Date: Fri, 15 Apr 2005 15:47:46 -0500 Message-ID: <42602872.9020202@us.ibm.com> References: <200504150043.32317.mark.williamson@cl.cam.ac.uk> <200504151743.52373.mark.williamson@cl.cam.ac.uk> <42600086.6020306@us.ibm.com> <426026BF.4030902@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Adam Heath Cc: "xen-devel@lists.xensource.com" , Mark Williamson List-Id: xen-devel@lists.xenproject.org Adam Heath wrote: >On Fri, 15 Apr 2005, Anthony Liguori wrote: > >I hope you aren't thinking I'm suggesting having domU be able to request >access to any arbitrary file; I'm suggesting that dom0 configure the mapping. >Read my other mail. > > The problem is how does Xend communicate the file->id mapping. It's gotta do this over the control channel which puts the length of the filename to 60 characters unless you support continuations. That's not extraordinarily difficult but annoying enough that it makes just fixing the loopback device appealing. Regards, Anthony Liguori