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 15:45:56 -0500 Message-ID: <42602804.2000001@us.ibm.com> References: <200504151856.49897.mark.williamson@cl.cam.ac.uk> <200504152114.55641.mark.williamson@cl.cam.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <200504152114.55641.mark.williamson@cl.cam.ac.uk> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Mark Williamson Cc: "xen-devel@lists.xensource.com" , Adam Heath List-Id: xen-devel@lists.xenproject.org Mark Williamson wrote: >>Maybe reuse the loopback code? Maybe it has an abstract device->file >>conversion group of functions/structures. >> >> > >Arguably the ideal in-kernel solution is to fix the loopback driver itself. > > I agree. There's no reason to special case files over other block devices. >I'm not sure it would, the blocktap library is designed for this sort of >thing. From what Andy says there is actually already a tool to do it, which >might be worth investigating further. > > All the read/writes for a block device go to userspace when using blocktap right? Has any performance testing been done? >Cheers, >Mark > >_______________________________________________ >Xen-devel mailing list >Xen-devel@lists.xensource.com >http://lists.xensource.com/xen-devel > > >