From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: virtio implementation? Date: Thu, 19 Jul 2007 01:48:21 +0200 Message-ID: <200707190148.21728.arnd@arndb.de> References: <469C89BD0200005A00027AE1@mcclure.wal.novell.com> <1184715761.10380.37.camel@localhost.localdomain> <469DC7F2.8050909@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Cc: Gerd Hoffmann To: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: In-Reply-To: <469DC7F2.8050909-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org On Wednesday 18 July 2007, Gerd Hoffmann wrote: > Rusty Russell wrote: > > You mean backend? =A0For networking it makes a great deal of sense. =A0= For > > block it makes far less sense (COW, weird formats, etc). > = > For block you probably want both: =A0userspace driver which can handle all > sorts of funny image files, and a kernel driver doing a 1:1 mapping to a > block device (lvm volume). > = Interestingly, once you have the kernel driver that maps a block device, you can do most of the useful user scenarios by means of /dev/loop and/or device mapper. Arnd <>< ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/