On Thu, Jul 19, 2007 at 01:48:21AM +0200, Arnd Bergmann wrote: > On Wednesday 18 July 2007, Gerd Hoffmann wrote: > > Rusty Russell wrote: > > > You mean backend? For networking it makes a great deal of sense. For > > > block it makes far less sense (COW, weird formats, etc). > > > > For block you probably want both: userspace 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.
If/when the 'DMLoop'[1] target for device mapper gets finished/merged that could be a viable alternative to traditional loop devices Dan. [1] http://sources.redhat.com/lvm2/wiki/DMLoop -- |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=| |=- Perl modules: http://search.cpan.org/~danberr/ -=| |=- Projects: http://freshmeat.net/~danielpb/ -=| |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=| ------------------------------------------------------------------------- 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/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
