On Tue, Mar 23, 2010 at 12:03:14PM +0200, Avi Kivity wrote: > I also think it should be done at the bio layer. File I/O is going to > be slower, if we do vhost-blk we should concentrate on maximum > performance. The block layer also exposes more functionality we can use > (asynchronous barriers for example). The block layer is more flexible, but that limits you to only stack directly ontop of a block device, which is extremly inflexible. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html