On Wed, May 19, 2010 at 9:09 AM, Avi Kivity <a...@redhat.com> wrote: > On 05/18/2010 10:22 PM, Stefan Hajnoczi wrote: >> What cache= mode are you running? > > writeback.
In the cache=writeback case the virtio-blk guest driver does: blk_queue_ordered(q, QUEUE_ORDERED_DRAIN_FLUSH, ...) Stefan
