On Tue, Jun 24, 2008 at 01:16:24PM -0500, Anthony Liguori wrote: > A major source of performance loss for virtio-blk has been the fact that we > split transfers into multiple requests. This is particularly harmful if you > have striped storage beneath your virtual machine. > > This patch copies the request data into a single contiguous buffer to ensure > that we don't split requests. This improves performance from about 80 MB/sec > to about 155 MB/sec with my fibre channel link. 185 MB/sec is what we get on > native so this gets us pretty darn close. > > Signed-off-by: Anthony Liguori <[EMAIL PROTECTED]>
Looks good. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
