On Sun, May 23, 2010 at 1:01 PM, Avi Kivity <avi@xxxxxxxxxx> wrote: > On 05/21/2010 12:29 AM, Anthony Liguori wrote: >> >> I'd be more interested in enabling people to build these types of storage >> systems without touching qemu. >> >> Both sheepdog and ceph ultimately transmit I/O over a socket to a central >> daemon, right? > > That incurs an extra copy. Besides a shared memory approach, I wonder if the splice() family of syscalls could be used to send/receive data through a storage daemon without the daemon looking at or copying the data? Stefan -- 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
