On Sun, May 23, 2010 at 1:01 PM, Avi Kivity<address@hidden> 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?