On Thu, Feb 10, 2011 at 10:54:01AM +0100, Anthony Liguori wrote: > On 02/10/2011 10:30 AM, Yoshiaki Tamura wrote: > >Currently FdMigrationState doesn't support read(), and this patch > >introduces it to get response from the other side. > > > >Signed-off-by: Yoshiaki Tamura<tamura.yoshi...@lab.ntt.co.jp> > > Migration is unidirectional. Changing this is fundamental and not > something to be done lightly.
Making it bi-directional might break libvirt's save/restore to file support which uses migration, passing a unidirectional FD for the file. It could also break libvirt's secure tunnelled migration support which is currently only expecting to have data sent in one direction on the socket. Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
