On Thu, 04/23 14:23, Paolo Bonzini wrote: > > > On 23/04/2015 14:19, Dr. David Alan Gilbert wrote: > >> > So that means the bdrv_start_replication and bdrv_stop_replication > >> > callbacks are more or less redundant, at least on the primary? > >> > > >> > In fact, who calls them? Certainly nothing in this patch set... > >> > :) > > In the main colo set (I'm looking at the February version) there > > are calls to them, the 'stop_replication' is called at failover time. > > > > Here is I think the later version: > > http://lists.nongnu.org/archive/html/qemu-devel/2015-03/msg05391.html > > I think the primary shouldn't do any I/O after failover (and the > secondary should close the NBD server) so it is probably okay to ignore > the removal for now. Inserting the filter dynamically is probably > needed though.
Or maybe just enabling/disabling? Fam