On Tue, 23 Apr 2013 10:06:41 -0600 Eric Blake <eblake@xxxxxxxxxx> wrote: > > we can change "drive_mirror" to use a new command to see if there > > are the new features. > > drive-mirror changed in 1.4 to add optional buf-size parameter; right > now, libvirt is forced to limit itself to 1.3 interface (no buf-size or > granularity) because there is no introspection and no query-* command > that witnesses that the feature is present. Idea was that we need to > add a new query-drive-mirror-capabilities (name subject to bikeshedding) > command into 1.5 that would let libvirt know that buf-size/granularity > is usable (done right, it would also prevent the situation of buf-size > being a write-only interface where it is set when starting the mirror > but can not be queried later to see what size is in use). > > Unclear whether anyone was signing up to tackle the addition of a query > command counterpart for drive-mirror in time for 1.5. I can do it. Nice write-up Eric! -- 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
