Re: [libvirt] [PATCH v3 00/24] Add support for migration events

On Wed, Jun 10, 2015 at 15:42:34 +0200, Jiri Denemark wrote: > QEMU will soon (patches are available on qemu-devel) get support for > migration events which will finally allow us to get rid of polling > query-migrate every 50ms. However, we first need to be able to wait for > all events related to migration (migration status changes, block job > events, async abort requests) at once. This series prepares the > infrastructure and uses it to switch all polling loops in migration code > to pthread_cond_wait. > > https://bugzilla.redhat.com/show_bug.cgi?id=1212077 > > Version 3 (see individual patches for details): > - most of the series has been ACKed in v2 > - "qemu: Use domain condition for synchronous block jobs" was split in 3 > patches for easier review > - minor changes requested in v2 review > > Version 2 (see individual patches for details): > - rewritten using per-domain condition variable > - enahnced to fully support the migration events > > > Jiri Denemark (24): > conf: Introduce per-domain condition variable > qemu: Introduce qemuBlockJobUpdate > qemu: Properly report failed migration > qemu: Use domain condition for synchronous block jobs > qemu: Cancel storage migration in parallel > qemu: Abort migration early if disk mirror failed > qemu: Don't mess with disk->mirrorState > Pass domain object to private data formatter/parser > qemu: Make qemuMigrationCancelDriveMirror usable without async job > qemu: Refactor qemuMonitorBlockJobInfo > qemu: Cancel disk mirrors after libvirtd restart > qemu: Use domain condition for asyncAbort > qemu_monitor: Wire up SPICE_MIGRATE_COMPLETED event > qemu: Do not poll for spice migration status > qemu: Refactor qemuDomainGetJob{Info,Stats} > qemu: Refactor qemuMigrationUpdateJobStatus > qemu: Don't pass redundant job name around > qemu: Refactor qemuMigrationWaitForCompletion > qemu_monitor: Wire up MIGRATION event > qemuDomainGetJobStatsInternal: Support migration events > qemu: Update migration state according to MIGRATION event > qemu: Wait for migration events on domain condition > qemu: cancel drive mirrors when p2p connection breaks ACK to the above ones once qemu accepts the event stuff.