On 03/21/2011 10:13 AM, Daniel P. Berrange wrote:
> Enhance the QEMU migration monitoring loop, so that it can get
> a signal to change migration speed on the fly
>
> * src/qemu/qemu_domain.h: Add signal for changing speed on the fly
> * src/qemu/qemu_driver.c: Wire up virDomainMigrateSetSpeed driver
> * src/qemu/qemu_migration.c: Support signal for changing speed
> ---
> src/qemu/qemu_domain.h | 2 +
> src/qemu/qemu_driver.c | 51
> ++++++++++++++++++++++++++++++++++++++++++++-
> src/qemu/qemu_migration.c | 11 +++++++++
> 3 files changed, 63 insertions(+), 1 deletions(-)
>
> diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
> index ebb2050..8258900 100644
> --- a/src/qemu/qemu_domain.h
> +++ b/src/qemu/qemu_domain.h
> @@ -45,10 +45,12 @@ enum qemuDomainJobSignals {
> QEMU_JOB_SIGNAL_CANCEL = 1 << 0, /* Request job cancellation */
> QEMU_JOB_SIGNAL_SUSPEND = 1 << 1, /* Request VM suspend to finish live
> migration offline */
> QEMU_JOB_SIGNAL_MIGRATE_DOWNTIME = 1 << 2, /* Request migration downtime
> change */
> + QEMU_JOB_SIGNAL_MIGRATE_SPEED = 1 << 3, /* Request migration speed
> change */Makes it easy to review when you've already got a similar feature to copy from :) > +++ b/src/qemu/qemu_driver.c > @@ -6071,6 +6071,55 @@ cleanup: > return ret; > } > > +static int > +qemuDomainMigrateSetMaxSpeed(virDomainPtr dom, > + unsigned long bandwidth, Same question as in patch 1 and 2 about whether 'int' is better than 'long' for this parameter. ACK. -- Eric Blake ebl...@redhat.com +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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