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Re: [libvirt] [PATCH 07/10] qemu: Remove special case for virDomainMigrateSetMaxSpeed

On 07/18/2011 06:27 PM, Jiri Denemark wrote:
Call qemu monitor command directly within a special job that is only
allowed during outgoing migration.
  src/qemu/qemu_domain.c    |    1 +
  src/qemu/qemu_domain.h    |    3 +--
  src/qemu/qemu_driver.c    |   23 +++++++++++++++--------
  src/qemu/qemu_migration.c |   21 +++++----------------
  src/qemu/qemu_process.c   |    1 +
  5 files changed, 23 insertions(+), 26 deletions(-)

-    VIR_DEBUG("Requesting migration speed change to %luMbs", bandwidth);
-    priv->job.signalsData.migrateBandwidth = bandwidth;
-    priv->job.signals |= QEMU_JOB_SIGNAL_MIGRATE_SPEED;
-    ret = 0;
+    VIR_DEBUG("Setting migration bandwidth to %luMbs", bandwidth);
+    ignore_value(qemuDomainObjEnterMonitor(driver, vm));

Might be nice to add a comment about why qemuDomainObjEnterMonitor won't fail here (if I understand correctly, it is because we only get this far if priv->job.active represents a migration job, but qemuDomainObjEnterMonitorInternal can only fail if priv->job.active is QEMU_JOB_NONE), but this isn't the first time this file uses ignore_value() without comments.


Eric Blake   eblake redhat com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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