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qemu: driver: Always assume support for QEMU_CAPS_MIGRATION_PARAM_DOWNTIME

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The 'downtime-limit' field of 'migrate-set-parameters' was introduced in
qemu-2.8, thus all qemu versions supported by libvirt use the new code.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2022-07-15 14:12:28 +02:00
parent ce761753d3
commit 70d141fea5
1 changed files with 9 additions and 21 deletions
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30
src/qemu/qemu_driver.c
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@ -13059,10 +13059,8 @@ qemuDomainMigrateSetMaxDowntime(virDomainPtr dom,
{
virQEMUDriver *driver = dom->conn->privateData;
virDomainObj *vm;
qemuDomainObjPrivate *priv;
g_autoptr(qemuMigrationParams) migParams = NULL;
int ret = -1;
int rc;
virCheckFlags(0, -1);
@ -13078,29 +13076,19 @@ qemuDomainMigrateSetMaxDowntime(virDomainPtr dom,
if (virDomainObjCheckActive(vm) < 0)
goto endjob;
priv = vm->privateData;
VIR_DEBUG("Setting migration downtime to %llums", downtime);
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_MIGRATION_PARAM_DOWNTIME)) {
if (!(migParams = qemuMigrationParamsNew()))
goto endjob;
if (!(migParams = qemuMigrationParamsNew()))
goto endjob;
if (qemuMigrationParamsSetULL(migParams,
QEMU_MIGRATION_PARAM_DOWNTIME_LIMIT,
downtime) < 0)
goto endjob;
if (qemuMigrationParamsSetULL(migParams,
QEMU_MIGRATION_PARAM_DOWNTIME_LIMIT,
downtime) < 0)
goto endjob;
if (qemuMigrationParamsApply(driver, vm, VIR_ASYNC_JOB_NONE,
migParams, 0) < 0)
goto endjob;
} else {
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorSetMigrationDowntime(priv->mon, downtime);
qemuDomainObjExitMonitor(vm);
if (rc < 0)
goto endjob;
}
if (qemuMigrationParamsApply(driver, vm, VIR_ASYNC_JOB_NONE,
migParams, 0) < 0)
goto endjob;
ret = 0;