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qemu: save domain status after set the blkio parameters

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After set the blkio parameters for running domain, save the change into
live xml is needed to survive restarting the libvirtd, same story with
bug 1146511, meanwhile add call qemuDomainObjBeginJob/qemuDomainObjEndJob
in qemuDomainSetBlkioParameters

Signed-off-by: Shanzhi Yu <shyu@redhat.com>
This commit is contained in:
Shanzhi Yu 2014-10-06 17:00:00 +02:00 committed by Pavel Hrdina
parent b9f1f46470
commit bde879c184
1 changed files with 13 additions and 3 deletions
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16
src/qemu/qemu_driver.c
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@ -8097,15 +8097,18 @@ qemuDomainSetBlkioParameters(virDomainPtr dom,
if (!(caps = virQEMUDriverGetCapabilities(driver, false)))
goto cleanup;
if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
goto cleanup;
if (virDomainLiveConfigHelperMethod(caps, driver->xmlopt, vm, &flags,
&persistentDef) < 0)
goto cleanup;
goto endjob;
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_BLKIO)) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("blkio cgroup isn't mounted"));
goto cleanup;
goto endjob;
}
}
@ -8198,9 +8201,12 @@ qemuDomainSetBlkioParameters(virDomainPtr dom,
VIR_FREE(devices);
}
}
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm) < 0)
goto endjob;
}
if (ret < 0)
goto cleanup;
goto endjob;
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
/* Clang can't see that if we get here, persistentDef was set. */
sa_assert(persistentDef);
@ -8238,6 +8244,10 @@ qemuDomainSetBlkioParameters(virDomainPtr dom,
ret = -1;
}
endjob:
if (!qemuDomainObjEndJob(driver, vm))
vm = NULL;
cleanup:
if (vm)
virObjectUnlock(vm);