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qemu: Refactor qemuDomainSetMemoryFlags by reusing virDomainObjGetDefs

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This commit is contained in:
Peter Krempa 2015-05-29 14:22:23 +02:00
parent 3d021381c7
commit 65258d1f71
1 changed files with 12 additions and 19 deletions
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31
src/qemu/qemu_driver.c
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@ -2303,10 +2303,10 @@ static int qemuDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
virQEMUDriverPtr driver = dom->conn->privateData;
qemuDomainObjPrivatePtr priv;
virDomainObjPtr vm;
virDomainDefPtr persistentDef = NULL;
virDomainDefPtr def;
virDomainDefPtr persistentDef;
int ret = -1, r;
virQEMUDriverConfigPtr cfg = NULL;
virCapsPtr caps = NULL;
virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
VIR_DOMAIN_AFFECT_CONFIG |
@ -2323,26 +2323,21 @@ static int qemuDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
goto cleanup;
if (!(caps = virQEMUDriverGetCapabilities(driver, false)))
goto endjob;
if (virDomainLiveConfigHelperMethod(caps, driver->xmlopt, vm, &flags,
&persistentDef) < 0)
if (virDomainObjGetDefs(vm, flags, &def, &persistentDef) < 0)
goto endjob;
if (flags & VIR_DOMAIN_MEM_MAXIMUM) {
/* resize the maximum memory */
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (def) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("cannot resize the maximum memory on an "
"active domain"));
goto endjob;
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
/* Help clang 2.8 decipher the logic flow. */
sa_assert(persistentDef);
if (persistentDef) {
/* resizing memory with NUMA nodes specified doesn't work as there
* is no way to change the individual node sizes with this API */
if (virDomainNumaGetNodeCount(persistentDef->numa) > 0) {
@ -2372,9 +2367,9 @@ static int qemuDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
/* resize the current memory */
unsigned long oldmax = 0;
if (flags & VIR_DOMAIN_AFFECT_LIVE)
oldmax = virDomainDefGetMemoryActual(vm->def);
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
if (def)
oldmax = virDomainDefGetMemoryActual(def);
if (persistentDef) {
if (!oldmax || oldmax > virDomainDefGetMemoryActual(persistentDef))
oldmax = virDomainDefGetMemoryActual(persistentDef);
}
@ -2385,13 +2380,13 @@ static int qemuDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
goto endjob;
}
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (def) {
priv = vm->privateData;
qemuDomainObjEnterMonitor(driver, vm);
r = qemuMonitorSetBalloon(priv->mon, newmem);
if (qemuDomainObjExitMonitor(driver, vm) < 0)
goto endjob;
virDomainAuditMemory(vm, vm->def->mem.cur_balloon, newmem, "update",
virDomainAuditMemory(vm, def->mem.cur_balloon, newmem, "update",
r == 1);
if (r < 0)
goto endjob;
@ -2405,8 +2400,7 @@ static int qemuDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
}
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
sa_assert(persistentDef);
if (persistentDef) {
persistentDef->mem.cur_balloon = newmem;
ret = virDomainSaveConfig(cfg->configDir, persistentDef);
goto endjob;
@ -2419,7 +2413,6 @@ static int qemuDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
cleanup:
virDomainObjEndAPI(&vm);
virObjectUnref(caps);
virObjectUnref(cfg);
return ret;
}