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qemu_snapshot: revert: move saving metadata to separate function

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Pavel Hrdina 2021-12-01 14:09:10 +01:00
parent 890a33306a
commit 815182a782
1 changed files with 36 additions and 22 deletions
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58
src/qemu/qemu_snapshot.c
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@ -1997,6 +1997,40 @@ qemuSnapshotRevertPrep(virDomainMomentObj *snap,
}
static int
qemuSnapshotRevertWriteMetadata(virDomainObj *vm,
virDomainMomentObj *snap,
virQEMUDriver *driver,
virQEMUDriverConfig *cfg,
bool defined)
{
qemuSnapshotSetCurrent(vm, snap);
if (qemuDomainSnapshotWriteMetadata(vm, snap,
driver->xmlopt,
cfg->snapshotDir) < 0) {
virDomainSnapshotSetCurrent(vm->snapshots, NULL);
return -1;
}
if (defined && vm->persistent) {
int detail;
virObjectEvent *event = NULL;
virDomainDef *saveDef = vm->newDef ? vm->newDef : vm->def;
if (virDomainDefSave(saveDef, driver->xmlopt, cfg->configDir) < 0)
return -1;
detail = VIR_DOMAIN_EVENT_DEFINED_FROM_SNAPSHOT;
event = virDomainEventLifecycleNewFromObj(vm,
VIR_DOMAIN_EVENT_DEFINED,
detail);
virObjectEventStateQueue(driver->domainEventState, event);
}
return 0;
}
/* The domain is expected to be locked and inactive. */
static int
qemuSnapshotRevertInactive(virQEMUDriver *driver,
@ -2247,28 +2281,8 @@ qemuSnapshotRevert(virDomainObj *vm,
endjob:
qemuProcessEndJob(driver, vm);
if (ret == 0) {
qemuSnapshotSetCurrent(vm, snap);
if (qemuDomainSnapshotWriteMetadata(vm, snap,
driver->xmlopt,
cfg->snapshotDir) < 0) {
virDomainSnapshotSetCurrent(vm->snapshots, NULL);
ret = -1;
}
}
if (ret == 0 && defined && vm->persistent) {
virDomainDef *saveDef = vm->newDef ? vm->newDef : vm->def;
ret = virDomainDefSave(saveDef, driver->xmlopt, cfg->configDir);
if (ret == 0) {
detail = VIR_DOMAIN_EVENT_DEFINED_FROM_SNAPSHOT;
event = virDomainEventLifecycleNewFromObj(vm,
VIR_DOMAIN_EVENT_DEFINED,
detail);
virObjectEventStateQueue(driver->domainEventState, event);
}
}
if (ret == 0)
ret = qemuSnapshotRevertWriteMetadata(vm, snap, driver, cfg, defined);
return ret;
}