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qemu: snapshot: Unify conditions checking whether snapshot needs to be taken

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In the cleanup path we already checked whether a snapshot needed to be
taken by looking into the collected data. Use the same approach when
creating the snapshot command data and when committing the changes to the
domain definition.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2018-07-03 07:52:11 +02:00
parent d5d02aa900
commit c5dc734403
1 changed files with 9 additions and 3 deletions
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12
src/qemu/qemu_driver.c
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@ -15015,7 +15015,7 @@ qemuDomainSnapshotCreateDiskActive(virQEMUDriverPtr driver,
* VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL with a valid file name and
* qcow2 format. */
for (i = 0; i < snap->def->ndisks; i++) {
if (snap->def->disks[i].snapshot == VIR_DOMAIN_SNAPSHOT_LOCATION_NONE)
if (!diskdata[i].src)
continue;
ret = qemuDomainSnapshotCreateSingleDiskActive(driver, vm,
@ -15039,8 +15039,14 @@ qemuDomainSnapshotCreateDiskActive(virQEMUDriverPtr driver,
goto error;
}
for (i = 0; i < snap->def->ndisks; i++)
qemuDomainSnapshotUpdateDiskSources(&diskdata[i], &persist);
for (i = 0; i < snap->def->ndisks; i++) {
qemuDomainSnapshotDiskDataPtr dd = &diskdata[i];
if (!dd->src)
continue;
qemuDomainSnapshotUpdateDiskSources(dd, &persist);
}
}
error: