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qemu: Unset the genid start change flag for revert force

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If the the snapshot revert involves a forced revert option, then
let's not cause startup to change the genid flag in order to signify
that we're still running the same/previous guest and not some
snapshot reversion.

Related to:
https://bugzilla.redhat.com/show_bug.cgi?id=1149445

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
John Ferlan 2018-06-19 18:54:18 -04:00
parent 3d94e45820
commit e5d7064be0
1 changed files with 4 additions and 2 deletions
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6
src/qemu/qemu_driver.c
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@ -16182,12 +16182,14 @@ qemuDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,
}
/* If using VM GenID, there is no way currently to change
* the genid for the running guest, so set an error and
* mark as incompatible. */
* the genid for the running guest, so set an error,
* mark as incompatible, and don't allow change of genid
* if the revert force flag would start the guest again. */
if (compatible && config->genidRequested) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("domain genid update requires restart"));
compatible = false;
start_flags &= ~VIR_QEMU_PROCESS_START_GEN_VMID;
}
if (!compatible) {