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qemu_snapshot: refactor qemuSnapshotDelete

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Move code around to make it clear what is called when deleting single
snapshot or children snapshots.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Pavel Hrdina 2022-03-23 11:11:09 +01:00
parent a784d4076a
commit 06c2382ab9
1 changed files with 20 additions and 17 deletions
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37
src/qemu/qemu_snapshot.c
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@ -2350,25 +2350,28 @@ qemuSnapshotDelete(virDomainObj *vm,
}
}
}
} else if (snap->nchildren) {
rep.dir = cfg->snapshotDir;
rep.parent = snap->parent;
rep.vm = vm;
rep.err = 0;
rep.xmlopt = driver->xmlopt;
rep.writeMetadata = qemuDomainSnapshotWriteMetadata;
virDomainMomentForEachChild(snap,
qemuSnapshotChildrenReparent,
&rep);
if (rep.err < 0)
goto endjob;
virDomainMomentMoveChildren(snap, snap->parent);
}
if (flags & VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN_ONLY) {
virDomainMomentDropChildren(snap);
ret = 0;
if (flags & VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN_ONLY) {
virDomainMomentDropChildren(snap);
ret = 0;
} else {
ret = qemuDomainSnapshotDiscard(driver, vm, snap, true, metadata_only);
}
} else {
if (snap->nchildren) {
rep.dir = cfg->snapshotDir;
rep.parent = snap->parent;
rep.vm = vm;
rep.err = 0;
rep.xmlopt = driver->xmlopt;
rep.writeMetadata = qemuDomainSnapshotWriteMetadata;
virDomainMomentForEachChild(snap,
qemuSnapshotChildrenReparent,
&rep);
if (rep.err < 0)
goto endjob;
virDomainMomentMoveChildren(snap, snap->parent);
}
ret = qemuDomainSnapshotDiscard(driver, vm, snap, true, metadata_only);
}