func (b *blockEtcd) SyncINode(inode torus.INodeRef) error {
vid := uint64(inode.Volume())
inodeBytes := string(inode.ToBytes())
k := etcd.MkKey("volumemeta", etcd.Uint64ToHex(vid), "blocklock")
tx := b.Etcd.Client.Txn(b.getContext()).If(
etcdv3.Compare(etcdv3.Version(k), ">", 0),
etcdv3.Compare(etcdv3.Value(k), "=", b.Etcd.UUID()),
).Then(
etcdv3.OpPut(etcd.MkKey("volumemeta", etcd.Uint64ToHex(vid), "blockinode"), inodeBytes),
)
resp, err := tx.Commit()
if err != nil {
return err
}
if !resp.Succeeded {
return torus.ErrLocked
}
return nil
}
