CTL_FLAG_FAILOVER
CTL_FLAG_FAILOVER;
io->flags |= CTL_FLAG_FAILOVER;
if (io->io_hdr.flags & CTL_FLAG_FAILOVER) {
if (io->io_hdr.flags & CTL_FLAG_FAILOVER) {
if (io->io_hdr.flags & CTL_FLAG_FAILOVER) {