BLKIF_STATE_CONNECTED
if (rinfo->dev_info->connected == BLKIF_STATE_CONNECTED)
if (unlikely(info->connected != BLKIF_STATE_CONNECTED)) {
info->connected = BLKIF_STATE_CONNECTED;
blkif_free(info, info->connected == BLKIF_STATE_CONNECTED);
case BLKIF_STATE_CONNECTED:
info->connected = BLKIF_STATE_CONNECTED;
if (unlikely(rinfo->dev_info->connected != BLKIF_STATE_CONNECTED))