UBLK_DBG_IO_CMD
ublk_dbg(UBLK_DBG_IO_CMD, "%s: thread %u qid %d cmd_op %x data %lx "
ublk_dbg(UBLK_DBG_IO_CMD, "%s: (thread %u qid %d tag %u cmd_op %u) iof %x stopping %d\n",
ublk_dbg(UBLK_DBG_IO_CMD, "%s: res %d (thread %d qid %d tag %u cmd_op %x "