s4u::Io::OpType type_ = s4u::Io::OpType::READ;
sg_size_t performed_ioops_ = 0;
resource::Action* timeout_detector_ = nullptr;
s4u::Io::OpType type_ = s4u::Io::OpType::READ;
sg_size_t performed_ioops_ = 0;
resource::Action* timeout_detector_ = nullptr;