UD                306 drivers/block/ataflop.c #define	UD	unit[drive]
UD                285 drivers/infiniband/hw/mthca/mthca_qp.c enum { RC, UC, UD, RD, RDEE, MLX, NUM_TRANS };
UD                181 include/rdma/ib_pack.h 	IB_OPCODE(UD, SEND_ONLY),
UD                182 include/rdma/ib_pack.h 	IB_OPCODE(UD, SEND_ONLY_WITH_IMMEDIATE)