P_RS_THIN_REQ
[P_RS_THIN_REQ] = "rs_thin_req",
case P_RS_THIN_REQ:
case P_RS_THIN_REQ:
[P_RS_THIN_REQ] = { 0, sizeof(struct p_block_req), receive_DataRequest },
size == discard_granularity ? P_RS_THIN_REQ : P_RS_DATA_REQUEST,