RDS_FLAG_ACK_REQUIRED  961 net/rds/ib_recv.c 		if (hdr->h_flags & RDS_FLAG_ACK_REQUIRED) {
RDS_FLAG_ACK_REQUIRED  572 net/rds/ib_send.c 			rm->m_inc.i_hdr.h_flags |= RDS_FLAG_ACK_REQUIRED;