Symbol: SCSI_RW_DIRMASK
sys/cam/scsi/scsi_all.c
8219
read = (readop & SCSI_RW_DIRMASK) == SCSI_RW_READ;
sys/cam/scsi/scsi_sa.c
5957
read = (readop & SCSI_RW_DIRMASK) == SCSI_RW_READ;