pfx_cmd 4212 drivers/s390/block/dasd_eckd.c u8 pfx_cmd; pfx_cmd 4249 drivers/s390/block/dasd_eckd.c pfx_cmd = DASD_ECKD_CCW_PFX_READ; pfx_cmd 4268 drivers/s390/block/dasd_eckd.c pfx_cmd = DASD_ECKD_CCW_PFX; pfx_cmd 4278 drivers/s390/block/dasd_eckd.c pfx_cmd = DASD_ECKD_CCW_PFX_READ; pfx_cmd 4345 drivers/s390/block/dasd_eckd.c dcw = itcw_add_dcw(itcw, pfx_cmd, 0,