SETFEATURES_WC_ON 5294 drivers/ata/libata-core.c if (qc->tf.feature != SETFEATURES_WC_ON && SETFEATURES_WC_ON 3908 drivers/ata/libata-scsi.c tf->feature = wce ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF; SETFEATURES_WC_ON 568 drivers/ide/ide-disk.c arg ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF, 0);