[PATCH] libata: turn off NCQ if queue depth is adjusted to 1

Turn off NCQ if queue depth is adjusted to 1. Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-09-30 19:45:00 +09:00
parent e5c9e081e9
commit 360f654e7c
2 changed files with 12 additions and 1 deletions
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -143,6 +143,7 @@ enum {
 	ATA_DFLAG_CFG_MASK	= (1 << 8) - 1,

 	ATA_DFLAG_PIO		= (1 << 8), /* device limited to PIO mode */
+	ATA_DFLAG_NCQ_OFF	= (1 << 9), /* devied limited to non-NCQ mode */
 	ATA_DFLAG_SUSPENDED	= (1 << 10), /* device suspended */
 	ATA_DFLAG_INIT_MASK	= (1 << 16) - 1,