libata: blacklist FUJITSU MHT2060BH for NCQ
authorTejun Heo <htejun@gmail.com>
Wed, 28 Feb 2007 06:21:23 +0000 (15:21 +0900)
committerJeff Garzik <jeff@garzik.org>
Fri, 2 Mar 2007 01:16:29 +0000 (20:16 -0500)
Blacklist FUJITSU MHT2060BH for NCQ.  On this drive, NCQ works iff
queue depth is equal to or less than 4.  Just turn it off.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Mike Accetta <maccetta@laurelnetworks.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
drivers/ata/libata-core.c

index 17ad152714e6fe9ea5103f6e823bdc27dfd9e560..ac3d1204ea3526f9513adad06e5ab9df76a3d947 100644 (file)
@@ -3346,6 +3346,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        /* Devices where NCQ should be avoided */
        /* NCQ is slow */
         { "WDC WD740ADFD-00",   NULL,          ATA_HORKAGE_NONCQ },
+       /* http://thread.gmane.org/gmane.linux.ide/14907 */
+       { "FUJITSU MHT2060BH",  NULL,           ATA_HORKAGE_NONCQ },
 
        /* Devices with NCQ limits */