From: Tejun Heo <htejun@gmail.com>
Date: Wed, 28 Feb 2007 06:21:23 +0000 (+0900)
Subject: libata: blacklist FUJITSU MHT2060BH for NCQ
X-Git-Tag: v2.6.21-rc3~146^2~4
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09125ea6179b28790950b7ddb4daba112f6c2b73;p=linux-2.6

libata: blacklist FUJITSU MHT2060BH for NCQ

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>
---

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 17ad152714..ac3d1204ea 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -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 */