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authorjdolecek <jdolecek@NetBSD.org>2017-10-14 13:20:32 +0000
committerjdolecek <jdolecek@NetBSD.org>2017-10-14 13:20:32 +0000
commit883b3558003fa52c4d845fc7b3be628ef83dbb9d (patch)
tree456b229c8abdce7bb88bbcb8aa48f8b12d4b8192 /sys/dev
parent2a6a93fb73df6c86475fd74520971862db434a7d (diff)
do not use the NCQ priority by default; seems it negatively affects
performance at least with some drives, so this needs better understood first
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/ata/wd.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/ata/wd.c b/sys/dev/ata/wd.c
index 85cf8a624de..38108b9641f 100644
--- a/sys/dev/ata/wd.c
+++ b/sys/dev/ata/wd.c
@@ -1,4 +1,4 @@
-/* $NetBSD: wd.c,v 1.431 2017/10/14 13:15:14 jdolecek Exp $ */
+/* $NetBSD: wd.c,v 1.432 2017/10/14 13:20:32 jdolecek Exp $ */
/*
* Copyright (c) 1998, 2001 Manuel Bouyer. All rights reserved.
@@ -54,7 +54,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: wd.c,v 1.431 2017/10/14 13:15:14 jdolecek Exp $");
+__KERNEL_RCSID(0, "$NetBSD: wd.c,v 1.432 2017/10/14 13:20:32 jdolecek Exp $");
#include "opt_ata.h"
#include "opt_wd.h"
@@ -2362,7 +2362,7 @@ wd_sysctl_attach(struct wd_softc *wd)
return;
}
- wd->drv_ncq_prio = true;
+ wd->drv_ncq_prio = false;
if ((error = sysctl_createv(&wd->nodelog, 0, NULL, NULL,
CTLFLAG_READWRITE, CTLTYPE_BOOL, "use_ncq_prio",
SYSCTL_DESCR("use NCQ PRIORITY if supported"),