Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753240Ab3C0NJ0 (ORCPT ); Wed, 27 Mar 2013 09:09:26 -0400 Received: from mail09.linbit.com ([212.69.161.110]:44310 "EHLO mail09.linbit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751602Ab3C0NJY (ORCPT ); Wed, 27 Mar 2013 09:09:24 -0400 From: Philipp Reisner To: linux-kernel@vger.kernel.org, Jens Axboe Cc: drbd-dev@lists.linbit.com, Philipp Reisner , Lars Ellenberg Subject: [PATCH 16/17] drbd: use sched_setscheduler() Date: Wed, 27 Mar 2013 14:08:48 +0100 Message-Id: <1364389729-17559-17-git-send-email-philipp.reisner@linbit.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1364389729-17559-1-git-send-email-philipp.reisner@linbit.com> References: <1364389729-17559-1-git-send-email-philipp.reisner@linbit.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1840 Lines: 50 It was unnoticed for some time that assigning to current->policy is no longer sufficient to set a real time priority for a kernel thread. Reported-by: Charlie Suffin Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_receiver.c | 6 ++++-- include/linux/drbd.h | 2 +- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index a75c0b1..0f449bb 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -5257,9 +5257,11 @@ int drbd_asender(struct drbd_thread *thi) bool ping_timeout_active = false; struct net_conf *nc; int ping_timeo, tcp_cork, ping_int; + struct sched_param param = { .sched_priority = 2 }; - current->policy = SCHED_RR; /* Make this a realtime task! */ - current->rt_priority = 2; /* more important than all other tasks */ + rv = sched_setscheduler(current, SCHED_RR, ¶m); + if (rv < 0) + conn_err(tconn, "drbd_asender: ERROR set priority, ret=%d\n", rv); while (get_t_state(thi) == RUNNING) { drbd_thread_current_set_cpu(thi); diff --git a/include/linux/drbd.h b/include/linux/drbd.h index 3163307..1b4d4ee 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -52,7 +52,7 @@ #endif extern const char *drbd_buildtag(void); -#define REL_VERSION "8.4.2" +#define REL_VERSION "8.4.3" #define API_VERSION 1 #define PRO_VERSION_MIN 86 #define PRO_VERSION_MAX 101 -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/