Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753680AbZK3DBM (ORCPT ); Sun, 29 Nov 2009 22:01:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753497AbZK3DBK (ORCPT ); Sun, 29 Nov 2009 22:01:10 -0500 Received: from mx1.redhat.com ([209.132.183.28]:26599 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753529AbZK3DAu (ORCPT ); Sun, 29 Nov 2009 22:00:50 -0500 From: Vivek Goyal To: linux-kernel@vger.kernel.org, jens.axboe@oracle.com Cc: nauman@google.com, dpshah@google.com, lizf@cn.fujitsu.com, ryov@valinux.co.jp, fernando@oss.ntt.co.jp, s-uchida@ap.jp.nec.com, taka@valinux.co.jp, guijianfeng@cn.fujitsu.com, jmoyer@redhat.com, righi.andrea@gmail.com, m-ikeda@ds.jp.nec.com, vgoyal@redhat.com, czoccolo@gmail.com, Alan.Brunelle@hp.com Subject: [PATCH 01/21] blkio: Set must_dispatch only if we decided to not dispatch the request Date: Sun, 29 Nov 2009 21:59:08 -0500 Message-Id: <1259549968-10369-2-git-send-email-vgoyal@redhat.com> In-Reply-To: <1259549968-10369-1-git-send-email-vgoyal@redhat.com> References: <1259549968-10369-1-git-send-email-vgoyal@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1063 Lines: 33 o must_dispatch flag should be set only if we decided not to run the quue dispatch the request. Signed-off-by: Vivek Goyal --- block/cfq-iosched.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index a5de31f..9adfa48 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -2494,9 +2494,9 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq, if (blk_rq_bytes(rq) > PAGE_CACHE_SIZE || cfqd->busy_queues > 1) { del_timer(&cfqd->idle_slice_timer); - __blk_run_queue(cfqd->queue); - } - cfq_mark_cfqq_must_dispatch(cfqq); + __blk_run_queue(cfqd->queue); + } else + cfq_mark_cfqq_must_dispatch(cfqq); } } else if (cfq_should_preempt(cfqd, cfqq, rq)) { /* -- 1.6.2.5 -- 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/