From patchwork Wed Jun 17 02:22:44 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gui Jianfeng X-Patchwork-Id: 30758 Received: from hormel.redhat.com (hormel1.redhat.com [209.132.177.33]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n5H2PDaB002356 for ; Wed, 17 Jun 2009 02:25:13 GMT Received: from listman.util.phx.redhat.com (listman.util.phx.redhat.com [10.8.4.110]) by hormel.redhat.com (Postfix) with ESMTP id D9A4461A147; Tue, 16 Jun 2009 22:25:12 -0400 (EDT) Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by listman.util.phx.redhat.com (8.13.1/8.13.1) with ESMTP id n5H2P7vQ026316 for ; Tue, 16 Jun 2009 22:25:08 -0400 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with SMTP id n5H2P3Nw010304; Tue, 16 Jun 2009 22:25:03 -0400 Received: from song.cn.fujitsu.com (cn.fujitsu.com [222.73.24.84] (may be forged)) by mx1.redhat.com (8.13.8/8.13.8) with SMTP id n5H2OlUN008272; Tue, 16 Jun 2009 22:24:48 -0400 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id E5D5C17013E; Wed, 17 Jun 2009 10:52:40 +0800 (CST) Received: from fnst.cn.fujitsu.com (localhost.localdomain [127.0.0.1]) by tang.cn.fujitsu.com (8.13.1/8.13.1) with ESMTP id n5H2h4EZ030546; Wed, 17 Jun 2009 10:43:04 +0800 Received: from [127.0.0.1] (unknown [10.167.141.226]) by fnst.cn.fujitsu.com (Postfix) with ESMTPA id 2F79ED4016; Wed, 17 Jun 2009 10:25:29 +0800 (CST) Message-ID: <4A385374.7060708@cn.fujitsu.com> Date: Wed, 17 Jun 2009 10:22:44 +0800 From: Gui Jianfeng User-Agent: Thunderbird 2.0.0.5 (Windows/20070716) MIME-Version: 1.0 To: Vivek Goyal References: <1244513342-11758-1-git-send-email-vgoyal@redhat.com> <1244513342-11758-5-git-send-email-vgoyal@redhat.com> In-Reply-To: <1244513342-11758-5-git-send-email-vgoyal@redhat.com> X-RedHat-Spam-Score: -0.805 X-Scanned-By: MIMEDefang 2.58 on 172.16.52.254 X-Scanned-By: MIMEDefang 2.63 on 172.16.48.31 X-loop: dm-devel@redhat.com Cc: dhaval@linux.vnet.ibm.com, snitzer@redhat.com, peterz@infradead.org, dm-devel@redhat.com, dpshah@google.com, jens.axboe@oracle.com, agk@redhat.com, balbir@linux.vnet.ibm.com, paolo.valente@unimore.it, fernando@oss.ntt.co.jp, mikew@google.com, jmoyer@redhat.com, nauman@google.com, m-ikeda@ds.jp.nec.com, lizf@cn.fujitsu.com, fchecconi@gmail.com, akpm@linux-foundation.org, jbaron@redhat.com, linux-kernel@vger.kernel.org, s-uchida@ap.jp.nec.com, righi.andrea@gmail.com, containers@lists.linux-foundation.org Subject: [dm-devel] Re: [PATCH 04/19] io-controller: Modify cfq to make use of flat elevator fair queuing X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.5 Precedence: junk Reply-To: device-mapper development List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com Vivek Goyal wrote: > This patch changes cfq to use fair queuing code from elevator layer. > elevator_private2 isn't used to store cfqq now. Signed-off-by: Gui Jianfeng --- block/cfq-iosched.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 23b24b9..7a9bbe6 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1874,7 +1874,7 @@ static void cfq_put_request(struct request *rq) put_io_context(RQ_CIC(rq)->ioc); rq->elevator_private = NULL; - rq->elevator_private2 = NULL; + rq->ioq = NULL; cfq_put_queue(cfqq); }