From patchwork Mon Feb 3 08:18:09 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 3568361 Return-Path: X-Original-To: patchwork-dm-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BD8FB9F2F5 for ; Mon, 3 Feb 2014 08:21:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EEFED201C0 for ; Mon, 3 Feb 2014 08:21:49 +0000 (UTC) Received: from mx3-phx2.redhat.com (mx3-phx2.redhat.com [209.132.183.24]) by mail.kernel.org (Postfix) with ESMTP id 147E9201B6 for ; Mon, 3 Feb 2014 08:21:49 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by mx3-phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s138If9v026926; Mon, 3 Feb 2014 03:18:41 -0500 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s138IKM9010437 for ; Mon, 3 Feb 2014 03:18:20 -0500 Received: from mx1.redhat.com (ext-mx12.extmail.prod.ext.phx2.redhat.com [10.5.110.17]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s138IJLZ014715; Mon, 3 Feb 2014 03:18:19 -0500 Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s138IG1B013158; Mon, 3 Feb 2014 03:18:18 -0500 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 2369BAC8A; Mon, 3 Feb 2014 08:18:16 +0000 (UTC) From: Hannes Reinecke To: Alasdair Kergon Date: Mon, 3 Feb 2014 09:18:09 +0100 Message-Id: <1391415493-102943-3-git-send-email-hare@suse.de> In-Reply-To: <1391415493-102943-1-git-send-email-hare@suse.de> References: <1391415493-102943-1-git-send-email-hare@suse.de> X-RedHat-Spam-Score: -7.847 (BAYES_00, DCC_REPUT_00_12, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD) X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-Scanned-By: MIMEDefang 2.68 on 10.5.110.17 X-loop: dm-devel@redhat.com Cc: "Jun'ichi Nomura" , dm-devel@redhat.com, Mike Snitzer Subject: [dm-devel] [PATCH 2/6] dm: implement dm_md_get_queue() X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk Reply-To: device-mapper development List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Mike Snitzer Add wrapper to extract the request_queue from a mapped device. Signed-off-by: Mike Snitzer Signed-off-by: Hannes Reinecke --- drivers/md/dm.c | 5 +++++ drivers/md/dm.h | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 0704c52..933b8cb 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -475,6 +475,11 @@ sector_t dm_get_size(struct mapped_device *md) return get_capacity(md->disk); } +struct request_queue *dm_get_md_queue(struct mapped_device *md) +{ + return md->queue; +} + struct dm_stats *dm_get_stats(struct mapped_device *md) { return &md->stats; diff --git a/drivers/md/dm.h b/drivers/md/dm.h index c57ba55..0eef13a 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -172,6 +172,7 @@ int dm_lock_for_deletion(struct mapped_device *md, bool mark_deferred, bool only int dm_cancel_deferred_remove(struct mapped_device *md); int dm_request_based(struct mapped_device *md); sector_t dm_get_size(struct mapped_device *md); +struct request_queue *dm_get_md_queue(struct mapped_device *md); struct dm_stats *dm_get_stats(struct mapped_device *md); int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,