From patchwork Fri Jun 25 16:53:24 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 56931 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 7FA65B6F04 for ; Sat, 26 Jun 2010 03:56:12 +1000 (EST) Received: from localhost ([127.0.0.1]:37603 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OSD8L-0001C6-N7 for incoming@patchwork.ozlabs.org; Fri, 25 Jun 2010 13:56:09 -0400 Received: from [140.186.70.92] (port=44789 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OSCvc-0002hO-M3 for qemu-devel@nongnu.org; Fri, 25 Jun 2010 13:43:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OSC9o-0008La-4U for qemu-devel@nongnu.org; Fri, 25 Jun 2010 12:53:37 -0400 Received: from oxygen.pond.sub.org ([213.239.205.148]:34408) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OSC9n-0008F8-Vo for qemu-devel@nongnu.org; Fri, 25 Jun 2010 12:53:36 -0400 Received: from blackfin.pond.sub.org (pD9E39B39.dip.t-dialin.net [217.227.155.57]) by oxygen.pond.sub.org (Postfix) with ESMTPA id 15ABC276DF7; Fri, 25 Jun 2010 18:53:33 +0200 (CEST) Received: by blackfin.pond.sub.org (Postfix, from userid 500) id 7CB56412; Fri, 25 Jun 2010 18:53:32 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Date: Fri, 25 Jun 2010 18:53:24 +0200 Message-Id: <1277484812-22012-5-git-send-email-armbru@redhat.com> X-Mailer: git-send-email 1.6.6.1 In-Reply-To: <1277484812-22012-1-git-send-email-armbru@redhat.com> References: <1277484812-22012-1-git-send-email-armbru@redhat.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) Cc: kwolf@redhat.com, kraxel@redhat.com, hch@lst.de Subject: [Qemu-devel] [PATCH 04/12] blockdev: New drive_of_blockdev() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Markus Armbruster --- blockdev.c | 12 ++++++++++++ blockdev.h | 1 + 2 files changed, 13 insertions(+), 0 deletions(-) diff --git a/blockdev.c b/blockdev.c index e0495e5..8023cfd 100644 --- a/blockdev.c +++ b/blockdev.c @@ -78,6 +78,18 @@ int drive_get_max_bus(BlockInterfaceType type) return max_bus; } +DriveInfo *drive_of_blockdev(BlockDriverState *bs) +{ + DriveInfo *dinfo; + + QTAILQ_FOREACH(dinfo, &drives, next) { + if (dinfo->bdrv == bs) { + return dinfo; + } + } + return NULL; +} + static void bdrv_format_print(void *opaque, const char *name) { fprintf(stderr, " %s", name); diff --git a/blockdev.h b/blockdev.h index a936785..4bf75b1 100644 --- a/blockdev.h +++ b/blockdev.h @@ -40,6 +40,7 @@ extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); extern DriveInfo *drive_get_by_id(const char *id); extern int drive_get_max_bus(BlockInterfaceType type); extern void drive_uninit(DriveInfo *dinfo); +extern DriveInfo *drive_of_blockdev(BlockDriverState *bs); extern QemuOpts *drive_add(const char *file, const char *fmt, ...); extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi,