From patchwork Thu Jul 1 07:30:32 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 57481 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 1746FB6EF7 for ; Thu, 1 Jul 2010 17:44:48 +1000 (EST) Received: from localhost ([127.0.0.1]:51482 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OUERw-0006zp-HL for incoming@patchwork.ozlabs.org; Thu, 01 Jul 2010 03:44:44 -0400 Received: from [140.186.70.92] (port=53102 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OUEEP-0001nw-Ot for qemu-devel@nongnu.org; Thu, 01 Jul 2010 03:30:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OUEEO-0007Zb-MA for qemu-devel@nongnu.org; Thu, 01 Jul 2010 03:30:45 -0400 Received: from oxygen.pond.sub.org ([213.239.205.148]:58066) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OUEEO-0007YO-Bc for qemu-devel@nongnu.org; Thu, 01 Jul 2010 03:30:44 -0400 Received: from blackfin.pond.sub.org (pD951BCA6.dip.t-dialin.net [217.81.188.166]) by oxygen.pond.sub.org (Postfix) with ESMTPA id A45A72E2B75; Thu, 1 Jul 2010 09:30:42 +0200 (CEST) Received: by blackfin.pond.sub.org (Postfix, from userid 500) id AE50F323; Thu, 1 Jul 2010 09:30:41 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Date: Thu, 1 Jul 2010 09:30:32 +0200 Message-Id: <1277969441-22879-5-git-send-email-armbru@redhat.com> X-Mailer: git-send-email 1.6.6.1 In-Reply-To: <1277969441-22879-1-git-send-email-armbru@redhat.com> References: <1277969441-22879-1-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 v3 04/13] blockdev: New drive_get_by_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..ba4f66f 100644 --- a/blockdev.c +++ b/blockdev.c @@ -78,6 +78,18 @@ int drive_get_max_bus(BlockInterfaceType type) return max_bus; } +DriveInfo *drive_get_by_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..6ab592f 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_get_by_blockdev(BlockDriverState *bs); extern QemuOpts *drive_add(const char *file, const char *fmt, ...); extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi,