From patchwork Thu Sep 20 19:13:29 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Cody X-Patchwork-Id: 185494 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 3506C2C0079 for ; Fri, 21 Sep 2012 06:30:55 +1000 (EST) Received: from localhost ([::1]:41019 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TEn01-0002pN-5p for incoming@patchwork.ozlabs.org; Thu, 20 Sep 2012 16:05:25 -0400 Received: from eggs.gnu.org ([208.118.235.92]:41352) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TEmCp-00017j-KW for qemu-devel@nongnu.org; Thu, 20 Sep 2012 15:14:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TEmCo-0000Yh-Jk for qemu-devel@nongnu.org; Thu, 20 Sep 2012 15:14:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]:31651) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TEmCo-0000Yb-Br for qemu-devel@nongnu.org; Thu, 20 Sep 2012 15:14:34 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q8KJEWiO020929 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 20 Sep 2012 15:14:32 -0400 Received: from localhost (ovpn-112-41.phx2.redhat.com [10.3.112.41]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id q8KJETAI005485 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Thu, 20 Sep 2012 15:14:31 -0400 From: Jeff Cody To: qemu-devel@nongnu.org Date: Thu, 20 Sep 2012 15:13:29 -0400 Message-Id: <0a34d9c8f8962673a7ce2cd0502c10c770a161e8.1348157913.git.jcody@redhat.com> In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: kwolf@redhat.com, pbonzini@redhat.com, eblake@redhat.com, supriyak@linux.vnet.ibm.com Subject: [Qemu-devel] [PATCH v4 13/19] block: qcow image file reopen X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org These are the stubs for the file reopen drivers for the qcow format. There is currently nothing that needs to be done by the qcow driver in reopen. Signed-off-by: Jeff Cody --- block/qcow.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/block/qcow.c b/block/qcow.c index 7b5ab87..b239c82 100644 --- a/block/qcow.c +++ b/block/qcow.c @@ -197,6 +197,15 @@ static int qcow_open(BlockDriverState *bs, int flags) return ret; } + +/* We have nothing to do for QCOW reopen, stubs just return + * success */ +static int qcow_reopen_prepare(BDRVReopenState *state, + BlockReopenQueue *queue, Error **errp) +{ + return 0; +} + static int qcow_set_key(BlockDriverState *bs, const char *key) { BDRVQcowState *s = bs->opaque; @@ -868,6 +877,7 @@ static BlockDriver bdrv_qcow = { .bdrv_probe = qcow_probe, .bdrv_open = qcow_open, .bdrv_close = qcow_close, + .bdrv_reopen_prepare = qcow_reopen_prepare, .bdrv_create = qcow_create, .bdrv_co_readv = qcow_co_readv,