From patchwork Fri Mar 23 07:36:50 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benoit Canet X-Patchwork-Id: 148390 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 2DFA1B6EE6 for ; Fri, 23 Mar 2012 18:43:46 +1100 (EST) Received: from localhost ([::1]:53391 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SAz4M-0004xI-2r for incoming@patchwork.ozlabs.org; Fri, 23 Mar 2012 03:37:54 -0400 Received: from eggs.gnu.org ([208.118.235.92]:35376) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SAz3e-0003HV-Ph for qemu-devel@nongnu.org; Fri, 23 Mar 2012 03:37:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SAz3Z-0004Zu-8h for qemu-devel@nongnu.org; Fri, 23 Mar 2012 03:37:10 -0400 Received: from mail-wi0-f175.google.com ([209.85.212.175]:41005) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SAz3Y-0004YO-VV for qemu-devel@nongnu.org; Fri, 23 Mar 2012 03:37:05 -0400 Received: by wibhn6 with SMTP id hn6so1553442wib.10 for ; Fri, 23 Mar 2012 00:37:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=2Jc5V5NYQdPQdcEij7hSTV7uOcgh2HxmCnk/N3t7GPY=; b=NDEzs5lmZt8v16A5H5mHit/51PryA4v9admiLSZReX8b6Q809SSs4+9WO0mD9y70IW Mqz/0dj6/+4W9KU90ntuTn6eIORCQqzgHqz2NhtcQrncqBZtc6cEmFYqvbooPK/VmgAX k6gCWzCY4fHkZRzQP+5me1rKdYVD7DWEOsipS/paWPZmb07nwa6Hc9CoTsT/3ffj7oNY c1MWJ3okLJXO3/uTJs58/s38CDZmhx58Ei2JoOWxe7K66d4pj8tPzvcKBURxTnolHgTj a1J26UVQJ/Ognwhpablz1X2twCrccGqaBiFsqHKtzHDte+RsfY81aovRS8gfJVP4b6Uc /rjQ== Received: by 10.216.134.200 with SMTP id s50mr6159100wei.116.1332488222563; Fri, 23 Mar 2012 00:37:02 -0700 (PDT) Received: from Laure.box.in.chocolate-blue.net ([109.190.18.76]) by mx.google.com with ESMTPS id j3sm19660297wiw.1.2012.03.23.00.37.01 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 23 Mar 2012 00:37:02 -0700 (PDT) From: =?UTF-8?q?Beno=C3=AEt=20Canet?= To: qemu-devel@nongnu.org Date: Fri, 23 Mar 2012 08:36:50 +0100 Message-Id: <1332488214-4685-4-git-send-email-benoit.canet@gmail.com> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1332488214-4685-1-git-send-email-benoit.canet@gmail.com> References: <1332488214-4685-1-git-send-email-benoit.canet@gmail.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.85.212.175 Cc: kwolf@redhat.com, pbonzini@redhat.com, =?UTF-8?q?Beno=C3=AEt=20Canet?= , stefanha@linux.vnet.ibm.com Subject: [Qemu-devel] [PATCH V3 3/7] blockdev: open images with BDRV_O_INCOMING on incoming live migration 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 Open images with BDRV_O_INCOMING in order to inform block drivers that an incoming live migration is coming. Signed-off-by: Benoit Canet --- blockdev.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/blockdev.c b/blockdev.c index 1a500b8..9b57133 100644 --- a/blockdev.c +++ b/blockdev.c @@ -591,6 +591,10 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi) bdrv_flags |= BDRV_O_COPY_ON_READ; } + if (runstate_check(RUN_STATE_INMIGRATE)) { + bdrv_flags |= BDRV_O_INCOMING; + } + if (media == MEDIA_CDROM) { /* CDROM is fine for any interface, don't check. */ ro = 1;