From patchwork Mon Oct 29 21:24:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 990572 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42kSVG16J3z9s7W for ; Tue, 30 Oct 2018 08:32:06 +1100 (AEDT) Received: from localhost ([::1]:49102 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHF8l-0002EE-NJ for incoming@patchwork.ozlabs.org; Mon, 29 Oct 2018 17:32:03 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45384) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHF2f-0004ab-SS for qemu-devel@nongnu.org; Mon, 29 Oct 2018 17:25:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gHF2c-0002Ub-U9 for qemu-devel@nongnu.org; Mon, 29 Oct 2018 17:25:44 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53662) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gHF2a-0002JM-TU for qemu-devel@nongnu.org; Mon, 29 Oct 2018 17:25:41 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E44E03086271; Mon, 29 Oct 2018 21:25:14 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-171.bos.redhat.com [10.18.17.171]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7130F16BE2; Mon, 29 Oct 2018 21:25:14 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Date: Mon, 29 Oct 2018 17:24:56 -0400 Message-Id: <20181029212501.5897-15-jsnow@redhat.com> In-Reply-To: <20181029212501.5897-1-jsnow@redhat.com> References: <20181029212501.5897-1-jsnow@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Mon, 29 Oct 2018 21:25:14 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 14/19] block/backup: prohibit backup from using in use bitmaps X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, jsnow@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" If the bitmap is frozen, we shouldn't touch it. Signed-off-by: John Snow Reviewed-by: Vladimir Sementsov-Ogievskiy Message-id: 20181002230218.13949-6-jsnow@redhat.com Signed-off-by: John Snow --- blockdev.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/blockdev.c b/blockdev.c index 35097b92cc..c30495d035 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3513,10 +3513,10 @@ static BlockJob *do_drive_backup(DriveBackup *backup, JobTxn *txn, bdrv_unref(target_bs); goto out; } - if (bdrv_dirty_bitmap_qmp_locked(bmap)) { + if (bdrv_dirty_bitmap_user_locked(bmap)) { error_setg(errp, - "Bitmap '%s' is currently locked and cannot be used for " - "backup", backup->bitmap); + "Bitmap '%s' is currently in use by another operation" + " and cannot be used for backup", backup->bitmap); goto out; } } @@ -3621,10 +3621,10 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, JobTxn *txn, error_setg(errp, "Bitmap '%s' could not be found", backup->bitmap); goto out; } - if (bdrv_dirty_bitmap_qmp_locked(bmap)) { + if (bdrv_dirty_bitmap_user_locked(bmap)) { error_setg(errp, - "Bitmap '%s' is currently locked and cannot be used for " - "backup", backup->bitmap); + "Bitmap '%s' is currently in use by another operation" + " and cannot be used for backup", backup->bitmap); goto out; } }