Message ID | 20180925151541.18932-17-mreitz@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B54DF174A for <patchwork-qemu-devel@patchwork.kernel.org>; Tue, 25 Sep 2018 15:29:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A618C2A779 for <patchwork-qemu-devel@patchwork.kernel.org>; Tue, 25 Sep 2018 15:29:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9A2182A789; Tue, 25 Sep 2018 15:29:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 44B6E2A77E for <patchwork-qemu-devel@patchwork.kernel.org>; Tue, 25 Sep 2018 15:29:12 +0000 (UTC) Received: from localhost ([::1]:53719 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org>) id 1g4pGx-0004y0-21 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 25 Sep 2018 11:29:11 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44713) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <mreitz@redhat.com>) id 1g4p4n-00019Q-SA for qemu-devel@nongnu.org; Tue, 25 Sep 2018 11:16:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <mreitz@redhat.com>) id 1g4p4j-0005Hd-Na for qemu-devel@nongnu.org; Tue, 25 Sep 2018 11:16:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43450) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <mreitz@redhat.com>) id 1g4p4f-00051N-Fy; Tue, 25 Sep 2018 11:16:29 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A4B185F78E; Tue, 25 Sep 2018 15:16:21 +0000 (UTC) Received: from localhost (unknown [10.40.205.127]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 30A105D6A9; Tue, 25 Sep 2018 15:16:20 +0000 (UTC) From: Max Reitz <mreitz@redhat.com> To: qemu-block@nongnu.org Date: Tue, 25 Sep 2018 17:15:15 +0200 Message-Id: <20180925151541.18932-17-mreitz@redhat.com> In-Reply-To: <20180925151541.18932-1-mreitz@redhat.com> References: <20180925151541.18932-1-mreitz@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 25 Sep 2018 15:16:21 +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 16/42] blockdev: document transactional shortcomings X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Kevin Wolf <kwolf@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, qemu-devel@nongnu.org, Max Reitz <mreitz@redhat.com> Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> X-Virus-Scanned: ClamAV using ClamSMTP |
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[PULL,01/42] block/commit: add block job creation flags
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diff --git a/blockdev.c b/blockdev.c index 0cf8febe6c..d4b42403df 100644 --- a/blockdev.c +++ b/blockdev.c @@ -2182,7 +2182,13 @@ static const BlkActionOps actions[] = { .instance_size = sizeof(BlockDirtyBitmapState), .prepare = block_dirty_bitmap_disable_prepare, .abort = block_dirty_bitmap_disable_abort, - } + }, + /* Where are transactions for MIRROR, COMMIT and STREAM? + * Although these blockjobs use transaction callbacks like the backup job, + * these jobs do not necessarily adhere to transaction semantics. + * These jobs may not fully undo all of their actions on abort, nor do they + * necessarily work in transactions with more than one job in them. + */ }; /**