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{ "id": 817790, "url": "http://patchwork.ozlabs.org/api/covers/817790/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20170923111411.18626-1-el13635@mail.ntua.gr/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170923111411.18626-1-el13635@mail.ntua.gr>", "list_archive_url": null, "date": "2017-09-23T11:14:08", "name": "[v3,0/3] add bdrv_co_drain_begin/end BlockDriver callbacks", "submitter": { "id": 71571, "url": "http://patchwork.ozlabs.org/api/people/71571/?format=api", "name": "Manos Pitsidianakis", "email": "el13635@mail.ntua.gr" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20170923111411.18626-1-el13635@mail.ntua.gr/mbox/", "series": [ { "id": 4757, "url": "http://patchwork.ozlabs.org/api/series/4757/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=4757", "date": "2017-09-23T11:14:08", "name": "add bdrv_co_drain_begin/end BlockDriver callbacks", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/4757/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/817790/comments/", "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xznp00f3Rz9tXB\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat, 23 Sep 2017 21:15:35 +1000 (AEST)", "from localhost ([::1]:34468 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dviPF-0004T8-3h\n\tfor incoming@patchwork.ozlabs.org; Sat, 23 Sep 2017 07:15:33 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:56673)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <el13635@mail.ntua.gr>) id 1dviOQ-0004Kl-B9\n\tfor qemu-devel@nongnu.org; Sat, 23 Sep 2017 07:14:43 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <el13635@mail.ntua.gr>) id 1dviOO-0001BA-Iw\n\tfor qemu-devel@nongnu.org; Sat, 23 Sep 2017 07:14:42 -0400", "from smtp1.ntua.gr ([2001:648:2000:de::183]:13165)\n\tby eggs.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <el13635@mail.ntua.gr>)\n\tid 1dviOI-00016Y-65; Sat, 23 Sep 2017 07:14:34 -0400", "from mail.ntua.gr (carp0.noc.ntua.gr [147.102.222.60])\n\t(authenticated bits=0)\n\tby smtp1.ntua.gr (8.15.2/8.15.2) with ESMTPSA id v8NBESZ6074775\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=NOT); Sat, 23 Sep 2017 14:14:28 +0300 (EEST)\n\t(envelope-from el13635@mail.ntua.gr)" ], "X-Authentication-Warning": "smtp1.ntua.gr: Host carp0.noc.ntua.gr\n\t[147.102.222.60] claimed to be mail.ntua.gr", "From": "Manos Pitsidianakis <el13635@mail.ntua.gr>", "To": "qemu-devel <qemu-devel@nongnu.org>", "Date": "Sat, 23 Sep 2017 14:14:08 +0300", "Message-Id": "<20170923111411.18626-1-el13635@mail.ntua.gr>", "X-Mailer": "git-send-email 2.11.0", "X-detected-operating-system": "by eggs.gnu.org: Genre and OS details not\n\trecognized.", "X-Received-From": "2001:648:2000:de::183", "Subject": "[Qemu-devel] [PATCH v3 0/3] add bdrv_co_drain_begin/end BlockDriver\n\tcallbacks", "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>,\n\t<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>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "Kevin Wolf <kwolf@redhat.com>, Fam Zheng <famz@redhat.com>,\n\tStefan Hajnoczi <stefanha@redhat.com>,\n\tqemu-block <qemu-block@nongnu.org>, Max Reitz <mreitz@redhat.com>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "This patch series renames bdrv_co_drain to bdrv_co_drain_begin and adds a new \nbdrv_co_drain_end callback to match bdrv_drained_begin/end and \ndrained_begin/end of BdrvChild. This is needed because the throttle driver \n(block/throttle.c) needs a way to mark the end of the drain in order to toggle \nio_limits_disabled correctly.\n\nBased-on: <20170918202529.28379-1-el13635@mail.ntua.gr>\n \"block/throttle-groups.c: allocate RestartData on the heap\"\n Which fixes a coroutine crash in block/throttle-groups.c\n\nv3:\n fixed commit message typo in first patch [Fam]\n rephrased doc comment based on mailing discussion\nv2: \n add doc for callbacks and change order of request polling for completion \n [Stefan]\n\nManos Pitsidianakis (3):\n block: add bdrv_co_drain_end callback\n block: rename bdrv_co_drain to bdrv_co_drain_begin\n block/throttle.c: add bdrv_co_drain_begin/end callbacks\n\n include/block/block_int.h | 13 ++++++++++---\n block/io.c | 48 +++++++++++++++++++++++++++++++++--------------\n block/qed.c | 6 +++---\n block/throttle.c | 18 ++++++++++++++++++\n 4 files changed, 65 insertions(+), 20 deletions(-)" }