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GET /api/patches/806833/?format=api
{ "id": 806833, "url": "http://patchwork.ozlabs.org/api/patches/806833/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1503965694-10794-45-git-send-email-mdroth@linux.vnet.ibm.com/", "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": "<1503965694-10794-45-git-send-email-mdroth@linux.vnet.ibm.com>", "list_archive_url": null, "date": "2017-08-29T00:14:19", "name": "[44/79] block: Simplify BDRV_BLOCK_RAW recursion", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "162a4175dfa6e95efe7ed88a7cabaf2c3c89d2dd", "submitter": { "id": 5549, "url": "http://patchwork.ozlabs.org/api/people/5549/?format=api", "name": "Michael Roth", "email": "mdroth@linux.vnet.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1503965694-10794-45-git-send-email-mdroth@linux.vnet.ibm.com/mbox/", "series": [ { "id": 281, "url": "http://patchwork.ozlabs.org/api/series/281/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=281", "date": "2017-08-29T00:13:45", "name": "Patch Round-up for stable 2.9.1, freeze on 2017-09-04", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/281/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/806833/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/806833/checks/", "tags": {}, "related": [], "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 3xh8m45H05z9sNc\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 29 Aug 2017 10:34:44 +1000 (AEST)", "from localhost ([::1]:41981 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 1dmUUM-0000jO-I5\n\tfor incoming@patchwork.ozlabs.org; Mon, 28 Aug 2017 20:34:42 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:48215)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <mdroth@linux.vnet.ibm.com>) id 1dmUCY-0001OO-G6\n\tfor qemu-devel@nongnu.org; Mon, 28 Aug 2017 20:16:19 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <mdroth@linux.vnet.ibm.com>) id 1dmUCV-0005bq-QC\n\tfor qemu-devel@nongnu.org; Mon, 28 Aug 2017 20:16:18 -0400", "from mx0a-001b2d01.pphosted.com ([148.163.156.1]:38739)\n\tby eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <mdroth@linux.vnet.ibm.com>)\n\tid 1dmUCV-0005Yy-FY\n\tfor qemu-devel@nongnu.org; Mon, 28 Aug 2017 20:16:15 -0400", "from pps.filterd (m0098409.ppops.net [127.0.0.1])\n\tby mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv7T0E68p090042\n\tfor <qemu-devel@nongnu.org>; Mon, 28 Aug 2017 20:16:14 -0400", "from e14.ny.us.ibm.com (e14.ny.us.ibm.com [129.33.205.204])\n\tby mx0a-001b2d01.pphosted.com with ESMTP id 2cmvyehkkn-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor <qemu-devel@nongnu.org>; Mon, 28 Aug 2017 20:16:14 -0400", "from localhost\n\tby e14.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! Violators will be prosecuted\n\tfor <qemu-devel@nongnu.org> from <mdroth@linux.vnet.ibm.com>;\n\tMon, 28 Aug 2017 20:16:12 -0400", "from b01cxnp22033.gho.pok.ibm.com (9.57.198.23)\n\tby e14.ny.us.ibm.com (146.89.104.201) with IBM ESMTP SMTP Gateway:\n\tAuthorized Use Only! Violators will be prosecuted; \n\tMon, 28 Aug 2017 20:16:10 -0400", "from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com\n\t[9.57.199.111])\n\tby b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP\n\tid v7T0G9uf23920796; Tue, 29 Aug 2017 00:16:09 GMT", "from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id DD042AC03F;\n\tMon, 28 Aug 2017 20:16:33 -0400 (EDT)", "from localhost (unknown [9.80.85.217])\n\tby b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP id A5271AC04A;\n\tMon, 28 Aug 2017 20:16:33 -0400 (EDT)" ], "From": "Michael Roth <mdroth@linux.vnet.ibm.com>", "To": "qemu-devel@nongnu.org", "Date": "Mon, 28 Aug 2017 19:14:19 -0500", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1503965694-10794-1-git-send-email-mdroth@linux.vnet.ibm.com>", "References": "<1503965694-10794-1-git-send-email-mdroth@linux.vnet.ibm.com>", "X-TM-AS-GCONF": "00", "x-cbid": "17082900-0052-0000-0000-00000257335F", "X-IBM-SpamModules-Scores": "", "X-IBM-SpamModules-Versions": "BY=3.00007630; HX=3.00000241; KW=3.00000007;\n\tPH=3.00000004; SC=3.00000226; SDB=6.00909028; UDB=6.00455849;\n\tIPR=6.00689279; \n\tBA=6.00005557; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009;\n\tZB=6.00000000; \n\tZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00016909;\n\tXFM=3.00000015; UTC=2017-08-29 00:16:11", "X-IBM-AV-DETECTION": "SAVI=unused REMOTE=unused XFE=unused", "x-cbparentid": "17082900-0053-0000-0000-000051D1D973", "Message-Id": "<1503965694-10794-45-git-send-email-mdroth@linux.vnet.ibm.com>", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-08-28_13:, , signatures=0", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n\tspamscore=0 suspectscore=1\n\tmalwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam\n\tadjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000\n\tdefinitions=main-1708290001", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy]", "X-Received-From": "148.163.156.1", "Subject": "[Qemu-devel] [PATCH 44/79] block: Simplify BDRV_BLOCK_RAW recursion", "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": "qemu-stable@nongnu.org, Stefan Hajnoczi <stefanha@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": "From: Eric Blake <eblake@redhat.com>\n\nSince we are already in coroutine context during the body of\nbdrv_co_get_block_status(), we can shave off a few layers of\nwrappers when recursing to query the protocol when a format driver\nreturned BDRV_BLOCK_RAW.\n\nNote that we are already using the correct recursion later on in\nthe same function, when probing whether the protocol layer is sparse\nin order to find out if we can add BDRV_BLOCK_ZERO to an existing\nBDRV_BLOCK_DATA|BDRV_BLOCK_OFFSET_VALID.\n\nSigned-off-by: Eric Blake <eblake@redhat.com>\nReviewed-by: Max Reitz <mreitz@redhat.com>\nReviewed-by: Fam Zheng <famz@redhat.com>\nMessage-id: 20170504173745.27414-1-eblake@redhat.com\nSigned-off-by: Stefan Hajnoczi <stefanha@redhat.com>\n(cherry picked from commit ee29d6adefcca7e76abb124183814ed3acc74fac)\n* prereq for 81c219a\nSigned-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>\n---\n block/io.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/block/io.c b/block/io.c\nindex a7142e0..fe0c867 100644\n--- a/block/io.c\n+++ b/block/io.c\n@@ -1792,8 +1792,8 @@ static int64_t coroutine_fn bdrv_co_get_block_status(BlockDriverState *bs,\n \n if (ret & BDRV_BLOCK_RAW) {\n assert(ret & BDRV_BLOCK_OFFSET_VALID);\n- ret = bdrv_get_block_status(*file, ret >> BDRV_SECTOR_BITS,\n- *pnum, pnum, file);\n+ ret = bdrv_co_get_block_status(*file, ret >> BDRV_SECTOR_BITS,\n+ *pnum, pnum, file);\n goto out;\n }\n \n", "prefixes": [ "44/79" ] }