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GET /api/patches/1307031/?format=api
{ "id": 1307031, "url": "http://patchwork.ozlabs.org/api/patches/1307031/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/bd18df5282c3e4b4290d38f028ac649b5bdaae7e.1591801197.git.berto@igalia.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": "<bd18df5282c3e4b4290d38f028ac649b5bdaae7e.1591801197.git.berto@igalia.com>", "list_archive_url": null, "date": "2020-06-10T15:03:02", "name": "[v8,24/34] qcow2: Add subcluster support to check_refcounts_l2()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bd7995b4ae3ab42728ed7d362da8647d816c5da7", "submitter": { "id": 65704, "url": "http://patchwork.ozlabs.org/api/people/65704/?format=api", "name": "Alberto Garcia", "email": "berto@igalia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/bd18df5282c3e4b4290d38f028ac649b5bdaae7e.1591801197.git.berto@igalia.com/mbox/", "series": [ { "id": 182563, "url": "http://patchwork.ozlabs.org/api/series/182563/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=182563", "date": "2020-06-10T15:02:49", "name": "Add subcluster allocation to qcow2", "version": 8, "mbox": "http://patchwork.ozlabs.org/series/182563/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1307031/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1307031/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 spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=<UNKNOWN>)", "ozlabs.org;\n dmarc=none (p=none dis=none) header.from=igalia.com", "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=igalia.com header.i=@igalia.com header.a=rsa-sha256\n header.s=20170329 header.b=Y6dzKxN5;\n\tdkim-atps=neutral" ], "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 49hrR51fsMz9sRh\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 11 Jun 2020 01:25:37 +1000 (AEST)", "from localhost ([::1]:58762 helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1jj2be-0007l4-T7\n\tfor incoming@patchwork.ozlabs.org; Wed, 10 Jun 2020 11:25:34 -0400", "from eggs.gnu.org ([2001:470:142:3::10]:36190)\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <berto@igalia.com>)\n id 1jj2H4-0002pE-NX; Wed, 10 Jun 2020 11:04:19 -0400", "from fanzine.igalia.com ([178.60.130.6]:58279)\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <berto@igalia.com>)\n id 1jj2Gs-0006wr-Oa; Wed, 10 Jun 2020 11:04:16 -0400", "from [81.0.38.199] (helo=perseus.local)\n by fanzine.igalia.com with esmtpsa\n (Cipher TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim)\n id 1jj2GR-0007hA-OO; Wed, 10 Jun 2020 17:03:39 +0200", "from berto by perseus.local with local (Exim 4.92)\n (envelope-from <berto@igalia.com>)\n id 1jj2GC-0007NW-Ce; Wed, 10 Jun 2020 17:03:24 +0200" ], "DKIM-Signature": "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com;\n s=20170329;\n h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From;\n bh=rYtb2FYfGO+eQGiZ0oQYJSWRUo7OpthnEHRNgAuR++M=;\n b=Y6dzKxN59T24mSf5AOCApQQw/jWrRhJJhMcGdeoxIUaAoUtttc23v5J3FzWVD9PejyOryH+gcq+Tab4N0/mXd50OoAAXjkp8/Vnrta4822KIpdwUr+l9V5lg/fGAwD3pKR8/YsmntCqnnU5+cXLVjQL77OOgKjcRdlqsrofKgk/PDH71Tkjo/RW5F/eD1h0LeNpksw3XG9r+sQvyOTiNR/+aer48UodZlw49lCF+DkqYJQ04+2QbIy+u04roccN5hEPeCjnZoLBy9SSgkBIfKUVBMio1V6dajj2oHjBJ0aSNEZJt3Di1uJfeDQd+QU/8mOp1ecUafIt7YiGXCBkGCQ==;", "From": "Alberto Garcia <berto@igalia.com>", "To": "qemu-devel@nongnu.org", "Subject": "[PATCH v8 24/34] qcow2: Add subcluster support to\n check_refcounts_l2()", "Date": "Wed, 10 Jun 2020 17:03:02 +0200", "Message-Id": "\n <bd18df5282c3e4b4290d38f028ac649b5bdaae7e.1591801197.git.berto@igalia.com>", "X-Mailer": "git-send-email 2.20.1", "In-Reply-To": "<cover.1591801197.git.berto@igalia.com>", "References": "<cover.1591801197.git.berto@igalia.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=178.60.130.6; envelope-from=berto@igalia.com;\n helo=fanzine.igalia.com", "X-detected-operating-system": "by eggs.gnu.org: First seen = 2020/06/10 11:03:39", "X-ACL-Warn": "Detected OS = Linux 2.2.x-3.x (no timestamps) [generic] [fuzzy]", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=_AUTOLEARN", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.23", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://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 <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "Kevin Wolf <kwolf@redhat.com>,\n Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,\n Alberto Garcia <berto@igalia.com>, qemu-block@nongnu.org,\n Derek Su <dereksu@qnap.com>, Max Reitz <mreitz@redhat.com>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "Setting the QCOW_OFLAG_ZERO bit of the L2 entry is forbidden if an\nimage has subclusters. Instead, the individual 'all zeroes' bits must\nbe used.\n\nSigned-off-by: Alberto Garcia <berto@igalia.com>\nReviewed-by: Max Reitz <mreitz@redhat.com>\nReviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>\nReviewed-by: Eric Blake <eblake@redhat.com>\n---\n block/qcow2-refcount.c | 9 +++++++--\n 1 file changed, 7 insertions(+), 2 deletions(-)", "diff": "diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c\nindex 770c5dbc83..696e4dad07 100644\n--- a/block/qcow2-refcount.c\n+++ b/block/qcow2-refcount.c\n@@ -1686,8 +1686,13 @@ static int check_refcounts_l2(BlockDriverState *bs, BdrvCheckResult *res,\n int ign = active ? QCOW2_OL_ACTIVE_L2 :\n QCOW2_OL_INACTIVE_L2;\n \n- l2_entry = QCOW_OFLAG_ZERO;\n- set_l2_entry(s, l2_table, i, l2_entry);\n+ if (has_subclusters(s)) {\n+ set_l2_entry(s, l2_table, i, 0);\n+ set_l2_bitmap(s, l2_table, i,\n+ QCOW_L2_BITMAP_ALL_ZEROES);\n+ } else {\n+ set_l2_entry(s, l2_table, i, QCOW_OFLAG_ZERO);\n+ }\n ret = qcow2_pre_write_overlap_check(bs, ign,\n l2e_offset, l2_entry_size(s), false);\n if (ret < 0) {\n", "prefixes": [ "v8", "24/34" ] }