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GET /api/patches/1307009/?format=api
{ "id": 1307009, "url": "http://patchwork.ozlabs.org/api/patches/1307009/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/aab896479c6295d19d4d8c2c86dce23e88f1d684.1591801197.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": "<aab896479c6295d19d4d8c2c86dce23e88f1d684.1591801197.git.berto@igalia.com>", "list_archive_url": null, "date": "2020-06-10T15:02:48", "name": "[v8,10/34] qcow2: Add offset_to_sc_index()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "e2ed407a916164f417cbced9c4749ab0bde464b2", "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/aab896479c6295d19d4d8c2c86dce23e88f1d684.1591801197.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/1307009/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1307009/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=O0zQyyaw;\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 49hr5J1zDwz9sQx\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 11 Jun 2020 01:10:12 +1000 (AEST)", "from localhost ([::1]:38294 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 1jj2Mj-000224-RN\n\tfor incoming@patchwork.ozlabs.org; Wed, 10 Jun 2020 11:10:09 -0400", "from eggs.gnu.org ([2001:470:142:3::10]:36062)\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 1jj2Gs-0002dt-U0; Wed, 10 Jun 2020 11:04:07 -0400", "from fanzine.igalia.com ([178.60.130.6]:58019)\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 1jj2Gr-0006vr-5Z; Wed, 10 Jun 2020 11:04:06 -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-0007go-5G; 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 1jj2GB-0007Mp-Uz; Wed, 10 Jun 2020 17:03:23 +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=DWFzz4T+AhoA6h3Vs/ROK38xw63e6XfJbmyzdTE6EKY=;\n b=O0zQyyawnXvo1D8s5tpWg27zkTDAuctzABLps5Dis7WRMH1Fahq5VMilW9sJbjA435BtBls6v5EY2h5WcpTlCshNhtdrrVeRy18CYu1LtRePG6lLsjaoqy+3rjPYOQA9lDT/BmA84rOgXgJJXBLNoMsQ6ofj/jd2qmyfsRmvt8AwKdnff/pKhN/CAVG0wGXx0oaz6hV8eWiJ421gn5JTgdj7NimAy1QCdPkfTbK6I44Dov8YRKw4zWcwn3+u6HA6SBEObdc5TWWXBrxCf8xIPf2zjAgrRm3jiuFKk9BmPK4sWgx0BxuZE4qF/avCbcC5RAnJTEp1WmKEm1YuWHfzaw==;", "From": "Alberto Garcia <berto@igalia.com>", "To": "qemu-devel@nongnu.org", "Subject": "[PATCH v8 10/34] qcow2: Add offset_to_sc_index()", "Date": "Wed, 10 Jun 2020 17:02:48 +0200", "Message-Id": "\n <aab896479c6295d19d4d8c2c86dce23e88f1d684.1591801197.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": "For a given offset, return the subcluster number within its cluster\n(i.e. with 32 subclusters per cluster it returns a number between 0\nand 31).\n\nSigned-off-by: Alberto Garcia <berto@igalia.com>\nReviewed-by: Max Reitz <mreitz@redhat.com>\nReviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>\n---\n block/qcow2.h | 5 +++++\n 1 file changed, 5 insertions(+)", "diff": "diff --git a/block/qcow2.h b/block/qcow2.h\nindex eee4c8de9c..2503374677 100644\n--- a/block/qcow2.h\n+++ b/block/qcow2.h\n@@ -581,6 +581,11 @@ static inline int offset_to_l2_slice_index(BDRVQcow2State *s, int64_t offset)\n return (offset >> s->cluster_bits) & (s->l2_slice_size - 1);\n }\n \n+static inline int offset_to_sc_index(BDRVQcow2State *s, int64_t offset)\n+{\n+ return (offset >> s->subcluster_bits) & (s->subclusters_per_cluster - 1);\n+}\n+\n static inline int64_t qcow2_vm_state_offset(BDRVQcow2State *s)\n {\n return (int64_t)s->l1_vm_state_index << (s->cluster_bits + s->l2_bits);\n", "prefixes": [ "v8", "10/34" ] }