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GET /api/patches/813527/?format=api
{ "id": 813527, "url": "http://patchwork.ozlabs.org/api/patches/813527/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170913160333.23622-23-eblake@redhat.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": "<20170913160333.23622-23-eblake@redhat.com>", "list_archive_url": null, "date": "2017-09-13T16:03:32", "name": "[v4,22/23] block: Relax bdrv_aligned_preadv() assertion", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "34fd6b81e0a09520ec28f6fb6e9f28ec28468640", "submitter": { "id": 6591, "url": "http://patchwork.ozlabs.org/api/people/6591/?format=api", "name": "Eric Blake", "email": "eblake@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170913160333.23622-23-eblake@redhat.com/mbox/", "series": [ { "id": 2944, "url": "http://patchwork.ozlabs.org/api/series/2944/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=2944", "date": "2017-09-13T16:03:10", "name": "make bdrv_get_block_status byte-based", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/2944/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/813527/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/813527/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=208.118.235.17; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=eblake@redhat.com" ], "Received": [ "from lists.gnu.org (lists.gnu.org [208.118.235.17])\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 3xsn4D45R5z9s7M\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 14 Sep 2017 02:22:04 +1000 (AEST)", "from localhost ([::1]:43444 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 1dsAQM-0003Ha-DJ\n\tfor incoming@patchwork.ozlabs.org; Wed, 13 Sep 2017 12:22:02 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:46797)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <eblake@redhat.com>) id 1dsAB1-0003cs-9P\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 12:06:12 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <eblake@redhat.com>) id 1dsAAv-0007GA-GM\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 12:06:11 -0400", "from mx1.redhat.com ([209.132.183.28]:46450)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <eblake@redhat.com>)\n\tid 1dsAAq-0007Ck-2W; Wed, 13 Sep 2017 12:06:00 -0400", "from smtp.corp.redhat.com\n\t(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 2B240EEACD;\n\tWed, 13 Sep 2017 16:05:59 +0000 (UTC)", "from red.redhat.com (ovpn-120-201.rdu2.redhat.com [10.10.120.201])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 3CAEC69FAE;\n\tWed, 13 Sep 2017 16:05:30 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 2B240EEACD", "From": "Eric Blake <eblake@redhat.com>", "To": "qemu-devel@nongnu.org", "Date": "Wed, 13 Sep 2017 11:03:32 -0500", "Message-Id": "<20170913160333.23622-23-eblake@redhat.com>", "In-Reply-To": "<20170913160333.23622-1-eblake@redhat.com>", "References": "<20170913160333.23622-1-eblake@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.11", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.26]);\n\tWed, 13 Sep 2017 16:05:59 +0000 (UTC)", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]", "X-Received-From": "209.132.183.28", "Subject": "[Qemu-devel] [PATCH v4 22/23] block: Relax bdrv_aligned_preadv()\n\tassertion", "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": "kwolf@redhat.com, famz@redhat.com, qemu-block@nongnu.org,\n\tMax Reitz <mreitz@redhat.com>,\n\tStefan Hajnoczi <stefanha@redhat.com>, jsnow@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": "Now that bdrv_is_allocated accepts non-aligned inputs, we can\nremove the TODO added in commit d6a644bb.\n\nSigned-off-by: Eric Blake <eblake@redhat.com>\n\n---\nv3: new patch [Kevin]\n---\n block/io.c | 8 ++------\n 1 file changed, 2 insertions(+), 6 deletions(-)", "diff": "diff --git a/block/io.c b/block/io.c\nindex c78201b8eb..e0f9bca7e2 100644\n--- a/block/io.c\n+++ b/block/io.c\n@@ -1055,18 +1055,14 @@ static int coroutine_fn bdrv_aligned_preadv(BdrvChild *child,\n }\n\n if (flags & BDRV_REQ_COPY_ON_READ) {\n- /* TODO: Simplify further once bdrv_is_allocated no longer\n- * requires sector alignment */\n- int64_t start = QEMU_ALIGN_DOWN(offset, BDRV_SECTOR_SIZE);\n- int64_t end = QEMU_ALIGN_UP(offset + bytes, BDRV_SECTOR_SIZE);\n int64_t pnum;\n\n- ret = bdrv_is_allocated(bs, start, end - start, &pnum);\n+ ret = bdrv_is_allocated(bs, offset, bytes, &pnum);\n if (ret < 0) {\n goto out;\n }\n\n- if (!ret || pnum != end - start) {\n+ if (!ret || pnum != bytes) {\n ret = bdrv_co_do_copy_on_readv(child, offset, bytes, qiov);\n goto out;\n }\n", "prefixes": [ "v4", "22/23" ] }