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GET /api/patches/813527/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "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"
    ]
}