get:
Show a patch.

patch:
Update a patch.

put:
Update a patch.

GET /api/patches/815740/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 815740,
    "url": "http://patchwork.ozlabs.org/api/patches/815740/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170919165226.23022-24-marcandre.lureau@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": "<20170919165226.23022-24-marcandre.lureau@redhat.com>",
    "list_archive_url": null,
    "date": "2017-09-19T16:52:22",
    "name": "[v2,23/27] vhost-user-scsi: simplify source handling",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "3e5d155456492a1e829c69a4bcef73b438382303",
    "submitter": {
        "id": 66774,
        "url": "http://patchwork.ozlabs.org/api/people/66774/?format=api",
        "name": "Marc-André Lureau",
        "email": "marcandre.lureau@redhat.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170919165226.23022-24-marcandre.lureau@redhat.com/mbox/",
    "series": [
        {
            "id": 3931,
            "url": "http://patchwork.ozlabs.org/api/series/3931/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=3931",
            "date": "2017-09-19T16:51:59",
            "name": "vhost-user-scsi: code clean-up",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/3931/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/815740/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/815740/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>)",
            "ext-mx04.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com",
            "ext-mx04.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=marcandre.lureau@redhat.com"
        ],
        "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 3xxVXs3VWgz9sMN\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 20 Sep 2017 03:41:17 +1000 (AEST)",
            "from localhost ([::1]:44386 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 1duMWJ-0005Bf-H8\n\tfor incoming@patchwork.ozlabs.org; Tue, 19 Sep 2017 13:41:15 -0400",
            "from eggs.gnu.org ([2001:4830:134:3::10]:47618)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <marcandre.lureau@redhat.com>) id 1duLn6-0006dG-Im\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:54:37 -0400",
            "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <marcandre.lureau@redhat.com>) id 1duLn5-0002qg-CA\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:54:32 -0400",
            "from mx1.redhat.com ([209.132.183.28]:42486)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <marcandre.lureau@redhat.com>)\n\tid 1duLn5-0002q2-3n\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:54:31 -0400",
            "from smtp.corp.redhat.com\n\t(int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14])\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 1331380476;\n\tTue, 19 Sep 2017 16:54:30 +0000 (UTC)",
            "from localhost (ovpn-112-56.ams2.redhat.com [10.36.112.56])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 2BB955D980;\n\tTue, 19 Sep 2017 16:54:28 +0000 (UTC)"
        ],
        "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 1331380476",
        "From": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>",
        "To": "qemu-devel@nongnu.org",
        "Date": "Tue, 19 Sep 2017 18:52:22 +0200",
        "Message-Id": "<20170919165226.23022-24-marcandre.lureau@redhat.com>",
        "In-Reply-To": "<20170919165226.23022-1-marcandre.lureau@redhat.com>",
        "References": "<20170919165226.23022-1-marcandre.lureau@redhat.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=UTF-8",
        "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.14",
        "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.28]);\n\tTue, 19 Sep 2017 16:54:30 +0000 (UTC)",
        "Content-Transfer-Encoding": "quoted-printable",
        "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 v2 23/27] vhost-user-scsi: simplify source\n\thandling",
        "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": "pbonzini@redhat.com, felipe@nutanix.com, changpeng.liu@intel.com,\n\t=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n\tf4bug@amsat.org",
        "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": "Using a hashtable.\n\nSigned-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>\nReviewed-by: Paolo Bonzini <pbonzini@redhat.com>\n---\n contrib/vhost-user-scsi/vhost-user-scsi.c | 45 +++++++++----------------------\n 1 file changed, 12 insertions(+), 33 deletions(-)",
    "diff": "diff --git a/contrib/vhost-user-scsi/vhost-user-scsi.c b/contrib/vhost-user-scsi/vhost-user-scsi.c\nindex 0e6784187c..2e1100dea3 100644\n--- a/contrib/vhost-user-scsi/vhost-user-scsi.c\n+++ b/contrib/vhost-user-scsi/vhost-user-scsi.c\n@@ -65,7 +65,7 @@ typedef struct VusDev {\n     VuDev vu_dev;\n     int server_sock;\n     GMainLoop *loop;\n-    GTree *fdmap;   /* fd -> gsource context id */\n+    GHashTable *fdmap;   /* fd -> gsource */\n     VusIscsiLun lun;\n } VusDev;\n \n@@ -83,11 +83,6 @@ typedef struct vus_gsrc {\n     GPollFD gfd;\n } vus_gsrc_t;\n \n-static gint vus_fdmap_compare(gconstpointer a, gconstpointer b)\n-{\n-    return (b > a) - (b < a);\n-}\n-\n static gboolean vus_gsrc_prepare(GSource *src, gint *timeout)\n {\n     assert(timeout);\n@@ -128,8 +123,8 @@ static GSourceFuncs vus_gsrc_funcs = {\n     NULL\n };\n \n-static void vus_gsrc_new(VusDev *vdev_scsi, int fd, GIOCondition cond,\n-                         vu_watch_cb vu_cb, GSourceFunc gsrc_cb, gpointer data)\n+static GSource *vus_gsrc_new(VusDev *vdev_scsi, int fd, GIOCondition cond,\n+                             vu_watch_cb vu_cb, GSourceFunc gsrc_cb, gpointer data)\n {\n     GSource *vus_gsrc;\n     vus_gsrc_t *vus_src;\n@@ -143,7 +138,6 @@ static void vus_gsrc_new(VusDev *vdev_scsi, int fd, GIOCondition cond,\n     vus_gsrc = g_source_new(&vus_gsrc_funcs, sizeof(vus_gsrc_t));\n     g_source_set_callback(vus_gsrc, (GSourceFunc) vu_cb, data, NULL);\n     vus_src = (vus_gsrc_t *)vus_gsrc;\n-\n     vus_src->vdev_scsi = vdev_scsi;\n     vus_src->gfd.fd = fd;\n     vus_src->gfd.events = cond;\n@@ -154,8 +148,7 @@ static void vus_gsrc_new(VusDev *vdev_scsi, int fd, GIOCondition cond,\n     assert(id);\n     g_source_unref(vus_gsrc);\n \n-    g_tree_insert(vdev_scsi->fdmap, (gpointer)(uintptr_t)fd,\n-                                    (gpointer)(uintptr_t)id);\n+    return vus_gsrc;\n }\n \n /** libiscsi integration **/\n@@ -348,43 +341,27 @@ static void vus_panic_cb(VuDev *vu_dev, const char *buf)\n static void vus_add_watch_cb(VuDev *vu_dev, int fd, int vu_evt, vu_watch_cb cb,\n                              void *pvt)\n {\n+    GSource *src;\n     VusDev *vdev_scsi;\n-    guint id;\n \n     assert(vu_dev);\n     assert(fd >= 0);\n     assert(cb);\n \n     vdev_scsi = container_of(vu_dev, VusDev, vu_dev);\n-    id = (guint)(uintptr_t)g_tree_lookup(vdev_scsi->fdmap,\n-                                         (gpointer)(uintptr_t)fd);\n-    if (id) {\n-        GSource *vus_src = g_main_context_find_source_by_id(NULL, id);\n-        assert(vus_src);\n-        g_source_destroy(vus_src);\n-        (void)g_tree_remove(vdev_scsi->fdmap, (gpointer)(uintptr_t)fd);\n-    }\n-\n-    vus_gsrc_new(vdev_scsi, fd, vu_evt, cb, NULL, pvt);\n+    src = vus_gsrc_new(vdev_scsi, fd, vu_evt, cb, NULL, pvt);\n+    g_hash_table_replace(vdev_scsi->fdmap, GINT_TO_POINTER(fd), src);\n }\n \n static void vus_del_watch_cb(VuDev *vu_dev, int fd)\n {\n     VusDev *vdev_scsi;\n-    guint id;\n \n     assert(vu_dev);\n     assert(fd >= 0);\n \n     vdev_scsi = container_of(vu_dev, VusDev, vu_dev);\n-    id = (guint)(uintptr_t)g_tree_lookup(vdev_scsi->fdmap,\n-                                         (gpointer)(uintptr_t)fd);\n-    if (id) {\n-        GSource *vus_src = g_main_context_find_source_by_id(NULL, id);\n-        assert(vus_src);\n-        g_source_destroy(vus_src);\n-        (void)g_tree_remove(vdev_scsi->fdmap, (gpointer)(uintptr_t)fd);\n-    }\n+    g_hash_table_remove(vdev_scsi->fdmap, GINT_TO_POINTER(fd));\n }\n \n static void vus_proc_req(VuDev *vu_dev, int idx)\n@@ -540,7 +517,7 @@ static void vdev_scsi_free(VusDev *vdev_scsi)\n         close(vdev_scsi->server_sock);\n     }\n     g_main_loop_unref(vdev_scsi->loop);\n-    g_tree_destroy(vdev_scsi->fdmap);\n+    g_hash_table_unref(vdev_scsi->fdmap);\n     g_free(vdev_scsi);\n }\n \n@@ -551,7 +528,9 @@ static VusDev *vdev_scsi_new(int server_sock)\n     vdev_scsi = g_new0(VusDev, 1);\n     vdev_scsi->server_sock = server_sock;\n     vdev_scsi->loop = g_main_loop_new(NULL, FALSE);\n-    vdev_scsi->fdmap = g_tree_new(vus_fdmap_compare);\n+    vdev_scsi->fdmap =\n+        g_hash_table_new_full(NULL, NULL, NULL,\n+                              (GDestroyNotify) g_source_destroy);\n \n     return vdev_scsi;\n }\n",
    "prefixes": [
        "v2",
        "23/27"
    ]
}