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GET /api/patches/815746/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
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{
    "id": 815746,
    "url": "http://patchwork.ozlabs.org/api/patches/815746/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170919165226.23022-27-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": "<20170919165226.23022-27-marcandre.lureau@redhat.com>",
    "list_archive_url": null,
    "date": "2017-09-19T16:52:25",
    "name": "[v2,26/27] vhost-user-scsi: use libvhost-user glib helper",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "c84f701b55d1ae73f6f9bd722dee07eab6f71232",
    "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/20170919165226.23022-27-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/815746/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/815746/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>",
        "X-Original-To": "incoming@patchwork.ozlabs.org",
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        ],
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            "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 3xxVfZ4WbZz9s0Z\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 20 Sep 2017 03:46:14 +1000 (AEST)",
            "from localhost ([::1]:44409 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 1duMb6-0001Ho-4o\n\tfor incoming@patchwork.ozlabs.org; Tue, 19 Sep 2017 13:46:12 -0400",
            "from eggs.gnu.org ([2001:4830:134:3::10]:47818)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <marcandre.lureau@redhat.com>) id 1duLnN-0006r7-5f\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:54:50 -0400",
            "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <marcandre.lureau@redhat.com>) id 1duLnL-000304-N4\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:54:49 -0400",
            "from mx1.redhat.com ([209.132.183.28]:39798)\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 1duLnL-0002zU-FR\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:54:47 -0400",
            "from smtp.corp.redhat.com\n\t(int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16])\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 70469C04B954;\n\tTue, 19 Sep 2017 16:54:46 +0000 (UTC)",
            "from localhost (ovpn-112-56.ams2.redhat.com [10.36.112.56])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id A4E185C541;\n\tTue, 19 Sep 2017 16:54:43 +0000 (UTC)"
        ],
        "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 70469C04B954",
        "From": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>",
        "To": "qemu-devel@nongnu.org",
        "Date": "Tue, 19 Sep 2017 18:52:25 +0200",
        "Message-Id": "<20170919165226.23022-27-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 10.5.11.16",
        "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.31]);\n\tTue, 19 Sep 2017 16:54:46 +0000 (UTC)",
        "Content-Transfer-Encoding": "quoted-printable",
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        "X-Received-From": "209.132.183.28",
        "Subject": "[Qemu-devel] [PATCH v2 26/27] vhost-user-scsi: use libvhost-user\n\tglib helper",
        "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>",
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        "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": "Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>\n---\n contrib/vhost-user-scsi/vhost-user-scsi.c | 162 +++---------------------------\n 1 file changed, 16 insertions(+), 146 deletions(-)",
    "diff": "diff --git a/contrib/vhost-user-scsi/vhost-user-scsi.c b/contrib/vhost-user-scsi/vhost-user-scsi.c\nindex ff817d6643..615e2a76bb 100644\n--- a/contrib/vhost-user-scsi/vhost-user-scsi.c\n+++ b/contrib/vhost-user-scsi/vhost-user-scsi.c\n@@ -11,7 +11,7 @@\n  */\n \n #include \"qemu/osdep.h\"\n-#include \"contrib/libvhost-user/libvhost-user.h\"\n+#include \"contrib/libvhost-user/libvhost-user-glib.h\"\n #include \"standard-headers/linux/virtio_scsi.h\"\n #include \"iscsi/iscsi.h\"\n #include \"iscsi/scsi-lowlevel.h\"\n@@ -26,95 +26,13 @@ typedef struct VusIscsiLun {\n } VusIscsiLun;\n \n typedef struct VusDev {\n-    VuDev vu_dev;\n+    VugDev parent;\n+\n     int server_sock;\n-    GMainLoop *loop;\n-    GHashTable *fdmap;   /* fd -> gsource */\n     VusIscsiLun lun;\n+    GMainLoop *loop;\n } VusDev;\n \n-/** glib event loop integration for libvhost-user and misc callbacks **/\n-\n-QEMU_BUILD_BUG_ON((int)G_IO_IN != (int)VU_WATCH_IN);\n-QEMU_BUILD_BUG_ON((int)G_IO_OUT != (int)VU_WATCH_OUT);\n-QEMU_BUILD_BUG_ON((int)G_IO_PRI != (int)VU_WATCH_PRI);\n-QEMU_BUILD_BUG_ON((int)G_IO_ERR != (int)VU_WATCH_ERR);\n-QEMU_BUILD_BUG_ON((int)G_IO_HUP != (int)VU_WATCH_HUP);\n-\n-typedef struct vus_gsrc {\n-    GSource parent;\n-    VusDev *vdev_scsi;\n-    GPollFD gfd;\n-} vus_gsrc_t;\n-\n-static gboolean vus_gsrc_prepare(GSource *src, gint *timeout)\n-{\n-    assert(timeout);\n-\n-    *timeout = -1;\n-    return FALSE;\n-}\n-\n-static gboolean vus_gsrc_check(GSource *src)\n-{\n-    vus_gsrc_t *vus_src = (vus_gsrc_t *)src;\n-\n-    assert(vus_src);\n-\n-    return vus_src->gfd.revents & vus_src->gfd.events;\n-}\n-\n-static gboolean vus_gsrc_dispatch(GSource *src, GSourceFunc cb, gpointer data)\n-{\n-    VusDev *vdev_scsi;\n-    vus_gsrc_t *vus_src = (vus_gsrc_t *)src;\n-\n-    assert(vus_src);\n-\n-    vdev_scsi = vus_src->vdev_scsi;\n-\n-    assert(vdev_scsi);\n-\n-    ((vu_watch_cb)cb)(&vdev_scsi->vu_dev, vus_src->gfd.revents, data);\n-\n-    return G_SOURCE_CONTINUE;\n-}\n-\n-static GSourceFuncs vus_gsrc_funcs = {\n-    vus_gsrc_prepare,\n-    vus_gsrc_check,\n-    vus_gsrc_dispatch,\n-    NULL\n-};\n-\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-    guint id;\n-\n-    assert(vdev_scsi);\n-    assert(fd >= 0);\n-    assert(vu_cb || gsrc_cb);\n-    assert(!(vu_cb && gsrc_cb));\n-\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-    vus_src->vdev_scsi = vdev_scsi;\n-    vus_src->gfd.fd = fd;\n-    vus_src->gfd.events = cond;\n-\n-    g_source_add_poll(vus_gsrc, &vus_src->gfd);\n-    g_source_set_callback(vus_gsrc, gsrc_cb, data, NULL);\n-    id = g_source_attach(vus_gsrc, NULL);\n-    assert(id);\n-    g_source_unref(vus_gsrc);\n-\n-    return vus_gsrc;\n-}\n-\n /** libiscsi integration **/\n \n typedef struct virtio_scsi_cmd_req VirtIOSCSICmdReq;\n@@ -291,11 +209,13 @@ static int handle_cmd_sync(struct iscsi_context *ctx,\n \n static void vus_panic_cb(VuDev *vu_dev, const char *buf)\n {\n+    VugDev *gdev;\n     VusDev *vdev_scsi;\n \n     assert(vu_dev);\n \n-    vdev_scsi = container_of(vu_dev, VusDev, vu_dev);\n+    gdev = container_of(vu_dev, VugDev, parent);\n+    vdev_scsi = container_of(gdev, VusDev, parent);\n     if (buf) {\n         g_warning(\"vu_panic: %s\", buf);\n     }\n@@ -303,40 +223,16 @@ static void vus_panic_cb(VuDev *vu_dev, const char *buf)\n     g_main_loop_quit(vdev_scsi->loop);\n }\n \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-\n-    assert(vu_dev);\n-    assert(fd >= 0);\n-    assert(cb);\n-\n-    vdev_scsi = container_of(vu_dev, VusDev, vu_dev);\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-\n-    assert(vu_dev);\n-    assert(fd >= 0);\n-\n-    vdev_scsi = container_of(vu_dev, VusDev, vu_dev);\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 {\n+    VugDev *gdev;\n     VusDev *vdev_scsi;\n     VuVirtq *vq;\n \n     assert(vu_dev);\n \n-    vdev_scsi = container_of(vu_dev, VusDev, vu_dev);\n+    gdev = container_of(vu_dev, VugDev, parent);\n+    vdev_scsi = container_of(gdev, VusDev, parent);\n     if (idx < 0 || idx >= VHOST_MAX_NR_VIRTQUEUE) {\n         g_warning(\"VQ Index out of range: %d\", idx);\n         vus_panic_cb(vu_dev, NULL);\n@@ -420,21 +316,6 @@ static const VuDevIface vus_iface = {\n     .queue_set_started = vus_queue_set_started,\n };\n \n-static gboolean vus_vhost_cb(gpointer data)\n-{\n-    VuDev *vu_dev = (VuDev *)data;\n-\n-    assert(vu_dev);\n-\n-    if (!vu_dispatch(vu_dev) != 0) {\n-        g_warning(\"Error processing vhost message\");\n-        vus_panic_cb(vu_dev, NULL);\n-        return G_SOURCE_REMOVE;\n-    }\n-\n-    return G_SOURCE_CONTINUE;\n-}\n-\n /** misc helpers **/\n \n static int unix_sock_new(char *unix_fn)\n@@ -482,7 +363,6 @@ 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_hash_table_unref(vdev_scsi->fdmap);\n     g_free(vdev_scsi);\n }\n \n@@ -493,9 +373,6 @@ 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 =\n-        g_hash_table_new_full(NULL, NULL, NULL,\n-                              (GDestroyNotify) g_source_destroy);\n \n     return vdev_scsi;\n }\n@@ -503,11 +380,9 @@ static VusDev *vdev_scsi_new(int server_sock)\n static int vdev_scsi_run(VusDev *vdev_scsi)\n {\n     int cli_sock;\n-    int ret = 0;\n \n     assert(vdev_scsi);\n     assert(vdev_scsi->server_sock >= 0);\n-    assert(vdev_scsi->loop);\n \n     cli_sock = accept(vdev_scsi->server_sock, NULL, NULL);\n     if (cli_sock < 0) {\n@@ -515,21 +390,16 @@ static int vdev_scsi_run(VusDev *vdev_scsi)\n         return -1;\n     }\n \n-    vu_init(&vdev_scsi->vu_dev,\n-            cli_sock,\n-            vus_panic_cb,\n-            vus_add_watch_cb,\n-            vus_del_watch_cb,\n-            &vus_iface);\n-\n-    vus_gsrc_new(vdev_scsi, cli_sock, G_IO_IN, NULL, vus_vhost_cb,\n-                 &vdev_scsi->vu_dev);\n+    vug_init(&vdev_scsi->parent,\n+             cli_sock,\n+             vus_panic_cb,\n+             &vus_iface);\n \n     g_main_loop_run(vdev_scsi->loop);\n \n-    vu_deinit(&vdev_scsi->vu_dev);\n+    vug_deinit(&vdev_scsi->parent);\n \n-    return ret;\n+    return 0;\n }\n \n int main(int argc, char **argv)\n",
    "prefixes": [
        "v2",
        "26/27"
    ]
}