From 30d20e1258722431198cd2a8298c85b7af2a0c1b Mon Sep 17 00:00:00 2001
From: Pan Nengyuan <pannengyuan@huawei.com>
Date: Mon, 24 Feb 2020 12:13:36 +0800
Subject: [PATCH 5/9] vhost-user-blk: convert to new virtio_delete_queue

use the new virtio_delete_queue function to cleanup.

Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Message-Id: <20200224041336.30790-3-pannengyuan@huawei.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: AlexChen <alex.chen@huawei.com>
---
 hw/block/vhost-user-blk.c          | 20 ++++++++++++--------
 include/hw/virtio/vhost-user-blk.h |  4 +++-
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c
index dbc0a2e..146b927 100644
--- a/hw/block/vhost-user-blk.c
+++ b/hw/block/vhost-user-blk.c
@@ -303,7 +303,7 @@ static int vhost_user_blk_connect(DeviceState *dev)
     s->connected = true;
 
     s->dev.nvqs = s->num_queues;
-    s->dev.vqs = s->vqs;
+    s->dev.vqs = s->vhost_vqs;
     s->dev.vq_index = 0;
     s->dev.backend_features = 0;
 
@@ -430,13 +430,15 @@ static void vhost_user_blk_device_realize(DeviceState *dev, Error **errp)
     virtio_init(vdev, "virtio-blk", VIRTIO_ID_BLOCK,
                 sizeof(struct virtio_blk_config));
 
+    s->virtqs = g_new(VirtQueue *, s->num_queues);
     for (i = 0; i < s->num_queues; i++) {
-        virtio_add_queue(vdev, s->queue_size,
-                         vhost_user_blk_handle_output);
+        s->virtqs[i] = virtio_add_queue(vdev, s->queue_size,
+                                        vhost_user_blk_handle_output);
     }
 
     s->inflight = g_new0(struct vhost_inflight, 1);
-    s->vqs = g_new(struct vhost_virtqueue, s->num_queues);
+    s->vhost_vqs = g_new0(struct vhost_virtqueue, s->num_queues);
+    s->watch = 0;
     s->connected = false;
 
     qemu_chr_fe_set_handlers(&s->chardev,  NULL, NULL, vhost_user_blk_event,
@@ -467,11 +469,12 @@ reconnect:
     return;
 
 virtio_err:
-    g_free(s->vqs);
+    g_free(s->vhost_vqs);
     g_free(s->inflight);
     for (i = 0; i < s->num_queues; i++) {
-        virtio_del_queue(vdev, i);
+        virtio_delete_queue(s->virtqs[i]);
     }
+    g_free(s->virtqs);
     virtio_cleanup(vdev);
     vhost_user_cleanup(&s->vhost_user);
 }
@@ -487,12 +490,13 @@ static void vhost_user_blk_device_unrealize(DeviceState *dev, Error **errp)
                              NULL, NULL, NULL, false);
     vhost_dev_cleanup(&s->dev);
     vhost_dev_free_inflight(s->inflight);
-    g_free(s->vqs);
+    g_free(s->vhost_vqs);
     g_free(s->inflight);
 
     for (i = 0; i < s->num_queues; i++) {
-        virtio_del_queue(vdev, i);
+        virtio_delete_queue(s->virtqs[i]);
     }
+    g_free(s->virtqs);
     virtio_cleanup(vdev);
     vhost_user_cleanup(&s->vhost_user);
 }
diff --git a/include/hw/virtio/vhost-user-blk.h b/include/hw/virtio/vhost-user-blk.h
index ad9b742..29375dd 100644
--- a/include/hw/virtio/vhost-user-blk.h
+++ b/include/hw/virtio/vhost-user-blk.h
@@ -37,7 +37,9 @@ typedef struct VHostUserBlk {
     struct vhost_dev dev;
     struct vhost_inflight *inflight;
     VhostUserState vhost_user;
-    struct vhost_virtqueue *vqs;
+    struct vhost_virtqueue *vhost_vqs;
+    VirtQueue **virtqs;
+    guint watch;
     bool connected;
 } VHostUserBlk;
 
-- 
1.8.3.1

