| Message ID | 20200213012807.45552-3-pannengyuan@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | delete virtio queues in vhost-user-blk-unrealize | expand |
On Thu, Feb 13, 2020 at 09:28:07AM +0800, pannengyuan@huawei.com wrote: > diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c > index 2eba8b9db0..ed6a5cc03b 100644 > --- a/hw/block/vhost-user-blk.c > +++ b/hw/block/vhost-user-blk.c > @@ -420,9 +420,10 @@ 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_new0(VirtQueue *, s->num_queues); Minor point, up to you if you want to change it: the array is fully initialized by the for loop in the next line. There is no need to clear the memory first: s/g_new0/g_new/ > diff --git a/include/hw/virtio/vhost-user-blk.h b/include/hw/virtio/vhost-user-blk.h > index 108bfadeeb..f68911f6f0 100644 > --- a/include/hw/virtio/vhost-user-blk.h > +++ b/include/hw/virtio/vhost-user-blk.h > @@ -37,6 +37,7 @@ typedef struct VHostUserBlk { > struct vhost_inflight *inflight; > VhostUserState vhost_user; > struct vhost_virtqueue *vqs; > + VirtQueue **virtqs; Both vqs and virtqs exist and are easily confused. Please rename vqs to vhost_vqs.
On 2/21/2020 7:31 PM, Stefan Hajnoczi wrote: > On Thu, Feb 13, 2020 at 09:28:07AM +0800, pannengyuan@huawei.com wrote: >> diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c >> index 2eba8b9db0..ed6a5cc03b 100644 >> --- a/hw/block/vhost-user-blk.c >> +++ b/hw/block/vhost-user-blk.c >> @@ -420,9 +420,10 @@ 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_new0(VirtQueue *, s->num_queues); > > Minor point, up to you if you want to change it: the array is fully > initialized by the for loop in the next line. There is no need to clear > the memory first: > > s/g_new0/g_new/ OK, it's fine, I will change it. Thanks. > >> diff --git a/include/hw/virtio/vhost-user-blk.h b/include/hw/virtio/vhost-user-blk.h >> index 108bfadeeb..f68911f6f0 100644 >> --- a/include/hw/virtio/vhost-user-blk.h >> +++ b/include/hw/virtio/vhost-user-blk.h >> @@ -37,6 +37,7 @@ typedef struct VHostUserBlk { >> struct vhost_inflight *inflight; >> VhostUserState vhost_user; >> struct vhost_virtqueue *vqs; >> + VirtQueue **virtqs; > > Both vqs and virtqs exist and are easily confused. Please rename vqs to > vhost_vqs. OK, I will do it. Thanks. >
On Thu, Feb 13, 2020 at 09:28:07AM +0800, pannengyuan@huawei.com wrote: > From: Pan Nengyuan <pannengyuan@huawei.com> > > use the new virtio_delete_queue function to cleanup. > > Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com> typo in subject use-blk->user-blk > --- > hw/block/vhost-user-blk.c | 11 +++++++---- > include/hw/virtio/vhost-user-blk.h | 1 + > 2 files changed, 8 insertions(+), 4 deletions(-) > > diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c > index 2eba8b9db0..ed6a5cc03b 100644 > --- a/hw/block/vhost-user-blk.c > +++ b/hw/block/vhost-user-blk.c > @@ -420,9 +420,10 @@ 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_new0(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); > @@ -461,8 +462,9 @@ virtio_err: > g_free(s->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); > } > @@ -482,8 +484,9 @@ static void vhost_user_blk_device_unrealize(DeviceState *dev, Error **errp) > 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 108bfadeeb..f68911f6f0 100644 > --- a/include/hw/virtio/vhost-user-blk.h > +++ b/include/hw/virtio/vhost-user-blk.h > @@ -37,6 +37,7 @@ typedef struct VHostUserBlk { > struct vhost_inflight *inflight; > VhostUserState vhost_user; > struct vhost_virtqueue *vqs; > + VirtQueue **virtqs; > guint watch; > bool connected; > } VHostUserBlk; > -- > 2.21.0.windows.1 >
diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index 2eba8b9db0..ed6a5cc03b 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -420,9 +420,10 @@ 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_new0(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); @@ -461,8 +462,9 @@ virtio_err: g_free(s->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); } @@ -482,8 +484,9 @@ static void vhost_user_blk_device_unrealize(DeviceState *dev, Error **errp) 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 108bfadeeb..f68911f6f0 100644 --- a/include/hw/virtio/vhost-user-blk.h +++ b/include/hw/virtio/vhost-user-blk.h @@ -37,6 +37,7 @@ typedef struct VHostUserBlk { struct vhost_inflight *inflight; VhostUserState vhost_user; struct vhost_virtqueue *vqs; + VirtQueue **virtqs; guint watch; bool connected; } VHostUserBlk;