diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2018-04-20 20:22:40 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-02 07:53:40 -0700 |
| commit | a4fc9c518e70c6e1c9c897a99b028795235d83ca (patch) | |
| tree | ed60b6aefd8e1b41c03cccb6f89f826e259a9317 /include/linux/virtio.h | |
| parent | 311a886f34311e575f7f911ebdbcbba9f05a498e (diff) | |
virtio: add ability to iterate over vqs
commit 24a7e4d20783c0514850f24a5c41ede46ab058f0 upstream.
For cleanup it's helpful to be able to simply scan all vqs and discard
all data. Add an iterator to do that.
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/virtio.h')
| -rw-r--r-- | include/linux/virtio.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 8f4d4bfa6d46..d7844d215381 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -124,6 +124,9 @@ int virtio_device_freeze(struct virtio_device *dev); int virtio_device_restore(struct virtio_device *dev); #endif +#define virtio_device_for_each_vq(vdev, vq) \ + list_for_each_entry(vq, &vdev->vqs, list) + /** * virtio_driver - operations for a virtio I/O driver * @driver: underlying device driver (populate name and owner). |