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| author | Michael S. Tsirkin <mst@redhat.com> | 2018-04-20 20:22:40 +0300 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@microsoft.com> | 2018-05-22 21:36:37 -0400 |
| commit | 851c5371237bd1826790c16d9a639af56360cad6 (patch) | |
| tree | cbf7b3ffee5b29a39143b80d78f2f52af596061d | |
| parent | ed5fb8b333d6c4e4c6f2a0b06f5078761b9ea4ba (diff) | |
| download | linux-stable-851c5371237bd1826790c16d9a639af56360cad6.tar.gz linux-stable-851c5371237bd1826790c16d9a639af56360cad6.tar.bz2 linux-stable-851c5371237bd1826790c16d9a639af56360cad6.zip | |
virtio: add ability to iterate over vqs
[ Upstream commit 24a7e4d20783c0514850f24a5c41ede46ab058f0 ]
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: Sasha Levin <alexander.levin@microsoft.com>
| -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). |