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authorThomas Huth <thuth@redhat.com>2017-01-17 14:16:41 +0100
committerAlexey Kardashevskiy <aik@ozlabs.ru>2017-02-03 13:42:21 +1100
commitf8ad6d0ae9c2861e2106580d7a2b8f72e95fb29f (patch)
tree6c5918c389c79867e8126521be734d4a160221f8 /lib/libvirtio/virtio-blk.c
parentba46a3f133c8532a517779cc3763e8ac2409d626 (diff)
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virtio: Remove global variables in block and 9p driver
No need for a global variable to store the virtqueue information here, thus let's remove the global vq variable and make it local to the init function instead. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Diffstat (limited to 'lib/libvirtio/virtio-blk.c')
-rw-r--r--lib/libvirtio/virtio-blk.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/libvirtio/virtio-blk.c b/lib/libvirtio/virtio-blk.c
index cdfdd10..9eea99d 100644
--- a/lib/libvirtio/virtio-blk.c
+++ b/lib/libvirtio/virtio-blk.c
@@ -21,8 +21,6 @@
#define DEFAULT_SECTOR_SIZE 512
#define DRIVER_FEATURE_SUPPORT (VIRTIO_BLK_F_BLK_SIZE | VIRTIO_F_VERSION_1)
-static struct vqs vq;
-
/**
* Initialize virtio-block device.
* @param dev pointer to virtio device information
@@ -30,7 +28,7 @@ static struct vqs vq;
int
virtioblk_init(struct virtio_device *dev)
{
- struct vring_avail *vq_avail;
+ struct vqs vq;
int blk_size = DEFAULT_SECTOR_SIZE;
uint64_t features;
int status = VIRTIO_STAT_ACKNOWLEDGE;
@@ -59,9 +57,8 @@ virtioblk_init(struct virtio_device *dev)
if (virtio_queue_init_vq(dev, &vq, 0))
goto dev_error;
- vq_avail = virtio_get_vring_avail(dev, 0);
- vq_avail->flags = virtio_cpu_to_modern16(dev, VRING_AVAIL_F_NO_INTERRUPT);
- vq_avail->idx = 0;
+ vq.avail->flags = virtio_cpu_to_modern16(dev, VRING_AVAIL_F_NO_INTERRUPT);
+ vq.avail->idx = 0;
/* Tell HV that setup succeeded */
status |= VIRTIO_STAT_DRIVER_OK;