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authorAmit Shah <amit.shah@redhat.com>2011-12-22 16:58:29 +0530
committerRusty Russell <rusty@rustcorp.com.au>2012-01-12 15:44:45 +1030
commit6abd6e5a4404056e28be04958a57d0286883161a (patch)
tree3a862f66577272bfc3103827b515e9564197b24c /drivers/block
parentc743d09dbd018dd6345519fb3264b16bdaa41746 (diff)
virtio: blk: Move vq initialization to separate function
The probe and PM restore functions will share this code. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/virtio_blk.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index ba73661fb9f3..e8af52355bf5 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -362,6 +362,18 @@ static void virtblk_config_changed(struct virtio_device *vdev)
queue_work(virtblk_wq, &vblk->config_work);
}
+static int init_vq(struct virtio_blk *vblk)
+{
+ int err = 0;
+
+ /* We expect one virtqueue, for output. */
+ vblk->vq = virtio_find_single_vq(vblk->vdev, blk_done, "requests");
+ if (IS_ERR(vblk->vq))
+ err = PTR_ERR(vblk->vq);
+
+ return err;
+}
+
static int __devinit virtblk_probe(struct virtio_device *vdev)
{
struct virtio_blk *vblk;
@@ -405,12 +417,9 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
INIT_WORK(&vblk->config_work, virtblk_config_changed_work);
vblk->config_enable = true;
- /* We expect one virtqueue, for output. */
- vblk->vq = virtio_find_single_vq(vdev, blk_done, "requests");
- if (IS_ERR(vblk->vq)) {
- err = PTR_ERR(vblk->vq);
+ err = init_vq(vblk);
+ if (err)
goto out_free_vblk;
- }
vblk->pool = mempool_create_kmalloc_pool(1,sizeof(struct virtblk_req));
if (!vblk->pool) {