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virtio: blk: Move vq initialization to separate function

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The probe and PM restore functions will share this code.

Signed-off-by: Amit Shah <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
This commit is contained in:
Amit Shah 2011-12-22 16:58:29 +05:30 • committed by Rusty Russell
commit 6abd6e5a44
1 changed files with 14 additions and 5 deletions
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19
drivers/block/virtio_blk.c
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@ -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) {