vdev_alloc_bias_t
vdev_alloc_bias_t alloc_bias = vd->vdev_alloc_bias;
vdev_alloc_bias_t vdev_alloc_bias; /* metaslab allocation bias */
static vdev_alloc_bias_t
vdev_alloc_bias_t alloc_bias = VDEV_BIAS_NONE;
vdev_alloc_bias_t alloc_bias = vd->vdev_alloc_bias;
vdev_alloc_bias_t alloc_bias = VDEV_BIAS_NONE;