ataraid_disk_vnode
SLIST_ENTRY(ataraid_disk_vnode) adv_next;
static SLIST_HEAD(, ataraid_disk_vnode) ataraid_disk_vnode_list =
struct ataraid_disk_vnode *adv = NULL;
adv = kmem_zalloc(sizeof(struct ataraid_disk_vnode), KM_SLEEP);
kmem_free(adv, sizeof(struct ataraid_disk_vnode));