rem: struct vnode *v = _v;
add: struct vnode *vnode = _v;
context: vnode_hash(void *_v, const void *_key, unsigned int range){	struct vnode *v = _v;	const struct vnode_hash_key *key = _key;#define VHASH(fsid, vnid) (((uint32)((vnid)>>32) + (uint32)(vnid)) ^ (uint32)(fsid))	if (v != NULL)		return (VHASH(v->fsid, v->vnid) % range);	else		return (VHASH(key->fsid, key->vnid) % range);#undef VHASH}