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