mutex_enter(&zsb->z_znodes_lock);
list_remove(&zsb->z_all_znodes, zp);
+ zsb->z_nr_znodes--;
mutex_exit(&zsb->z_znodes_lock);
if (zp->z_acl_cached) {
mutex_enter(&zsb->z_znodes_lock);
list_insert_tail(&zsb->z_all_znodes, zp);
+ zsb->z_nr_znodes++;
membar_producer();
mutex_exit(&zsb->z_znodes_lock);