UNIONFSDEBUG
UNIONFSDEBUG("%s: uid=%d, gid=%d\n", __func__, uid, gid);
UNIONFSDEBUG("%s: udir=%#03o, ufile=%#03o\n", __func__, udir, ufile);
UNIONFSDEBUG("%s: copymode=%d\n", __func__, copymode);
UNIONFSDEBUG("%s: from %s, on %s\n", __func__,
UNIONFSDEBUG("%s: mp = %p\n", __func__, mp);
UNIONFSDEBUG("%s: rootvp=%p locked=%#x\n", __func__,
UNIONFSDEBUG("%s(mp = %p, lvp = %p, uvp = %p)\n",
UNIONFSDEBUG("%s\n", __func__); /* printed during system boot */
UNIONFSDEBUG("%s(mp = %p)\n", __func__, mp);
UNIONFSDEBUG("unionfs_lookup: Unable to create shadow dir.");
UNIONFSDEBUG("unionfs_lookup: Unable to create unionfs vnode.");