Cross Reference: /src/sys/fs/union/union

Lines Matching defs:un
543 	struct union_node *un = VTOUNION(ap->a_dvp);
544 	struct vnode *dvp = un->un_uppervp;
577 	struct union_node *un = VTOUNION(ap->a_dvp);
580 	if (un->un_uppervp == NULLVP)
583 	return (VOP_WHITEOUT(un->un_uppervp, cnp, ap->a_flags));
595 	struct union_node *un = VTOUNION(ap->a_dvp);
596 	struct vnode *dvp = un->un_uppervp;
628 	struct union_node *un = VTOUNION(ap->a_vp);
638 	tvp = un->un_uppervp;
645 		tvp = un->un_lowervp;
647 			error = union_copyup(un, (mode&O_TRUNC) == 0, cred, l);
649 				error = VOP_OPEN(un->un_uppervp, mode, cred);
651 				mutex_enter(un->un_uppervp->v_interlock);
652 				un->un_uppervp->v_writecount++;
653 				mutex_exit(un->un_uppervp->v_interlock);
664 		un->un_openl++;
696 	struct union_node *un = VTOUNION(ap->a_vp);
701 	vp = un->un_uppervp;
705 		KASSERT(un->un_openl > 0);
706 		--un->un_openl;
707 		vp = un->un_lowervp;
714 		KASSERT(vp == un->un_uppervp);
746 	struct union_node *un = VTOUNION(vp);
780 	if (un->un_uppervp == NULLVP &&
781 	    (un->un_lowervp->v_type == VREG) &&
783 		vn_lock(un->un_lowervp, LK_EXCLUSIVE | LK_RETRY);
784 		error = VOP_ACCESS(un->un_lowervp, VREAD, ap->a_cred);
785 		VOP_UNLOCK(un->un_lowervp);
787 			error = union_copyup(un, 1, ap->a_cred, curlwp);
792 	if ((vp = un->un_uppervp) != NULLVP) {
797 	if ((vp = un->un_lowervp) != NULLVP) {
828 	struct union_node *un = VTOUNION(ap->a_vp);
829 	struct vnode *vp = un->un_uppervp;
850 	vp = un->un_uppervp;
855 		mutex_enter(&un->un_lock);
860 		vp = un->un_lowervp;
862 		vp = un->un_lowervp;
870 		if (vp == un->un_lowervp)
873 		if (vp == un->un_lowervp)
877 		mutex_enter(&un->un_lock);
911 	struct union_node *un = VTOUNION(vp);
947 	if ((un->un_uppervp == NULLVP) &&
948 	    /* assert(un->un_lowervp != NULLVP) */
949 	    (un->un_lowervp->v_type == VREG)) {
950 		error = union_copyup(un, (vap->va_size != 0),
961 	if (un->un_uppervp != NULLVP) {
962 		error = VOP_SETATTR(un->un_uppervp, vap, ap->a_cred);
964 			mutex_enter(&un->un_lock);
968 		KASSERT(un->un_lowervp != NULLVP);
969 		if (NODE_IS_SPECIAL(un->un_lowervp)) {
1009 		struct union_node *un = VTOUNION(ap->a_vp);
1013 		mutex_enter(&un->un_lock);
1014 		if (vp == un->un_uppervp) {
1015 			if (cur > un->un_uppersz)
1018 			if (cur > un->un_lowersz)
1025 			mutex_exit(&un->un_lock);
1042 	struct union_node *un = VTOUNION(ap->a_vp);
1066 		mutex_enter(&un->un_lock);
1067 		if (cur > un->un_uppersz)
1070 			mutex_exit(&un->un_lock);
1207 	struct union_node *un = VTOUNION(ap->a_vp);
1213 	if (un->un_uppervp != NULLVP) {
1215 		struct vnode *vp = un->un_uppervp;
1219 		if (union_dowhiteout(un, cnp->cn_cred))
1223 			union_removed_upper(un);
1228 			dun->un_uppervp, ap->a_cnp, un);
1256 		struct union_node *un = VTOUNION(ap->a_vp);
1257 		if (un->un_uppervp == NULLVP) {
1258 			const bool droplock = (dun->un_uppervp == un->un_dirvp);
1266 			error = union_copyup(un, 1, cnp->cn_cred, curlwp);
1312 		vp = un->un_uppervp;
1349 		struct union_node *un = VTOUNION(fdvp);
1350 		if (un->un_uppervp == NULLVP) {
1361 		fdvp = un->un_uppervp;
1366 		struct union_node *un = VTOUNION(fvp);
1367 		if (un->un_uppervp == NULLVP) {
1373 		if (un->un_lowervp != NULLVP)
1376 		fvp = un->un_uppervp;
1381 		struct union_node *un = VTOUNION(tdvp);
1382 		if (un->un_uppervp == NULLVP) {
1393 		tdvp = un->un_uppervp;
1398 		struct union_node *un = VTOUNION(tvp);
1400 		tvp = un->un_uppervp;
1441 	struct union_node *un = VTOUNION(ap->a_dvp);
1442 	struct vnode *dvp = un->un_uppervp;
1476 	struct union_node *un = VTOUNION(ap->a_vp);
1482 	error = union_check_rmdir(un, cnp->cn_cred);
1488 	if (un->un_uppervp != NULLVP) {
1490 		struct vnode *vp = un->un_uppervp;
1494 		if (union_dowhiteout(un, cnp->cn_cred))
1498 			union_removed_upper(un);
1503 			dun->un_uppervp, ap->a_cnp, un);
1520 	struct union_node *un = VTOUNION(ap->a_dvp);
1521 	struct vnode *dvp = un->un_uppervp;
1554 	struct union_node *un = VTOUNION(ap->a_vp);
1558 	if (un->un_hooknode) {
1559 		KASSERT(un->un_uppervp == NULLVP);
1560 		KASSERT(un->un_lowervp != NULLVP);
1561 		vp = un->un_lowervp;
1564 		vp = un->un_uppervp;
1625 	struct union_node *un = VTOUNION(vp);
1641 	if (un->un_dircache != 0) {
1642 		for (vpp = un->un_dircache; *vpp != NULLVP; vpp++)
1644 		free(un->un_dircache, M_TEMP);
1645 		un->un_dircache = 0;
1648 	*ap->a_recycle = ((un->un_cflags & UN_CACHED) == 0);
1713 	struct union_node *un = VTOUNION(vp);
1718 		if (!mutex_tryenter(&un->un_lock))
1722 		mutex_exit(&un->un_lock);
1726 	mutex_enter(&un->un_lock);
1729 		mutex_exit(&un->un_lock);
1733 		mutex_enter(&un->un_lock);
1738 	mutex_exit(&un->un_lock);
1812 	struct union_node *un;
1814 	un = VTOUNION(ap->a_vp);
1815 	mutex_enter(&un->un_lock);
1817 	mutex_exit(&un->un_lock);