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

Lines Matching refs:NULLVP
318 	if (un->un_pvp != NULLVP)
320 	if (un->un_uppervp != NULLVP)
322 	if (un->un_lowervp != NULLVP)
324 	if (un->un_dirvp != NULLVP)
367 	struct vnode *vp, *xlowervp = NULLVP;
374 	if (uppervp == NULLVP && lowervp == NULLVP)
379 		lowervp = NULLVP;
390 		hash[1] = UNION_HASH(uppervp, NULLVP);
391 		hash[2] = UNION_HASH(NULLVP, lowervp);
452 			if (cnp && (lowervp != NULLVP)) {
479 	if (undvp != NULLVP)
489 	if (dvp && cnp && (lowervp != NULLVP)) {
567 	svp = (un->un_uppervp != NULLVP) ? un->un_uppervp : un->un_lowervp;
585 	    ((un->un_lowervp == NULLVP) || un->un_lowervp == um->um_lowervp)) {
586 		if (un->un_lowervp == NULLVP) {
588 			if (un->un_lowervp != NULLVP) 
595 	if (un->un_uppervp != NULLVP) {
602 	if (un->un_lowervp != NULLVP) {
899 	*vpp = NULLVP;
961 	 * We do not set the uppervp to NULLVP here, because lowervp
962 	 * may also be NULLVP, so this routine would end up creating
971 	union_newupper(un, NULLVP);
990 	if ((un->un_lowervp != NULLVP) &&
996 	return (NULLVP);
1009 	if (un->un_lowervp != NULLVP)
1038 	if (un->un_uppervp != NULLVP)
1040 	if (un->un_lowervp != NULLVP)
1048 	struct vnode *nvp = NULLVP;
1056 	nvp = NULLVP;
1068 		*vpp = NULLVP;
1075 		} while (*vpp != NULLVP);
1078 	if (*vpp == NULLVP)
1082 	error = union_allocvp(&nvp, vp->v_mount, NULLVP, NULLVP, 0,
1083 	    NULLVP, *vpp, 0);
1103 		for (vpp = un->un_dircache; *vpp != NULLVP; vpp++)
1218 	if ((lvp = union_dircache(vp, l)) == NULLVP)
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