bsd/vfs/vfs_subr.c

531         if (((vp->v_usecount != 0) &&
532             ((vp->v_usecount - vp->v_kusecount) != 0)))
1413 		if ((vp->v_iocount == 1) && (vp->v_usecount == 0)) {
1536 	if (vp->v_iocount <= 0 && vp->v_usecount <= 0)
1537 		panic("vnode_ref_ext: vp %p has no valid reference %d, %d", vp, vp->v_iocount, vp->v_usecount);
1550 	vp->v_usecount++;
1572 			 * when v_usecount drops back to 0, it
1580 	if (vp->v_usecount == 1 && vp->v_type == VREG && !(vp->v_flag & VSYSTEM)) {
1637 	if (VONLIST(vp) || (vp->v_usecount != 0) || (vp->v_iocount != 0) || (vp->v_lflag & VL_TERMINATE))
1787 	if (--vp->v_usecount < 0)
1788 		panic("vnode_rele_ext: vp %p usecount -ve : %d.  v_tag = %d, v_type = %d, v_flag = %x.", vp,  vp->v_usecount, vp->v_tag, vp->v_type, vp->v_flag);
1798 	if (vp->v_kusecount > vp->v_usecount)
1799 		panic("vnode_rele_ext: vp %p kusecount(%d) out of balance with usecount(%d).  v_tag = %d, v_type = %d, v_flag = %x.",vp, vp->v_kusecount, vp->v_usecount, vp->v_tag, vp->v_type, vp->v_flag);
1801 	if ((vp->v_iocount > 0) || (vp->v_usecount > 0)) {
1807 	        if (vp->v_usecount == 0) {
1863 	if ( (vp->v_iocount == 1) && (vp->v_usecount == 0) &&
1880 	if (vp->v_usecount == 0 && vp->v_type == VREG && !(vp->v_flag & VSYSTEM)) {
2003 		if (((vp->v_usecount == 0) ||
2004 		    ((vp->v_usecount - vp->v_kusecount) == 0))) {
2102 	active = vp->v_usecount;
2297 	if (vp->v_iocount || vp->v_usecount) {
2315 	if ((vp->v_iocount > 1) || vp->v_usecount) {
2406 		if ((vp->v_usecount > 0) || (vp->v_iocount > 1)) {
2453 			if ((vq->v_usecount == 0) && (vq->v_iocount == 1)  && vq != vp) {
2501 	       typename[vp->v_type], vp->v_usecount, vp->v_writecount);
3607 	if ((vpid != vp->v_id) || (vp->v_usecount != 0) || (vp->v_iocount != 0) ||
3664 			if (vp->v_usecount || vp->v_iocount || vp->v_kusecount ||
4127 	if ((vp->v_usecount > 0) || (vp->v_iocount > 1))  {
4177 	if ((vp->v_type != VREG) && ((vp->v_usecount - vp->v_kusecount) >  refcnt)) {