nfsrv_freeopen
(void) nfsrv_freeopen(tstp, NULL, cansleep, p);
if (nfsrv_freeopen(stp, vp, 1, p) == 0) {
(void) nfsrv_freeopen(stp, NULL, 0, p);
static int nfsrv_freeopen(struct nfsstate *stp, vnode_t vp, int cansleep,