nfsrv_dsgetsockmnt
int nfsrv_dsgetsockmnt(struct vnode *, int, char *, int *, int *,
error = nfsrv_dsgetsockmnt(vp, 0, buf, &buflen, mirrorcntp, p, dvpp,
error = nfsrv_dsgetsockmnt(vp, LK_SHARED, buf, &buflen,
error = nfsrv_dsgetsockmnt(vp, 0, buf, &buflen, mirrorcntp, p, NULL,
error = nfsrv_dsgetsockmnt(vp, 0, buf, buflenp, &mirrorcnt, p,