RUMP_VOP_CLOSE
RUMP_VOP_CLOSE(vp, flags, cred);
rv = RUMP_VOP_CLOSE(devvp, pr_close->pm_fmt, rootcred);
rv = RUMP_VOP_CLOSE(devvp, pr_close->pm_fmt, rootcred);
int RUMP_VOP_CLOSE(struct vnode *, int, struct kauth_cred *);