nfs4open_otw
error = nfs4open_otw(dvp, file_name, NULL, &open_vp, cr, 0, FREAD, 0,
static int nfs4open_otw(vnode_t *, char *, struct vattr *, vnode_t **,
error = nfs4open_otw(dvp, nm, &vattr, vpp, cr, 1, flags, createmode, 0);
error = nfs4open_otw(dvp, fn, NULL, vpp, cr, 0, flag, 0,