NFSLCK_SETATTR
if (new_stp->ls_flags & (NFSLCK_CHECK | NFSLCK_SETATTR)) {
(NFSLCK_SETATTR | NFSLCK_CHECK)) != NFSLCK_SETATTR)
(NFSLCK_CHECK | NFSLCK_SETATTR)) {
if (new_stp->ls_flags & NFSLCK_SETATTR) {
stp->ls_flags |= NFSLCK_SETATTR;