flk_check_lock_data
if (rc = flk_check_lock_data(start, end, MAXEND))
if (rc = flk_check_lock_data(start, end, MAXEND))
if (rc = flk_check_lock_data(start, end, MAXOFF32_T))
error = flk_check_lock_data(lock_request->l_start, lock_request->l_end,
error = flk_check_lock_data(lock_request->l_start,
int flk_check_lock_data(u_offset_t, u_offset_t, offset_t);