lock_to_openmode
int mode = lock_to_openmode(&lock->fl);
mode = lock_to_openmode(&lock->fl);
mode = lock_to_openmode(&lock->fl);
mode = lock_to_openmode(fl);
mode = lock_to_openmode(&lock->fl);
mode = lock_to_openmode(&lock->fl);
mode = lock_to_openmode(&lock->fl);
int lock_to_openmode(struct file_lock *);