chrdevs_lock       30 fs/char_dev.c  static DEFINE_MUTEX(chrdevs_lock);
chrdevs_lock       55 fs/char_dev.c  	mutex_lock(&chrdevs_lock);
chrdevs_lock       60 fs/char_dev.c  	mutex_unlock(&chrdevs_lock);
chrdevs_lock      120 fs/char_dev.c  	mutex_lock(&chrdevs_lock);
chrdevs_lock      163 fs/char_dev.c  	mutex_unlock(&chrdevs_lock);
chrdevs_lock      166 fs/char_dev.c  	mutex_unlock(&chrdevs_lock);
chrdevs_lock      177 fs/char_dev.c  	mutex_lock(&chrdevs_lock);
chrdevs_lock      187 fs/char_dev.c  	mutex_unlock(&chrdevs_lock);
chrdevs_lock      666 fs/char_dev.c  	cdev_map = kobj_map_init(base_probe, &chrdevs_lock);