cdev_lock         346 fs/char_dev.c  static DEFINE_SPINLOCK(cdev_lock);
cdev_lock         380 fs/char_dev.c  	spin_lock(&cdev_lock);
cdev_lock         385 fs/char_dev.c  		spin_unlock(&cdev_lock);
cdev_lock         390 fs/char_dev.c  		spin_lock(&cdev_lock);
cdev_lock         402 fs/char_dev.c  	spin_unlock(&cdev_lock);
cdev_lock         428 fs/char_dev.c  	spin_lock(&cdev_lock);
cdev_lock         432 fs/char_dev.c  	spin_unlock(&cdev_lock);
cdev_lock         437 fs/char_dev.c  	spin_lock(&cdev_lock);
cdev_lock         444 fs/char_dev.c  	spin_unlock(&cdev_lock);