fasync_lock       849 fs/fcntl.c     static DEFINE_SPINLOCK(fasync_lock);
fasync_lock       873 fs/fcntl.c     	spin_lock(&fasync_lock);
fasync_lock       888 fs/fcntl.c     	spin_unlock(&fasync_lock);
fasync_lock       920 fs/fcntl.c     	spin_lock(&fasync_lock);
fasync_lock       940 fs/fcntl.c     	spin_unlock(&fasync_lock);