debug_async_open
static int debug_async_open(struct inode *, struct file *);
static int debug_async_open(struct inode *, struct file *);
.open = debug_async_open,
static int debug_async_open(struct inode *, struct file *);
.open = debug_async_open,
static int debug_async_open(struct inode *, struct file *);
static int debug_async_open(struct inode *, struct file *);
.open = debug_async_open,