48 #define F_DENTRY(filp) ((filp)->f_path.dentry)  argument
268 			       struct file *filp,  in debugfs_locked_down()  argument
272 	    !(filp->f_mode & FMODE_WRITE) &&  in debugfs_locked_down()
285 static int open_proxy_open(struct inode *inode, struct file *filp)  in open_proxy_open()  argument
287 	struct dentry *dentry = F_DENTRY(filp);  in open_proxy_open()
295 	r = debugfs_locked_down(inode, filp, real_fops);  in open_proxy_open()
314 	replace_fops(filp, real_fops);  in open_proxy_open()
317 		r = real_fops->open(inode, filp);  in open_proxy_open()
331 #define FULL_PROXY_FUNC(name, ret_type, filp, proto, args, bit, ret)	\  argument
334 	struct dentry *dentry = F_DENTRY(filp);				\
348 #define SHORT_PROXY_FUNC(name, ret_type, filp, proto, args, bit, ret)	\  argument
351 	struct dentry *dentry = F_DENTRY(filp);				\
365 SHORT_PROXY_FUNC(llseek, loff_t, filp,
366 		PROTO(struct file *filp, loff_t offset, int whence),
367 		ARGS(filp, offset, whence), HAS_LSEEK, -ESPIPE);
369 FULL_PROXY_FUNC(llseek, loff_t, filp,
370 		PROTO(struct file *filp, loff_t offset, int whence),
371 		ARGS(filp, offset, whence), HAS_LSEEK, -ESPIPE);
373 SHORT_PROXY_FUNC(read, ssize_t, filp,
374 		PROTO(struct file *filp, char __user *buf, size_t size,
376 		ARGS(filp, buf, size, ppos), HAS_READ, -EINVAL);
378 FULL_PROXY_FUNC(read, ssize_t, filp,
379 		PROTO(struct file *filp, char __user *buf, size_t size,
381 		ARGS(filp, buf, size, ppos), HAS_READ, -EINVAL);
383 SHORT_PROXY_FUNC(write, ssize_t, filp,
384 		PROTO(struct file *filp, const char __user *buf,
386 		ARGS(filp, buf, size, ppos), HAS_WRITE, -EINVAL);
388 FULL_PROXY_FUNC(write, ssize_t, filp,
389 		PROTO(struct file *filp, const char __user *buf,
391 		ARGS(filp, buf, size, ppos), HAS_WRITE, -EINVAL);
393 FULL_PROXY_FUNC(unlocked_ioctl, long, filp,
394 		PROTO(struct file *filp, unsigned int cmd, unsigned long arg),
395 		ARGS(filp, cmd, arg), HAS_IOCTL, -ENOTTY);
397 static __poll_t full_proxy_poll(struct file *filp,  in full_proxy_poll()  argument
400 	struct dentry *dentry = F_DENTRY(filp);  in full_proxy_poll()
409 	r = fsd->real_fops->poll(filp, wait);  in full_proxy_poll()
433 static int full_proxy_open_regular(struct inode *inode, struct file *filp)  in full_proxy_open_regular()  argument
435 	struct dentry *dentry = F_DENTRY(filp);  in full_proxy_open_regular()
446 	r = debugfs_locked_down(inode, filp, real_fops);  in full_proxy_open_regular()
467 		r = real_fops->open(inode, filp);  in full_proxy_open_regular()
470 		} else if (filp->f_op != &debugfs_full_proxy_file_operations) {  in full_proxy_open_regular()
492 static int full_proxy_open_short(struct inode *inode, struct file *filp)  in full_proxy_open_short()  argument
494 	struct dentry *dentry = F_DENTRY(filp);  in full_proxy_open_short()
500 	r = debugfs_locked_down(inode, filp, NULL);  in full_proxy_open_short()
502 		r = simple_open(inode, filp);  in full_proxy_open_short()