48 #define F_DENTRY(filp) ((filp)->f_path.dentry)  argument
50 const struct file_operations *debugfs_real_fops(const struct file *filp)  in debugfs_real_fops()  argument
52 	struct debugfs_fsdata *fsd = F_DENTRY(filp)->d_fsdata;  in debugfs_real_fops()
147 			       struct file *filp,  in debugfs_locked_down()  argument
151 	    !(filp->f_mode & FMODE_WRITE) &&  in debugfs_locked_down()
163 static int open_proxy_open(struct inode *inode, struct file *filp)  in open_proxy_open()  argument
165 	struct dentry *dentry = F_DENTRY(filp);  in open_proxy_open()
173 	real_fops = debugfs_real_fops(filp);  in open_proxy_open()
175 	r = debugfs_locked_down(inode, filp, real_fops);  in open_proxy_open()
192 	replace_fops(filp, real_fops);  in open_proxy_open()
195 		r = real_fops->open(inode, filp);  in open_proxy_open()
209 #define FULL_PROXY_FUNC(name, ret_type, filp, proto, args)		\  argument
212 	struct dentry *dentry = F_DENTRY(filp);			\
219 	real_fops = debugfs_real_fops(filp);				\
225 FULL_PROXY_FUNC(llseek, loff_t, filp,
226 		PROTO(struct file *filp, loff_t offset, int whence),
227 		ARGS(filp, offset, whence));
229 FULL_PROXY_FUNC(read, ssize_t, filp,
230 		PROTO(struct file *filp, char __user *buf, size_t size,
232 		ARGS(filp, buf, size, ppos));
234 FULL_PROXY_FUNC(write, ssize_t, filp,
235 		PROTO(struct file *filp, const char __user *buf, size_t size,
237 		ARGS(filp, buf, size, ppos));
239 FULL_PROXY_FUNC(unlocked_ioctl, long, filp,
240 		PROTO(struct file *filp, unsigned int cmd, unsigned long arg),
241 		ARGS(filp, cmd, arg));
243 static __poll_t full_proxy_poll(struct file *filp,  in full_proxy_poll()  argument
246 	struct dentry *dentry = F_DENTRY(filp);  in full_proxy_poll()
253 	real_fops = debugfs_real_fops(filp);  in full_proxy_poll()
254 	r = real_fops->poll(filp, wait);  in full_proxy_poll()
259 static int full_proxy_release(struct inode *inode, struct file *filp)  in full_proxy_release()  argument
261 	const struct dentry *dentry = F_DENTRY(filp);  in full_proxy_release()
262 	const struct file_operations *real_fops = debugfs_real_fops(filp);  in full_proxy_release()
263 	const struct file_operations *proxy_fops = filp->f_op;  in full_proxy_release()
273 		r = real_fops->release(inode, filp);  in full_proxy_release()
275 	replace_fops(filp, d_inode(dentry)->i_fop);  in full_proxy_release()
297 static int full_proxy_open(struct inode *inode, struct file *filp)  in full_proxy_open()  argument
299 	struct dentry *dentry = F_DENTRY(filp);  in full_proxy_open()
308 	real_fops = debugfs_real_fops(filp);  in full_proxy_open()
310 	r = debugfs_locked_down(inode, filp, real_fops);  in full_proxy_open()
334 	replace_fops(filp, proxy_fops);  in full_proxy_open()
337 		r = real_fops->open(inode, filp);  in full_proxy_open()
339 			replace_fops(filp, d_inode(dentry)->i_fop);  in full_proxy_open()
341 		} else if (filp->f_op != proxy_fops) {  in full_proxy_open()