46 static int proc_match(const char *name, struct proc_dir_entry *de, unsigned int len)  in proc_match()  argument
48 	if (len < de->namelen)  in proc_match()
50 	if (len > de->namelen)  in proc_match()
53 	return memcmp(name, de->name, len);  in proc_match()
75 		struct proc_dir_entry *de = rb_entry(node,  in pde_subdir_find()  local
78 		int result = proc_match(name, de, len);  in pde_subdir_find()
85 			return de;  in pde_subdir_find()
91 			      struct proc_dir_entry *de)  in pde_subdir_insert()  argument
101 		int result = proc_match(de->name, this, de->namelen);  in pde_subdir_insert()
113 	rb_link_node(&de->subdir_node, parent, new);  in pde_subdir_insert()
114 	rb_insert_color(&de->subdir_node, root);  in pde_subdir_insert()
122 	struct proc_dir_entry *de = PDE(inode);  in proc_notify_change()  local
132 	proc_set_user(de, inode->i_uid, inode->i_gid);  in proc_notify_change()
133 	de->mode = inode->i_mode;  in proc_notify_change()
142 	struct proc_dir_entry *de = PDE(inode);  in proc_getattr()  local
143 	if (de) {  in proc_getattr()
144 		nlink_t nlink = READ_ONCE(de->nlink);  in proc_getattr()
167 	struct proc_dir_entry	*de;  in __xlate_proc_name()  local
169 	de = *ret ?: &proc_root;  in __xlate_proc_name()
171 		de = pde_subdir_find(de, cp, next - cp);  in __xlate_proc_name()
172 		if (!de) {  in __xlate_proc_name()
179 	*ret = de;  in __xlate_proc_name()
245 			      struct proc_dir_entry *de)  in proc_lookup_de()  argument
250 	de = pde_subdir_find(de, dentry->d_name.name, dentry->d_name.len);  in proc_lookup_de()
251 	if (de) {  in proc_lookup_de()
252 		pde_get(de);  in proc_lookup_de()
254 		inode = proc_get_inode(dir->i_sb, de);  in proc_lookup_de()
257 		d_set_d_op(dentry, de->proc_dops);  in proc_lookup_de()
285 		    struct proc_dir_entry *de)  in proc_readdir_de()  argument
294 	de = pde_subdir_first(de);  in proc_readdir_de()
296 		if (!de) {  in proc_readdir_de()
302 		de = pde_subdir_next(de);  in proc_readdir_de()
308 		pde_get(de);  in proc_readdir_de()
310 		if (!dir_emit(ctx, de->name, de->namelen,  in proc_readdir_de()
311 			    de->low_ino, de->mode >> 12)) {  in proc_readdir_de()
312 			pde_put(de);  in proc_readdir_de()
317 		next = pde_subdir_next(de);  in proc_readdir_de()
318 		pde_put(de);  in proc_readdir_de()
319 		de = next;  in proc_readdir_de()
320 	} while (de);  in proc_readdir_de()
592 	struct proc_dir_entry *de = PDE(inode);  in proc_seq_open()  local
594 	if (de->state_size)  in proc_seq_open()
595 		return seq_open_private(file, de->seq_ops, de->state_size);  in proc_seq_open()
596 	return seq_open(file, de->seq_ops);  in proc_seq_open()
601 	struct proc_dir_entry *de = PDE(inode);  in proc_seq_release()  local
603 	if (de->state_size)  in proc_seq_release()
634 	struct proc_dir_entry *de = PDE(inode);  in proc_single_open()  local
636 	return single_open(file, de->single_show, de->data);  in proc_single_open()
662 void proc_set_size(struct proc_dir_entry *de, loff_t size)  in proc_set_size()  argument
664 	de->size = size;  in proc_set_size()
668 void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid)  in proc_set_user()  argument
670 	de->uid = uid;  in proc_set_user()
671 	de->gid = gid;  in proc_set_user()
688 	struct proc_dir_entry *de = NULL;  in remove_proc_entry()  local
699 	de = pde_subdir_find(parent, fn, len);  in remove_proc_entry()
700 	if (de) {  in remove_proc_entry()
701 		if (unlikely(pde_is_permanent(de))) {  in remove_proc_entry()
702 			WARN(1, "removing permanent /proc entry '%s'", de->name);  in remove_proc_entry()
703 			de = NULL;  in remove_proc_entry()
705 			rb_erase(&de->subdir_node, &parent->subdir);  in remove_proc_entry()
706 			if (S_ISDIR(de->mode))  in remove_proc_entry()
711 	if (!de) {  in remove_proc_entry()
716 	proc_entry_rundown(de);  in remove_proc_entry()
718 	WARN(pde_subdir_first(de),  in remove_proc_entry()
720 	     __func__, de->parent->name, de->name, pde_subdir_first(de)->name);  in remove_proc_entry()
721 	pde_put(de);  in remove_proc_entry()
727 	struct proc_dir_entry *root = NULL, *de, *next;  in remove_proc_subtree()  local
751 	de = root;  in remove_proc_subtree()
753 		next = pde_subdir_first(de);  in remove_proc_subtree()
761 			rb_erase(&next->subdir_node, &de->subdir);  in remove_proc_subtree()
762 			de = next;  in remove_proc_subtree()
765 		next = de->parent;  in remove_proc_subtree()
766 		if (S_ISDIR(de->mode))  in remove_proc_subtree()
770 		proc_entry_rundown(de);  in remove_proc_subtree()
771 		if (de == root)  in remove_proc_subtree()
773 		pde_put(de);  in remove_proc_subtree()
776 		de = next;  in remove_proc_subtree()
785 	struct proc_dir_entry *de = PDE(inode);  in proc_get_parent_data()  local
786 	return de->parent->data;  in proc_get_parent_data()
790 void proc_remove(struct proc_dir_entry *de)  in proc_remove()  argument
792 	if (de)  in proc_remove()
793 		remove_proc_subtree(de->name, de->parent);  in proc_remove()