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
131 	proc_set_user(de, inode->i_uid, inode->i_gid);  in proc_notify_change()
132 	de->mode = inode->i_mode;  in proc_notify_change()
141 	struct proc_dir_entry *de = PDE(inode);  in proc_getattr()  local
142 	if (de) {  in proc_getattr()
143 		nlink_t nlink = READ_ONCE(de->nlink);  in proc_getattr()
166 	struct proc_dir_entry	*de;  in __xlate_proc_name()  local
168 	de = *ret ?: &proc_root;  in __xlate_proc_name()
170 		de = pde_subdir_find(de, cp, next - cp);  in __xlate_proc_name()
171 		if (!de) {  in __xlate_proc_name()
178 	*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()
593 	struct proc_dir_entry *de = PDE(inode);  in proc_seq_open()  local
595 	if (de->state_size)  in proc_seq_open()
596 		return seq_open_private(file, de->seq_ops, de->state_size);  in proc_seq_open()
597 	return seq_open(file, de->seq_ops);  in proc_seq_open()
602 	struct proc_dir_entry *de = PDE(inode);  in proc_seq_release()  local
604 	if (de->state_size)  in proc_seq_release()
635 	struct proc_dir_entry *de = PDE(inode);  in proc_single_open()  local
637 	return single_open(file, de->single_show, de->data);  in proc_single_open()
663 void proc_set_size(struct proc_dir_entry *de, loff_t size)  in proc_set_size()  argument
665 	de->size = size;  in proc_set_size()
669 void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid)  in proc_set_user()  argument
671 	de->uid = uid;  in proc_set_user()
672 	de->gid = gid;  in proc_set_user()
689 	struct proc_dir_entry *de = NULL;  in remove_proc_entry()  local
700 	de = pde_subdir_find(parent, fn, len);  in remove_proc_entry()
701 	if (de) {  in remove_proc_entry()
702 		if (unlikely(pde_is_permanent(de))) {  in remove_proc_entry()
703 			WARN(1, "removing permanent /proc entry '%s'", de->name);  in remove_proc_entry()
704 			de = NULL;  in remove_proc_entry()
706 			rb_erase(&de->subdir_node, &parent->subdir);  in remove_proc_entry()
707 			if (S_ISDIR(de->mode))  in remove_proc_entry()
712 	if (!de) {  in remove_proc_entry()
717 	proc_entry_rundown(de);  in remove_proc_entry()
719 	WARN(pde_subdir_first(de),  in remove_proc_entry()
721 	     __func__, de->parent->name, de->name, pde_subdir_first(de)->name);  in remove_proc_entry()
722 	pde_put(de);  in remove_proc_entry()
728 	struct proc_dir_entry *root = NULL, *de, *next;  in remove_proc_subtree()  local
752 	de = root;  in remove_proc_subtree()
754 		next = pde_subdir_first(de);  in remove_proc_subtree()
762 			rb_erase(&next->subdir_node, &de->subdir);  in remove_proc_subtree()
763 			de = next;  in remove_proc_subtree()
766 		next = de->parent;  in remove_proc_subtree()
767 		if (S_ISDIR(de->mode))  in remove_proc_subtree()
771 		proc_entry_rundown(de);  in remove_proc_subtree()
772 		if (de == root)  in remove_proc_subtree()
774 		pde_put(de);  in remove_proc_subtree()
777 		de = next;  in remove_proc_subtree()
786 	struct proc_dir_entry *de = PDE(inode);  in proc_get_parent_data()  local
787 	return de->parent->data;  in proc_get_parent_data()
791 void proc_remove(struct proc_dir_entry *de)  in proc_remove()  argument
793 	if (de)  in proc_remove()
794 		remove_proc_subtree(de->name, de->parent);  in proc_remove()