diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index 3c26168..ce29e28 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -18,11 +18,10 @@
 /* type-specific structures for sysfs_dirent->s_* union members */
 struct sysfs_elem_dir {
 	struct kobject		*kobj;
-	/* children list starts here and goes through sd->s_sibling */
-	struct sysfs_dirent	*children;
 
 	unsigned long		subdirs;
 
+	struct rb_root		inode_tree;
 	struct rb_root		name_tree;
 };
 
@@ -61,9 +60,9 @@
 	struct lockdep_map	dep_map;
 #endif
 	struct sysfs_dirent	*s_parent;
-	struct sysfs_dirent	*s_sibling;
 	const char		*s_name;
 
+	struct rb_node		inode_node;
 	struct rb_node		name_node;
 
 	union {