1 files changed, 5 insertions, 0 deletions

diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h
index 8be13b2a079b..dc84a3ef9ca2 100644
--- a/fs/kernfs/kernfs-internal.h
+++ b/fs/kernfs/kernfs-internal.h
@@ -49,6 +49,8 @@ static inline struct kernfs_root *kernfs_root(struct kernfs_node *kn)
  * mount.c
  */
 struct kernfs_super_info {
+        struct super_block      *sb;
+
         /*
          * The root associated with this super_block.  Each super_block is
          * identified by the root and ns it's associated with.
@@ -62,6 +64,9 @@ struct kernfs_super_info {
          * an array and compare kernfs_node tag against every entry.
          */
         const void              *ns;
+
+        /* anchored at kernfs_root->supers, protected by kernfs_mutex */
+        struct list_head        node;
 };
 #define kernfs_info(SB) ((struct kernfs_super_info *)(SB->s_fs_info))