1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 52bf5677db0b..30faf797c2c3 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -91,6 +91,7 @@ struct kernfs_elem_attr {
 	const struct kernfs_ops	*ops;
 	struct kernfs_open_node	*open;
 	loff_t			size;
+	struct kernfs_node	*notify_next;	/* for kernfs_notify() */
 };
 
 /*
@@ -161,6 +162,10 @@ struct kernfs_root {
 	/* private fields, do not use outside kernfs proper */
 	struct ida		ino_ida;
 	struct kernfs_syscall_ops *syscall_ops;
+
+	/* list of kernfs_super_info of this root, protected by kernfs_mutex */
+	struct list_head	supers;
+
 	wait_queue_head_t	deactivate_waitq;
 };
 
@@ -300,6 +305,7 @@ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags,
 			       struct kernfs_root *root, unsigned long magic,
 			       bool *new_sb_created, const void *ns);
 void kernfs_kill_sb(struct super_block *sb);
+struct super_block *kernfs_pin_sb(struct kernfs_root *root, const void *ns);
 
 void kernfs_init(void);