2 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9b8b696d4f15..e5a8db00df29 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -674,6 +674,7 @@ struct file_lock {
         struct lock_manager_operations *fl_lmops;       /* Callbacks for lockmanagers */
         union {
                 struct nfs_lock_info    nfs_fl;
+                struct nfs4_lock_info   nfs4_fl;
         } fl_u;
 };
 
diff --git a/include/linux/nfs_fs_i.h b/include/linux/nfs_fs_i.h
index e9a749588a7b..e2c18dabff86 100644
--- a/include/linux/nfs_fs_i.h
+++ b/include/linux/nfs_fs_i.h
@@ -16,6 +16,11 @@ struct nfs_lock_info {
         struct nlm_lockowner *owner;
 };
 
+struct nfs4_lock_state;
+struct nfs4_lock_info {
+        struct nfs4_lock_state *owner;
+};
+
 /*
  * Lock flag values
  */