diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index e225a12..f6d0731 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -40,6 +40,7 @@
 struct inode *nfs_delegation_find_inode(struct nfs_client *clp, const struct nfs_fh *fhandle);
 void nfs_super_return_all_delegations(struct super_block *sb);
 void nfs_expire_all_delegations(struct nfs_client *clp);
+void nfs_expire_all_delegation_types(struct nfs_client *clp, fmode_t flags);
 void nfs_expire_unreferenced_delegations(struct nfs_client *clp);
 void nfs_handle_cb_pathdown(struct nfs_client *clp);
 int nfs_client_return_marked_delegations(struct nfs_client *clp);