diff --git a/include/linux/nfs_idmap.h b/include/linux/nfs_idmap.h
index e8352dc..ae7d6a3 100644
--- a/include/linux/nfs_idmap.h
+++ b/include/linux/nfs_idmap.h
@@ -65,6 +65,7 @@
 
 /* Forward declaration to make this header independent of others */
 struct nfs_client;
+struct nfs_server;
 
 #ifdef CONFIG_NFS_USE_NEW_IDMAPPER
 
@@ -96,10 +97,10 @@
 
 #endif /* CONFIG_NFS_USE_NEW_IDMAPPER */
 
-int nfs_map_name_to_uid(struct nfs_client *, const char *, size_t, __u32 *);
-int nfs_map_group_to_gid(struct nfs_client *, const char *, size_t, __u32 *);
-int nfs_map_uid_to_name(struct nfs_client *, __u32, char *, size_t);
-int nfs_map_gid_to_group(struct nfs_client *, __u32, char *, size_t);
+int nfs_map_name_to_uid(const struct nfs_server *, const char *, size_t, __u32 *);
+int nfs_map_group_to_gid(const struct nfs_server *, const char *, size_t, __u32 *);
+int nfs_map_uid_to_name(const struct nfs_server *, __u32, char *, size_t);
+int nfs_map_gid_to_group(const struct nfs_server *, __u32, char *, size_t);
 
 extern unsigned int nfs_idmap_cache_timeout;
 #endif /* __KERNEL__ */