SUNRPC: subscribe RPC clients to pipefs notifications
[linux-3.10.git] / net / sunrpc / rpc_pipe.c
index 6dd8b96..910de41 100644 (file)
@@ -937,7 +937,7 @@ struct dentry *rpc_create_client_dir(struct dentry *dentry,
 
 /**
  * rpc_remove_client_dir - Remove a directory created with rpc_create_client_dir()
- * @dentry: directory to remove
+ * @clnt: rpc client
  */
 int rpc_remove_client_dir(struct dentry *dentry)
 {
@@ -1188,17 +1188,24 @@ int register_rpc_pipefs(void)
                                init_once);
        if (!rpc_inode_cachep)
                return -ENOMEM;
+       err = rpc_clients_notifier_register();
+       if (err)
+               goto err_notifier;
        err = register_filesystem(&rpc_pipe_fs_type);
-       if (err) {
-               kmem_cache_destroy(rpc_inode_cachep);
-               return err;
-       }
-
+       if (err)
+               goto err_register;
        return 0;
+
+err_register:
+       rpc_clients_notifier_unregister();
+err_notifier:
+       kmem_cache_destroy(rpc_inode_cachep);
+       return err;
 }
 
 void unregister_rpc_pipefs(void)
 {
+       rpc_clients_notifier_unregister();
        kmem_cache_destroy(rpc_inode_cachep);
        unregister_filesystem(&rpc_pipe_fs_type);
 }