--- zzzz-none-000/linux-3.10.107/fs/nfs/netns.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/nfs/netns.h	2021-02-04 17:41:59.000000000 +0000
@@ -19,6 +19,7 @@
 	struct rpc_pipe *bl_device_pipe;
 	struct bl_dev_msg bl_mount_reply;
 	wait_queue_head_t bl_wq;
+	struct mutex bl_mutex;
 	struct list_head nfs_client_list;
 	struct list_head nfs_volume_list;
 #if IS_ENABLED(CONFIG_NFS_V4)
@@ -29,6 +30,9 @@
 #endif
 	spinlock_t nfs_client_lock;
 	struct timespec boot_time;
+#ifdef CONFIG_PROC_FS
+	struct proc_dir_entry *proc_nfsfs;
+#endif
 };
 
 extern int nfs_net_id;