3 files changed, 18 insertions, 4 deletions

diff --git a/include/linux/sunrpc/metrics.h b/include/linux/sunrpc/metrics.h
index 8f96e9d..77f78e5 100644
--- a/include/linux/sunrpc/metrics.h
+++ b/include/linux/sunrpc/metrics.h
@@ -69,9 +69,21 @@ struct rpc_clnt;
 /*
  * EXPORTed functions for managing rpc_iostats structures
  */
+
+#ifdef CONFIG_PROC_FS
+
 struct rpc_iostats *	rpc_alloc_iostats(struct rpc_clnt *);
 void			rpc_count_iostats(struct rpc_task *);
 void			rpc_print_iostats(struct seq_file *, struct rpc_clnt *);
 void			rpc_free_iostats(struct rpc_iostats *);
 
+#else  /*  CONFIG_PROC_FS  */
+
+static inline struct rpc_iostats *rpc_alloc_iostats(struct rpc_clnt *clnt) { return NULL; }
+static inline void rpc_count_iostats(struct rpc_task *task) {}
+static inline void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt) {}
+static inline void rpc_free_iostats(struct rpc_iostats *stats) {}
+
+#endif  /*  CONFIG_PROC_FS  */
+
 #endif /* _LINUX_SUNRPC_METRICS_H */
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 50cab2a..5035643 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -197,15 +197,16 @@ svc_take_res_page(struct svc_rqst *rqstp)
 	return rqstp->rq_respages[rqstp->rq_resused++];
 }
 
-static inline int svc_take_page(struct svc_rqst *rqstp)
+static inline void svc_take_page(struct svc_rqst *rqstp)
 {
-	if (rqstp->rq_arghi <= rqstp->rq_argused)
-		return -ENOMEM;
+	if (rqstp->rq_arghi <= rqstp->rq_argused) {
+		WARN_ON(1);
+		return;
+	}
 	rqstp->rq_arghi--;
 	rqstp->rq_respages[rqstp->rq_resused] =
 		rqstp->rq_argpages[rqstp->rq_arghi];
 	rqstp->rq_resused++;
-	return 0;
 }
 
 static inline void svc_pushback_allpages(struct svc_rqst *rqstp)
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 7eebbab..e8bbe81 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -53,6 +53,7 @@ struct rpc_timeout {
 
 struct rpc_task;
 struct rpc_xprt;
+struct seq_file;
 
 /*
  * This describes a complete RPC request