From edddbb1eda61753c886a3c5e159293a7b3a9e30a Mon Sep 17 00:00:00 2001
From: Weston Andros Adamson <dros@netapp.com>
Date: Thu, 28 Feb 2013 20:30:09 -0500
Subject: [PATCH] SUNRPC: add call to get configured timeout
Returns the configured timeout for the xprt of the rpc client.
Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
include/linux/sunrpc/clnt.h | 1 +
net/sunrpc/clnt.c | 15 +++++++++++++++
2 files changed, 16 insertions(+)
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 34206b84d8da..21d52d0dc15c 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -160,6 +160,7 @@ void rpc_setbufsize(struct rpc_clnt *, unsigned int, unsigned int);
int rpc_protocol(struct rpc_clnt *);
struct net * rpc_net_ns(struct rpc_clnt *);
size_t rpc_max_payload(struct rpc_clnt *);
+unsigned long rpc_get_timeout(struct rpc_clnt *clnt);
void rpc_force_rebind(struct rpc_clnt *);
size_t rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
const char *rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index a9f7906c1a6a..09dc0c2b56a3 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1195,6 +1195,21 @@ size_t rpc_max_payload(struct rpc_clnt *clnt)
}
EXPORT_SYMBOL_GPL(rpc_max_payload);
+/**
+ * rpc_get_timeout - Get timeout for transport in tenths of seconds
+ * @clnt: RPC client to query
+ */
+unsigned long rpc_get_timeout(struct rpc_clnt *clnt)
+{
+ unsigned long ret;
+
+ rcu_read_lock();
+ ret = rcu_dereference(clnt->cl_xprt)->timeout->to_initval;
+ rcu_read_unlock();
+ return ret;
+}
+EXPORT_SYMBOL_GPL(rpc_get_timeout);
+
/**
* rpc_force_rebind - force transport to check that remote port is unchanged
* @clnt: client to rebind