SUNRPC: rearrange RPC sockets definitions

To prepare for including non-sockets-based RPC transports, move the
sockets-dependent definitions into their own file.

Signed-off-by: Tom Talpey <tmt@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

4 files changed, 42 insertions, 23 deletions

diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 6992ff02d737..d7b8fcd312cc 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -19,25 +19,11 @@
 
 #ifdef __KERNEL__
 
-extern unsigned int xprt_udp_slot_table_entries;
-extern unsigned int xprt_tcp_slot_table_entries;
-
 #define RPC_MIN_SLOT_TABLE      (2U)
 #define RPC_DEF_SLOT_TABLE      (16U)
 #define RPC_MAX_SLOT_TABLE      (128U)
 
 /*
- * Parameters for choosing a free port
- */
-extern unsigned int xprt_min_resvport;
-extern unsigned int xprt_max_resvport;
-
-#define RPC_MIN_RESVPORT        (1U)
-#define RPC_MAX_RESVPORT        (65535U)
-#define RPC_DEF_MIN_RESVPORT    (665U)
-#define RPC_DEF_MAX_RESVPORT    (1023U)
-
-/*
  * This describes a timeout strategy
  */
 struct rpc_timeout {
@@ -263,14 +249,6 @@ void			xprt_release_rqst_cong(struct rpc_task *task);
 void                    xprt_disconnect(struct rpc_xprt *xprt);
 
 /*
- * Socket transport setup operations
- */
-struct rpc_xprt         *xs_setup_udp(struct xprt_create *args);
-struct rpc_xprt         *xs_setup_tcp(struct xprt_create *args);
-int                     init_socket_xprt(void);
-void                    cleanup_socket_xprt(void);
-
-/*
  * Reserved bit positions in xprt->state
  */
 #define XPRT_LOCKED             (0)
diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
new file mode 100644
index 000000000000..9bde77061e4f
--- /dev/null
+++ b/include/linux/sunrpc/xprtsock.h
@@ -0,0 +1,40 @@
+/*
+ *  linux/include/linux/sunrpc/xprtsock.h
+ *
+ *  Declarations for the RPC transport socket provider.
+ */
+
+#ifndef _LINUX_SUNRPC_XPRTSOCK_H
+#define _LINUX_SUNRPC_XPRTSOCK_H
+
+#ifdef __KERNEL__
+
+/*
+ * Socket transport setup operations
+ */
+struct rpc_xprt *xs_setup_udp(struct xprt_create *args);
+struct rpc_xprt *xs_setup_tcp(struct xprt_create *args);
+
+int             init_socket_xprt(void);
+void            cleanup_socket_xprt(void);
+
+/*
+ * RPC slot table sizes for UDP, TCP transports
+ */
+extern unsigned int xprt_udp_slot_table_entries;
+extern unsigned int xprt_tcp_slot_table_entries;
+
+/*
+ * Parameters for choosing a free port
+ */
+extern unsigned int xprt_min_resvport;
+extern unsigned int xprt_max_resvport;
+
+#define RPC_MIN_RESVPORT        (1U)
+#define RPC_MAX_RESVPORT        (65535U)
+#define RPC_DEF_MIN_RESVPORT    (665U)
+#define RPC_DEF_MAX_RESVPORT    (1023U)
+
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_SUNRPC_XPRTSOCK_H */
diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index 384c4ad5ab86..33d89e842c85 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -20,7 +20,7 @@
 #include <linux/sunrpc/auth.h>
 #include <linux/workqueue.h>
 #include <linux/sunrpc/rpc_pipe_fs.h>
-
+#include <linux/sunrpc/xprtsock.h>
 
 /* RPC scheduler */
 EXPORT_SYMBOL(rpc_execute);
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 4f1a57b28a49..192a06e3b8c5 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -32,6 +32,7 @@
 #include <linux/tcp.h>
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/sched.h>
+#include <linux/sunrpc/xprtsock.h>
 #include <linux/file.h>
 
 #include <net/sock.h>