staging: lustre: lnet: klnds: socklnd: Move extern declarations to header

This patch moves extern declarations in socklnd_lib.c to the respective
header file, 'socklnd.h'.

This patch also removes extern keyword from function declarations
since functions have the extern specifier by default.

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Acked-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
index b349847..f4fa725 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
@@ -679,6 +679,9 @@
 int ksocknal_lib_get_conn_tunables(ksock_conn_t *conn, int *txmem,
 				   int *rxmem, int *nagle);
 
+void ksocknal_read_callback(ksock_conn_t *conn);
+void ksocknal_write_callback(ksock_conn_t *conn);
+
 int ksocknal_tunables_init(void);
 
 void ksocknal_lib_csum_tx(ksock_tx_t *tx);
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
index 679785b..04a4653 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
@@ -580,8 +580,6 @@
 	ksocknal_connsock_decref(conn);
 }
 
-extern void ksocknal_read_callback(ksock_conn_t *conn);
-extern void ksocknal_write_callback(ksock_conn_t *conn);
 /*
  * socket call back in Linux
  */