staging/lustre/lnet: Make lnet_ping static

It's not used anywhere outside of api-ni.c anyway.
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/include/linux/lnet/lib-lnet.h

@@ -662,8 +662,6 @@ void lnet_swap_pinginfo(lnet_ping_info_t *info);
 
 int lnet_ping_target_init(void);
 void lnet_ping_target_fini(void);
-int lnet_ping(lnet_process_id_t id, int timeout_ms,
-	      lnet_process_id_t *ids, int n_ids);
 
 int lnet_parse_ip2nets(char **networksp, char *ip2nets);
 int lnet_parse_routes(char *route_str, int *im_a_router);

drivers/staging/lustre/lnet/lnet/api-ni.c

@@ -61,6 +61,9 @@ static int rnet_htable_size = LNET_REMOTE_NETS_HASH_DEFAULT;
 module_param(rnet_htable_size, int, 0444);
 MODULE_PARM_DESC(rnet_htable_size, "size of remote network hash table");
 
+static int lnet_ping(lnet_process_id_t id, int timeout_ms,
+		     lnet_process_id_t *ids, int n_ids);
+
 static char *
 lnet_get_routes(void)
 {
@@ -1672,8 +1675,8 @@ lnet_ping_target_fini(void)
 	cfs_restore_sigs(blocked);
 }
 
-int
-lnet_ping(lnet_process_id_t id, int timeout_ms, lnet_process_id_t *ids, int n_ids)
+static int lnet_ping(lnet_process_id_t id, int timeout_ms,
+		     lnet_process_id_t *ids, int n_ids)
 {
 	lnet_handle_eq_t eqh;
 	lnet_handle_md_t mdh;