1 files changed, 40 insertions, 0 deletions

diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 5b0fe1b66a23..3ee4b78742b1 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -429,6 +429,46 @@ out:
 }
 
 /*
+ * Report socket names for nfsdfs
+ */
+static int one_sock_name(char *buf, struct svc_sock *svsk)
+{
+        int len;
+
+        switch(svsk->sk_sk->sk_family) {
+        case AF_INET:
+                len = sprintf(buf, "ipv4 %s %u.%u.%u.%u %d\n",
+                              svsk->sk_sk->sk_protocol==IPPROTO_UDP?
+                              "udp" : "tcp",
+                              NIPQUAD(inet_sk(svsk->sk_sk)->rcv_saddr),
+                              inet_sk(svsk->sk_sk)->num);
+                break;
+        default:
+                len = sprintf(buf, "*unknown-%d*\n",
+                               svsk->sk_sk->sk_family);
+        }
+        return len;
+}
+
+int
+svc_sock_names(char *buf, struct svc_serv *serv)
+{
+        struct svc_sock *svsk;
+        int len = 0;
+
+        if (!serv)
+                return 0;
+        spin_lock(&serv->sv_lock);
+        list_for_each_entry(svsk, &serv->sv_permsocks, sk_list) {
+                int onelen = one_sock_name(buf+len, svsk);
+                len += onelen;
+        }
+        spin_unlock(&serv->sv_lock);
+        return len;
+}
+EXPORT_SYMBOL(svc_sock_names);
+
+/*
  * Check input queue length
  */
 static int