1 files changed, 126 insertions, 0 deletions
diff --git a/main/nfs-utils/0001-statd-exit-if-a-statd-is-already-running.patch b/main/nfs-utils/0001-statd-exit-if-a-statd-is-already-running.patch
new file mode 100644
index 0000000000..4e8be2fd43
--- /dev/null
+++ b/main/nfs-utils/0001-statd-exit-if-a-statd-is-already-running.patch
@@ -0,0 +1,126 @@
+From 342446a4a624d4ee8254af859bb7f1de6d268679 Mon Sep 17 00:00:00 2001
+From: Weston Andros Adamson <dros@netapp.com>
+Date: Tue, 7 May 2013 11:25:29 -0400
+Subject: [PATCH] statd: exit if a statd is already running
+
+Moves nfs_probe_statd from mount to nfs support lib to share with statd.
+
+Acked-by: Chuck Lever <chuck.lever@oracle.com>
+Signed-off-by: Weston Andros Adamson <dros@netapp.com>
+Signed-off-by: Steve Dickson <steved@redhat.com>
+---
+ support/include/nfsrpc.h |  5 +++++
+ support/nfs/getport.c    | 22 ++++++++++++++++++++++
+ utils/mount/network.c    | 17 -----------------
+ utils/statd/statd.c      |  7 +++++++
+ 4 files changed, 34 insertions(+), 17 deletions(-)
+
+diff --git a/support/include/nfsrpc.h b/support/include/nfsrpc.h
+index a0b80e1..1bfae7a 100644
+--- a/support/include/nfsrpc.h
++++ b/support/include/nfsrpc.h
+@@ -156,6 +156,11 @@ extern unsigned long	nfs_pmap_getport(const struct sockaddr_in *,
+ 				const struct timeval *);
+ 
+ /*
++ * Use nfs_pmap_getport to see if statd is running locally
++ */
++extern int nfs_probe_statd(void);
++
++/*
+  * Contact a remote RPC service to discover whether it is responding
+  * to requests.
+  */
+diff --git a/support/nfs/getport.c b/support/nfs/getport.c
+index 3331ad4..081594c 100644
+--- a/support/nfs/getport.c
++++ b/support/nfs/getport.c
+@@ -1102,3 +1102,25 @@ unsigned long nfs_pmap_getport(const struct sockaddr_in *sin,
+ 
+ 	return port;
+ }
++
++static const char *nfs_ns_pgmtbl[] = {
++        "status",
++        NULL,
++};
++
++/*
++ * nfs_probe_statd - use nfs_pmap_getport to see if statd is running locally
++ *
++ * Returns non-zero if statd is running locally.
++ */
++int nfs_probe_statd(void)
++{
++        struct sockaddr_in addr = {
++                .sin_family             = AF_INET,
++                .sin_addr.s_addr        = htonl(INADDR_LOOPBACK),
++        };
++        rpcprog_t program = nfs_getrpcbyname(NSMPROG, nfs_ns_pgmtbl);
++
++        return nfs_getport_ping((struct sockaddr *)(char *)&addr, sizeof(addr),
++                                program, (rpcvers_t)1, IPPROTO_UDP);
++}
+diff --git a/utils/mount/network.c b/utils/mount/network.c
+index 4be48cd..e2cdcaf 100644
+--- a/utils/mount/network.c
++++ b/utils/mount/network.c
+@@ -65,11 +65,6 @@ extern int nfs_mount_data_version;
+ extern char *progname;
+ extern int verbose;
+ 
+-static const char *nfs_ns_pgmtbl[] = {
+-	"status",
+-	NULL,
+-};
+-
+ static const char *nfs_mnt_pgmtbl[] = {
+ 	"mount",
+ 	"mountd",
+@@ -761,18 +756,6 @@ int probe_bothports(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server)
+ 					&nfs_server->pmap);
+ }
+ 
+-static int nfs_probe_statd(void)
+-{
+-	struct sockaddr_in addr = {
+-		.sin_family		= AF_INET,
+-		.sin_addr.s_addr	= htonl(INADDR_LOOPBACK),
+-	};
+-	rpcprog_t program = nfs_getrpcbyname(NSMPROG, nfs_ns_pgmtbl);
+-
+-	return nfs_getport_ping(SAFE_SOCKADDR(&addr), sizeof(addr),
+-				program, (rpcvers_t)1, IPPROTO_UDP);
+-}
+-
+ /**
+  * start_statd - attempt to start rpc.statd
+  *
+diff --git a/utils/statd/statd.c b/utils/statd/statd.c
+index 652546c..8c51bcc 100644
+--- a/utils/statd/statd.c
++++ b/utils/statd/statd.c
+@@ -28,6 +28,7 @@
+ 
+ #include "statd.h"
+ #include "nfslib.h"
++#include "nfsrpc.h"
+ #include "nsm.h"
+ 
+ /* Socket operations */
+@@ -237,6 +238,12 @@ int main (int argc, char **argv)
+ 	/* Set hostname */
+ 	MY_NAME = NULL;
+ 
++	/* Refuse to start if another statd is running */
++	if (nfs_probe_statd()) {
++		fprintf(stderr, "Statd service already running!\n");
++		exit(1);
++	}
++
+ 	/* Process command line switches */
+ 	while ((arg = getopt_long(argc, argv, "h?vVFNH:dn:p:o:P:L", longopts, NULL)) != EOF) {
+ 		switch (arg) {
+-- 
+1.8.3.2
+