From 1af166179c3f28fa9943f7844e03032f3bdae7ea Mon Sep 17 00:00:00 2001
From: Steve Dickson <steved@redhat.com>
Date: Tue, 27 Oct 2009 15:47:27 -0400
Subject: [PATCH] Added wrappers around the setting of default values from the
 config file which will be compiled out when the config file is not enabled.

Signed-off-by: Steve Dickson <steved@redhat.com>
---
 support/include/conffile.h |  5 -----
 utils/mount/network.c      | 31 +++++++++++++++++++++++--------
 utils/mount/stropts.c      | 29 ++++++++++++++++++++++-------
 3 files changed, 45 insertions(+), 20 deletions(-)

diff --git a/support/include/conffile.h b/support/include/conffile.h
index fe23ec2..ce7aa21 100644
--- a/support/include/conffile.h
+++ b/support/include/conffile.h
@@ -76,10 +76,5 @@ static inline void upper2lower(char *str)
 		*str++ = c;
 }
 
-/*
- * Default Mount options
- */
-extern unsigned long config_default_vers;
-extern unsigned long config_default_proto;
 
 #endif				/* _CONFFILE_H_ */
diff --git a/utils/mount/network.c b/utils/mount/network.c
index e651167..d4ecbc9 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -172,6 +172,27 @@ static const unsigned long probe_mnt3_first[] = {
 	0,
 };
 
+inline const unsigned int *set_default_proto(void);
+#ifdef MOUNT_CONFIG
+inline const unsigned int *set_default_proto()
+{
+	extern unsigned long config_default_proto;
+	/*
+	 * If the default proto has been set and 
+	 * its not TCP, start with UDP
+	 */
+	if (config_default_proto && config_default_proto != IPPROTO_TCP)
+		return probe_udp_first;
+
+	return probe_tcp_first; 
+}
+#else
+inline const unsigned int *set_default_proto() 
+{
+	return probe_tcp_first; 
+}
+#endif /* MOUNT_CONFIG */
+
 static int nfs_lookup(const char *hostname, const sa_family_t family,
 		      struct sockaddr *sap, socklen_t *salen)
 {
@@ -590,7 +611,6 @@ out_ok:
 	nfs_clear_rpc_createerr();
 	return 1;
 }
-
 /*
  * Probe a server's NFS service to determine which versions and
  * transport protocols are supported.
@@ -611,14 +631,9 @@ static int nfs_probe_nfsport(const struct sockaddr *sap, const socklen_t salen,
 		return 1;
 
 	if (nfs_mount_data_version >= 4) {
-		const unsigned int *probe_proto = probe_tcp_first;
+		const unsigned int *probe_proto;
 
-		/*
-		 * If the default proto has been set and 
-		 * its not TCP, start with UDP
-		 */
-		if (config_default_proto && config_default_proto != IPPROTO_TCP)
-			probe_proto =  probe_udp_first;
+		probe_proto = set_default_proto();
 
 		return nfs_probe_port(sap, salen, pmap,
 					probe_nfs3_first, probe_proto);
diff --git a/utils/mount/stropts.c b/utils/mount/stropts.c
index ceefdb0..7b63b45 100644
--- a/utils/mount/stropts.c
+++ b/utils/mount/stropts.c
@@ -93,6 +93,24 @@ struct nfsmount_info {
 				child;		/* forked bg child? */
 };
 
+inline void set_default_version(struct nfsmount_info *mi);
+#ifdef MOUNT_CONFIG
+inline void set_default_version(struct nfsmount_info *mi)
+{
+	extern unsigned long config_default_vers;
+	/*
+	 * Use the default value set in the config file when
+	 * the version has not been explicitly set.
+	 */
+	if (mi->version == 0 && config_default_vers) {
+		if (config_default_vers < 4)
+			mi->version = config_default_vers;
+	}
+}
+#else
+inline void set_default_version(struct nfsmount_info *mi) {}
+#endif /* MOUNT_CONFIG */
+
 /*
  * Obtain a retry timeout value based on the value of the "retry=" option.
  *
@@ -258,7 +276,6 @@ static int nfs_append_sloppy_option(struct mount_options *options)
 		return 0;
 	return 1;
 }
-
 /*
  * Set up mandatory non-version specific NFS mount options.
  *
@@ -284,14 +301,12 @@ static int nfs_validate_options(struct nfsmount_info *mi)
 		if (option && strcmp(option, "rdma") == 0)
 			mi->version = 3;
 	}
+
 	/*
-	 * Use the default value set in the config file when
-	 * the version has not been explicitly set.
+	 * If enabled, see if the default version was
+	 * set in the config file
 	 */
-	if (mi->version == 0 && config_default_vers) {
-		if (config_default_vers < 4)
-			mi->version = config_default_vers;
-	}
+	set_default_version(mi);
 
 	if (!nfs_append_sloppy_option(mi->options))
 		return 0;
-- 
2.39.2