From b25694320f2bdd79de82f2003209b8229eafff36 Mon Sep 17 00:00:00 2001
From: Steve Dickson <steved@redhat.com>
Date: Tue, 1 Dec 2009 07:20:43 -0500
Subject: [PATCH] exports: turn on pseudo exports

If a pseudo root is not defined in the export file, the
v4root_needed global variable will be set, signaling
v4root_set() create the dynamic pseudo root.

Signed-off-by: Steve Dickson <steved@redhat.com>
---
 support/export/xtab.c | 6 ++++++
 utils/mountd/auth.c   | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/support/export/xtab.c b/support/export/xtab.c
index 3b1dcce..2a43193 100644
--- a/support/export/xtab.c
+++ b/support/export/xtab.c
@@ -19,7 +19,9 @@
 #include "exportfs.h"
 #include "xio.h"
 #include "xlog.h"
+#include "v4root.h"
 
+int v4root_needed;
 static void cond_rename(char *newfile, char *oldfile);
 
 static int
@@ -36,6 +38,8 @@ xtab_read(char *xtab, char *lockfn, int is_export)
 	if ((lockid = xflock(lockfn, "r")) < 0)
 		return 0;
 	setexportent(xtab, "r");
+	if (is_export == 1)
+		v4root_needed = 1;
 	while ((xp = getexportent(is_export==0, 0)) != NULL) {
 		if (!(exp = export_lookup(xp->e_hostname, xp->e_path, is_export != 1)) &&
 		    !(exp = export_create(xp, is_export!=1))) {
@@ -48,6 +52,8 @@ xtab_read(char *xtab, char *lockfn, int is_export)
 		case 1:
 			exp->m_xtabent = 1;
 			exp->m_mayexport = 1;
+			if ((xp->e_flags & NFSEXP_FSID) && xp->e_fsid == 0)
+				v4root_needed = 0;
 			break;
 		case 2:
 			exp->m_exported = -1;/* may be exported */
diff --git a/utils/mountd/auth.c b/utils/mountd/auth.c
index 5a7ff8c..2ed80bc 100644
--- a/utils/mountd/auth.c
+++ b/utils/mountd/auth.c
@@ -20,6 +20,7 @@
 #include "exportfs.h"
 #include "mountd.h"
 #include "xmalloc.h"
+#include "v4root.h"
 
 enum auth_error
 {
@@ -102,6 +103,8 @@ auth_reload()
 	memset(&my_client, 0, sizeof(my_client));
 	xtab_export_read();
 	check_useipaddr();
+	v4root_set();
+
 	++counter;
 
 	return counter;
-- 
2.39.2