From 1275be70ca6cd6c4bec07a3381f7b510086c5526 Mon Sep 17 00:00:00 2001
From: neilbrown <neilbrown>
Date: Wed, 21 May 2003 06:25:15 +0000
Subject: Support new kernel upcalls for export cache management.

---
 support/nfs/cacheio.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'support/nfs/cacheio.c')

diff --git a/support/nfs/cacheio.c b/support/nfs/cacheio.c
index 960d801..2af4fa3 100644
--- a/support/nfs/cacheio.c
+++ b/support/nfs/cacheio.c
@@ -19,6 +19,10 @@
 #include <stdio.h>
 #include <ctype.h>
 #include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <time.h>
 
 void qword_add(char **bpp, int *lp, char *str)
 {
@@ -214,3 +218,15 @@ int readline(int fd, char **buf, int *lenp)
 	return 1;
 }
 
+
+/* Check if we should use the new caching interface
+ * This succeeds iff the "nfsd" filesystem is mounted on
+ * /proc/fs/nfs
+ */
+int
+check_new_cache(void)
+{
+	struct stat stb;
+	return (stat("/proc/fs/nfs/filehandle", &stb) == 0);
+}	
+
-- 
cgit