commit 3a340251597a5b0c579c31d8caf9aa3b53a77016
Author: David Woodhouse <David.Woodhouse@intel.com>
Date:   Thu Aug 28 11:05:17 2008 -0400

    Use fsid from statfs for UUID if blkid can't cope (or not used)
    
    Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
    Signed-off-by: Steve Dickson <steved@redhat.com>

diff --git a/utils/mountd/cache.c b/utils/mountd/cache.c
index 23e2344..fa15472 100644
--- a/utils/mountd/cache.c
+++ b/utils/mountd/cache.c
@@ -215,8 +215,17 @@ int get_uuid(char *path, char *uuid, int uuidlen, char *u)
 
 	if (path) {
 		val = get_uuid_blkdev(path);
-		if (!val)
-			return 0;
+		if (!val) {
+			struct statfs64 st;
+
+			if (statfs64(path, &st))
+				return 0;
+			if (!st.f_fsid.__val[0] && !st.f_fsid.__val[1])
+				return 0;
+			snprintf(fsid_val, 17, "%08x%08x",
+				 st.f_fsid.__val[0], st.f_fsid.__val[1]);
+			val = fsid_val;
+		}
 	} else {
 		val = uuid;
 	}