orangefs: Account for jiffies wraparound.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
diff --git a/fs/orangefs/orangefs-utils.c b/fs/orangefs/orangefs-utils.c
index cd512a3..d13c729 100644
--- a/fs/orangefs/orangefs-utils.c
+++ b/fs/orangefs/orangefs-utils.c
@@ -262,7 +262,7 @@
 	    get_khandle_from_ino(inode));
 
 	if (!new && !bypass) {
-		if (orangefs_inode->getattr_time > jiffies)
+		if (time_before(jiffies, orangefs_inode->getattr_time))
 			return 0;
 	}
 
@@ -421,7 +421,7 @@
 		ClearMtimeFlag(orangefs_inode);
 		ClearCtimeFlag(orangefs_inode);
 		ClearModeFlag(orangefs_inode);
-		orangefs_inode->getattr_time = 0;
+		orangefs_inode->getattr_time = jiffies - 1;
 	}
 
 	return ret;