NFS: nfs_mark_for_revalidate don't update cache_change_attribute

Just let the subsequent inode revalidation do the update...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

include/linux/nfs_fs.h

@@ -235,10 +235,8 @@ static inline void nfs_mark_for_revalidate(struct inode *inode)
 
 	spin_lock(&inode->i_lock);
 	nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS;
-	if (S_ISDIR(inode->i_mode)) {
+	if (S_ISDIR(inode->i_mode))
 		nfsi->cache_validity |= NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA;
-		nfsi->cache_change_attribute = jiffies;
-	}
 	spin_unlock(&inode->i_lock);
 }