NFS: nfs_post_op_update_inode don't update cache_change_attribute

If nfs_post_op_update_inode fails because the server didn't return any
attributes, then we let the subsequent inode revalidation update
cache_change_attribute.
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>

fs/nfs/inode.c

@@ -912,18 +912,14 @@ int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr)
 int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 {
 	struct nfs_inode *nfsi = NFS_I(inode);
-	int status = 0;
 
-	if (unlikely((fattr->valid & NFS_ATTR_FATTR) == 0)) {
-		spin_lock(&inode->i_lock);
-		nfsi->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
-		nfsi->cache_change_attribute = jiffies;
-		spin_unlock(&inode->i_lock);
-		goto out;
-	}
-	status = nfs_refresh_inode(inode, fattr);
-out:
-	return status;
+	if (fattr->valid & NFS_ATTR_FATTR)
+		return nfs_refresh_inode(inode, fattr);
+
+	spin_lock(&inode->i_lock);
+	nfsi->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
+	spin_unlock(&inode->i_lock);
+	return 0;
 }
 
 /**