NFSv4: Don't special case "launder"

If the client receives a fatal server error from nfs_pageio_add_request(),
then we should always truncate the page on which the error occurred.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index bebed88..5713eb3 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -482,7 +482,7 @@ static int nfs_launder_page(struct page *page)
 		inode->i_ino, (long long)page_offset(page));
 
 	nfs_fscache_wait_on_page_write(nfsi, page);
-	return nfs_wb_launder_page(inode, page);
+	return nfs_wb_page(inode, page);
 }
 
 static int nfs_swap_activate(struct swap_info_struct *sis, struct file *file,