udf: remove the second argument of k[un]map_atomic()

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/fs/udf/file.c b/fs/udf/file.c
index d567b84..7f3f7ba 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -87,10 +87,10 @@
 	char *kaddr;
 	struct udf_inode_info *iinfo = UDF_I(inode);
 
-	kaddr = kmap_atomic(page, KM_USER0);
+	kaddr = kmap_atomic(page);
 	memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr + offset,
 		kaddr + offset, copied);
-	kunmap_atomic(kaddr, KM_USER0);
+	kunmap_atomic(kaddr);
 
 	return simple_write_end(file, mapping, pos, len, copied, page, fsdata);
 }