Add crc of data to jffs2 (in jffs2_1pass_build_lists()).
Patch by Rick Bronson, 15 Jun 2005
diff --git a/fs/jffs2/jffs2_private.h b/fs/jffs2/jffs2_private.h
index 65ca6eb..3e1fff4 100644
--- a/fs/jffs2/jffs2_private.h
+++ b/fs/jffs2/jffs2_private.h
@@ -85,4 +85,16 @@
 	}
 }
 
+static inline int
+data_crc(struct jffs2_raw_inode *node)
+{
+	if (node->data_crc != crc32_no_comp(0, (unsigned char *)
+                                            ((int) &node->node_crc + sizeof (node->node_crc)),
+                                             node->csize)) {
+		return 0;
+	} else {
+		return 1;
+	}
+}
+
 #endif /* jffs2_private.h */