Write object headers with stored file extents

[yaffs2.git] / yaffs_guts.h

diff --git a/yaffs_guts.h b/yaffs_guts.h
index c2f7ac46ef6c7e9ca4f2f57a5616b4c92c615a3c..e2b2fb9378afe615beba22b0eb86f3d65a992b99 100644 (file)
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -374,9 +374,19 @@ struct yaffs_tnode {
  * - a hard link
  */
 
+/* The file variant has three file sizes:
+ *  - file_size : size of file as written into Yaffs - including data in cache.
+ *  - stored_size - size of file as stored on media.
+ *  - shrink_size - size of file that has been shrunk back to.
+ *
+ * The stored_size and file_size might be different because the data written
+ * into the cache will increase the file_size but the stored_size will only
+ * change when the data is actually stored.
+ *
+ */
 struct yaffs_file_var {
        loff_t file_size;
-       loff_t scanned_size;
+       loff_t stored_size;
        loff_t shrink_size;
        int top_level;
        struct yaffs_tnode *top;