UBIFS: align inode data to eight

[linux-2.6-block.git] / fs / ubifs / ubifs.h

diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 565dca2ec0bdeb80d0674c5c5549240f3ab1eabf..73ca8a0097989dba01e7ff8ecd4c91cda5a843fb 100644 (file)
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -808,6 +808,10 @@ struct ubifs_compressor {
  * An inode may contain 4KiB of data at max., thus the widths of @new_ino_d
  * is 13 bits, and @dirtied_ino_d - 15, because up to 4 inodes may be made
  * dirty by the re-name operation.
+ *
+ * Note, UBIFS aligns node lengths to 8-bytes boundary, so the requester has to
+ * make sure the amount of inode data which contribute to @new_ino_d and
+ * @dirtied_ino_d fields are aligned.
  */
 struct ubifs_budget_req {
        unsigned int fast:1;