Linux 3.14

[~andy/linux] / fs / xfs / xfs_dinode.h

diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h
index 07d735a80a0f777c342c4323ba9393556afe182b..e5869b50dc41acd1788123e0cd49ea2670101e3f 100644 (file)
--- a/fs/xfs/xfs_dinode.h
+++ b/fs/xfs/xfs_dinode.h
@@ -39,6 +39,9 @@ typedef struct xfs_timestamp {
  * There is a very similar struct icdinode in xfs_inode which matches the
  * layout of the first 96 bytes of this structure, but is kept in native
  * format instead of big endian.
+ *
+ * Note: di_flushiter is only used by v1/2 inodes - it's effectively a zeroed
+ * padding field for v3 inodes.
  */
 typedef struct xfs_dinode {
        __be16          di_magic;       /* inode magic # = XFS_DINODE_MAGIC */