ocfs2: Define the contents of the slot_map file.

[linux-2.6-omap-h63xx.git] / fs / ocfs2 / ocfs2_fs.h

diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 3633edd3982f731a1c1c67bf1cdab945eea0689e..3299116b8021050722dde323b320d018565c3c7e 100644 (file)
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -474,6 +474,18 @@ struct ocfs2_extent_block
 /* Actual on-disk size is one block */
 };
 
+/*
+ * On disk slot map for OCFS2.  This defines the contents of the "slot_map"
+ * system file.
+ */
+struct ocfs2_slot_map {
+/*00*/ __le16 sm_slots[0];
+/*
+ * Actual on-disk size is one block.  OCFS2_MAX_SLOTS is 255,
+ * 255 * sizeof(__le16) == 512B, within the 512B block minimum blocksize.
+ */
+};
+
 /*
  * On disk superblock for OCFS2
  * Note that it is contained inside an ocfs2_dinode, so all offsets