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authorJoel Becker <joel.becker@oracle.com>2008-02-01 11:59:05 -0800
committerMark Fasheh <mfasheh@suse.com>2008-04-18 08:56:03 -0700
commitfb86b1f07120b66769a39c445da5c4300069dd44 (patch)
tree4d97d78e2c703b289801a91e3a480fa1620914a8 /fs/ocfs2/ocfs2_fs.h
parentfc881fa0d59596c02f8707b5572567c369d4789a (diff)
downloadop-kernel-dev-fb86b1f07120b66769a39c445da5c4300069dd44.zip
op-kernel-dev-fb86b1f07120b66769a39c445da5c4300069dd44.tar.gz
ocfs2: Define the contents of the slot_map file.
The slot map file is merely an array of __le16. Wrap it in a structure for cleaner reference. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/ocfs2_fs.h')
-rw-r--r--fs/ocfs2/ocfs2_fs.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 3633edd3..3299116 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -475,6 +475,18 @@ struct ocfs2_extent_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
* are relative to the start of ocfs2_dinode.id2.
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