Hi,
This is a trivial patch to expose struct nilfs_fs_btree_node.
The struct sould be exposed outside of kernel, for it is disk format.
Signed-off-by: Jiro SEKIBA <j...@unicus.jp>
---
fs/nilfs2/btree.h | 22 ----------------------
include/linux/nilfs2_fs.h | 22 ++++++++++++++++++++++
2 files changed, 22 insertions(+), 22 deletions(-)
diff --git a/fs/nilfs2/btree.h b/fs/nilfs2/btree.h
index 0e72bbb..4b82d84 100644
--- a/fs/nilfs2/btree.h
+++ b/fs/nilfs2/btree.h
@@ -34,28 +34,6 @@ struct nilfs_btree;
struct nilfs_btree_path;
/**
- * struct nilfs_btree_node - B-tree node
- * @bn_flags: flags
- * @bn_level: level
- * @bn_nchildren: number of children
- * @bn_pad: padding
- */
-struct nilfs_btree_node {
- __u8 bn_flags;
- __u8 bn_level;
- __le16 bn_nchildren;
- __le32 bn_pad;
-};
-
-/* flags */
-#define NILFS_BTREE_NODE_ROOT 0x01
-
-/* level */
-#define NILFS_BTREE_LEVEL_DATA 0
-#define NILFS_BTREE_LEVEL_NODE_MIN (NILFS_BTREE_LEVEL_DATA + 1)
-#define NILFS_BTREE_LEVEL_MAX 14
-
-/**
* struct nilfs_btree - B-tree structure
* @bt_bmap: bmap base structure
*/
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index 79fec6a..42c37ba 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -403,6 +403,28 @@ struct nilfs_segment_summary {
#define NILFS_SS_GC 0x0010 /* segment written for cleaner operation */
/**
+ * struct nilfs_btree_node - B-tree node
+ * @bn_flags: flags
+ * @bn_level: level
+ * @bn_nchildren: number of children
+ * @bn_pad: padding
+ */
+struct nilfs_btree_node {
+ __u8 bn_flags;
+ __u8 bn_level;
+ __le16 bn_nchildren;
+ __le32 bn_pad;
+};
+
+/* flags */
+#define NILFS_BTREE_NODE_ROOT 0x01
+
+/* level */
+#define NILFS_BTREE_LEVEL_DATA 0
+#define NILFS_BTREE_LEVEL_NODE_MIN (NILFS_BTREE_LEVEL_DATA + 1)
+#define NILFS_BTREE_LEVEL_MAX 14
+
+/**
* struct nilfs_palloc_group_desc - block group descriptor
* @pg_nfrees: number of free entries in block group
*/
--
1.5.6.5
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