2.6.24

 fs

 ext4

diff --git a/fs/ext4/group.h b/fs/ext4/group.h
new file mode 100644
index 0000000..1577910
--- /dev/null
+++ b/fs/ext4/group.h
@@ -0,0 +1,27 @@
+/*
+ *  linux/fs/ext4/group.h
+ *
+ * Copyright (C) 2007 Cluster File Systems, Inc
+ *
+ * Author: Andreas Dilger <adilger@clusterfs.com>
+ */
+
+#ifndef _LINUX_EXT4_GROUP_H
+#define _LINUX_EXT4_GROUP_H
+
+extern __le16 ext4_group_desc_csum(struct ext4_sb_info *sbi, __u32 group,
+               struct ext4_group_desc *gdp);
+extern int ext4_group_desc_csum_verify(struct ext4_sb_info *sbi, __u32 group,
+                   struct ext4_group_desc *gdp);
+struct buffer_head *read_block_bitmap(struct super_block *sb,
+                  unsigned int block_group);
+extern unsigned ext4_init_block_bitmap(struct super_block *sb,
+                   struct buffer_head *bh, int group,
+                   struct ext4_group_desc *desc);
+#define ext4_free_blocks_after_init(sb, group, desc)         \
+      ext4_init_block_bitmap(sb, NULL, group, desc)
+extern unsigned ext4_init_inode_bitmap(struct super_block *sb,
+                   struct buffer_head *bh, int group,
+                   struct ext4_group_desc *desc);
+extern void mark_bitmap_end(int start_bit, int end_bit, char *bitmap);
+#endif /* _LINUX_EXT4_GROUP_H */