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-rw-r--r--fs/nilfs2/btnode.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/nilfs2/btnode.h b/fs/nilfs2/btnode.h
index 3a4dd2d8d3f..d876b565ce6 100644
--- a/fs/nilfs2/btnode.h
+++ b/fs/nilfs2/btnode.h
@@ -29,7 +29,13 @@
#include <linux/fs.h>
#include <linux/backing-dev.h>
-
+/**
+ * struct nilfs_btnode_chkey_ctxt - change key context
+ * @oldkey: old key of block's moving content
+ * @newkey: new key for block's content
+ * @bh: buffer head of old buffer
+ * @newbh: buffer head of new buffer
+ */
struct nilfs_btnode_chkey_ctxt {
__u64 oldkey;
__u64 newkey;