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-rw-r--r--fs/nilfs2/mdt.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/nilfs2/mdt.h b/fs/nilfs2/mdt.h
index ab20a4baa50..ab172e8549c 100644
--- a/fs/nilfs2/mdt.h
+++ b/fs/nilfs2/mdt.h
@@ -28,6 +28,13 @@
#include "nilfs.h"
#include "page.h"
+/**
+ * struct nilfs_shadow_map - shadow mapping of meta data file
+ * @bmap_store: shadow copy of bmap state
+ * @frozen_data: shadowed dirty data pages
+ * @frozen_btnodes: shadowed dirty b-tree nodes' pages
+ * @frozen_buffers: list of frozen buffers
+ */
struct nilfs_shadow_map {
struct nilfs_bmap_store bmap_store;
struct address_space frozen_data;