nilfs2: add omitted comments for different structures in driver implementation

[mirror_ubuntu-bionic-kernel.git] / fs / nilfs2 / mdt.h

diff --git a/fs/nilfs2/mdt.h b/fs/nilfs2/mdt.h
index ab20a4baa50fa3a41ea735fe891848f8abfb581f..ab172e8549c57ce5ca20cfe4d7e215f6c41dd679 100644 (file)
--- 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;