From 4ed8a6bb083bfcc21f1ed66a474b03c0386e4b34 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Mon, 24 Nov 2008 17:02:08 -0800 Subject: ocfs2: Store dir index records inline Allow us to store a small number of directory index records in the ocfs2_dx_root_block. This saves us a disk read on small to medium sized directories (less than about 250 entries). The inline root is automatically turned into a root block with extents if the directory size increases beyond it's capacity. Signed-off-by: Mark Fasheh Acked-by: Joel Becker --- fs/ocfs2/dir.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/ocfs2/dir.h') diff --git a/fs/ocfs2/dir.h b/fs/ocfs2/dir.h index d273aaef2ec2..07b0416cdd42 100644 --- a/fs/ocfs2/dir.h +++ b/fs/ocfs2/dir.h @@ -37,6 +37,8 @@ struct ocfs2_dir_lookup_result { struct ocfs2_dir_entry *dl_entry; /* Target dirent in * unindexed leaf */ + struct buffer_head *dl_dx_root_bh; /* Root of indexed + * tree */ struct buffer_head *dl_dx_leaf_bh; /* Indexed leaf block */ struct ocfs2_dx_entry *dl_dx_entry; /* Target dx_entry in * indexed leaf */ -- cgit v1.2.3-70-g09d2