[PATCH] ufs: little directory lookup optimization

This patch make little optimization of ufs_find_entry like "ext2" does.  Save
number of page and reuse it again in the next call.

Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/ufs_fs_i.h b/include/linux/ufs_fs_i.h
index 21665a9..f50ce3b 100644
--- a/include/linux/ufs_fs_i.h
+++ b/include/linux/ufs_fs_i.h
@@ -27,6 +27,7 @@
 	__u32	i_oeftflag;
 	__u16	i_osync;
 	__u32	i_lastfrag;
+	__u32   i_dir_start_lookup;
 	struct inode vfs_inode;
 };