From 5ea813fd8970de4fa59e3aa9a493ee708c774a61 Mon Sep 17 00:00:00 2001 From: Arve Hjønnevåg Date: Tue, 18 May 2010 20:35:30 -0700 Subject: fs: yaffs: Import yaffs from Thu Dec 23 13:31:37 2010 +1300 commit ddf33fed15c2376bfb602d62dd018c63fce60df8 Author: Timothy Manning Date: Thu Dec 23 13:31:37 2010 +1300 yaffs updated direct/timothy_tests/quick_tests Signed-off-by: Timothy Manning Change-Id: I5bbe5a05277bdf8a6fe188bbe4c77725b3fa2aae Signed-off-by: Dima Zavin --- fs/yaffs2/yaffs_packedtags1.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 fs/yaffs2/yaffs_packedtags1.h (limited to 'fs/yaffs2/yaffs_packedtags1.h') diff --git a/fs/yaffs2/yaffs_packedtags1.h b/fs/yaffs2/yaffs_packedtags1.h new file mode 100644 index 00000000000..d6861ff505e --- /dev/null +++ b/fs/yaffs2/yaffs_packedtags1.h @@ -0,0 +1,39 @@ +/* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * + * Copyright (C) 2002-2010 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 2.1 as + * published by the Free Software Foundation. + * + * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. + */ + +/* This is used to pack YAFFS1 tags, not YAFFS2 tags. */ + +#ifndef __YAFFS_PACKEDTAGS1_H__ +#define __YAFFS_PACKEDTAGS1_H__ + +#include "yaffs_guts.h" + +struct yaffs_packed_tags1 { + unsigned chunk_id:20; + unsigned serial_number:2; + unsigned n_bytes:10; + unsigned obj_id:18; + unsigned ecc:12; + unsigned deleted:1; + unsigned unused_stuff:1; + unsigned should_be_ff; + +}; + +void yaffs_pack_tags1(struct yaffs_packed_tags1 *pt, + const struct yaffs_ext_tags *t); +void yaffs_unpack_tags1(struct yaffs_ext_tags *t, + const struct yaffs_packed_tags1 *pt); +#endif -- cgit v1.2.3