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Diffstat (limited to 'fs/yaffs2/moduleconfig.h')
-rw-r--r-- | fs/yaffs2/moduleconfig.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/fs/yaffs2/moduleconfig.h b/fs/yaffs2/moduleconfig.h new file mode 100644 index 0000000..faf135d --- /dev/null +++ b/fs/yaffs2/moduleconfig.h @@ -0,0 +1,65 @@ +/* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * + * Copyright (C) 2002-2007 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Martin Fouts <Martin.Fouts@palmsource.com> + * + * 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. + */ + +#ifndef __YAFFS_CONFIG_H__ +#define __YAFFS_CONFIG_H__ + +#ifdef YAFFS_OUT_OF_TREE + +/* DO NOT UNSET THESE THREE. YAFFS2 will not compile if you do. */ +#define CONFIG_YAFFS_FS +#define CONFIG_YAFFS_YAFFS1 +#define CONFIG_YAFFS_YAFFS2 + +/* These options are independent of each other. Select those that matter. */ + +/* Default: Not selected */ +/* Meaning: Yaffs does its own ECC, rather than using MTD ECC */ +//#define CONFIG_YAFFS_DOES_ECC + +/* Default: Not selected */ +/* Meaning: ECC byte order is 'wrong'. Only meaningful if */ +/* CONFIG_YAFFS_DOES_ECC is set */ +//#define CONFIG_YAFFS_ECC_WRONG_ORDER + +/* Default: Selected */ +/* Meaning: Disables testing whether chunks are erased before writing to them*/ +#define CONFIG_YAFFS_DISABLE_CHUNK_ERASED_CHECK + +/* Default: Selected */ +/* Meaning: Cache short names, taking more RAM, but faster look-ups */ +#define CONFIG_YAFFS_SHORT_NAMES_IN_RAM + +/* Default: 10 */ +/* Meaning: set the count of blocks to reserve for checkpointing */ +#define CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS 10 + +/* +Older-style on-NAND data format has a "pageStatus" byte to record +chunk/page state. This byte is zeroed when the page is discarded. +Choose this option if you have existing on-NAND data in this format +that you need to continue to support. New data written also uses the +older-style format. +Note: Use of this option generally requires that MTD's oob layout be +adjusted to use the older-style format. See notes on tags formats and +MTD versions in yaffs_mtdif1.c. +*/ +/* Default: Not selected */ +/* Meaning: Use older-style on-NAND data format with pageStatus byte */ +//#define CONFIG_YAFFS_9BYTE_TAGS + +#endif /* YAFFS_OUT_OF_TREE */ + +#endif /* __YAFFS_CONFIG_H__ */ |