mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
/* 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__ */
|