mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-31 14:04:26 -04:00
87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/*
|
|
* 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 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: Selected */
|
|
/* Meaning: Yaffs does its own ECC on tags for packed tags rather than use mtd */
|
|
#define CONFIG_YAFFS_DOES_TAGS_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: Not selected */
|
|
/* Meaning: Always test whether chunks are erased before writing to them.
|
|
Use during mtd debugging and init. */
|
|
/* #define CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED */
|
|
|
|
/* Default: Not Selected */
|
|
/* Meaning: At mount automatically empty all files from lost and found. */
|
|
/* This is done to fix an old problem where rmdir was not checking for an */
|
|
/* empty directory. This can also be achieved with a mount option. */
|
|
#define CONFIG_YAFFS_EMPTY_LOST_AND_FOUND
|
|
|
|
/* Default: Selected */
|
|
/* Meaning: Cache short names, taking more RAM, but faster look-ups */
|
|
#define CONFIG_YAFFS_SHORT_NAMES_IN_RAM
|
|
|
|
/* Default: Unselected */
|
|
/* Meaning: Select to disable block refreshing. */
|
|
/* Block Refreshing periodically rewrites the oldest block. */
|
|
/* #define CONFIG_DISABLE_BLOCK_REFRESHING */
|
|
|
|
/* Default: Unselected */
|
|
/* Meaning: Select to disable background processing */
|
|
/* #define CONFIG_DISABLE_BACKGROUND */
|
|
|
|
|
|
/* Default: Selected */
|
|
/* Meaning: Enable XATTR support */
|
|
#define CONFIG_YAFFS_XATTR
|
|
|
|
/*
|
|
Older-style on-NAND data format has a "page_status" 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 page_status byte */
|
|
/* #define CONFIG_YAFFS_9BYTE_TAGS */
|
|
|
|
#endif /* YAFFS_OUT_OF_TREE */
|
|
|
|
#endif /* __YAFFS_CONFIG_H__ */
|