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87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/*
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* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
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*
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* Copyright (C) 2002-2010 Aleph One Ltd.
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* for Toby Churchill Ltd and Brightstar Engineering
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*
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* Created by Martin Fouts <Martin.Fouts@palmsource.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1 as
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* published by the Free Software Foundation.
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*
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* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
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*/
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#ifndef __YAFFS_CONFIG_H__
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#define __YAFFS_CONFIG_H__
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#ifdef YAFFS_OUT_OF_TREE
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/* DO NOT UNSET THESE THREE. YAFFS2 will not compile if you do. */
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#define CONFIG_YAFFS_FS
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#define CONFIG_YAFFS_YAFFS1
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#define CONFIG_YAFFS_YAFFS2
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/* These options are independent of each other. Select those that matter. */
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/* Default: Not selected */
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/* Meaning: Yaffs does its own ECC, rather than using MTD ECC */
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/* #define CONFIG_YAFFS_DOES_ECC */
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/* Default: Selected */
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/* Meaning: Yaffs does its own ECC on tags for packed tags rather than use mtd */
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#define CONFIG_YAFFS_DOES_TAGS_ECC
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/* Default: Not selected */
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/* Meaning: ECC byte order is 'wrong'. Only meaningful if */
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/* CONFIG_YAFFS_DOES_ECC is set */
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/* #define CONFIG_YAFFS_ECC_WRONG_ORDER */
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/* Default: Not selected */
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/* Meaning: Always test whether chunks are erased before writing to them.
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Use during mtd debugging and init. */
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/* #define CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED */
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/* Default: Not Selected */
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/* Meaning: At mount automatically empty all files from lost and found. */
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/* This is done to fix an old problem where rmdir was not checking for an */
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/* empty directory. This can also be achieved with a mount option. */
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#define CONFIG_YAFFS_EMPTY_LOST_AND_FOUND
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/* Default: Selected */
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/* Meaning: Cache short names, taking more RAM, but faster look-ups */
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#define CONFIG_YAFFS_SHORT_NAMES_IN_RAM
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/* Default: Unselected */
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/* Meaning: Select to disable block refreshing. */
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/* Block Refreshing periodically rewrites the oldest block. */
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/* #define CONFIG_DISABLE_BLOCK_REFRESHING */
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/* Default: Unselected */
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/* Meaning: Select to disable background processing */
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/* #define CONFIG_DISABLE_BACKGROUND */
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/* Default: Selected */
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/* Meaning: Enable XATTR support */
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#define CONFIG_YAFFS_XATTR
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/*
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Older-style on-NAND data format has a "page_status" byte to record
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chunk/page state. This byte is zeroed when the page is discarded.
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Choose this option if you have existing on-NAND data in this format
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that you need to continue to support. New data written also uses the
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older-style format.
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Note: Use of this option generally requires that MTD's oob layout be
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adjusted to use the older-style format. See notes on tags formats and
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MTD versions in yaffs_mtdif1.c.
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*/
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/* Default: Not selected */
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/* Meaning: Use older-style on-NAND data format with page_status byte */
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/* #define CONFIG_YAFFS_9BYTE_TAGS */
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#endif /* YAFFS_OUT_OF_TREE */
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#endif /* __YAFFS_CONFIG_H__ */
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