X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=moduleconfig.h;h=64689076902c57b34081966c66398b8f0a7e5102;hp=41fb3c5ac073803dab5595c3c1e4909215475205;hb=f1b7e47fc0e0d58c0e4f6e298c0dd50b6f96370d;hpb=5e1b1f2ad15a8d27d2ee4dadbc712d702dc78b93 diff --git a/moduleconfig.h b/moduleconfig.h index 41fb3c5..6468907 100644 --- a/moduleconfig.h +++ b/moduleconfig.h @@ -1,3 +1,18 @@ +/* + * 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 + * + * 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__ @@ -12,24 +27,48 @@ /* Default: Not selected */ /* Meaning: Yaffs does its own ECC, rather than using MTD ECC */ -//#define CONFIG_YAFFS_DOES_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 +/* #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: 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: 10 */ /* Meaning: set the count of blocks to reserve for checkpointing */ -#define YAFFS_CHECKPOINT_RESERVED_BLOCKS 10 +#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 */