X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=moduleconfig.h;h=83cf0c1fada93acf630fe2c2457d9760651d8368;hp=b51a150108811c611f11b3fd6976ca963897ba11;hb=79b0411a349d7b13384025f39be4d79e64f14f22;hpb=6f1de4473200f31d1ca1cf4672baf7afcdec2db0 diff --git a/moduleconfig.h b/moduleconfig.h index b51a150..83cf0c1 100644 --- a/moduleconfig.h +++ b/moduleconfig.h @@ -1,10 +1,10 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * - * Copyright (C) 2002-2007 Aleph One Ltd. + * Copyright (C) 2002-2010 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * - * Created by Martin Fouts + * 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 @@ -27,24 +27,54 @@ /* 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: 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: 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: Cache short names, taking more RAM, but faster look-ups */ -#define CONFIG_YAFFS_SHORT_NAMES_IN_RAM +/* Meaning: Enable XATTR support */ +#define CONFIG_YAFFS_XATTR -/* Default: 10 */ -/* Meaning: set the count of blocks to reserve for checkpointing */ -#define YAFFS_CHECKPOINT_RESERVED_BLOCKS 10 +/* +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 */