| /* |
| * 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__ */ |
