summaryrefslogtreecommitdiff
path: root/fs/yaffs2/moduleconfig.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/yaffs2/moduleconfig.h')
-rw-r--r--fs/yaffs2/moduleconfig.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/fs/yaffs2/moduleconfig.h b/fs/yaffs2/moduleconfig.h
new file mode 100644
index 0000000..faf135d
--- /dev/null
+++ b/fs/yaffs2/moduleconfig.h
@@ -0,0 +1,65 @@
+/*
+ * 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 <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: Not selected */
+/* Meaning: ECC byte order is 'wrong'. Only meaningful if */
+/* CONFIG_YAFFS_DOES_ECC is set */
+//#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: 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 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 */
+
+#endif /* __YAFFS_CONFIG_H__ */