kernel: update yaffs code

Use the latest version of the yaffs code. Fetched from the
yaffs2 git tree and it is based on the following commit:

  commit bc76682d93955cfb33051beb503ad9f8a5450578
  Merge: 3a8580e ffa781d
  Author: Charles Manning <cdhmanning@gmail.com>
  Date:   Thu Jul 11 17:46:25 2013 +1200

      Merge branch 'master' of ssh://www.aleph1.co.uk/home/aleph1/git/yaffs2

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39084 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 17 insertions, 265 deletions

diff --git a/target/linux/generic/files/fs/yaffs2/yportenv.h b/target/linux/generic/files/fs/yaffs2/yportenv.h
index 2f9063bf7a..8975af331e 100644
--- a/target/linux/generic/files/fs/yaffs2/yportenv.h
+++ b/target/linux/generic/files/fs/yaffs2/yportenv.h
@@ -1,7 +1,7 @@
 /*
  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
  *
- * Copyright (C) 2002-2010 Aleph One Ltd.
+ * Copyright (C) 2002-2011 Aleph One Ltd.
  *   for Toby Churchill Ltd and Brightstar Engineering
  *
  * Created by Charles Manning <charles@aleph1.co.uk>
@@ -13,7 +13,6 @@
  * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
  */
 
-
 #ifndef __YPORTENV_H__
 #define __YPORTENV_H__
 
@@ -25,15 +24,9 @@
 
 #define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
 
-#if defined CONFIG_YAFFS_WINCE
-
-#include "ywinceenv.h"
-
-#elif defined __KERNEL__
-
+#ifdef YAFFS_OUT_OF_TREE
 #include "moduleconfig.h"
-
-/* Linux kernel */
+#endif
 
 #include <linux/version.h>
 #define MTD_VERSION_CODE LINUX_VERSION_CODE
@@ -41,7 +34,7 @@
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
 #include <linux/config.h>
 #endif
-
+#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/sched.h>
@@ -49,32 +42,21 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/xattr.h>
-
+#include <linux/list.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/stat.h>
+#include <linux/sort.h>
+#include <linux/bitops.h>
+
+/*  These type wrappings are used to support Unicode names in WinCE. */
 #define YCHAR char
 #define YUCHAR unsigned char
 #define _Y(x)     x
-#define yaffs_strcat(a, b)     strcat(a, b)
-#define yaffs_strcpy(a, b)     strcpy(a, b)
-#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
-#define yaffs_strncmp(a, b, c) strncmp(a, b, c)
-#define yaffs_strnlen(s,m)	strnlen(s,m)
-#define yaffs_sprintf	       sprintf
-#define yaffs_toupper(a)       toupper(a)
-
-#define Y_INLINE __inline__
 
 #define YAFFS_LOSTNFOUND_NAME		"lost+found"
 #define YAFFS_LOSTNFOUND_PREFIX		"obj"
 
-/* #define YPRINTF(x) printk x */
-#define YMALLOC(x) kmalloc(x, GFP_NOFS)
-#define YFREE(x)   kfree(x)
-#define YMALLOC_ALT(x) vmalloc(x)
-#define YFREE_ALT(x)   vfree(x)
-#define YMALLOC_DMA(x) YMALLOC(x)
-
-#define YYIELD() schedule()
-#define Y_DUMP_STACK() dump_stack()
 
 #define YAFFS_ROOT_MODE			0755
 #define YAFFS_LOSTNFOUND_MODE		0700
@@ -87,247 +69,17 @@
 #define Y_TIME_CONVERT(x) (x)
 #endif
 
-#define yaffs_sum_cmp(x, y) ((x) == (y))
-#define yaffs_strcmp(a, b) strcmp(a, b)
-
-#define TENDSTR "\n"
-#define TSTR(x) KERN_DEBUG x
-#define TCONT(x) x
-#define TOUT(p) printk p
-
 #define compile_time_assertion(assertion) \
 	({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; })
 
-#elif defined CONFIG_YAFFS_DIRECT
-
-#define MTD_VERSION_CODE MTD_VERSION(2, 6, 22)
-
-/* Direct interface */
-#include "ydirectenv.h"
-
-#elif defined CONFIG_YAFFS_UTIL
 
-/* Stuff for YAFFS utilities */
-
-#include "stdlib.h"
-#include "stdio.h"
-#include "string.h"
-
-
-#define YMALLOC(x) malloc(x)
-#define YFREE(x)   free(x)
-#define YMALLOC_ALT(x) malloc(x)
-#define YFREE_ALT(x) free(x)
-
-#define YCHAR char
-#define YUCHAR unsigned char
-#define _Y(x)     x
-#define yaffs_strcat(a, b)     strcat(a, b)
-#define yaffs_strcpy(a, b)     strcpy(a, b)
-#define yaffs_strncpy(a, b, c) strncpy(a, b, c)
-#define yaffs_strnlen(s,m)	       strnlen(s,m)
-#define yaffs_sprintf	       sprintf
-#define yaffs_toupper(a)       toupper(a)
-
-#define Y_INLINE inline
-
-/* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */
-/* #define YALERT(s) YINFO(s) */
-
-#define TENDSTR "\n"
-#define TSTR(x) x
-#define TOUT(p) printf p
-
-#define YAFFS_LOSTNFOUND_NAME		"lost+found"
-#define YAFFS_LOSTNFOUND_PREFIX		"obj"
-/* #define YPRINTF(x) printf x */
-
-#define YAFFS_ROOT_MODE			0755
-#define YAFFS_LOSTNFOUND_MODE		0700
-
-#define yaffs_sum_cmp(x, y) ((x) == (y))
-#define yaffs_strcmp(a, b) strcmp(a, b)
-
-#else
-/* Should have specified a configuration type */
-#error Unknown configuration
-
-#endif
-
-#if defined(CONFIG_YAFFS_DIRECT) || defined(CONFIG_YAFFS_WINCE)
-
-#ifdef CONFIG_YAFFSFS_PROVIDE_VALUES
-
-#ifndef O_RDONLY
-#define O_RDONLY        00
-#endif
-
-#ifndef O_WRONLY
-#define O_WRONLY	01
-#endif
-
-#ifndef O_RDWR
-#define O_RDWR		02
-#endif
-
-#ifndef O_CREAT		
-#define O_CREAT 	0100
-#endif
-
-#ifndef O_EXCL
-#define O_EXCL		0200
-#endif
-
-#ifndef O_TRUNC
-#define O_TRUNC		01000
-#endif
-
-#ifndef O_APPEND
-#define O_APPEND	02000
-#endif
-
-#ifndef SEEK_SET
-#define SEEK_SET	0
-#endif
-
-#ifndef SEEK_CUR
-#define SEEK_CUR	1
-#endif
-
-#ifndef SEEK_END
-#define SEEK_END	2
-#endif
-
-#ifndef EBUSY
-#define EBUSY	16
-#endif
+#define yaffs_printf(msk, fmt, ...) \
+	printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__)
 
-#ifndef ENODEV
-#define ENODEV	19
-#endif
-
-#ifndef EINVAL
-#define EINVAL	22
-#endif
-
-#ifndef EBADF
-#define EBADF	9
-#endif
-
-#ifndef EACCES
-#define EACCES	13
-#endif
-
-#ifndef EXDEV	
-#define EXDEV	18
-#endif
-
-#ifndef ENOENT
-#define ENOENT	2
-#endif
-
-#ifndef ENOSPC
-#define ENOSPC	28
-#endif
-
-#ifndef ERANGE
-#define ERANGE 34
-#endif
-
-#ifndef ENODATA
-#define ENODATA 61
-#endif
-
-#ifndef ENOTEMPTY
-#define ENOTEMPTY 39
-#endif
-
-#ifndef ENAMETOOLONG
-#define ENAMETOOLONG 36
-#endif
-
-#ifndef ENOMEM
-#define ENOMEM 12
-#endif
-
-#ifndef EEXIST
-#define EEXIST 17
-#endif
-
-#ifndef ENOTDIR
-#define ENOTDIR 20
-#endif
-
-#ifndef EISDIR
-#define EISDIR 21
-#endif
-
-
-// Mode flags
-
-#ifndef S_IFMT
-#define S_IFMT		0170000
-#endif
-
-#ifndef S_IFLNK
-#define S_IFLNK		0120000
-#endif
-
-#ifndef S_IFDIR
-#define S_IFDIR		0040000
-#endif
-
-#ifndef S_IFREG
-#define S_IFREG		0100000
-#endif
-
-#ifndef S_IREAD 
-#define S_IREAD		0000400
-#endif
-
-#ifndef S_IWRITE
-#define	S_IWRITE	0000200
-#endif
-
-#ifndef S_IEXEC
-#define	S_IEXEC	0000100
-#endif
-
-#ifndef XATTR_CREATE
-#define XATTR_CREATE 1
-#endif
-
-#ifndef XATTR_REPLACE
-#define XATTR_REPLACE 2
-#endif
-
-#ifndef R_OK
-#define R_OK	4
-#define W_OK	2
-#define X_OK	1
-#define F_OK	0
-#endif
-
-#else
-#include <errno.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#endif
-
-#endif
-
-#ifndef Y_DUMP_STACK
-#define Y_DUMP_STACK() do { } while (0)
-#endif
-
-#ifndef YBUG
-#define YBUG() do {\
-	T(YAFFS_TRACE_BUG,\
-		(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),\
-		__LINE__));\
-	Y_DUMP_STACK();\
+#define yaffs_trace(msk, fmt, ...) do { \
+	if (yaffs_trace_mask & (msk)) \
+		printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__); \
 } while (0)
-#endif
 
 
 #endif