yaffs: Import yaffs from Thu Oct 7 10:05:05 2010 +1300

commit b07263adb5c642fcb911125a77b9e7f4bb8af64c
Author: Timothy Manning <tfhmanning@gmail.com>
Date:   Thu Oct 7 10:05:05 2010 +1300

    yaffs Further mods to python browser.

    Fixed the Makefile by adding an extra symlink.
    Gave the python browser the ablity to create files and folders.
    Signed-off-by: Timothy Manning <tfhmanning@gmail.com>

Change-Id: Icc9caf07c88569f551f41dcbb2f9e61ff09c0593
Signed-off-by: Dima Zavin <dima@android.com>

fs/yaffs2/Kconfig

@@ -178,3 +178,13 @@ config YAFFS_DISABLE_BACKGROUND
 	 Background processing makes many foreground activities faster.
 
 	  If unsure, say N.
+
+config YAFFS_XATTR
+	bool "Enable yaffs2 xattr support"
+	depends on YAFFS_FS
+	default y
+	help
+	 If this is set then yaffs2 will provide xattr support.
+	 If unsure, say Y.
+
+

fs/yaffs2/Makefile

@@ -4,7 +4,14 @@
 
 obj-$(CONFIG_YAFFS_FS) += yaffs.o
 
-yaffs-y := yaffs_ecc.o yaffs_fs.o yaffs_guts.o yaffs_checkptrw.o
-yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o yaffs_qsort.o
+yaffs-y := yaffs_ecc.o yaffs_vfs_glue.o yaffs_guts.o yaffs_checkptrw.o
+yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o
 yaffs-y += yaffs_tagscompat.o yaffs_tagsvalidity.o
 yaffs-y += yaffs_mtdif.o yaffs_mtdif1.o yaffs_mtdif2.o
+yaffs-y += yaffs_nameval.o
+yaffs-y += yaffs_allocator.o
+yaffs-y += yaffs_yaffs1.o
+yaffs-y += yaffs_yaffs2.o
+yaffs-y += yaffs_bitmap.o
+yaffs-y += yaffs_verify.o
+

fs/yaffs2/devextras.h

@@ -24,6 +24,8 @@
 #define __EXTRAS_H__
 
 
+#include "yportenv.h"
+
 #if !(defined __KERNEL__)
 
 /* Definition of types */
@@ -33,103 +35,6 @@ typedef unsigned __u32;
 
 #endif
 
-/*
- * This is a simple doubly linked list implementation that matches the
- * way the Linux kernel doubly linked list implementation works.
- */
-
-struct ylist_head {
-	struct ylist_head *next; /* next in chain */
-	struct ylist_head *prev; /* previous in chain */
-};
-
-
-/* Initialise a static list */
-#define YLIST_HEAD(name) \
-struct ylist_head name = { &(name), &(name)}
-
-
-
-/* Initialise a list head to an empty list */
-#define YINIT_LIST_HEAD(p) \
-do { \
-	(p)->next = (p);\
-	(p)->prev = (p); \
-} while (0)
-
-
-/* Add an element to a list */
-static __inline__ void ylist_add(struct ylist_head *newEntry,
-				struct ylist_head *list)
-{
-	struct ylist_head *listNext = list->next;
-
-	list->next = newEntry;
-	newEntry->prev = list;
-	newEntry->next = listNext;
-	listNext->prev = newEntry;
-
-}
-
-static __inline__ void ylist_add_tail(struct ylist_head *newEntry,
-				 struct ylist_head *list)
-{
-	struct ylist_head *listPrev = list->prev;
-
-	list->prev = newEntry;
-	newEntry->next = list;
-	newEntry->prev = listPrev;
-	listPrev->next = newEntry;
-
-}
-
-
-/* Take an element out of its current list, with or without
- * reinitialising the links.of the entry*/
-static __inline__ void ylist_del(struct ylist_head *entry)
-{
-	struct ylist_head *listNext = entry->next;
-	struct ylist_head *listPrev = entry->prev;
-
-	listNext->prev = listPrev;
-	listPrev->next = listNext;
-
-}
-
-static __inline__ void ylist_del_init(struct ylist_head *entry)
-{
-	ylist_del(entry);
-	entry->next = entry->prev = entry;
-}
-
-
-/* Test if the list is empty */
-static __inline__ int ylist_empty(struct ylist_head *entry)
-{
-	return (entry->next == entry);
-}
-
-
-/* ylist_entry takes a pointer to a list entry and offsets it to that
- * we can find a pointer to the object it is embedded in.
- */
-
-
-#define ylist_entry(entry, type, member) \
-	((type *)((char *)(entry)-(unsigned long)(&((type *)NULL)->member)))
-
-
-/* ylist_for_each and list_for_each_safe  iterate over lists.
- * ylist_for_each_safe uses temporary storage to make the list delete safe
- */
-
-#define ylist_for_each(itervar, list) \
-	for (itervar = (list)->next; itervar != (list); itervar = itervar->next)
-
-#define ylist_for_each_safe(itervar, saveVar, list) \
-	for (itervar = (list)->next, saveVar = (list)->next->next; \
-		itervar != (list); itervar = saveVar, saveVar = saveVar->next)
-
 
 #if !(defined __KERNEL__)
 

fs/yaffs2/moduleconfig.h

@@ -63,6 +63,10 @@
 /* #define CONFIG_DISABLE_BACKGROUND */
 
 
+/* Default: Selected */
+/* Meaning: Enable XATTR support */
+#define CONFIG_YAFFS_XATTR
+
 /*
 Older-style on-NAND data format has a "pageStatus" byte to record
 chunk/page state.  This byte is zeroed when the page is discarded.