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Extra page status checking to combat power loss causing only one bit to change
[yaffs2.git]
/
yaffs_nand.c
diff --git
a/yaffs_nand.c
b/yaffs_nand.c
index c33483c3599b8caadd5dd459514ac355ef96bb82..af4215772482a2b11db0c77ad1885f75180f0712 100644
(file)
--- a/
yaffs_nand.c
+++ b/
yaffs_nand.c
@@
-10,14
+10,15
@@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-
+
const char *yaffs_nand_c_version =
const char *yaffs_nand_c_version =
- "$Id: yaffs_nand.c,v 1.
7 2007-02-14 01:09:06 wookey
Exp $";
+ "$Id: yaffs_nand.c,v 1.
9 2008-05-05 07:58:58 charles
Exp $";
#include "yaffs_nand.h"
#include "yaffs_tagscompat.h"
#include "yaffs_tagsvalidity.h"
#include "yaffs_nand.h"
#include "yaffs_tagscompat.h"
#include "yaffs_tagsvalidity.h"
+#include "yaffs_getblockinfo.h"
int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
__u8 * buffer,
int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
__u8 * buffer,
@@
-25,9
+26,9
@@
int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
{
int result;
yaffs_ExtendedTags localTags;
{
int result;
yaffs_ExtendedTags localTags;
-
+
int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
-
+
/* If there are no tags provided, use local tags to get prioritised gc working */
if(!tags)
tags = &localTags;
/* If there are no tags provided, use local tags to get prioritised gc working */
if(!tags)
tags = &localTags;
@@
-39,14
+40,14
@@
int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev,
realignedChunkInNAND,
buffer,
result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev,
realignedChunkInNAND,
buffer,
- tags);
- if(tags &&
+ tags);
+ if(tags &&
tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){
tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){
-
+
yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock);
yaffs_HandleChunkError(dev,bi);
}
yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock);
yaffs_HandleChunkError(dev,bi);
}
-
+
return result;
}
return result;
}
@@
-57,7
+58,7
@@
int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
{
chunkInNAND -= dev->chunkOffset;
{
chunkInNAND -= dev->chunkOffset;
-
+
if (tags) {
tags->sequenceNumber = dev->sequenceNumber;
tags->chunkUsed = 1;
if (tags) {
tags->sequenceNumber = dev->sequenceNumber;
tags->chunkUsed = 1;
@@
-98,7
+99,7
@@
int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo)
int yaffs_QueryInitialBlockState(yaffs_Device * dev,
int blockNo,
yaffs_BlockState * state,
int yaffs_QueryInitialBlockState(yaffs_Device * dev,
int blockNo,
yaffs_BlockState * state,
-
unsigned
*sequenceNumber)
+
__u32
*sequenceNumber)
{
blockNo -= dev->blockOffset;
{
blockNo -= dev->blockOffset;
@@
-131,4
+132,4
@@
int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev)
}
}
-
+