/*
- * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002 Aleph One Ltd.
+ * Copyright (C) 2002-2007 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
* This program is free software; you can redistribute it and/or modify
* 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 =
- "$Id: yaffs_nand.c,v 1.1 2006-05-08 10:13:34 charles Exp $";
+ "$Id: yaffs_nand.c,v 1.7 2007-02-14 01:09:06 wookey Exp $";
#include "yaffs_nand.h"
#include "yaffs_tagscompat.h"
__u8 * buffer,
yaffs_ExtendedTags * tags)
{
- chunkInNAND -= dev->chunkOffset;
+ int result;
+ yaffs_ExtendedTags localTags;
+
+ int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
+
+ /* If there are no tags provided, use local tags to get prioritised gc working */
+ if(!tags)
+ tags = &localTags;
if (dev->readChunkWithTagsFromNAND)
- return dev->readChunkWithTagsFromNAND(dev, chunkInNAND, buffer,
+ result = dev->readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer,
tags);
else
- return yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev,
- chunkInNAND,
+ result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev,
+ realignedChunkInNAND,
buffer,
- tags);
+ tags);
+ if(tags &&
+ tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){
+
+ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock);
+ yaffs_HandleChunkError(dev,bi);
+ }
+
+ return result;
}
int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
dev->nBlockErasures++;
result = dev->eraseBlockInNAND(dev, blockInNAND);
- /* If at first we don't succeed, try again *once*.*/
- if (!result)
- result = dev->eraseBlockInNAND(dev, blockInNAND);
return result;
}