*/
//yaffs_guts.c
-const char *yaffs_guts_c_version="$Id: yaffs_guts.c,v 1.27 2003-08-16 08:17:32 charles Exp $";
+const char *yaffs_guts_c_version="$Id: yaffs_guts.c,v 1.34 2004-06-08 08:47:55 charles Exp $";
#include "yportenv.h"
static void yaffs_DeinitialiseTnodes(yaffs_Device*dev)
{
// Free the list of allocated tnodes
-
+ yaffs_TnodeList *tmp;
+
while(dev->allocatedTnodeList)
{
+ tmp = dev->allocatedTnodeList->next;
+
YFREE(dev->allocatedTnodeList->tnodes);
- dev->allocatedTnodeList = dev->allocatedTnodeList->next;
+ YFREE(dev->allocatedTnodeList);
+ dev->allocatedTnodeList = tmp;
+
}
dev->freeTnodes = NULL;
if(limit)
{
*limit = *limit-1;
- if(limit <= 0)
+ if(*limit <= 0)
{
hitLimit = 1;
}
{
if(tn->level0[i])
{
+ // Note this does not find the real chunk, only the chunk group.
+ // We make an assumption that a chunk group is niot larger than a block.
theChunk = (tn->level0[i] << in->myDev->chunkGroupBits);
T(YAFFS_TRACE_SCAN,(TSTR("soft delete tch %d cgb %d chunk %d" TENDSTR),
tn->level0[i],in->myDev->chunkGroupBits,theChunk));
{
// Free the list of allocated Objects
+ yaffs_ObjectList *tmp;
+
while( dev->allocatedObjectList)
{
+ tmp = dev->allocatedObjectList->next;
YFREE(dev->allocatedObjectList->objects);
- dev->allocatedObjectList = dev->allocatedObjectList->next;
+ YFREE(dev->allocatedObjectList);
+
+ dev->allocatedObjectList = tmp;
}
dev->freeObjects = NULL;
#ifdef CONFIG_YAFFS_WINCE
yfsd_WinFileTimeNow(in->win_atime);
in->win_ctime[0] = in->win_mtime[0] = in->win_atime[0];
- in->win_ctime[1] = in->win_mtime[1] = in->win_atime[0];
+ in->win_ctime[1] = in->win_mtime[1] = in->win_atime[1];
#else
#if defined(CONFIG_KERNEL_2_5)
{
// It's a header
object->chunkId = newChunk;
+ object->serial = tags.serialNumber;
}
else
{
}
else
{
+ memset(buffer,0,YAFFS_BYTES_PER_CHUNK);
return 0;
}
if(markNAND)
{
yaffs_SpareInitialise(&spare);
-
+
+#ifdef CONFIG_MTD_NAND_VERIFY_WRITE
+
+ //read data before write, to ensure correct ecc
+ //if we're using MTD verification under Linux
+ yaffs_ReadChunkFromNAND(dev,chunkId,NULL,&spare,0);
+#endif
+
spare.pageStatus = 0; // To mark it as deleted.
int lastChunk = 1+ newSize/YAFFS_BYTES_PER_CHUNK;
// Got to read and rewrite the last chunk with its new size.
+ // NB Got to zero pad to nuke old data
yaffs_ReadChunkDataFromObject(in,lastChunk,dev->localBuffer);
-
+ memset(dev->localBuffer + sizeOfPartialChunk,0, YAFFS_BYTES_PER_CHUNK - sizeOfPartialChunk);
+
yaffs_WriteChunkDataToObject(in,lastChunk,dev->localBuffer,sizeOfPartialChunk,1);
}
{
// Hoosterman, another problem....
// We're trying to use a non-directory as a directory
- // Todo ... handle
- T(YAFFS_TRACE_ERROR, (TSTR("yaffs tragedy: attempting to use non-directory as a directory in scan" TENDSTR)));
+
+ T(YAFFS_TRACE_ERROR, (TSTR("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." TENDSTR)));
+ parent = dev->lostNFoundDir;
}
int extraBits;
int nBlocks;
- if( dev->nBytesPerChunk != YAFFS_BYTES_PER_CHUNK ||
-
+ if( dev->nBytesPerChunk != YAFFS_BYTES_PER_CHUNK ||
dev->nChunksPerBlock < 2 ||
dev->nReservedBlocks < 2 ||
dev->startBlock <= 0 ||
{
dev->chunkGroupBits = bits - 16;
}
+
dev->chunkGroupSize = 1 << dev->chunkGroupBits;
+
+ if(dev->nChunksPerBlock < dev->chunkGroupSize)
+ {
+ // We have a problem because the soft delete won't work if
+ // the chunk group size > chunks per block.
+ // This can be remedied by using larger "virtual blocks".
+
+ return YAFFS_FAIL;
+ }
+
yaffs_DeinitialiseBlocks(dev);
yaffs_DeinitialiseTnodes(dev);
yaffs_DeinitialiseObjects(dev);
+ if(dev->nShortOpCaches > 0)
+ YFREE(dev->srCache);
YFREE(dev->localBuffer);
}