Even more checkpoint tracing

[yaffs2.git] / yaffs_checkptrw.c

diff --git a/yaffs_checkptrw.c b/yaffs_checkptrw.c
index afc7e470ba3f2ac0ae102e2ece981d572412564b..dcf7cf5042df99cd6c445bba110034840a5691f4 100644 (file)
--- a/yaffs_checkptrw.c
+++ b/yaffs_checkptrw.c
@@ -1,5 +1,4 @@
-/*
- * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+/* YAFFS: Yet another FFS. A NAND-flash specific file system. 
  *
  * Copyright (C) 2002 Aleph One Ltd.
  *   for Toby Churchill Ltd and Brightstar Engineering
@@ -13,7 +12,7 @@
  */
 
 const char *yaffs_checkptrw_c_version =
-    "$Id: yaffs_checkptrw.c,v 1.6 2006-11-07 23:26:52 charles Exp $";
+    "$Id: yaffs_checkptrw.c,v 1.10 2006-11-10 02:51:10 charles Exp $";
 
 
 #include "yaffs_checkptrw.h"
@@ -43,9 +42,9 @@ static int yaffs_CheckpointErase(yaffs_Device *dev)
        if(!dev->eraseBlockInNAND)      
                return 0;
        T(YAFFS_TRACE_CHECKPOINT,(TSTR("checking blocks %d to %d"TENDSTR),
-               dev->startBlock,dev->endBlock));
+               dev->internalStartBlock,dev->internalEndBlock));
                
-       for(i = dev->startBlock; i <= dev->endBlock; i++) {
+       for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) {
                yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
                if(bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT){
                        T(YAFFS_TRACE_CHECKPOINT,(TSTR("erasing checkpt block %d"TENDSTR),i));
@@ -71,12 +70,15 @@ static void yaffs_CheckpointFindNextErasedBlock(yaffs_Device *dev)
 {
        int  i;
        int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks;
+       T(YAFFS_TRACE_CHECKPOINT,
+               (TSTR("allocating checkpt block: erased %d reserved %d avail %d next %d "TENDSTR),
+               dev->nErasedBlocks,dev->nReservedBlocks,blocksAvailable,dev->checkpointNextBlock));
                
        if(dev->checkpointNextBlock >= 0 &&
-          dev->checkpointNextBlock <= dev->endBlock &&
+          dev->checkpointNextBlock <= dev->internalEndBlock &&
           blocksAvailable > 0){
        
-               for(i = dev->checkpointNextBlock; i <= dev->endBlock; i++){
+               for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){
                        yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i);
                        if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY){
                                dev->checkpointNextBlock = i + 1;
@@ -97,11 +99,16 @@ static void yaffs_CheckpointFindNextCheckpointBlock(yaffs_Device *dev)
        int  i;
        yaffs_ExtendedTags tags;
        
+       T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: start:  blocks %d next %d" TENDSTR),
+               dev->blocksInCheckpoint, dev->checkpointNextBlock));
+               
        if(dev->blocksInCheckpoint < dev->checkpointMaxBlocks) 
-               for(i = dev->checkpointNextBlock; i <= dev->endBlock; i++){
+               for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){
                        int chunk = i * dev->nChunksPerBlock;
 
                        dev->readChunkWithTagsFromNAND(dev,chunk,NULL,&tags);
+                       T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR), 
+                               i, tags.objectId,tags.sequenceNumber,tags.eccResult));
                                                      
                        if(tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA){
                                /* Right kind of block */
@@ -147,7 +154,7 @@ int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting)
        dev->checkpointByteCount = 0;
        dev->checkpointCurrentBlock = -1;
        dev->checkpointCurrentChunk = -1;
-       dev->checkpointNextBlock = dev->startBlock;
+       dev->checkpointNextBlock = dev->internalStartBlock;
        
        /* Erase all the blocks in the checkpoint area */
        if(forWriting){
@@ -163,7 +170,7 @@ int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting)
                /* A checkpoint block list of 1 checkpoint block per 16 block is (hopefully)
                 * going to be way more than we need */
                dev->blocksInCheckpoint = 0;
-               dev->checkpointMaxBlocks = (dev->endBlock - dev->startBlock)/16 + 2;
+               dev->checkpointMaxBlocks = (dev->internalEndBlock - dev->internalStartBlock)/16 + 2;
                dev->checkpointBlockList = YMALLOC(sizeof(int) * dev->checkpointMaxBlocks);
                for(i = 0; i < dev->checkpointMaxBlocks; i++)
                        dev->checkpointBlockList[i] = -1;
@@ -201,7 +208,10 @@ static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev)
        }
        
        chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk;
-               
+       
+       T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR),
+               chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk,tags.objectId,tags.chunkId)); 
+
        dev->writeChunkWithTagsToNAND(dev,chunk,dev->checkpointBuffer,&tags);
        dev->checkpointByteOffset = 0;
        dev->checkpointPageSequence++;