From 30ab3ff5e311e8e2b488c3f62f30e7450dc6bee9 Mon Sep 17 00:00:00 2001 From: charles Date: Thu, 18 Feb 2010 01:18:04 +0000 Subject: [PATCH] Rationalise context and parameter handling --- direct/dtest.c | 2 - direct/yaffs_fileem.c | 4 +- direct/yaffs_fileem2k.c | 34 ++--- direct/yaffs_norif1.c | 16 +-- direct/yaffs_ramem2k.c | 8 +- direct/yaffscfg2k.c | 88 ++++++------ direct/yaffsfs.c | 10 +- yaffs_checkptrw.c | 44 +++--- yaffs_fs.c | 205 ++++++++++++++++------------ yaffs_guts.c | 293 ++++++++++++++++++++-------------------- yaffs_guts.h | 142 +++++++++---------- yaffs_mtdif.c | 29 ++-- yaffs_mtdif1.c | 15 +- yaffs_mtdif2.c | 66 ++++----- yaffs_nand.c | 25 ++-- yaffs_tagscompat.c | 28 ++-- 16 files changed, 509 insertions(+), 500 deletions(-) diff --git a/direct/dtest.c b/direct/dtest.c index 8b32b7e..af02ff3 100644 --- a/direct/dtest.c +++ b/direct/dtest.c @@ -2258,7 +2258,6 @@ void checkpoint_upgrade_test(const char *mountpt,int nmounts) printf("Create start condition\n"); yaffs_StartUp(); - SetCheckpointReservedBlocks(0); yaffs_mount(mountpt); yaffs_mkdir(a,0); sprintf(b,"%s/zz",a); @@ -2271,7 +2270,6 @@ void checkpoint_upgrade_test(const char *mountpt,int nmounts) printf("Umount/mount attempt full\n"); yaffs_unmount(mountpt); - SetCheckpointReservedBlocks(10); yaffs_mount(mountpt); printf("unlink small file\n"); diff --git a/direct/yaffs_fileem.c b/direct/yaffs_fileem.c index 6953a68..f78f7c5 100644 --- a/direct/yaffs_fileem.c +++ b/direct/yaffs_fileem.c @@ -16,7 +16,7 @@ * This is only intended as test code to test persistence etc. */ -const char *yaffs_flashif_c_version = "$Id: yaffs_fileem.c,v 1.6 2010-01-11 04:06:47 charles Exp $"; +const char *yaffs_flashif_c_version = "$Id: yaffs_fileem.c,v 1.7 2010-02-18 01:18:04 charles Exp $"; #include "yportenv.h" @@ -210,8 +210,6 @@ int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber) int yflash_InitialiseNAND(yaffs_Device *dev) { - dev->useNANDECC = 1; // force on useNANDECC which gets faked. - // This saves us doing ECC checks. return YAFFS_OK; } diff --git a/direct/yaffs_fileem2k.c b/direct/yaffs_fileem2k.c index 3fa8d3b..4f58e98 100644 --- a/direct/yaffs_fileem2k.c +++ b/direct/yaffs_fileem2k.c @@ -16,7 +16,7 @@ * This is only intended as test code to test persistence etc. */ -const char *yaffs_flashif2_c_version = "$Id: yaffs_fileem2k.c,v 1.23 2010-01-11 21:43:18 charles Exp $"; +const char *yaffs_flashif2_c_version = "$Id: yaffs_fileem2k.c,v 1.24 2010-02-18 01:18:04 charles Exp $"; #include "yportenv.h" @@ -185,7 +185,7 @@ int yflash2_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u CheckInit(); - if(dev->inbandTags){ + if(dev->param.inbandTags){ yaffs_PackedTags2TagsPart * pt2tp; pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk]; @@ -195,7 +195,7 @@ int yflash2_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u h = filedisk.handle[(chunkInNAND / (PAGES_PER_BLOCK * BLOCKS_PER_HANDLE))]; lseek(h,pos,SEEK_SET); - written = write(h,data,dev->totalBytesPerChunk); + written = write(h,data,dev->param.totalBytesPerChunk); if(yaffs_testPartialWrite){ @@ -203,7 +203,7 @@ int yflash2_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u exit(1); } - if(written != dev->totalBytesPerChunk) return YAFFS_FAIL; + if(written != dev->param.totalBytesPerChunk) return YAFFS_FAIL; } @@ -252,7 +252,7 @@ int yflash2_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u lseek(h,pos,SEEK_SET); - if( 0 && dev->isYaffs2) + if( 0 && dev->param.isYaffs2) { written = write(h,tags,sizeof(yaffs_ExtendedTags)); @@ -261,7 +261,7 @@ int yflash2_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u else { yaffs_PackedTags2 pt; - yaffs_PackTags2(&pt,tags, !dev->noTagsECC); + yaffs_PackTags2(&pt,tags, !dev->param.noTagsECC); __u8 * ptab = (__u8 *)&pt; nRead = read(h,localBuffer,sizeof(pt)); @@ -330,7 +330,7 @@ int yflash2_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u lseek(h,pos,SEEK_SET); - if( 0 && dev->isYaffs2) + if( 0 && dev->param.isYaffs2) { written = write(h,tags,sizeof(yaffs_ExtendedTags)); @@ -339,7 +339,7 @@ int yflash2_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u else { yaffs_PackedTags2 pt; - yaffs_PackTags2(&pt,tags,!dev->noTagsECC); + yaffs_PackTags2(&pt,tags,!dev->param.noTagsECC); __u8 * ptab = (__u8 *)&pt; nRead = read(h,localBuffer,sizeof(pt)); @@ -404,7 +404,7 @@ int yflash2_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *d - if(dev->inbandTags){ + if(dev->param.inbandTags){ /* Got to suck the tags out of the data area */ if(!data) { localData=1; @@ -421,11 +421,11 @@ int yflash2_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *d lseek(h,pos,SEEK_SET); - nRead = read(h, data,dev->totalBytesPerChunk); + nRead = read(h, data,dev->param.totalBytesPerChunk); yaffs_UnpackTags2TagsPart(tags,pt2tp); - if(nread != dev->totalBytesPerChunk) + if(nread != dev->param.totalBytesPerChunk) retval = YAFFS_FAIL; if(localData) @@ -456,7 +456,7 @@ int yflash2_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *d h = filedisk.handle[(chunkInNAND / (PAGES_PER_BLOCK * BLOCKS_PER_HANDLE))]; lseek(h,pos,SEEK_SET); - if(0 && dev->isYaffs2) + if(0 && dev->param.isYaffs2) { nread= read(h,tags,sizeof(yaffs_ExtendedTags)); if(nread != sizeof(yaffs_ExtendedTags)) @@ -474,7 +474,7 @@ int yflash2_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *d { yaffs_PackedTags2 pt; nread= read(h,&pt,sizeof(pt)); - yaffs_UnpackTags2(tags,&pt, !dev->noTagsECC); + yaffs_UnpackTags2(tags,&pt, !dev->param.noTagsECC); #ifdef SIMULATE_FAILURES if((chunkInNAND >> 6) == 100) { if(fail300 && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR){ @@ -519,7 +519,7 @@ int yflash2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) memset(&pt,0,sizeof(pt)); h = filedisk.handle[(blockNo / ( BLOCKS_PER_HANDLE))]; - lseek(h,((blockNo % BLOCKS_PER_HANDLE) * dev->nChunksPerBlock) * PAGE_SIZE + PAGE_DATA_SIZE,SEEK_SET); + lseek(h,((blockNo % BLOCKS_PER_HANDLE) * dev->param.nChunksPerBlock) * PAGE_SIZE + PAGE_DATA_SIZE,SEEK_SET); written = write(h,&pt,sizeof(pt)); if(written != sizeof(pt)) return YAFFS_FAIL; @@ -558,8 +558,8 @@ int yflash2_EraseBlockInNAND(yaffs_Device *dev, int blockNumber) h = filedisk.handle[(blockNumber / ( BLOCKS_PER_HANDLE))]; - lseek(h,((blockNumber % BLOCKS_PER_HANDLE) * dev->nChunksPerBlock) * PAGE_SIZE,SEEK_SET); - for(i = 0; i < dev->nChunksPerBlock; i++) + lseek(h,((blockNumber % BLOCKS_PER_HANDLE) * dev->param.nChunksPerBlock) * PAGE_SIZE,SEEK_SET); + for(i = 0; i < dev->param.nChunksPerBlock; i++) { write(h,pg,PAGE_SIZE); } @@ -587,7 +587,7 @@ int yflash2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_Bl *sequenceNumber = 0; - chunkNo = blockNo * dev->nChunksPerBlock; + chunkNo = blockNo * dev->param.nChunksPerBlock; yflash2_ReadChunkWithTagsFromNAND(dev,chunkNo,NULL,&tags); if(tags.blockBad) diff --git a/direct/yaffs_norif1.c b/direct/yaffs_norif1.c index 8753e4e..376d330 100644 --- a/direct/yaffs_norif1.c +++ b/direct/yaffs_norif1.c @@ -35,7 +35,7 @@ * */ -const char *yaffs_norif1_c_version = "$Id: yaffs_norif1.c,v 1.5 2010-01-11 04:06:47 charles Exp $"; +const char *yaffs_norif1_c_version = "$Id: yaffs_norif1.c,v 1.6 2010-02-18 01:18:04 charles Exp $"; #include "yaffs_norif1.h" @@ -113,8 +113,8 @@ __u32 *Chunk2DataAddr(yaffs_Device *dev,int chunkId) unsigned chunkInBlock; __u32 addr; - block = chunkId/dev->nChunksPerBlock; - chunkInBlock = chunkId % dev->nChunksPerBlock; + block = chunkId/dev->param.nChunksPerBlock; + chunkInBlock = chunkId % dev->param.nChunksPerBlock; addr = (__u32) Block2Addr(dev,block); addr += chunkInBlock * DATA_BYTES_PER_CHUNK; @@ -128,8 +128,8 @@ __u32 *Chunk2SpareAddr(yaffs_Device *dev,int chunkId) unsigned chunkInBlock; __u32 addr; - block = chunkId/dev->nChunksPerBlock; - chunkInBlock = chunkId % dev->nChunksPerBlock; + block = chunkId/dev->param.nChunksPerBlock; + chunkInBlock = chunkId % dev->param.nChunksPerBlock; addr = (__u32) Block2Addr(dev,block); addr += SPARE_AREA_OFFSET; @@ -174,7 +174,7 @@ int ynorif1_WriteChunkToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, ynorif1_FlashWrite32(spareAddr,(__u32 *)&tmpSpare,sizeof(yaffs_Spare)/4); /* Write the data */ - ynorif1_FlashWrite32(dataAddr,(__u32 *)data,dev->totalBytesPerChunk / 4); + ynorif1_FlashWrite32(dataAddr,(__u32 *)data,dev->param.totalBytesPerChunk / 4); memcpy(&tmpSpare,spare,sizeof(yaffs_Spare)); @@ -213,7 +213,7 @@ int ynorif1_ReadChunkFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaf if(data) { - ynorif1_FlashRead32(dataAddr,(__u32 *)data,dev->totalBytesPerChunk / 4); + ynorif1_FlashRead32(dataAddr,(__u32 *)data,dev->param.totalBytesPerChunk / 4); } if(spare) @@ -291,7 +291,7 @@ int ynorif1_InitialiseNAND(yaffs_Device *dev) ynorif1_FlashInit(); /* Go through the blocks formatting them if they are not formatted */ - for(i = dev->startBlock; i <= dev->endBlock; i++){ + for(i = dev->param.startBlock; i <= dev->param.endBlock; i++){ if(!ynorif1_IsBlockFormatted(dev,i)){ ynorif1_FormatBlock(dev,i); } diff --git a/direct/yaffs_ramem2k.c b/direct/yaffs_ramem2k.c index 7d8f765..c623e39 100644 --- a/direct/yaffs_ramem2k.c +++ b/direct/yaffs_ramem2k.c @@ -16,7 +16,7 @@ */ -const char *yaffs_ramem2k_c_version = "$Id: yaffs_ramem2k.c,v 1.7 2010-01-11 21:43:18 charles Exp $"; +const char *yaffs_ramem2k_c_version = "$Id: yaffs_ramem2k.c,v 1.8 2010-02-18 01:18:04 charles Exp $"; #ifndef __KERNEL__ #define CONFIG_YAFFS_RAM_ENABLED @@ -221,7 +221,7 @@ int nandemul2k_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const { x = &ned.block[blk]->page[pg]->data[PAGE_DATA_SIZE]; - yaffs_PackTags2((yaffs_PackedTags2 *)x,tags, !dev->noTagsECC); + yaffs_PackTags2((yaffs_PackedTags2 *)x,tags, !dev->param.noTagsECC); } @@ -257,7 +257,7 @@ int nandemul2k_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 { x = &ned.block[blk]->page[pg]->data[PAGE_DATA_SIZE]; - yaffs_UnpackTags2(tags,(yaffs_PackedTags2 *)x, !dev->noTagsECC); + yaffs_UnpackTags2(tags,(yaffs_PackedTags2 *)x, !dev->param.noTagsECC); } return YAFFS_OK; @@ -335,7 +335,7 @@ int nandemul2k_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs *sequenceNumber = 0; - chunkNo = blockNo * dev->nChunksPerBlock; + chunkNo = blockNo * dev->param.nChunksPerBlock; nandemul2k_ReadChunkWithTagsFromNAND(dev,chunkNo,NULL,&tags); if(tags.blockBad) diff --git a/direct/yaffscfg2k.c b/direct/yaffscfg2k.c index 3118fa0..7731ade 100644 --- a/direct/yaffscfg2k.c +++ b/direct/yaffscfg2k.c @@ -136,34 +136,34 @@ int yaffs_StartUp(void) // Set up devices // /ram1 ram, yaffs1 memset(&ram1Dev,0,sizeof(ram1Dev)); - ram1Dev.totalBytesPerChunk = 512; - ram1Dev.nChunksPerBlock = 32; - ram1Dev.nReservedBlocks = 2; // Set this smaller for RAM - ram1Dev.startBlock = 0; // Can use block 0 - ram1Dev.endBlock = 127; // Last block in 2MB. - //ram1Dev.useNANDECC = 1; - ram1Dev.nShortOpCaches = 0; // Disable caching on this device. - ram1Dev.genericDevice = (void *) 0; // Used to identify the device in fstat. - ram1Dev.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND; - ram1Dev.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND; - ram1Dev.eraseBlockInNAND = yramdisk_EraseBlockInNAND; - ram1Dev.initialiseNAND = yramdisk_InitialiseNAND; + ram1Dev.param.totalBytesPerChunk = 512; + ram1Dev.param.nChunksPerBlock = 32; + ram1Dev.param.nReservedBlocks = 2; // Set this smaller for RAM + ram1Dev.param.startBlock = 0; // Can use block 0 + ram1Dev.param.endBlock = 127; // Last block in 2MB. + //ram1Dev.param.useNANDECC = 1; + ram1Dev.param.nShortOpCaches = 0; // Disable caching on this device. + ram1Dev.context = (void *) 0; // Used to identify the device in fstat. + ram1Dev.param.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND; + ram1Dev.param.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND; + ram1Dev.param.eraseBlockInNAND = yramdisk_EraseBlockInNAND; + ram1Dev.param.initialiseNAND = yramdisk_InitialiseNAND; // /M18-1 yaffs1 on M18 nor sim memset(&m18_1Dev,0,sizeof(m18_1Dev)); - m18_1Dev.totalBytesPerChunk = 1024; - m18_1Dev.nChunksPerBlock =248; - m18_1Dev.nReservedBlocks = 2; - m18_1Dev.startBlock = 0; // Can use block 0 - m18_1Dev.endBlock = 31; // Last block - m18_1Dev.useNANDECC = 0; // use YAFFS's ECC - m18_1Dev.nShortOpCaches = 10; // Use caches - m18_1Dev.genericDevice = (void *) 1; // Used to identify the device in fstat. - m18_1Dev.writeChunkToNAND = ynorif1_WriteChunkToNAND; - m18_1Dev.readChunkFromNAND = ynorif1_ReadChunkFromNAND; - m18_1Dev.eraseBlockInNAND = ynorif1_EraseBlockInNAND; - m18_1Dev.initialiseNAND = ynorif1_InitialiseNAND; - m18_1Dev.deinitialiseNAND = ynorif1_DeinitialiseNAND; + m18_1Dev.param.totalBytesPerChunk = 1024; + m18_1Dev.param.nChunksPerBlock =248; + m18_1Dev.param.nReservedBlocks = 2; + m18_1Dev.param.startBlock = 0; // Can use block 0 + m18_1Dev.param.endBlock = 31; // Last block + m18_1Dev.param.useNANDECC = 0; // use YAFFS's ECC + m18_1Dev.param.nShortOpCaches = 10; // Use caches + m18_1Dev.context = (void *) 1; // Used to identify the device in fstat. + m18_1Dev.param.writeChunkToNAND = ynorif1_WriteChunkToNAND; + m18_1Dev.param.readChunkFromNAND = ynorif1_ReadChunkFromNAND; + m18_1Dev.param.eraseBlockInNAND = ynorif1_EraseBlockInNAND; + m18_1Dev.param.initialiseNAND = ynorif1_InitialiseNAND; + m18_1Dev.param.deinitialiseNAND = ynorif1_DeinitialiseNAND; // /yaffs2 @@ -173,22 +173,23 @@ int yaffs_StartUp(void) // memset(&flashDev,0,sizeof(flashDev)); - flashDev.totalBytesPerChunk = 2048; - flashDev.nChunksPerBlock = 64; - flashDev.nReservedBlocks = 5; - flashDev.inbandTags = 0; - flashDev.startBlock = 0; - flashDev.endBlock = yflash2_GetNumberOfBlocks()-1; - flashDev.isYaffs2 = 1; - flashDev.wideTnodesDisabled=0; - flashDev.nShortOpCaches = 10; // Use caches - flashDev.genericDevice = (void *) 2; // Used to identify the device in fstat. - flashDev.writeChunkWithTagsToNAND = yflash2_WriteChunkWithTagsToNAND; - flashDev.readChunkWithTagsFromNAND = yflash2_ReadChunkWithTagsFromNAND; - flashDev.eraseBlockInNAND = yflash2_EraseBlockInNAND; - flashDev.initialiseNAND = yflash2_InitialiseNAND; - flashDev.markNANDBlockBad = yflash2_MarkNANDBlockBad; - flashDev.queryNANDBlock = yflash2_QueryNANDBlock; + flashDev.param.totalBytesPerChunk = 2048; + flashDev.param.nChunksPerBlock = 64; + flashDev.param.nReservedBlocks = 5; + flashDev.param.inbandTags = 0; + flashDev.param.startBlock = 0; + flashDev.param.endBlock = yflash2_GetNumberOfBlocks()-1; + flashDev.param.isYaffs2 = 1; + flashDev.param.useNANDECC=1; + flashDev.param.wideTnodesDisabled=0; + flashDev.param.nShortOpCaches = 10; // Use caches + flashDev.context = (void *) 2; // Used to identify the device in fstat. + flashDev.param.writeChunkWithTagsToNAND = yflash2_WriteChunkWithTagsToNAND; + flashDev.param.readChunkWithTagsFromNAND = yflash2_ReadChunkWithTagsFromNAND; + flashDev.param.eraseBlockInNAND = yflash2_EraseBlockInNAND; + flashDev.param.initialiseNAND = yflash2_InitialiseNAND; + flashDev.param.markNANDBlockBad = yflash2_MarkNANDBlockBad; + flashDev.param.queryNANDBlock = yflash2_QueryNANDBlock; yaffs_initialise(yaffsfs_config); @@ -198,8 +199,3 @@ int yaffs_StartUp(void) -void SetCheckpointReservedBlocks(int n) -{ -// flashDev.nCheckpointReservedBlocks = n; -} - diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c index c20c738..f7dc552 100644 --- a/direct/yaffsfs.c +++ b/direct/yaffsfs.c @@ -31,7 +31,7 @@ #define YAFFSFS_RW_SIZE (1<st_dev = (int)obj->myDev->genericDevice; + buf->st_dev = (int)obj->myDev->context; buf->st_ino = obj->objectId; buf->st_mode = obj->yst_mode & ~S_IFMT; // clear out file type bits @@ -1556,8 +1556,8 @@ loff_t yaffs_totalspace(const YCHAR *path) yaffsfs_Lock(); dev = yaffsfs_FindDevice(path,&dummy); if(dev && dev->isMounted){ - retVal = (dev->endBlock - dev->startBlock + 1) - dev->nReservedBlocks; - retVal *= dev->nChunksPerBlock; + retVal = (dev->param.endBlock - dev->param.startBlock + 1) - dev->param.nReservedBlocks; + retVal *= dev->param.nChunksPerBlock; retVal *= dev->nDataBytesPerChunk; } else @@ -1603,7 +1603,7 @@ void yaffs_initialise(yaffsfs_DeviceConfiguration *cfgList) while(cfg && cfg->prefix && cfg->dev){ cfg->dev->isMounted = 0; - cfg->dev->removeObjectCallback = yaffsfs_RemoveObjectCallback; + cfg->dev->param.removeObjectCallback = yaffsfs_RemoveObjectCallback; cfg++; } diff --git a/yaffs_checkptrw.c b/yaffs_checkptrw.c index ce44f1e..7ae263c 100644 --- a/yaffs_checkptrw.c +++ b/yaffs_checkptrw.c @@ -12,7 +12,7 @@ */ const char *yaffs_checkptrw_c_version = - "$Id: yaffs_checkptrw.c,v 1.22 2009-11-03 02:36:30 charles Exp $"; + "$Id: yaffs_checkptrw.c,v 1.23 2010-02-18 01:18:04 charles Exp $"; #include "yaffs_checkptrw.h" @@ -20,7 +20,7 @@ const char *yaffs_checkptrw_c_version = static int yaffs_CheckpointSpaceOk(yaffs_Device *dev) { - int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks; + int blocksAvailable = dev->nErasedBlocks - dev->param.nReservedBlocks; T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpt blocks available = %d" TENDSTR), @@ -34,7 +34,7 @@ static int yaffs_CheckpointErase(yaffs_Device *dev) { int i; - if (!dev->eraseBlockInNAND) + if (!dev->param.eraseBlockInNAND) return 0; T(YAFFS_TRACE_CHECKPOINT, (TSTR("checking blocks %d to %d"TENDSTR), dev->internalStartBlock, dev->internalEndBlock)); @@ -46,12 +46,12 @@ static int yaffs_CheckpointErase(yaffs_Device *dev) dev->nBlockErasures++; - if (dev->eraseBlockInNAND(dev, i - dev->blockOffset /* realign */)) { + if (dev->param.eraseBlockInNAND(dev, i - dev->blockOffset /* realign */)) { bi->blockState = YAFFS_BLOCK_STATE_EMPTY; dev->nErasedBlocks++; - dev->nFreeChunks += dev->nChunksPerBlock; + dev->nFreeChunks += dev->param.nChunksPerBlock; } else { - dev->markNANDBlockBad(dev, i); + dev->param.markNANDBlockBad(dev, i); bi->blockState = YAFFS_BLOCK_STATE_DEAD; } } @@ -66,10 +66,10 @@ static int yaffs_CheckpointErase(yaffs_Device *dev) static void yaffs_CheckpointFindNextErasedBlock(yaffs_Device *dev) { int i; - int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks; + int blocksAvailable = dev->nErasedBlocks - dev->param.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)); + dev->nErasedBlocks, dev->param.nReservedBlocks, blocksAvailable, dev->checkpointNextBlock)); if (dev->checkpointNextBlock >= 0 && dev->checkpointNextBlock <= dev->internalEndBlock && @@ -101,10 +101,10 @@ static void yaffs_CheckpointFindNextCheckpointBlock(yaffs_Device *dev) if (dev->blocksInCheckpoint < dev->checkpointMaxBlocks) for (i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++) { - int chunk = i * dev->nChunksPerBlock; + int chunk = i * dev->param.nChunksPerBlock; int realignedChunk = chunk - dev->chunkOffset; - dev->readChunkWithTagsFromNAND(dev, realignedChunk, + dev->param.readChunkWithTagsFromNAND(dev, realignedChunk, 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)); @@ -134,17 +134,17 @@ int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting) dev->checkpointOpenForWrite = forWriting; /* Got the functions we need? */ - if (!dev->writeChunkWithTagsToNAND || - !dev->readChunkWithTagsFromNAND || - !dev->eraseBlockInNAND || - !dev->markNANDBlockBad) + if (!dev->param.writeChunkWithTagsToNAND || + !dev->param.readChunkWithTagsFromNAND || + !dev->param.eraseBlockInNAND || + !dev->param.markNANDBlockBad) return 0; if (forWriting && !yaffs_CheckpointSpaceOk(dev)) return 0; if (!dev->checkpointBuffer) - dev->checkpointBuffer = YMALLOC_DMA(dev->totalBytesPerChunk); + dev->checkpointBuffer = YMALLOC_DMA(dev->param.totalBytesPerChunk); if (!dev->checkpointBuffer) return 0; @@ -217,7 +217,7 @@ static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev) dev->blocksInCheckpoint++; } - chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk; + chunk = dev->checkpointCurrentBlock * dev->param.nChunksPerBlock + dev->checkpointCurrentChunk; T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR), @@ -227,12 +227,12 @@ static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev) dev->nPageWrites++; - dev->writeChunkWithTagsToNAND(dev, realignedChunk, + dev->param.writeChunkWithTagsToNAND(dev, realignedChunk, dev->checkpointBuffer, &tags); dev->checkpointByteOffset = 0; dev->checkpointPageSequence++; dev->checkpointCurrentChunk++; - if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) { + if (dev->checkpointCurrentChunk >= dev->param.nChunksPerBlock) { dev->checkpointCurrentChunk = 0; dev->checkpointCurrentBlock = -1; } @@ -310,7 +310,7 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) ok = 0; else { chunk = dev->checkpointCurrentBlock * - dev->nChunksPerBlock + + dev->param.nChunksPerBlock + dev->checkpointCurrentChunk; realignedChunk = chunk - dev->chunkOffset; @@ -319,7 +319,7 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) /* read in the next chunk */ /* printf("read checkpoint page %d\n",dev->checkpointPage); */ - dev->readChunkWithTagsFromNAND(dev, + dev->param.readChunkWithTagsFromNAND(dev, realignedChunk, dev->checkpointBuffer, &tags); @@ -333,7 +333,7 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) dev->checkpointPageSequence++; dev->checkpointCurrentChunk++; - if (dev->checkpointCurrentChunk >= dev->nChunksPerBlock) + if (dev->checkpointCurrentChunk >= dev->param.nChunksPerBlock) dev->checkpointCurrentBlock = -1; } } @@ -375,7 +375,7 @@ int yaffs_CheckpointClose(yaffs_Device *dev) dev->checkpointBlockList = NULL; } - dev->nFreeChunks -= dev->blocksInCheckpoint * dev->nChunksPerBlock; + dev->nFreeChunks -= dev->blocksInCheckpoint * dev->param.nChunksPerBlock; dev->nErasedBlocks -= dev->blocksInCheckpoint; diff --git a/yaffs_fs.c b/yaffs_fs.c index 8034a06..2e09f5c 100644 --- a/yaffs_fs.c +++ b/yaffs_fs.c @@ -32,7 +32,7 @@ */ const char *yaffs_fs_c_version = - "$Id: yaffs_fs.c,v 1.93 2010-02-10 03:54:08 charles Exp $"; + "$Id: yaffs_fs.c,v 1.94 2010-02-18 01:18:04 charles Exp $"; extern const char *yaffs_guts_c_version; #include @@ -117,6 +117,8 @@ static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size) #include "yaffs_trace.h" #include "yaffs_guts.h" +#include "yaffs_linux.h" + #include #include "yaffs_mtdif.h" #include "yaffs_mtdif1.h" @@ -379,18 +381,18 @@ static const struct super_operations yaffs_super_ops = { .sync_fs = yaffs_sync_fs, .write_super = yaffs_write_super, }; - + static void yaffs_GrossLock(yaffs_Device *dev) { T(LOCK_TRACE && YAFFS_TRACE_OS, ("yaffs locking %p\n", current)); - down(&dev->grossLock); + down(&(yaffs_DeviceToContext(dev)->grossLock)); T(LOCK_TRACE && YAFFS_TRACE_OS, ("yaffs locked %p\n", current)); } static void yaffs_GrossUnlock(yaffs_Device *dev) { T(LOCK_TRACE && YAFFS_TRACE_OS, ("yaffs unlocking %p\n", current)); - up(&dev->grossLock); + up(&(yaffs_DeviceToContext(dev)->grossLock)); } @@ -440,7 +442,7 @@ static struct yaffs_SearchContext * yaffs_NewSearch(yaffs_Object *dir) dir->variant.directoryVariant.children.next, yaffs_Object,siblings); YINIT_LIST_HEAD(&sc->others); - ylist_add(&sc->others,&dev->searchContexts); + ylist_add(&sc->others,&(yaffs_DeviceToContext(dev)->searchContexts)); } return sc; } @@ -489,7 +491,7 @@ static void yaffs_RemoveObjectCallback(yaffs_Object *obj) struct ylist_head *i; struct yaffs_SearchContext *sc; - struct ylist_head *search_contexts = &obj->myDev->searchContexts; + struct ylist_head *search_contexts = &(yaffs_DeviceToContext(obj->myDev)->searchContexts); /* Iterate through the directory search contexts. @@ -1734,8 +1736,8 @@ static int yaffs_statfs(struct super_block *sb, struct statfs *buf) uint64_t bytesInDev; uint64_t bytesFree; - bytesInDev = ((uint64_t)((dev->endBlock - dev->startBlock + 1))) * - ((uint64_t)(dev->nChunksPerBlock * dev->nDataBytesPerChunk)); + bytesInDev = ((uint64_t)((dev->param.endBlock - dev->param.startBlock + 1))) * + ((uint64_t)(dev->param.nChunksPerBlock * dev->nDataBytesPerChunk)); do_div(bytesInDev, sb->s_blocksize); /* bytesInDev becomes the number of blocks */ buf->f_blocks = bytesInDev; @@ -1750,16 +1752,16 @@ static int yaffs_statfs(struct super_block *sb, struct statfs *buf) } else if (sb->s_blocksize > dev->nDataBytesPerChunk) { buf->f_blocks = - (dev->endBlock - dev->startBlock + 1) * - dev->nChunksPerBlock / + (dev->param.endBlock - dev->param.startBlock + 1) * + dev->param.nChunksPerBlock / (sb->s_blocksize / dev->nDataBytesPerChunk); buf->f_bfree = yaffs_GetNumberOfFreeChunks(dev) / (sb->s_blocksize / dev->nDataBytesPerChunk); } else { buf->f_blocks = - (dev->endBlock - dev->startBlock + 1) * - dev->nChunksPerBlock * + (dev->param.endBlock - dev->param.startBlock + 1) * + dev->param.nChunksPerBlock * (dev->nDataBytesPerChunk / sb->s_blocksize); buf->f_bfree = @@ -1904,7 +1906,7 @@ static void yaffs_read_inode(struct inode *inode) #endif -static YLIST_HEAD(yaffs_dev_list); +static YLIST_HEAD(yaffs_context_list); #if 0 /* not used */ static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data) @@ -1948,19 +1950,19 @@ static void yaffs_put_super(struct super_block *sb) yaffs_CheckpointSave(dev); - if (dev->putSuperFunc) - dev->putSuperFunc(sb); + if (yaffs_DeviceToContext(dev)->putSuperFunc) + yaffs_DeviceToContext(dev)->putSuperFunc(sb); yaffs_Deinitialise(dev); yaffs_GrossUnlock(dev); /* we assume this is protected by lock_kernel() in mount/umount */ - ylist_del(&dev->devList); + ylist_del_init(&(yaffs_DeviceToContext(dev)->contextList)); - if (dev->spareBuffer) { - YFREE(dev->spareBuffer); - dev->spareBuffer = NULL; + if (yaffs_DeviceToContext(dev)->spareBuffer) { + YFREE(yaffs_DeviceToContext(dev)->spareBuffer); + yaffs_DeviceToContext(dev)->spareBuffer = NULL; } kfree(dev); @@ -1969,7 +1971,7 @@ static void yaffs_put_super(struct super_block *sb) static void yaffs_MTDPutSuper(struct super_block *sb) { - struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice; + struct mtd_info *mtd = yaffs_DeviceToContext(yaffs_SuperToDevice(sb))->mtd; if (mtd->sync) mtd->sync(mtd); @@ -1978,9 +1980,9 @@ static void yaffs_MTDPutSuper(struct super_block *sb) } -static void yaffs_MarkSuperBlockDirty(void *vsb) +static void yaffs_MarkSuperBlockDirty(yaffs_Device *dev) { - struct super_block *sb = (struct super_block *)vsb; + struct super_block *sb = yaffs_DeviceToContext(dev)->superBlock; T(YAFFS_TRACE_OS, ("yaffs_MarkSuperBlockDirty() sb = %p\n", sb)); if (sb) @@ -2075,6 +2077,8 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, struct mtd_info *mtd; int err; char *data_str = (char *)data; + struct yaffs_LinuxContext *context = NULL; + yaffs_DeviceParam *param; yaffs_options options; @@ -2231,11 +2235,18 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, * Set the yaffs_Device up for mtd */ -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) - sb->s_fs_info = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL); -#else - sb->u.generic_sbp = dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL); -#endif + dev = kmalloc(sizeof(yaffs_Device), GFP_KERNEL); + context = kmalloc(sizeof(struct yaffs_LinuxContext),GFP_KERNEL); + + if(!dev || !context ){ + if(dev) + kfree(dev); + if(context) + kfree(context); + dev = NULL; + context = NULL; + } + if (!dev) { /* Deep shit could not allocate device structure */ T(YAFFS_TRACE_ALWAYS, @@ -2243,106 +2254,122 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, "yaffs_Device. \n")); return NULL; } - memset(dev, 0, sizeof(yaffs_Device)); - dev->genericDevice = mtd; - dev->name = mtd->name; + param = &(dev->param); + + memset(context,0,sizeof(struct yaffs_LinuxContext)); + dev->context = context; + YINIT_LIST_HEAD(&(context->contextList)); + context->dev = dev; + context->superBlock = sb; + + + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) + sb->s_fs_info = dev; +#else + sb->u.generic_sbp = dev; +#endif + + yaffs_DeviceToContext(dev)->mtd = mtd; + param->name = mtd->name; /* Set up the memory size parameters.... */ nBlocks = YCALCBLOCKS(mtd->size, (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK)); - dev->startBlock = 0; - dev->endBlock = nBlocks - 1; - dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK; - dev->totalBytesPerChunk = YAFFS_BYTES_PER_CHUNK; - dev->nReservedBlocks = 5; - dev->nShortOpCaches = (options.no_cache) ? 0 : 10; - dev->inbandTags = options.inband_tags; + param->startBlock = 0; + param->endBlock = nBlocks - 1; + param->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK; + param->totalBytesPerChunk = YAFFS_BYTES_PER_CHUNK; + param->nReservedBlocks = 5; + param->nShortOpCaches = (options.no_cache) ? 0 : 10; + param->inbandTags = options.inband_tags; #ifdef CONFIG_YAFFS_DISABLE_LAZY_LOAD - dev->disableLazyLoad = 1; + param->disableLazyLoad = 1; #endif if(options.lazy_loading_overridden) - dev->disableLazyLoad = !options.lazy_loading_enabled; + param->disableLazyLoad = !options.lazy_loading_enabled; #ifdef CONFIG_YAFFS_DISABLE_TAGS_ECC - dev->noTagsECC = 1; + param->noTagsECC = 1; #endif if(options.tags_ecc_overridden) - dev->noTagsECC = !options.tags_ecc_on; + param->noTagsECC = !options.tags_ecc_on; #ifdef CONFIG_YAFFS_EMPTY_LOST_AND_FOUND dev->emptyLostAndFound = 1; #endif if(options.empty_lost_and_found_overridden) - dev->emptyLostAndFound = options.empty_lost_and_found; + param->emptyLostAndFound = options.empty_lost_and_found; /* ... and the functions. */ if (yaffsVersion == 2) { - dev->writeChunkWithTagsToNAND = + param->writeChunkWithTagsToNAND = nandmtd2_WriteChunkWithTagsToNAND; - dev->readChunkWithTagsFromNAND = + param->readChunkWithTagsFromNAND = nandmtd2_ReadChunkWithTagsFromNAND; - dev->markNANDBlockBad = nandmtd2_MarkNANDBlockBad; - dev->queryNANDBlock = nandmtd2_QueryNANDBlock; - dev->spareBuffer = YMALLOC(mtd->oobsize); - dev->isYaffs2 = 1; + param->markNANDBlockBad = nandmtd2_MarkNANDBlockBad; + param->queryNANDBlock = nandmtd2_QueryNANDBlock; + yaffs_DeviceToContext(dev)->spareBuffer = YMALLOC(mtd->oobsize); + param->isYaffs2 = 1; #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) - dev->totalBytesPerChunk = mtd->writesize; - dev->nChunksPerBlock = mtd->erasesize / mtd->writesize; + param->totalBytesPerChunk = mtd->writesize; + param->nChunksPerBlock = mtd->erasesize / mtd->writesize; #else - dev->totalBytesPerChunk = mtd->oobblock; - dev->nChunksPerBlock = mtd->erasesize / mtd->oobblock; + param->totalBytesPerChunk = mtd->oobblock; + param->nChunksPerBlock = mtd->erasesize / mtd->oobblock; #endif nBlocks = YCALCBLOCKS(mtd->size, mtd->erasesize); - dev->startBlock = 0; - dev->endBlock = nBlocks - 1; + param->startBlock = 0; + param->endBlock = nBlocks - 1; } else { #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) /* use the MTD interface in yaffs_mtdif1.c */ - dev->writeChunkWithTagsToNAND = + param->writeChunkWithTagsToNAND = nandmtd1_WriteChunkWithTagsToNAND; - dev->readChunkWithTagsFromNAND = + param->readChunkWithTagsFromNAND = nandmtd1_ReadChunkWithTagsFromNAND; - dev->markNANDBlockBad = nandmtd1_MarkNANDBlockBad; - dev->queryNANDBlock = nandmtd1_QueryNANDBlock; + param->markNANDBlockBad = nandmtd1_MarkNANDBlockBad; + param->queryNANDBlock = nandmtd1_QueryNANDBlock; #else - dev->writeChunkToNAND = nandmtd_WriteChunkToNAND; - dev->readChunkFromNAND = nandmtd_ReadChunkFromNAND; + param->writeChunkToNAND = nandmtd_WriteChunkToNAND; + param->readChunkFromNAND = nandmtd_ReadChunkFromNAND; #endif - dev->isYaffs2 = 0; + param->isYaffs2 = 0; } /* ... and common functions */ - dev->eraseBlockInNAND = nandmtd_EraseBlockInNAND; - dev->initialiseNAND = nandmtd_InitialiseNAND; + param->eraseBlockInNAND = nandmtd_EraseBlockInNAND; + param->initialiseNAND = nandmtd_InitialiseNAND; - dev->putSuperFunc = yaffs_MTDPutSuper; + yaffs_DeviceToContext(dev)->putSuperFunc = yaffs_MTDPutSuper; - dev->superBlock = (void *)sb; - dev->markSuperBlockDirty = yaffs_MarkSuperBlockDirty; + param->markSuperBlockDirty = yaffs_MarkSuperBlockDirty; + yaffs_DeviceToContext(dev)->superBlock= sb; + #ifndef CONFIG_YAFFS_DOES_ECC - dev->useNANDECC = 1; + param->useNANDECC = 1; #endif #ifdef CONFIG_YAFFS_DISABLE_WIDE_TNODES - dev->wideTnodesDisabled = 1; + param->wideTnodesDisabled = 1; #endif - dev->skipCheckpointRead = options.skip_checkpoint_read; - dev->skipCheckpointWrite = options.skip_checkpoint_write; + param->skipCheckpointRead = options.skip_checkpoint_read; + param->skipCheckpointWrite = options.skip_checkpoint_write; /* we assume this is protected by lock_kernel() in mount/umount */ - ylist_add_tail(&dev->devList, &yaffs_dev_list); + ylist_add_tail(&(yaffs_DeviceToContext(dev)->contextList), &yaffs_context_list); /* Directory search handling...*/ - YINIT_LIST_HEAD(&dev->searchContexts); - dev->removeObjectCallback = yaffs_RemoveObjectCallback; + YINIT_LIST_HEAD(&(yaffs_DeviceToContext(dev)->searchContexts)); + param->removeObjectCallback = yaffs_RemoveObjectCallback; - init_MUTEX(&dev->grossLock); + init_MUTEX(&(yaffs_DeviceToContext(dev)->grossLock)); yaffs_GrossLock(dev); @@ -2484,14 +2511,14 @@ static struct proc_dir_entry *my_proc_entry; static char *yaffs_dump_dev_part0(char *buf, yaffs_Device * dev) { - buf += sprintf(buf, "startBlock......... %d\n", dev->startBlock); - buf += sprintf(buf, "endBlock........... %d\n", dev->endBlock); - buf += sprintf(buf, "totalBytesPerChunk. %d\n", dev->totalBytesPerChunk); + buf += sprintf(buf, "startBlock......... %d\n", dev->param.startBlock); + buf += sprintf(buf, "endBlock........... %d\n", dev->param.endBlock); + buf += sprintf(buf, "totalBytesPerChunk. %d\n", dev->param.totalBytesPerChunk); buf += sprintf(buf, "nDataBytesPerChunk. %d\n", dev->nDataBytesPerChunk); buf += sprintf(buf, "chunkGroupBits..... %d\n", dev->chunkGroupBits); buf += sprintf(buf, "chunkGroupSize..... %d\n", dev->chunkGroupSize); buf += sprintf(buf, "nErasedBlocks...... %d\n", dev->nErasedBlocks); - buf += sprintf(buf, "nReservedBlocks.... %d\n", dev->nReservedBlocks); + buf += sprintf(buf, "nReservedBlocks.... %d\n", dev->param.nReservedBlocks); buf += sprintf(buf, "blocksInCheckpoint. %d\n", dev->blocksInCheckpoint); buf += sprintf(buf, "nTnodesCreated..... %d\n", dev->nTnodesCreated); buf += sprintf(buf, "nFreeTnodes........ %d\n", dev->nFreeTnodes); @@ -2506,7 +2533,7 @@ static char *yaffs_dump_dev_part0(char *buf, yaffs_Device * dev) buf += sprintf(buf, "passiveGCs......... %d\n", dev->passiveGarbageCollections); buf += sprintf(buf, "nRetriedWrites..... %d\n", dev->nRetriedWrites); - buf += sprintf(buf, "nShortOpCaches..... %d\n", dev->nShortOpCaches); + buf += sprintf(buf, "nShortOpCaches..... %d\n", dev->param.nShortOpCaches); buf += sprintf(buf, "nRetireBlocks...... %d\n", dev->nRetiredBlocks); buf += sprintf(buf, "eccFixed........... %d\n", dev->eccFixed); buf += sprintf(buf, "eccUnfixed......... %d\n", dev->eccUnfixed); @@ -2524,12 +2551,12 @@ static char *yaffs_dump_dev_part0(char *buf, yaffs_Device * dev) static char *yaffs_dump_dev_part1(char *buf, yaffs_Device * dev) { - buf += sprintf(buf, "useNANDECC......... %d\n", dev->useNANDECC); - buf += sprintf(buf, "noTagsECC.......... %d\n", dev->noTagsECC); - buf += sprintf(buf, "isYaffs2........... %d\n", dev->isYaffs2); - buf += sprintf(buf, "inbandTags......... %d\n", dev->inbandTags); - buf += sprintf(buf, "emptyLostAndFound.. %d\n", dev->emptyLostAndFound); - buf += sprintf(buf, "disableLazyLoad.... %d\n", dev->disableLazyLoad); + buf += sprintf(buf, "useNANDECC......... %d\n", dev->param.useNANDECC); + buf += sprintf(buf, "noTagsECC.......... %d\n", dev->param.noTagsECC); + buf += sprintf(buf, "isYaffs2........... %d\n", dev->param.isYaffs2); + buf += sprintf(buf, "inbandTags......... %d\n", dev->param.inbandTags); + buf += sprintf(buf, "emptyLostAndFound.. %d\n", dev->param.emptyLostAndFound); + buf += sprintf(buf, "disableLazyLoad.... %d\n", dev->param.disableLazyLoad); return buf; } @@ -2565,14 +2592,16 @@ static int yaffs_proc_read(char *page, lock_kernel(); /* Locate and print the Nth entry. Order N-squared but N is small. */ - ylist_for_each(item, &yaffs_dev_list) { - yaffs_Device *dev = ylist_entry(item, yaffs_Device, devList); + ylist_for_each(item, &yaffs_context_list) { + struct yaffs_LinuxContext *dc = ylist_entry(item, struct yaffs_LinuxContext, contextList); + yaffs_Device *dev = dc->dev; + if (n < (step & ~1)) { n+=2; continue; } if((step & 1)==0){ - buf += sprintf(buf, "\nDevice %d \"%s\"\n", n, dev->name); + buf += sprintf(buf, "\nDevice %d \"%s\"\n", n, dev->param.name); buf = yaffs_dump_dev_part0(buf, dev); } else buf = yaffs_dump_dev_part1(buf, dev); diff --git a/yaffs_guts.c b/yaffs_guts.c index df8efbe..1b0a67f 100644 --- a/yaffs_guts.c +++ b/yaffs_guts.c @@ -12,7 +12,7 @@ */ const char *yaffs_guts_c_version = - "$Id: yaffs_guts.c,v 1.107 2010-02-17 02:01:25 charles Exp $"; + "$Id: yaffs_guts.c,v 1.108 2010-02-18 01:18:04 charles Exp $"; #include "yportenv.h" #include "yaffs_trace.h" @@ -210,7 +210,7 @@ static int yaffs_InitialiseTempBuffers(yaffs_Device *dev) for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) { dev->tempBuffer[i].line = 0; /* not in use */ dev->tempBuffer[i].buffer = buf = - YMALLOC_DMA(dev->totalBytesPerChunk); + YMALLOC_DMA(dev->param.totalBytesPerChunk); } return buf ? YAFFS_OK : YAFFS_FAIL; @@ -293,7 +293,7 @@ int yaffs_IsManagedTempBuffer(yaffs_Device *dev, const __u8 *buffer) return 1; } - for (i = 0; i < dev->nShortOpCaches; i++) { + for (i = 0; i < dev->param.nShortOpCaches; i++) { if (dev->srCache[i].data == buffer) return 1; } @@ -327,7 +327,7 @@ static Y_INLINE __u8 *yaffs_BlockBits(yaffs_Device *dev, int blk) static Y_INLINE void yaffs_VerifyChunkBitId(yaffs_Device *dev, int blk, int chunk) { if (blk < dev->internalStartBlock || blk > dev->internalEndBlock || - chunk < 0 || chunk >= dev->nChunksPerBlock) { + chunk < 0 || chunk >= dev->param.nChunksPerBlock) { T(YAFFS_TRACE_ERROR, (TSTR("**>> yaffs: Chunk Id (%d:%d) invalid"TENDSTR), blk, chunk)); @@ -454,9 +454,9 @@ static void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n) actuallyUsed = bi->pagesInUse - bi->softDeletions; - if (bi->pagesInUse < 0 || bi->pagesInUse > dev->nChunksPerBlock || - bi->softDeletions < 0 || bi->softDeletions > dev->nChunksPerBlock || - actuallyUsed < 0 || actuallyUsed > dev->nChunksPerBlock) + if (bi->pagesInUse < 0 || bi->pagesInUse > dev->param.nChunksPerBlock || + bi->softDeletions < 0 || bi->softDeletions > dev->param.nChunksPerBlock || + actuallyUsed < 0 || actuallyUsed > dev->param.nChunksPerBlock) T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR), n, bi->pagesInUse, bi->softDeletions)); @@ -470,7 +470,7 @@ static void yaffs_VerifyBlock(yaffs_Device *dev, yaffs_BlockInfo *bi, int n) /* Check that the sequence number is valid. * Ten million is legal, but is very unlikely */ - if (dev->isYaffs2 && + if (dev->param.isYaffs2 && (bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING || bi->blockState == YAFFS_BLOCK_STATE_FULL) && (bi->sequenceNumber < YAFFS_LOWEST_SEQUENCE_NUMBER || bi->sequenceNumber > 10000000)) T(YAFFS_TRACE_VERIFY, (TSTR("Block %d has suspect sequence number of %d"TENDSTR), @@ -762,15 +762,15 @@ static void yaffs_VerifyObject(yaffs_Object *obj) /* Check sane object header chunk */ - chunkMin = dev->internalStartBlock * dev->nChunksPerBlock; - chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1; + chunkMin = dev->internalStartBlock * dev->param.nChunksPerBlock; + chunkMax = (dev->internalEndBlock+1) * dev->param.nChunksPerBlock - 1; chunkInRange = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax); chunkIdOk = chunkInRange || (obj->hdrChunk == 0); chunkValid = chunkInRange && yaffs_CheckChunkBit(dev, - obj->hdrChunk / dev->nChunksPerBlock, - obj->hdrChunk % dev->nChunksPerBlock); + obj->hdrChunk / dev->param.nChunksPerBlock, + obj->hdrChunk % dev->param.nChunksPerBlock); chunkShouldNotBeDeleted = chunkInRange && !chunkValid; if (!obj->fake && @@ -1067,14 +1067,14 @@ static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND) TENDSTR), blockInNAND)); } else { yaffs_ExtendedTags tags; - int chunkId = blockInNAND * dev->nChunksPerBlock; + int chunkId = blockInNAND * dev->param.nChunksPerBlock; __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); memset(buffer, 0xff, dev->nDataBytesPerChunk); yaffs_InitialiseTags(&tags); tags.sequenceNumber = YAFFS_SEQUENCE_BAD_BLOCK; - if (dev->writeChunkWithTagsToNAND(dev, chunkId - + if (dev->param.writeChunkWithTagsToNAND(dev, chunkId - dev->chunkOffset, buffer, &tags) != YAFFS_OK) T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to " TCONT("write bad block marker to block %d") @@ -1125,7 +1125,7 @@ void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi) static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND, int erasedOk) { - int blockInNAND = chunkInNAND / dev->nChunksPerBlock; + int blockInNAND = chunkInNAND / dev->param.nChunksPerBlock; yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); yaffs_HandleChunkError(dev, bi); @@ -1598,8 +1598,8 @@ static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk, int j; for (j = 0; theChunk && j < dev->chunkGroupSize; j++) { - if (yaffs_CheckChunkBit(dev, theChunk / dev->nChunksPerBlock, - theChunk % dev->nChunksPerBlock)) { + if (yaffs_CheckChunkBit(dev, theChunk / dev->param.nChunksPerBlock, + theChunk % dev->param.nChunksPerBlock)) { if(dev->chunkGroupSize == 1) return theChunk; @@ -1717,7 +1717,7 @@ static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk) T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk)); - theBlock = yaffs_GetBlockInfo(dev, chunk / dev->nChunksPerBlock); + theBlock = yaffs_GetBlockInfo(dev, chunk / dev->param.nChunksPerBlock); if (theBlock) { theBlock->softDeletions++; dev->nFreeChunks++; @@ -2092,7 +2092,6 @@ static void yaffs_FreeObject(yaffs_Object *tn) dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ } -#ifdef __KERNEL__ void yaffs_HandleDeferedFree(yaffs_Object *obj) { @@ -2100,7 +2099,6 @@ void yaffs_HandleDeferedFree(yaffs_Object *obj) yaffs_FreeObject(obj); } -#endif static void yaffs_DeinitialiseObjects(yaffs_Device *dev) { @@ -2223,11 +2221,10 @@ yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number) if (i) { in = ylist_entry(i, yaffs_Object, hashLink); if (in->objectId == number) { -#ifdef __KERNEL__ + /* Don't tell the VFS about this one if it is defered free */ if (in->deferedFree) return NULL; -#endif return in; } @@ -2508,7 +2505,7 @@ static int yaffs_ChangeObjectName(yaffs_Object *obj, yaffs_Object *newDir, } /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */ - if (obj->myDev->isYaffs2) + if (obj->myDev->param.isYaffs2) unlinkOp = (newDir == obj->myDev->unlinkedDir); else unlinkOp = (newDir == obj->myDev->unlinkedDir @@ -2634,7 +2631,7 @@ static int yaffs_InitialiseBlocks(yaffs_Device *dev) if (dev->blockInfo) { /* Set up dynamic blockinfo stuff. */ - dev->chunkBitmapStride = (dev->nChunksPerBlock + 7) / 8; /* round up bytes */ + dev->chunkBitmapStride = (dev->param.nChunksPerBlock + 7) / 8; /* round up bytes */ dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks); if (!dev->chunkBits) { dev->chunkBits = YMALLOC_ALT(dev->chunkBitmapStride * nBlocks); @@ -2678,7 +2675,7 @@ static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device *dev, __u32 seq; yaffs_BlockInfo *b; - if (!dev->isYaffs2) + if (!dev->param.isYaffs2) return 1; /* disqualification only applies to yaffs2. */ if (!bi->hasShrinkHeader) @@ -2695,7 +2692,7 @@ static int yaffs_BlockNotDisqualifiedFromGC(yaffs_Device *dev, b = yaffs_GetBlockInfo(dev, i); if (b->blockState == YAFFS_BLOCK_STATE_FULL && (b->pagesInUse - b->softDeletions) < - dev->nChunksPerBlock && b->sequenceNumber < seq) { + dev->param.nChunksPerBlock && b->sequenceNumber < seq) { seq = b->sequenceNumber; } } @@ -2761,7 +2758,7 @@ static int yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, if (!prioritised) pagesInUse = - (aggressive) ? dev->nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1; + (aggressive) ? dev->param.nChunksPerBlock : YAFFS_PASSIVE_GC_CHUNKS + 1; if (aggressive) iterations = @@ -2800,7 +2797,7 @@ static int yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, if (dirtiest > 0) { T(YAFFS_TRACE_GC, (TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR), dirtiest, - dev->nChunksPerBlock - pagesInUse, prioritised)); + dev->param.nChunksPerBlock - pagesInUse, prioritised)); } dev->oldestDirtySequence = 0; @@ -2840,9 +2837,9 @@ static void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo) if (erasedOk && ((yaffs_traceMask & YAFFS_TRACE_ERASE) || !yaffs_SkipVerification(dev))) { int i; - for (i = 0; i < dev->nChunksPerBlock; i++) { + for (i = 0; i < dev->param.nChunksPerBlock; i++) { if (!yaffs_CheckChunkErased - (dev, blockNo * dev->nChunksPerBlock + i)) { + (dev, blockNo * dev->param.nChunksPerBlock + i)) { T(YAFFS_TRACE_ERROR, (TSTR (">>Block %d erasure supposedly OK, but chunk %d not erased" @@ -2865,7 +2862,7 @@ static void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo) T(YAFFS_TRACE_ERASE, (TSTR("Erased block %d" TENDSTR), blockNo)); } else { - dev->nFreeChunks -= dev->nChunksPerBlock; /* We lost a block of free space */ + dev->nFreeChunks -= dev->param.nChunksPerBlock; /* We lost a block of free space */ yaffs_RetireBlock(dev, blockNo); T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, @@ -2926,11 +2923,11 @@ static int yaffs_FindBlockForAllocation(yaffs_Device *dev) static int yaffs_CalcCheckpointBlocksRequired(yaffs_Device *dev) { if (!dev->nCheckpointBlocksRequired && - dev->isYaffs2) { + dev->param.isYaffs2) { /* Not a valid value so recalculate */ int nBytes = 0; int nBlocks; - int devBlocks = (dev->endBlock - dev->startBlock + 1); + int devBlocks = (dev->param.endBlock - dev->param.startBlock + 1); int tnodeSize = yaffs_CalcTnodeSize(dev); nBytes += sizeof(yaffs_CheckpointValidity); @@ -2944,7 +2941,7 @@ static int yaffs_CalcCheckpointBlocksRequired(yaffs_Device *dev) /* Round up and add 2 blocks to allow for some bad blocks, so add 3 */ - nBlocks = (nBytes/(dev->nDataBytesPerChunk * dev->nChunksPerBlock)) + 3; + nBlocks = (nBytes/(dev->nDataBytesPerChunk * dev->param.nChunksPerBlock)) + 3; dev->nCheckpointBlocksRequired = nBlocks; } @@ -2959,10 +2956,10 @@ static int yaffs_CalcCheckpointBlocksRequired(yaffs_Device *dev) static int yaffs_CheckSpaceForAllocation(yaffs_Device *dev) { int reservedChunks; - int reservedBlocks = dev->nReservedBlocks; + int reservedBlocks = dev->param.nReservedBlocks; int checkpointBlocks; - if (dev->isYaffs2) { + if (dev->param.isYaffs2) { checkpointBlocks = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint; if (checkpointBlocks < 0) @@ -2971,7 +2968,7 @@ static int yaffs_CheckSpaceForAllocation(yaffs_Device *dev) checkpointBlocks = 0; } - reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->nChunksPerBlock); + reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->param.nChunksPerBlock); return (dev->nFreeChunks > reservedChunks); } @@ -2993,7 +2990,7 @@ static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, return -1; } - if (dev->nErasedBlocks < dev->nReservedBlocks + if (dev->nErasedBlocks < dev->param.nReservedBlocks && dev->allocationPage == 0) { T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR))); } @@ -3002,7 +2999,7 @@ static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, if (dev->allocationBlock >= 0) { bi = yaffs_GetBlockInfo(dev, dev->allocationBlock); - retVal = (dev->allocationBlock * dev->nChunksPerBlock) + + retVal = (dev->allocationBlock * dev->param.nChunksPerBlock) + dev->allocationPage; bi->pagesInUse++; yaffs_SetChunkBit(dev, dev->allocationBlock, @@ -3013,7 +3010,7 @@ static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, dev->nFreeChunks--; /* If the block is full set the state to full */ - if (dev->allocationPage >= dev->nChunksPerBlock) { + if (dev->allocationPage >= dev->param.nChunksPerBlock) { bi->blockState = YAFFS_BLOCK_STATE_FULL; dev->allocationBlock = -1; } @@ -3034,10 +3031,10 @@ static int yaffs_GetErasedChunks(yaffs_Device *dev) { int n; - n = dev->nErasedBlocks * dev->nChunksPerBlock; + n = dev->nErasedBlocks * dev->param.nChunksPerBlock; if (dev->allocationBlock > 0) - n += (dev->nChunksPerBlock - dev->allocationPage); + n += (dev->param.nChunksPerBlock - dev->allocationPage); return n; @@ -3119,12 +3116,12 @@ static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, yaffs_VerifyBlock(dev, bi, block); - maxCopies = (wholeBlock) ? dev->nChunksPerBlock : 10; - oldChunk = block * dev->nChunksPerBlock + dev->gcChunk; + maxCopies = (wholeBlock) ? dev->param.nChunksPerBlock : 10; + oldChunk = block * dev->param.nChunksPerBlock + dev->gcChunk; for (/* init already done */; retVal == YAFFS_OK && - dev->gcChunk < dev->nChunksPerBlock && + dev->gcChunk < dev->param.nChunksPerBlock && (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) && maxCopies > 0; dev->gcChunk++, oldChunk++) { @@ -3345,7 +3342,7 @@ static int yaffs_CheckGarbageCollection(yaffs_Device *dev) if (checkpointBlockAdjust < 0) checkpointBlockAdjust = 0; - if (dev->nErasedBlocks < (dev->nReservedBlocks + checkpointBlockAdjust + 2)) { + if (dev->nErasedBlocks < (dev->param.nReservedBlocks + checkpointBlockAdjust + 2)) { /* We need a block soon...*/ aggressive = 1; } else { @@ -3373,13 +3370,13 @@ static int yaffs_CheckGarbageCollection(yaffs_Device *dev) gcOk = yaffs_GarbageCollectBlock(dev, block, aggressive); } - if (dev->nErasedBlocks < (dev->nReservedBlocks) && block > 0) { + if (dev->nErasedBlocks < (dev->param.nReservedBlocks) && block > 0) { T(YAFFS_TRACE_GC, (TSTR ("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d" TENDSTR), dev->nErasedBlocks, maxTries, block)); } - } while ((dev->nErasedBlocks < dev->nReservedBlocks) && + } while ((dev->nErasedBlocks < dev->param.nReservedBlocks) && (block > 0) && (maxTries < 2)); @@ -3493,8 +3490,8 @@ static int yaffs_CheckFileSanity(yaffs_Object *in) theChunk = yaffs_GetChunkGroupBase(dev, tn, chunk); if (yaffs_CheckChunkBits - (dev, theChunk / dev->nChunksPerBlock, - theChunk % dev->nChunksPerBlock)) { + (dev, theChunk / dev->param.nChunksPerBlock, + theChunk % dev->param.nChunksPerBlock)) { yaffs_ReadChunkTagsFromNAND(in->myDev, theChunk, tags, @@ -3618,7 +3615,7 @@ static int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, } if ((inScan > 0) && - (in->myDev->isYaffs2 || + (in->myDev->param.isYaffs2 || existingChunk <= 0 || ((existingSerial + 1) & 3) == newSerial)) { /* Forward scanning. @@ -3678,8 +3675,8 @@ void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn) return; dev->nDeletions++; - block = chunkId / dev->nChunksPerBlock; - page = chunkId % dev->nChunksPerBlock; + block = chunkId / dev->param.nChunksPerBlock; + page = chunkId % dev->param.nChunksPerBlock; if (!yaffs_CheckChunkBit(dev, block, page)) @@ -3693,7 +3690,7 @@ void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn) (TSTR("line %d delete of chunk %d" TENDSTR), lyn, chunkId)); if (markNAND && - bi->blockState != YAFFS_BLOCK_STATE_COLLECTING && !dev->isYaffs2) { + bi->blockState != YAFFS_BLOCK_STATE_COLLECTING && !dev->param.isYaffs2) { yaffs_InitialiseTags(&tags); @@ -3766,7 +3763,7 @@ static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode, (prevChunkId > 0) ? prevTags.serialNumber + 1 : 1; newTags.byteCount = nBytes; - if (nBytes < 1 || nBytes > dev->totalBytesPerChunk) { + if (nBytes < 1 || nBytes > dev->param.totalBytesPerChunk) { T(YAFFS_TRACE_ERROR, (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), nBytes)); YBUG(); @@ -3952,7 +3949,7 @@ int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force, /* If this was a shrink, then mark the block that the chunk lives on */ if (isShrink) { bi = yaffs_GetBlockInfo(in->myDev, - newChunkId / in->myDev->nChunksPerBlock); + newChunkId / in->myDev->param.nChunksPerBlock); bi->hasShrinkHeader = 1; } @@ -3986,7 +3983,7 @@ static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj) yaffs_Device *dev = obj->myDev; int i; yaffs_ChunkCache *cache; - int nCaches = obj->myDev->nShortOpCaches; + int nCaches = obj->myDev->param.nShortOpCaches; for (i = 0; i < nCaches; i++) { cache = &dev->srCache[i]; @@ -4006,7 +4003,7 @@ static void yaffs_FlushFilesChunkCache(yaffs_Object *obj) int i; yaffs_ChunkCache *cache; int chunkWritten = 0; - int nCaches = obj->myDev->nShortOpCaches; + int nCaches = obj->myDev->param.nShortOpCaches; if (nCaches > 0) { do { @@ -4058,7 +4055,7 @@ static void yaffs_FlushFilesChunkCache(yaffs_Object *obj) void yaffs_FlushEntireDeviceCache(yaffs_Device *dev) { yaffs_Object *obj; - int nCaches = dev->nShortOpCaches; + int nCaches = dev->param.nShortOpCaches; int i; /* Find a dirty object in the cache and flush it... @@ -4089,8 +4086,8 @@ static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device *dev) { int i; - if (dev->nShortOpCaches > 0) { - for (i = 0; i < dev->nShortOpCaches; i++) { + if (dev->param.nShortOpCaches > 0) { + for (i = 0; i < dev->param.nShortOpCaches; i++) { if (!dev->srCache[i].object) return &dev->srCache[i]; } @@ -4107,7 +4104,7 @@ static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev) int i; int pushout; - if (dev->nShortOpCaches > 0) { + if (dev->param.nShortOpCaches > 0) { /* Try find a non-dirty one... */ cache = yaffs_GrabChunkCacheWorker(dev); @@ -4126,7 +4123,7 @@ static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev) cache = NULL; pushout = -1; - for (i = 0; i < dev->nShortOpCaches; i++) { + for (i = 0; i < dev->param.nShortOpCaches; i++) { if (dev->srCache[i].object && !dev->srCache[i].locked && (dev->srCache[i].lastUse < usage || !cache)) { @@ -4156,8 +4153,8 @@ static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj, { yaffs_Device *dev = obj->myDev; int i; - if (dev->nShortOpCaches > 0) { - for (i = 0; i < dev->nShortOpCaches; i++) { + if (dev->param.nShortOpCaches > 0) { + for (i = 0; i < dev->param.nShortOpCaches; i++) { if (dev->srCache[i].object == obj && dev->srCache[i].chunkId == chunkId) { dev->cacheHits++; @@ -4174,11 +4171,11 @@ static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache, int isAWrite) { - if (dev->nShortOpCaches > 0) { + if (dev->param.nShortOpCaches > 0) { if (dev->srLastUse < 0 || dev->srLastUse > 100000000) { /* Reset the cache usages */ int i; - for (i = 1; i < dev->nShortOpCaches; i++) + for (i = 1; i < dev->param.nShortOpCaches; i++) dev->srCache[i].lastUse = 0; dev->srLastUse = 0; @@ -4199,7 +4196,7 @@ static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache, */ static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId) { - if (object->myDev->nShortOpCaches > 0) { + if (object->myDev->param.nShortOpCaches > 0) { yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId); if (cache) @@ -4215,9 +4212,9 @@ static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in) int i; yaffs_Device *dev = in->myDev; - if (dev->nShortOpCaches > 0) { + if (dev->param.nShortOpCaches > 0) { /* Invalidate it. */ - for (i = 0; i < dev->nShortOpCaches; i++) { + for (i = 0; i < dev->param.nShortOpCaches; i++) { if (dev->srCache[i].object == in) dev->srCache[i].object = NULL; } @@ -4649,7 +4646,7 @@ static int yaffs_WriteCheckpointData(yaffs_Device *dev) { int ok = 1; - if (dev->skipCheckpointWrite || !dev->isYaffs2) { + if (dev->param.skipCheckpointWrite || !dev->param.isYaffs2) { T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint write" TENDSTR))); ok = 0; } @@ -4692,7 +4689,7 @@ static int yaffs_ReadCheckpointData(yaffs_Device *dev) { int ok = 1; - if (dev->skipCheckpointRead || !dev->isYaffs2) { + if (dev->param.skipCheckpointRead || !dev->param.isYaffs2) { T(YAFFS_TRACE_CHECKPOINT, (TSTR("skipping checkpoint read" TENDSTR))); ok = 0; } @@ -4740,8 +4737,8 @@ static void yaffs_InvalidateCheckpoint(yaffs_Device *dev) dev->blocksInCheckpoint > 0) { dev->isCheckpointed = 0; yaffs_CheckpointInvalidateStream(dev); - if (dev->superBlock && dev->markSuperBlockDirty) - dev->markSuperBlockDirty(dev->superBlock); + if (dev->param.markSuperBlockDirty) + dev->param.markSuperBlockDirty(dev->context); } } @@ -4828,8 +4825,8 @@ int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset, * or we're using inband tags then use the cache (if there is caching) * else bypass the cache. */ - if (cache || nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) { - if (dev->nShortOpCaches > 0) { + if (cache || nToCopy != dev->nDataBytesPerChunk || dev->param.inbandTags) { + if (dev->param.nShortOpCaches > 0) { /* If we can't find the data in the cache, then load it up. */ @@ -4952,11 +4949,11 @@ int yaffs_WriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, nToWriteBack = dev->nDataBytesPerChunk; } - if (nToCopy != dev->nDataBytesPerChunk || dev->inbandTags) { + if (nToCopy != dev->nDataBytesPerChunk || dev->param.inbandTags) { /* An incomplete start or end chunk (or maybe both start and end chunk), * or we're using inband tags, so we want to use the cache buffers. */ - if (dev->nShortOpCaches > 0) { + if (dev->param.nShortOpCaches > 0) { yaffs_ChunkCache *cache; /* If we can't find the data in the cache, then load the cache */ cache = yaffs_FindChunkCache(in, chunk); @@ -5093,10 +5090,10 @@ static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize) chunkId = yaffs_FindAndDeleteChunkInFile(in, i, NULL); if (chunkId > 0) { if (chunkId < - (dev->internalStartBlock * dev->nChunksPerBlock) + (dev->internalStartBlock * dev->param.nChunksPerBlock) || chunkId >= ((dev->internalEndBlock + - 1) * dev->nChunksPerBlock)) { + 1) * dev->param.nChunksPerBlock)) { T(YAFFS_TRACE_ALWAYS, (TSTR("Found daft chunkId %d for %d" TENDSTR), chunkId, i)); @@ -5232,7 +5229,7 @@ static int yaffs_DoGenericObjectDeletion(yaffs_Object *in) /* First off, invalidate the file's data in the cache, without flushing. */ yaffs_InvalidateWholeChunkCache(in); - if (in->myDev->isYaffs2 && (in->parent != in->myDev->deletedDir)) { + if (in->myDev->param.isYaffs2 && (in->parent != in->myDev->deletedDir)) { /* Move to the unlinked directory so we have a record that it was deleted. */ yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0); @@ -5269,7 +5266,7 @@ static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in) in->objectId)); in->deleted = 1; in->myDev->nDeletedFiles++; - if (1 || in->myDev->isYaffs2) + if (1 || in->myDev->param.isYaffs2) yaffs_ResizeFile(in, 0); yaffs_SoftDeleteFile(in); } else { @@ -5770,7 +5767,7 @@ static int yaffs_Scan(yaffs_Device *dev) T(YAFFS_TRACE_SCAN_DEBUG, (TSTR("Block empty " TENDSTR))); dev->nErasedBlocks++; - dev->nFreeChunks += dev->nChunksPerBlock; + dev->nFreeChunks += dev->param.nChunksPerBlock; } } @@ -5793,10 +5790,10 @@ static int yaffs_Scan(yaffs_Device *dev) deleted = 0; /* For each chunk in each block that needs scanning....*/ - for (c = 0; !alloc_failed && c < dev->nChunksPerBlock && + for (c = 0; !alloc_failed && c < dev->param.nChunksPerBlock && state == YAFFS_BLOCK_STATE_NEEDS_SCANNING; c++) { /* Read the tags and decide what to do */ - chunk = blk * dev->nChunksPerBlock + c; + chunk = blk * dev->param.nChunksPerBlock + c; result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, NULL, &tags); @@ -5834,7 +5831,7 @@ static int yaffs_Scan(yaffs_Device *dev) } - dev->nFreeChunks += (dev->nChunksPerBlock - c); + dev->nFreeChunks += (dev->param.nChunksPerBlock - c); } else if (tags.chunkId > 0) { /* chunkId > 0 so it is a data chunk... */ unsigned int endpos; @@ -5867,7 +5864,7 @@ static int yaffs_Scan(yaffs_Device *dev) endpos) { in->variant.fileVariant. scannedFileSize = endpos; - if (!dev->useHeaderFileSize) { + if (!dev->param.useHeaderFileSize) { in->variant.fileVariant. fileSize = in->variant.fileVariant. @@ -6046,7 +6043,7 @@ static int yaffs_Scan(yaffs_Device *dev) /* Todo got a problem */ break; case YAFFS_OBJECT_TYPE_FILE: - if (dev->useHeaderFileSize) + if (dev->param.useHeaderFileSize) in->variant.fileVariant. fileSize = @@ -6237,7 +6234,7 @@ static int yaffs_ScanBackwards(yaffs_Device *dev) yaffs_BlockIndex *blockIndex = NULL; int altBlockIndex = 0; - if (!dev->isYaffs2) { + if (!dev->param.isYaffs2) { T(YAFFS_TRACE_SCAN, (TSTR("yaffs_ScanBackwards is only for YAFFS2!" TENDSTR))); return YAFFS_FAIL; @@ -6300,7 +6297,7 @@ static int yaffs_ScanBackwards(yaffs_Device *dev) T(YAFFS_TRACE_SCAN_DEBUG, (TSTR("Block empty " TENDSTR))); dev->nErasedBlocks++; - dev->nFreeChunks += dev->nChunksPerBlock; + dev->nFreeChunks += dev->param.nChunksPerBlock; } else if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) { /* Determine the highest sequence number */ @@ -6385,7 +6382,7 @@ static int yaffs_ScanBackwards(yaffs_Device *dev) /* For each chunk in each block that needs scanning.... */ foundChunksInBlock = 0; - for (c = dev->nChunksPerBlock - 1; + for (c = dev->param.nChunksPerBlock - 1; !alloc_failed && c >= 0 && (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING || state == YAFFS_BLOCK_STATE_ALLOCATING); c--) { @@ -6393,7 +6390,7 @@ static int yaffs_ScanBackwards(yaffs_Device *dev) * Read the tags and decide what to do */ - chunk = blk * dev->nChunksPerBlock + c; + chunk = blk * dev->param.nChunksPerBlock + c; result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, NULL, &tags); @@ -6528,7 +6525,7 @@ static int yaffs_ScanBackwards(yaffs_Device *dev) } if (!in || - (!in->valid && dev->disableLazyLoad) || + (!in->valid && dev->param.disableLazyLoad) || tags.extraShadows || (!in->valid && (tags.objectId == YAFFS_OBJECTID_ROOT || @@ -6546,7 +6543,7 @@ static int yaffs_ScanBackwards(yaffs_Device *dev) oh = (yaffs_ObjectHeader *) chunkData; - if (dev->inbandTags) { + if (dev->param.inbandTags) { /* Fix up the header if they got corrupted by inband tags */ oh->shadowsObject = oh->inbandShadowsObject; oh->isShrink = oh->inbandIsShrink; @@ -6975,8 +6972,8 @@ static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj) yaffs_VerifyDirectory(parent); - if (dev && dev->removeObjectCallback) - dev->removeObjectCallback(obj); + if (dev && dev->param.removeObjectCallback) + dev->param.removeObjectCallback(obj); ylist_del_init(&obj->siblings); @@ -7350,30 +7347,32 @@ static int yaffs_CheckDevFunctions(const yaffs_Device *dev) { /* Common functions, gotta have */ - if (!dev->eraseBlockInNAND || !dev->initialiseNAND) + if (!dev->param.eraseBlockInNAND || !dev->param.initialiseNAND) return 0; #ifdef CONFIG_YAFFS_YAFFS2 /* Can use the "with tags" style interface for yaffs1 or yaffs2 */ - if (dev->writeChunkWithTagsToNAND && - dev->readChunkWithTagsFromNAND && - !dev->writeChunkToNAND && - !dev->readChunkFromNAND && - dev->markNANDBlockBad && dev->queryNANDBlock) + if (dev->param.writeChunkWithTagsToNAND && + dev->param.readChunkWithTagsFromNAND && + !dev->param.writeChunkToNAND && + !dev->param.readChunkFromNAND && + dev->param.markNANDBlockBad && + dev->param.queryNANDBlock) return 1; #endif /* Can use the "spare" style interface for yaffs1 */ - if (!dev->isYaffs2 && - !dev->writeChunkWithTagsToNAND && - !dev->readChunkWithTagsFromNAND && - dev->writeChunkToNAND && - dev->readChunkFromNAND && - !dev->markNANDBlockBad && !dev->queryNANDBlock) + if (!dev->param.isYaffs2 && + !dev->param.writeChunkWithTagsToNAND && + !dev->param.readChunkWithTagsFromNAND && + dev->param.writeChunkToNAND && + dev->param.readChunkFromNAND && + !dev->param.markNANDBlockBad && + !dev->param.queryNANDBlock) return 1; - return 0; /* bad */ + return 0; /* bad */ } @@ -7420,35 +7419,35 @@ int yaffs_GutsInitialise(yaffs_Device *dev) return YAFFS_FAIL; } - dev->internalStartBlock = dev->startBlock; - dev->internalEndBlock = dev->endBlock; + dev->internalStartBlock = dev->param.startBlock; + dev->internalEndBlock = dev->param.endBlock; dev->blockOffset = 0; dev->chunkOffset = 0; dev->nFreeChunks = 0; dev->gcBlock = -1; - if (dev->startBlock == 0) { - dev->internalStartBlock = dev->startBlock + 1; - dev->internalEndBlock = dev->endBlock + 1; + if (dev->param.startBlock == 0) { + dev->internalStartBlock = dev->param.startBlock + 1; + dev->internalEndBlock = dev->param.endBlock + 1; dev->blockOffset = 1; - dev->chunkOffset = dev->nChunksPerBlock; + dev->chunkOffset = dev->param.nChunksPerBlock; } /* Check geometry parameters. */ - if ((!dev->inbandTags && dev->isYaffs2 && dev->totalBytesPerChunk < 1024) || - (!dev->isYaffs2 && dev->totalBytesPerChunk < 512) || - (dev->inbandTags && !dev->isYaffs2) || - dev->nChunksPerBlock < 2 || - dev->nReservedBlocks < 2 || + if ((!dev->param.inbandTags && dev->param.isYaffs2 && dev->param.totalBytesPerChunk < 1024) || + (!dev->param.isYaffs2 && dev->param.totalBytesPerChunk < 512) || + (dev->param.inbandTags && !dev->param.isYaffs2) || + dev->param.nChunksPerBlock < 2 || + dev->param.nReservedBlocks < 2 || dev->internalStartBlock <= 0 || dev->internalEndBlock <= 0 || - dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2)) { /* otherwise it is too small */ + dev->internalEndBlock <= (dev->internalStartBlock + dev->param.nReservedBlocks + 2)) { /* otherwise it is too small */ T(YAFFS_TRACE_ALWAYS, (TSTR ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inbandTags %d " - TENDSTR), dev->totalBytesPerChunk, dev->isYaffs2 ? "2" : "", dev->inbandTags)); + TENDSTR), dev->param.totalBytesPerChunk, dev->param.isYaffs2 ? "2" : "", dev->param.inbandTags)); return YAFFS_FAIL; } @@ -7459,10 +7458,10 @@ int yaffs_GutsInitialise(yaffs_Device *dev) } /* Sort out space for inband tags, if required */ - if (dev->inbandTags) - dev->nDataBytesPerChunk = dev->totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart); + if (dev->param.inbandTags) + dev->nDataBytesPerChunk = dev->param.totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart); else - dev->nDataBytesPerChunk = dev->totalBytesPerChunk; + dev->nDataBytesPerChunk = dev->param.totalBytesPerChunk; /* Got the right mix of functions? */ if (!yaffs_CheckDevFunctions(dev)) { @@ -7509,12 +7508,12 @@ int yaffs_GutsInitialise(yaffs_Device *dev) * We need to find the next power of 2 > than internalEndBlock */ - x = dev->nChunksPerBlock * (dev->internalEndBlock + 1); + x = dev->param.nChunksPerBlock * (dev->internalEndBlock + 1); bits = ShiftsGE(x); /* Set up tnode width if wide tnodes are enabled. */ - if (!dev->wideTnodesDisabled) { + if (!dev->param.wideTnodesDisabled) { /* bits must be even so that we end up with 32-bit words */ if (bits & 1) bits++; @@ -7541,7 +7540,7 @@ int yaffs_GutsInitialise(yaffs_Device *dev) dev->chunkGroupSize = 1 << dev->chunkGroupBits; - if (dev->nChunksPerBlock < dev->chunkGroupSize) { + if (dev->param.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". @@ -7581,13 +7580,13 @@ int yaffs_GutsInitialise(yaffs_Device *dev) if (!init_failed && - dev->nShortOpCaches > 0) { + dev->param.nShortOpCaches > 0) { int i; void *buf; - int srCacheBytes = dev->nShortOpCaches * sizeof(yaffs_ChunkCache); + int srCacheBytes = dev->param.nShortOpCaches * sizeof(yaffs_ChunkCache); - if (dev->nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES) - dev->nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES; + if (dev->param.nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES) + dev->param.nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES; dev->srCache = YMALLOC(srCacheBytes); @@ -7596,11 +7595,11 @@ int yaffs_GutsInitialise(yaffs_Device *dev) if (dev->srCache) memset(dev->srCache, 0, srCacheBytes); - for (i = 0; i < dev->nShortOpCaches && buf; i++) { + for (i = 0; i < dev->param.nShortOpCaches && buf; i++) { dev->srCache[i].object = NULL; dev->srCache[i].lastUse = 0; dev->srCache[i].dirty = 0; - dev->srCache[i].data = buf = YMALLOC_DMA(dev->totalBytesPerChunk); + dev->srCache[i].data = buf = YMALLOC_DMA(dev->param.totalBytesPerChunk); } if (!buf) init_failed = 1; @@ -7611,13 +7610,13 @@ int yaffs_GutsInitialise(yaffs_Device *dev) dev->cacheHits = 0; if (!init_failed) { - dev->gcCleanupList = YMALLOC(dev->nChunksPerBlock * sizeof(__u32)); + dev->gcCleanupList = YMALLOC(dev->param.nChunksPerBlock * sizeof(__u32)); if (!dev->gcCleanupList) init_failed = 1; } - if (dev->isYaffs2) - dev->useHeaderFileSize = 1; + if (dev->param.isYaffs2) + dev->param.useHeaderFileSize = 1; if (!init_failed && !yaffs_InitialiseBlocks(dev)) init_failed = 1; @@ -7631,7 +7630,7 @@ int yaffs_GutsInitialise(yaffs_Device *dev) if (!init_failed) { /* Now scan the flash. */ - if (dev->isYaffs2) { + if (dev->param.isYaffs2) { if (yaffs_CheckpointRestore(dev)) { yaffs_CheckObjectDetailsLoaded(dev->rootDir); T(YAFFS_TRACE_ALWAYS, @@ -7672,7 +7671,7 @@ int yaffs_GutsInitialise(yaffs_Device *dev) yaffs_StripDeletedObjects(dev); yaffs_FixHangingObjects(dev); - if(dev->emptyLostAndFound) + if(dev->param.emptyLostAndFound) yaffs_EmptyLostAndFound(dev); } @@ -7715,10 +7714,10 @@ void yaffs_Deinitialise(yaffs_Device *dev) yaffs_DeinitialiseBlocks(dev); yaffs_DeinitialiseTnodes(dev); yaffs_DeinitialiseObjects(dev); - if (dev->nShortOpCaches > 0 && + if (dev->param.nShortOpCaches > 0 && dev->srCache) { - for (i = 0; i < dev->nShortOpCaches; i++) { + for (i = 0; i < dev->param.nShortOpCaches; i++) { if (dev->srCache[i].data) YFREE(dev->srCache[i].data); dev->srCache[i].data = NULL; @@ -7735,8 +7734,8 @@ void yaffs_Deinitialise(yaffs_Device *dev) dev->isMounted = 0; - if (dev->deinitialiseNAND) - dev->deinitialiseNAND(dev); + if (dev->param.deinitialiseNAND) + dev->param.deinitialiseNAND(dev); } } @@ -7757,7 +7756,7 @@ static int yaffs_CountFreeChunks(yaffs_Device *dev) case YAFFS_BLOCK_STATE_COLLECTING: case YAFFS_BLOCK_STATE_FULL: nFree += - (dev->nChunksPerBlock - blk->pagesInUse + + (dev->param.nChunksPerBlock - blk->pagesInUse + blk->softDeletions); break; default: @@ -7787,21 +7786,21 @@ int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev) /* Now count the number of dirty chunks in the cache and subtract those */ - for (nDirtyCacheChunks = 0, i = 0; i < dev->nShortOpCaches; i++) { + for (nDirtyCacheChunks = 0, i = 0; i < dev->param.nShortOpCaches; i++) { if (dev->srCache[i].dirty) nDirtyCacheChunks++; } nFree -= nDirtyCacheChunks; - nFree -= ((dev->nReservedBlocks + 1) * dev->nChunksPerBlock); + nFree -= ((dev->param.nReservedBlocks + 1) * dev->param.nChunksPerBlock); /* Now we figure out how much to reserve for the checkpoint and report that... */ blocksForCheckpoint = yaffs_CalcCheckpointBlocksRequired(dev) - dev->blocksInCheckpoint; if (blocksForCheckpoint < 0) blocksForCheckpoint = 0; - nFree -= (blocksForCheckpoint * dev->nChunksPerBlock); + nFree -= (blocksForCheckpoint * dev->param.nChunksPerBlock); if (nFree < 0) nFree = 0; diff --git a/yaffs_guts.h b/yaffs_guts.h index 55395dc..53ab280 100644 --- a/yaffs_guts.h +++ b/yaffs_guts.h @@ -81,12 +81,11 @@ #define YAFFS_OBJECTID_UNLINKED 3 #define YAFFS_OBJECTID_DELETED 4 -/* Sseudo object ids for checkpointing */ +/* Pseudo object ids for checkpointing */ #define YAFFS_OBJECTID_SB_HEADER 0x10 #define YAFFS_OBJECTID_CHECKPOINT_DATA 0x20 #define YAFFS_SEQUENCE_CHECKPOINT_DATA 0x21 -/* */ #define YAFFS_MAX_SHORT_OP_CACHES 20 @@ -119,11 +118,7 @@ typedef struct { int dirty; int nBytes; /* Only valid if the cache is dirty */ int locked; /* Can't push out or flush while locked. */ -#ifdef CONFIG_YAFFS_YAFFS2 __u8 *data; -#else - __u8 data[YAFFS_BYTES_PER_CHUNK]; -#endif } yaffs_ChunkCache; @@ -234,6 +229,8 @@ typedef enum { YAFFS_BLOCK_STATE_UNKNOWN = 0, YAFFS_BLOCK_STATE_SCANNING, + /* Being scanned */ + YAFFS_BLOCK_STATE_NEEDS_SCANNING, /* The block might have something on it (ie it is allocating or full, perhaps empty) * but it needs to be scanned to determine its true state. @@ -249,21 +246,23 @@ typedef enum { /* This block is partially allocated. * At least one page holds valid data. * This is the one currently being used for page - * allocation. Should never be more than one of these + * allocation. Should never be more than one of these. + * If a block is only partially allocated at mount it is treated as full. */ YAFFS_BLOCK_STATE_FULL, /* All the pages in this block have been allocated. + * If a block was only partially allocated when mounted we treat + * it as fully allocated. */ YAFFS_BLOCK_STATE_DIRTY, - /* All pages have been allocated and deleted. + /* The block was full and now all chunks have been deleted. * Erase me, reuse me. */ YAFFS_BLOCK_STATE_CHECKPOINT, - /* This block is assigned to holding checkpoint data. - */ + /* This block is assigned to holding checkpoint data. */ YAFFS_BLOCK_STATE_COLLECTING, /* This block is being garbage collected */ @@ -528,12 +527,17 @@ typedef struct { /*----------------- Device ---------------------------------*/ -struct yaffs_DeviceStruct { - struct ylist_head devList; +struct yaffs_DeviceParamStruct { const char *name; - /* Entry parameters set up way early. Yaffs sets up the rest.*/ - int nDataBytesPerChunk; /* Should be a power of 2 >= 512 */ + /* + * Entry parameters set up way early. Yaffs sets up the rest. + * The structure should be zeroed out before use so that unused + * and defualt values are zero. + */ + + int inbandTags; /* Use unband tags */ + __u32 totalBytesPerChunk; /* Should be >= 512, does not need to be a power of 2 */ int nChunksPerBlock; /* does not need to be a power of 2 */ int spareBytesPerChunk; /* spare area size */ int startBlock; /* Start block we're allowed to use */ @@ -542,27 +546,20 @@ struct yaffs_DeviceStruct { /* reserved blocks on NOR and RAM. */ - /* Stuff used by the shared space checkpointing mechanism */ - /* If this value is zero, then this mechanism is disabled */ - -/* int nCheckpointReservedBlocks; */ /* Blocks to reserve for checkpoint data */ - - int nShortOpCaches; /* If <= 0, then short op caching is disabled, else - * the number of short op caches (don't use too many) + * the number of short op caches (don't use too many). + * 10 to 20 is a good bet. */ - - int useHeaderFileSize; /* Flag to determine if we should use file sizes from the header */ - int useNANDECC; /* Flag to decide whether or not to use NANDECC on data (yaffs1) */ int noTagsECC; /* Flag to decide whether or not to do ECC on packed tags (yaffs2) */ - - int disableLazyLoad; /* Disable lazy loading on this device */ - void *genericDevice; /* Pointer to device context - * On an mtd this holds the mtd pointer. - */ - void *superBlock; + int isYaffs2; /* Use yaffs2 mode on this device */ + + int emptyLostAndFound; /* Auto-empty lost+found directory on mount */ + + /* Checkpoint control. Can be set before or after initialisation */ + __u8 skipCheckpointRead; + __u8 skipCheckpointWrite; /* NAND access functions (Must be set before calling YAFFS)*/ @@ -589,8 +586,6 @@ struct yaffs_DeviceStruct { yaffs_BlockState *state, __u32 *sequenceNumber); #endif - int isYaffs2; - /* The removeObjectCallback function must be supplied by OS flavours that * need it. * yaffs direct uses it to implement the faster readdir. @@ -598,23 +593,37 @@ struct yaffs_DeviceStruct { */ void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj); - /* Callback to mark the superblock dirsty */ - void (*markSuperBlockDirty)(void *superblock); + /* Callback to mark the superblock dirty */ + void (*markSuperBlockDirty)(struct yaffs_DeviceStruct *dev); + /* Debug control flags. Don't use unless you know what you're doing */ + int useHeaderFileSize; /* Flag to determine if we should use file sizes from the header */ + int disableLazyLoad; /* Disable lazy loading on this device */ int wideTnodesDisabled; /* Set to disable wide tnodes */ YCHAR *pathDividers; /* String of legal path dividers */ + /* End of stuff that must be set before initialisation. */ +}; - /* Checkpoint control. Can be set before or after initialisation */ - __u8 skipCheckpointRead; - __u8 skipCheckpointWrite; +typedef struct yaffs_DeviceParamStruct yaffs_DeviceParam; + +struct yaffs_DeviceStruct { + struct yaffs_DeviceParamStruct param; + + /* Context storage. Holds extra OS specific data for this device */ + + void *context; /* Runtime parameters. Set up by YAFFS. */ + int nDataBytesPerChunk; - __u16 chunkGroupBits; /* 0 for devices <= 32MB. else log2(nchunks) - 16 */ + /* Non-wide tnode stuff */ + __u16 chunkGroupBits; /* Number of bits that need to be resolved if + * the tnodes are not wide enough. + */ __u16 chunkGroupSize; /* == 2^^chunkGroupBits */ /* Stuff to support wide tnodes */ @@ -626,27 +635,10 @@ struct yaffs_DeviceStruct { __u32 chunkDiv; /* Divisor after shifting: 1 for power-of-2 sizes */ __u32 chunkMask; /* Mask to use for power-of-2 case */ - /* Stuff to handle inband tags */ - int inbandTags; - __u32 totalBytesPerChunk; - -#ifdef __KERNEL__ - struct semaphore sem; /* Semaphore for waiting on erasure.*/ - struct semaphore grossLock; /* Gross locking semaphore */ - struct rw_semaphore dirLock; /* Lock the directory structure */ - __u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer - * at compile time so we have to allocate it. - - */ - void (*putSuperFunc) (struct super_block *sb); - struct ylist_head searchContexts; - -#endif int isMounted; int readOnly; - int isCheckpointed; @@ -688,7 +680,6 @@ struct yaffs_DeviceStruct { __u32 allocationPage; int allocationBlockFinder; /* Used to search for next allocation block */ - /* Runtime state */ int nTnodesCreated; yaffs_Tnode *freeTnodes; int nFreeTnodes; @@ -715,23 +706,6 @@ struct yaffs_DeviceStruct { __u32 *gcCleanupList; /* objects to delete at the end of a GC. */ int nonAggressiveSkip; /* GC state/mode */ - /* Statistcs */ - int nPageWrites; - int nPageReads; - int nBlockErasures; - int nErasureFailures; - int nGCCopies; - int garbageCollections; - int passiveGarbageCollections; - int nRetriedWrites; - int nRetiredBlocks; - int eccFixed; - int eccUnfixed; - int tagsEccFixed; - int tagsEccUnfixed; - int nDeletions; - int nUnmarkedDeletions; - int hasPendingPrioritisedGCs; /* We think this device might have pending prioritised gcs */ /* Special directories */ @@ -771,8 +745,23 @@ struct yaffs_DeviceStruct { unsigned sequenceNumber; /* Sequence number of currently allocating block */ unsigned oldestDirtySequence; - /* Auto empty lost and found directory on mount */ - int emptyLostAndFound; + + /* Statistcs */ + int nPageWrites; + int nPageReads; + int nBlockErasures; + int nErasureFailures; + int nGCCopies; + int garbageCollections; + int passiveGarbageCollections; + int nRetriedWrites; + int nRetiredBlocks; + int eccFixed; + int eccUnfixed; + int tagsEccFixed; + int tagsEccUnfixed; + int nDeletions; + int nUnmarkedDeletions; }; typedef struct yaffs_DeviceStruct yaffs_Device; @@ -891,10 +880,7 @@ yaffs_Object *yaffs_LostNFound(yaffs_Device *dev); void yfsd_WinFileTimeNow(__u32 target[2]); #endif -#ifdef __KERNEL__ - void yaffs_HandleDeferedFree(yaffs_Object *obj); -#endif /* Debug dump */ int yaffs_DumpObject(yaffs_Object *obj); diff --git a/yaffs_mtdif.c b/yaffs_mtdif.c index 306e188..25d92ed 100644 --- a/yaffs_mtdif.c +++ b/yaffs_mtdif.c @@ -12,7 +12,7 @@ */ const char *yaffs_mtdif_c_version = - "$Id: yaffs_mtdif.c,v 1.22 2009-03-06 17:20:51 wookey Exp $"; + "$Id: yaffs_mtdif.c,v 1.23 2010-02-18 01:18:04 charles Exp $"; #include "yportenv.h" @@ -24,6 +24,8 @@ const char *yaffs_mtdif_c_version = #include "linux/time.h" #include "linux/mtd/nand.h" +#include "yaffs_linux.h" + #if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18)) static struct nand_oobinfo yaffs_oobinfo = { .useecc = 1, @@ -74,7 +76,7 @@ static inline void translate_oob2spare(yaffs_Spare *spare, __u8 *oob) int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND, const __u8 *data, const yaffs_Spare *spare) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) struct mtd_oob_ops ops; #endif @@ -89,7 +91,7 @@ int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND, retval = mtd->write(mtd, addr, dev->nDataBytesPerChunk, &dummy, data); else if (spare) { - if (dev->useNANDECC) { + if (dev->param.useNANDECC) { translate_spare2oob(spare, spareAsBytes); ops.mode = MTD_OOB_AUTO; ops.ooblen = 8; /* temp hack */ @@ -107,7 +109,7 @@ int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND, __u8 *spareAsBytes = (__u8 *) spare; if (data && spare) { - if (dev->useNANDECC) + if (dev->param.useNANDECC) retval = mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk, &dummy, data, spareAsBytes, @@ -138,7 +140,7 @@ int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND, int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data, yaffs_Spare *spare) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) struct mtd_oob_ops ops; #endif @@ -153,7 +155,7 @@ int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data, retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy, data); else if (spare) { - if (dev->useNANDECC) { + if (dev->param.useNANDECC) { ops.mode = MTD_OOB_AUTO; ops.ooblen = 8; /* temp hack */ } else { @@ -165,14 +167,14 @@ int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data, ops.ooboffs = 0; ops.oobbuf = spareAsBytes; retval = mtd->read_oob(mtd, addr, &ops); - if (dev->useNANDECC) + if (dev->param.useNANDECC) translate_oob2spare(spare, spareAsBytes); } #else __u8 *spareAsBytes = (__u8 *) spare; if (data && spare) { - if (dev->useNANDECC) { + if (dev->param.useNANDECC) { /* Careful, this call adds 2 ints */ /* to the end of the spare data. Calling function */ /* should allocate enough memory for spare, */ @@ -207,25 +209,22 @@ int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data, int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; __u32 addr = ((loff_t) blockNumber) * dev->nDataBytesPerChunk - * dev->nChunksPerBlock; + * dev->param.nChunksPerBlock; struct erase_info ei; + int retval = 0; ei.mtd = mtd; ei.addr = addr; - ei.len = dev->nDataBytesPerChunk * dev->nChunksPerBlock; + ei.len = dev->nDataBytesPerChunk * dev->param.nChunksPerBlock; ei.time = 1000; ei.retries = 2; ei.callback = NULL; ei.priv = (u_long) dev; - /* Todo finish off the ei if required */ - - sema_init(&dev->sem, 0); - retval = mtd->erase(mtd, &ei); if (retval == 0) diff --git a/yaffs_mtdif1.c b/yaffs_mtdif1.c index 990e0fb..16171e0 100644 --- a/yaffs_mtdif1.c +++ b/yaffs_mtdif1.c @@ -28,6 +28,7 @@ #include "yaffs_guts.h" #include "yaffs_packedtags1.h" #include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */ +#include "yaffs_linux.h" #include "linux/kernel.h" #include "linux/version.h" @@ -37,7 +38,7 @@ /* Don't compile this module if we don't have MTD's mtd_oob_ops interface */ #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) -const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.12 2010-01-11 04:06:46 charles Exp $"; +const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.13 2010-02-18 01:18:04 charles Exp $"; #ifndef CONFIG_YAFFS_9BYTE_TAGS # define YTAG1_SIZE 8 @@ -92,7 +93,7 @@ static struct nand_ecclayout nand_oob_16 = { int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags) { - struct mtd_info *mtd = dev->genericDevice; + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; int chunkBytes = dev->nDataBytesPerChunk; loff_t addr = ((loff_t)chunkInNAND) * chunkBytes; struct mtd_oob_ops ops; @@ -170,7 +171,7 @@ static int rettags(yaffs_ExtendedTags *etags, int eccResult, int retval) int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags) { - struct mtd_info *mtd = dev->genericDevice; + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; int chunkBytes = dev->nDataBytesPerChunk; loff_t addr = ((loff_t)chunkInNAND) * chunkBytes; int eccres = YAFFS_ECC_RESULT_NO_ERROR; @@ -281,8 +282,8 @@ int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev, */ int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) { - struct mtd_info *mtd = dev->genericDevice; - int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk; + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; + int blocksize = dev->param.nChunksPerBlock * dev->nDataBytesPerChunk; int retval; yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad\n", blockNo); @@ -322,8 +323,8 @@ static int nandmtd1_TestPrerequists(struct mtd_info *mtd) int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_BlockState *pState, __u32 *pSequenceNumber) { - struct mtd_info *mtd = dev->genericDevice; - int chunkNo = blockNo * dev->nChunksPerBlock; + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; + int chunkNo = blockNo * dev->param.nChunksPerBlock; loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk; yaffs_ExtendedTags etags; int state = YAFFS_BLOCK_STATE_DEAD; diff --git a/yaffs_mtdif2.c b/yaffs_mtdif2.c index e6b08e4..8cbe19f 100644 --- a/yaffs_mtdif2.c +++ b/yaffs_mtdif2.c @@ -14,7 +14,7 @@ /* mtd interface for YAFFS2 */ const char *yaffs_mtdif2_c_version = - "$Id: yaffs_mtdif2.c,v 1.26 2010-01-11 21:43:18 charles Exp $"; + "$Id: yaffs_mtdif2.c,v 1.27 2010-02-18 01:18:04 charles Exp $"; #include "yportenv.h" #include "yaffs_trace.h" @@ -27,6 +27,8 @@ const char *yaffs_mtdif2_c_version = #include "yaffs_packedtags2.h" +#include "yaffs_linux.h" + /* NB For use with inband tags.... * We assume that the data buffer is of size totalBytersPerChunk so that we can also * use it to load the tags. @@ -35,7 +37,7 @@ int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *tags) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) struct mtd_oob_ops ops; #else @@ -47,8 +49,8 @@ int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, yaffs_PackedTags2 pt; - int packed_tags_size = dev->noTagsECC ? sizeof(pt.t) : sizeof(pt); - void * packed_tags_ptr = dev->noTagsECC ? (void *) &pt.t : (void *)&pt; + int packed_tags_size = dev->param.noTagsECC ? sizeof(pt.t) : sizeof(pt); + void * packed_tags_ptr = dev->param.noTagsECC ? (void *) &pt.t : (void *)&pt; T(YAFFS_TRACE_MTD, (TSTR @@ -56,7 +58,7 @@ int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, TENDSTR), chunkInNAND, data, tags)); - addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk; + addr = ((loff_t) chunkInNAND) * dev->param.totalBytesPerChunk; /* For yaffs2 writing there must be both data and tags. * If we're using inband tags, then the tags are stuffed into @@ -64,30 +66,30 @@ int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, */ if (!data || !tags) BUG(); - else if (dev->inbandTags) { + else if (dev->param.inbandTags) { yaffs_PackedTags2TagsPart *pt2tp; pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk); yaffs_PackTags2TagsPart(pt2tp, tags); } else - yaffs_PackTags2(&pt, tags, !dev->noTagsECC); + yaffs_PackTags2(&pt, tags, !dev->param.noTagsECC); #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ops.mode = MTD_OOB_AUTO; - ops.ooblen = (dev->inbandTags) ? 0 : packed_tags_size; - ops.len = dev->totalBytesPerChunk; + ops.ooblen = (dev->param.inbandTags) ? 0 : packed_tags_size; + ops.len = dev->param.totalBytesPerChunk; ops.ooboffs = 0; ops.datbuf = (__u8 *)data; - ops.oobbuf = (dev->inbandTags) ? NULL : packed_tags_ptr; + ops.oobbuf = (dev->param.inbandTags) ? NULL : packed_tags_ptr; retval = mtd->write_oob(mtd, addr, &ops); #else - if (!dev->inbandTags) { + if (!dev->param.inbandTags) { retval = mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk, &dummy, data, (__u8 *) packed_tags_ptr, NULL); } else { retval = - mtd->write(mtd, addr, dev->totalBytesPerChunk, &dummy, + mtd->write(mtd, addr, dev->param.totalBytesPerChunk, &dummy, data); } #endif @@ -101,7 +103,7 @@ int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) struct mtd_oob_ops ops; #endif @@ -109,19 +111,19 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, int retval = 0; int localData = 0; - loff_t addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk; + loff_t addr = ((loff_t) chunkInNAND) * dev->param.totalBytesPerChunk; yaffs_PackedTags2 pt; - int packed_tags_size = dev->noTagsECC ? sizeof(pt.t) : sizeof(pt); - void * packed_tags_ptr = dev->noTagsECC ? (void *) &pt.t: (void *)&pt; + int packed_tags_size = dev->param.noTagsECC ? sizeof(pt.t) : sizeof(pt); + void * packed_tags_ptr = dev->param.noTagsECC ? (void *) &pt.t: (void *)&pt; T(YAFFS_TRACE_MTD, (TSTR ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p" TENDSTR), chunkInNAND, data, tags)); - if (dev->inbandTags) { + if (dev->param.inbandTags) { if (!data) { localData = 1; @@ -133,8 +135,8 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) - if (dev->inbandTags || (data && !tags)) - retval = mtd->read(mtd, addr, dev->totalBytesPerChunk, + if (dev->param.inbandTags || (data && !tags)) + retval = mtd->read(mtd, addr, dev->param.totalBytesPerChunk, &dummy, data); else if (tags) { ops.mode = MTD_OOB_AUTO; @@ -142,11 +144,11 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, ops.len = data ? dev->nDataBytesPerChunk : packed_tags_size; ops.ooboffs = 0; ops.datbuf = data; - ops.oobbuf = dev->spareBuffer; + ops.oobbuf = yaffs_DeviceToContext(dev)->spareBuffer; retval = mtd->read_oob(mtd, addr, &ops); } #else - if (!dev->inbandTags && data && tags) { + if (!dev->param.inbandTags && data && tags) { retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk, &dummy, data, dev->spareBuffer, @@ -156,7 +158,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy, data); - if (!dev->inbandTags && tags) + if (!dev->param.inbandTags && tags) retval = mtd->read_oob(mtd, addr, mtd->oobsize, &dummy, dev->spareBuffer); @@ -164,7 +166,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, #endif - if (dev->inbandTags) { + if (dev->param.inbandTags) { if (tags) { yaffs_PackedTags2TagsPart *pt2tp; pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk]; @@ -172,8 +174,8 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, } } else { if (tags) { - memcpy(packed_tags_ptr, dev->spareBuffer, packed_tags_size); - yaffs_UnpackTags2(tags, &pt, !dev->noTagsECC); + memcpy(packed_tags_ptr, yaffs_DeviceToContext(dev)->spareBuffer, packed_tags_size); + yaffs_UnpackTags2(tags, &pt, !dev->param.noTagsECC); } } @@ -190,15 +192,15 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; int retval; T(YAFFS_TRACE_MTD, (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), blockNo)); retval = mtd->block_markbad(mtd, - blockNo * dev->nChunksPerBlock * - dev->totalBytesPerChunk); + blockNo * dev->param.nChunksPerBlock * + dev->param.totalBytesPerChunk); if (retval == 0) return YAFFS_OK; @@ -210,15 +212,15 @@ int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_BlockState *state, __u32 *sequenceNumber) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd; int retval; T(YAFFS_TRACE_MTD, (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), blockNo)); retval = mtd->block_isbad(mtd, - blockNo * dev->nChunksPerBlock * - dev->totalBytesPerChunk); + blockNo * dev->param.nChunksPerBlock * + dev->param.totalBytesPerChunk); if (retval) { T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR))); @@ -229,7 +231,7 @@ int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_ExtendedTags t; nandmtd2_ReadChunkWithTagsFromNAND(dev, blockNo * - dev->nChunksPerBlock, NULL, + dev->param.nChunksPerBlock, NULL, &t); if (t.chunkUsed) { diff --git a/yaffs_nand.c b/yaffs_nand.c index 0a76ca0..9622c66 100644 --- a/yaffs_nand.c +++ b/yaffs_nand.c @@ -12,7 +12,7 @@ */ const char *yaffs_nand_c_version = - "$Id: yaffs_nand.c,v 1.11 2009-09-09 03:03:01 charles Exp $"; + "$Id: yaffs_nand.c,v 1.12 2010-02-18 01:18:04 charles Exp $"; #include "yaffs_nand.h" #include "yaffs_tagscompat.h" @@ -35,8 +35,8 @@ int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, if (!tags) tags = &localTags; - if (dev->readChunkWithTagsFromNAND) - result = dev->readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer, + if (dev->param.readChunkWithTagsFromNAND) + result = dev->param.readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer, tags); else result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev, @@ -46,7 +46,7 @@ int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, if (tags && tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) { - yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock); + yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->param.nChunksPerBlock); yaffs_HandleChunkError(dev, bi); } @@ -80,8 +80,8 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev, YBUG(); } - if (dev->writeChunkWithTagsToNAND) - return dev->writeChunkWithTagsToNAND(dev, chunkInNAND, buffer, + if (dev->param.writeChunkWithTagsToNAND) + return dev->param.writeChunkWithTagsToNAND(dev, chunkInNAND, buffer, tags); else return yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(dev, @@ -95,8 +95,8 @@ int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo) blockNo -= dev->blockOffset; - if (dev->markNANDBlockBad) - return dev->markNANDBlockBad(dev, blockNo); + if (dev->param.markNANDBlockBad) + return dev->param.markNANDBlockBad(dev, blockNo); else return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo); } @@ -108,8 +108,8 @@ int yaffs_QueryInitialBlockState(yaffs_Device *dev, { blockNo -= dev->blockOffset; - if (dev->queryNANDBlock) - return dev->queryNANDBlock(dev, blockNo, state, sequenceNumber); + if (dev->param.queryNANDBlock) + return dev->param.queryNANDBlock(dev, blockNo, state, sequenceNumber); else return yaffs_TagsCompatabilityQueryNANDBlock(dev, blockNo, state, @@ -126,14 +126,15 @@ int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, dev->nBlockErasures++; - result = dev->eraseBlockInNAND(dev, blockInNAND); + result = dev->param.eraseBlockInNAND(dev, blockInNAND); return result; } int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev) { - return dev->initialiseNAND(dev); + if(dev->param.initialiseNAND) + return dev->param.initialiseNAND(dev); } diff --git a/yaffs_tagscompat.c b/yaffs_tagscompat.c index 020eee5..1ab054f 100644 --- a/yaffs_tagscompat.c +++ b/yaffs_tagscompat.c @@ -164,14 +164,14 @@ static int yaffs_WriteChunkToNAND(struct yaffs_DeviceStruct *dev, int chunkInNAND, const __u8 *data, yaffs_Spare *spare) { - if (chunkInNAND < dev->startBlock * dev->nChunksPerBlock) { + if (chunkInNAND < dev->param.startBlock * dev->param.nChunksPerBlock) { T(YAFFS_TRACE_ERROR, (TSTR("**>> yaffs chunk %d is not valid" TENDSTR), chunkInNAND)); return YAFFS_FAIL; } - return dev->writeChunkToNAND(dev, chunkInNAND, data, spare); + return dev->param.writeChunkToNAND(dev, chunkInNAND, data, spare); } static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev, @@ -190,8 +190,8 @@ static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev, spare = &localSpare; } - if (!dev->useNANDECC) { - retVal = dev->readChunkFromNAND(dev, chunkInNAND, data, spare); + if (!dev->param.useNANDECC) { + retVal = dev->param.readChunkFromNAND(dev, chunkInNAND, data, spare); if (data && doErrorCorrection) { /* Do ECC correction */ /* Todo handle any errors */ @@ -252,7 +252,7 @@ static int yaffs_ReadChunkFromNAND(struct yaffs_DeviceStruct *dev, memset(&nspare, 0, sizeof(nspare)); - retVal = dev->readChunkFromNAND(dev, chunkInNAND, data, + retVal = dev->param.readChunkFromNAND(dev, chunkInNAND, data, (yaffs_Spare *) &nspare); memcpy(spare, &nspare, sizeof(yaffs_Spare)); if (data && doErrorCorrection) { @@ -305,10 +305,10 @@ static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, static __u8 cmpbuf[YAFFS_BYTES_PER_CHUNK]; static __u8 data[YAFFS_BYTES_PER_CHUNK]; /* Might as well always allocate the larger size for */ - /* dev->useNANDECC == true; */ + /* dev->param.useNANDECC == true; */ static __u8 spare[sizeof(struct yaffs_NANDSpare)]; - dev->readChunkFromNAND(dev, chunkInNAND, data, (yaffs_Spare *) spare); + dev->param.readChunkFromNAND(dev, chunkInNAND, data, (yaffs_Spare *) spare); if (!init) { memset(cmpbuf, 0xff, YAFFS_BYTES_PER_CHUNK); @@ -331,7 +331,7 @@ static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, static void yaffs_HandleReadDataError(yaffs_Device *dev, int chunkInNAND) { - int blockInNAND = chunkInNAND / dev->nChunksPerBlock; + int blockInNAND = chunkInNAND / dev->param.nChunksPerBlock; /* Mark the block for retirement */ yaffs_GetBlockInfo(dev, blockInNAND + dev->blockOffset)->needsRetiring = 1; @@ -363,7 +363,7 @@ static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND) { - int blockInNAND = chunkInNAND / dev->nChunksPerBlock; + int blockInNAND = chunkInNAND / dev->param.nChunksPerBlock; /* Mark the block for retirement */ yaffs_GetBlockInfo(dev, blockInNAND)->needsRetiring = 1; @@ -422,7 +422,7 @@ int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device *dev, tags.serialNumber = eTags->serialNumber; - if (!dev->useNANDECC && data) + if (!dev->param.useNANDECC && data) yaffs_CalcECC(data, &spare); yaffs_LoadTagsIntoSpare(&spare, &tags); @@ -496,9 +496,9 @@ int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev, spare.blockStatus = 'Y'; - yaffs_WriteChunkToNAND(dev, blockInNAND * dev->nChunksPerBlock, NULL, + yaffs_WriteChunkToNAND(dev, blockInNAND * dev->param.nChunksPerBlock, NULL, &spare); - yaffs_WriteChunkToNAND(dev, blockInNAND * dev->nChunksPerBlock + 1, + yaffs_WriteChunkToNAND(dev, blockInNAND * dev->param.nChunksPerBlock + 1, NULL, &spare); return YAFFS_OK; @@ -523,9 +523,9 @@ int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev, *sequenceNumber = 0; - yaffs_ReadChunkFromNAND(dev, blockNo * dev->nChunksPerBlock, NULL, + yaffs_ReadChunkFromNAND(dev, blockNo * dev->param.nChunksPerBlock, NULL, &spare0, &dummy, 1); - yaffs_ReadChunkFromNAND(dev, blockNo * dev->nChunksPerBlock + 1, NULL, + yaffs_ReadChunkFromNAND(dev, blockNo * dev->param.nChunksPerBlock + 1, NULL, &spare1, &dummy, 1); if (yaffs_CountBits(spare0.blockStatus & spare1.blockStatus) < 7) -- 2.30.2