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| author | Gabor Juhos <juhosg@openwrt.org> | 2008-05-28 07:31:26 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2008-05-28 07:31:26 +0000 |
| commit | 15dd4cdcd2c1ae4f5fb2ee52678724eccaa46021 (patch) | |
| tree | 789842eedad6b065fd85fe7bca8c050218f4e42b /target | |
| parent | 3f229c34150fe76cfd118d5c8923f074fa74fb78 (diff) | |
| download | upstream-15dd4cdcd2c1ae4f5fb2ee52678724eccaa46021.tar.gz upstream-15dd4cdcd2c1ae4f5fb2ee52678724eccaa46021.tar.bz2 upstream-15dd4cdcd2c1ae4f5fb2ee52678724eccaa46021.zip | |
nuke trailing whitespaces in the yaffs code
SVN-Revision: 11277
Diffstat (limited to 'target')
56 files changed, 1270 insertions, 1270 deletions
diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/Kconfig b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/Kconfig index f55b3c5107..7b6f836cda 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/Kconfig +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/Kconfig @@ -26,7 +26,7 @@ config YAFFS_YAFFS1 default y help Enable YAFFS1 support -- yaffs for 512 byte / page devices - + Not needed for 2K-page devices. If unsure, say Y. @@ -157,9 +157,9 @@ config YAFFS_ALWAYS_CHECK_CHUNK_ERASED Enabling this forces on the test that chunks are erased in flash before writing to them. This takes more time but is potentially a bit more secure. - + Suggest setting Y during development and ironing out driver - issues etc. Suggest setting to N if you want faster writing. + issues etc. Suggest setting to N if you want faster writing. If unsure, say Y. diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/devextras.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/devextras.h index 9635c7a738..fcf2690a56 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/devextras.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/devextras.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering @@ -15,7 +15,7 @@ /* * This file is just holds extra declarations used during development. - * Most of these are from kernel includes placed here so we can use them in + * Most of these are from kernel includes placed here so we can use them in * applications. * */ diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/moduleconfig.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/moduleconfig.h index 8eb1ca314f..016391ca59 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/moduleconfig.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/moduleconfig.h @@ -1,10 +1,10 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * - * Created by Martin Fouts <Martin.Fouts@palmsource.com> + * Created by Martin Fouts <Martin.Fouts@palmsource.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 2.1 as diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_checkptrw.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_checkptrw.c index 2f3f875f75..933a33fb8b 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_checkptrw.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_checkptrw.c @@ -22,27 +22,27 @@ static int yaffs_CheckpointSpaceOk(yaffs_Device *dev) { int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks; - + T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpt blocks available = %d" TENDSTR), blocksAvailable)); - - + + return (blocksAvailable <= 0) ? 0 : 1; } static int yaffs_CheckpointErase(yaffs_Device *dev) { - + int i; - - if(!dev->eraseBlockInNAND) + + if(!dev->eraseBlockInNAND) return 0; T(YAFFS_TRACE_CHECKPOINT,(TSTR("checking blocks %d to %d"TENDSTR), dev->internalStartBlock,dev->internalEndBlock)); - + for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i); if(bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT){ @@ -58,9 +58,9 @@ static int yaffs_CheckpointErase(yaffs_Device *dev) } } } - + dev->blocksInCheckpoint = 0; - + return 1; } @@ -72,11 +72,11 @@ static void yaffs_CheckpointFindNextErasedBlock(yaffs_Device *dev) T(YAFFS_TRACE_CHECKPOINT, (TSTR("allocating checkpt block: erased %d reserved %d avail %d next %d "TENDSTR), dev->nErasedBlocks,dev->nReservedBlocks,blocksAvailable,dev->checkpointNextBlock)); - + if(dev->checkpointNextBlock >= 0 && dev->checkpointNextBlock <= dev->internalEndBlock && blocksAvailable > 0){ - + for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i); if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY){ @@ -88,7 +88,7 @@ static void yaffs_CheckpointFindNextErasedBlock(yaffs_Device *dev) } } T(YAFFS_TRACE_CHECKPOINT,(TSTR("out of checkpt blocks"TENDSTR))); - + dev->checkpointNextBlock = -1; dev->checkpointCurrentBlock = -1; } @@ -97,19 +97,19 @@ static void yaffs_CheckpointFindNextCheckpointBlock(yaffs_Device *dev) { int i; yaffs_ExtendedTags tags; - + T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR), dev->blocksInCheckpoint, dev->checkpointNextBlock)); - - if(dev->blocksInCheckpoint < dev->checkpointMaxBlocks) + + if(dev->blocksInCheckpoint < dev->checkpointMaxBlocks) for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){ int chunk = i * dev->nChunksPerBlock; int realignedChunk = chunk - dev->chunkOffset; dev->readChunkWithTagsFromNAND(dev,realignedChunk,NULL,&tags); - T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR), + T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR), i, tags.objectId,tags.sequenceNumber,tags.eccResult)); - + if(tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA){ /* Right kind of block */ dev->checkpointNextBlock = tags.objectId; @@ -130,7 +130,7 @@ static void yaffs_CheckpointFindNextCheckpointBlock(yaffs_Device *dev) int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting) { - + /* Got the functions we need? */ if (!dev->writeChunkWithTagsToNAND || !dev->readChunkWithTagsFromNAND || @@ -140,31 +140,31 @@ int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting) if(forWriting && !yaffs_CheckpointSpaceOk(dev)) return 0; - + if(!dev->checkpointBuffer) dev->checkpointBuffer = YMALLOC_DMA(dev->nDataBytesPerChunk); if(!dev->checkpointBuffer) return 0; - + dev->checkpointPageSequence = 0; - + dev->checkpointOpenForWrite = forWriting; - + dev->checkpointByteCount = 0; dev->checkpointSum = 0; dev->checkpointXor = 0; dev->checkpointCurrentBlock = -1; dev->checkpointCurrentChunk = -1; dev->checkpointNextBlock = dev->internalStartBlock; - + /* Erase all the blocks in the checkpoint area */ if(forWriting){ memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk); dev->checkpointByteOffset = 0; return yaffs_CheckpointErase(dev); - - + + } else { int i; /* Set to a value that will kick off a read */ @@ -177,7 +177,7 @@ int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting) for(i = 0; i < dev->checkpointMaxBlocks; i++) dev->checkpointBlockList[i] = -1; } - + return 1; } @@ -196,15 +196,15 @@ static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev) int realignedChunk; yaffs_ExtendedTags tags; - + if(dev->checkpointCurrentBlock < 0){ yaffs_CheckpointFindNextErasedBlock(dev); dev->checkpointCurrentChunk = 0; } - + if(dev->checkpointCurrentBlock < 0) return 0; - + tags.chunkDeleted = 0; tags.objectId = dev->checkpointNextBlock; /* Hint to next place to look */ tags.chunkId = dev->checkpointPageSequence + 1; @@ -217,25 +217,25 @@ static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev) bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT; dev->blocksInCheckpoint++; } - + chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk; - + T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR), - chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk,tags.objectId,tags.chunkId)); - + chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk,tags.objectId,tags.chunkId)); + realignedChunk = chunk - dev->chunkOffset; - + dev->writeChunkWithTagsToNAND(dev,realignedChunk,dev->checkpointBuffer,&tags); dev->checkpointByteOffset = 0; - dev->checkpointPageSequence++; + dev->checkpointPageSequence++; dev->checkpointCurrentChunk++; if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock){ dev->checkpointCurrentChunk = 0; dev->checkpointCurrentBlock = -1; } memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk); - + return 1; } @@ -245,37 +245,37 @@ int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes) int i=0; int ok = 1; - + __u8 * dataBytes = (__u8 *)data; - - + + if(!dev->checkpointBuffer) return 0; - + if(!dev->checkpointOpenForWrite) return -1; while(i < nBytes && ok) { - - + + dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes ; dev->checkpointSum += *dataBytes; dev->checkpointXor ^= *dataBytes; - + dev->checkpointByteOffset++; i++; dataBytes++; dev->checkpointByteCount++; - - + + if(dev->checkpointByteOffset < 0 || - dev->checkpointByteOffset >= dev->nDataBytesPerChunk) + dev->checkpointByteOffset >= dev->nDataBytesPerChunk) ok = yaffs_CheckpointFlushBuffer(dev); } - + return i; } @@ -285,12 +285,12 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) int ok = 1; yaffs_ExtendedTags tags; - + int chunk; int realignedChunk; __u8 *dataBytes = (__u8 *)data; - + if(!dev->checkpointBuffer) return 0; @@ -298,31 +298,31 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) return -1; while(i < nBytes && ok) { - - + + if(dev->checkpointByteOffset < 0 || dev->checkpointByteOffset >= dev->nDataBytesPerChunk) { - + if(dev->checkpointCurrentBlock < 0){ yaffs_CheckpointFindNextCheckpointBlock(dev); dev->checkpointCurrentChunk = 0; } - + if(dev->checkpointCurrentBlock < 0) ok = 0; else { - - chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + + + chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk; realignedChunk = chunk - dev->chunkOffset; /* read in the next chunk */ /* printf("read checkpoint page %d\n",dev->checkpointPage); */ - dev->readChunkWithTagsFromNAND(dev, realignedChunk, + dev->readChunkWithTagsFromNAND(dev, realignedChunk, dev->checkpointBuffer, &tags); - + if(tags.chunkId != (dev->checkpointPageSequence + 1) || tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA) ok = 0; @@ -330,12 +330,12 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) dev->checkpointByteOffset = 0; dev->checkpointPageSequence++; dev->checkpointCurrentChunk++; - + if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock) dev->checkpointCurrentBlock = -1; } } - + if(ok){ *dataBytes = dev->checkpointBuffer[dev->checkpointByteOffset]; dev->checkpointSum += *dataBytes; @@ -346,14 +346,14 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) dev->checkpointByteCount++; } } - + return i; } int yaffs_CheckpointClose(yaffs_Device *dev) { - if(dev->checkpointOpenForWrite){ + if(dev->checkpointOpenForWrite){ if(dev->checkpointByteOffset != 0) yaffs_CheckpointFlushBuffer(dev); } else { @@ -373,19 +373,19 @@ int yaffs_CheckpointClose(yaffs_Device *dev) dev->nFreeChunks -= dev->blocksInCheckpoint * dev->nChunksPerBlock; dev->nErasedBlocks -= dev->blocksInCheckpoint; - + T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint byte count %d" TENDSTR), dev->checkpointByteCount)); - + if(dev->checkpointBuffer){ - /* free the buffer */ + /* free the buffer */ YFREE(dev->checkpointBuffer); dev->checkpointBuffer = NULL; return 1; } else return 0; - + } int yaffs_CheckpointInvalidateStream(yaffs_Device *dev) diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_checkptrw.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_checkptrw.h index f4b0c7dcaa..d3ff17405f 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_checkptrw.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_checkptrw.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_ecc.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_ecc.c index be860d01a6..e2860393d3 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_ecc.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_ecc.c @@ -14,9 +14,9 @@ /* * This code implements the ECC algorithm used in SmartMedia. * - * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. + * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. * The two unused bit are set to 1. - * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC + * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC * blocks are used on a 512-byte NAND page. * */ @@ -228,8 +228,8 @@ int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc, return 1; /* Corrected the error */ } - if ((yaffs_CountBits(d0) + - yaffs_CountBits(d1) + + if ((yaffs_CountBits(d0) + + yaffs_CountBits(d1) + yaffs_CountBits(d2)) == 1) { /* Reccoverable error in ecc */ @@ -239,7 +239,7 @@ int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc, return 1; /* Corrected the error */ } - + /* Unrecoverable error */ return -1; @@ -293,7 +293,7 @@ int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, if ((cDelta | lDelta | lDeltaPrime) == 0) return 0; /* no error */ - if (lDelta == ~lDeltaPrime && + if (lDelta == ~lDeltaPrime && (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15)) { /* Single bit (recoverable) error in data */ @@ -309,7 +309,7 @@ int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, if(lDelta >= nBytes) return -1; - + data[lDelta] ^= (1 << bit); return 1; /* corrected */ diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_ecc.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_ecc.h index 40fd02b965..79bc3d1171 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_ecc.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_ecc.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering @@ -16,9 +16,9 @@ /* * This code implements the ECC algorithm used in SmartMedia. * - * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. + * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. * The two unused bit are set to 1. - * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC + * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC * blocks are used on a 512-byte NAND page. * */ diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_fs.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_fs.c index e572301f5d..67001b10e6 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_fs.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_fs.c @@ -23,7 +23,7 @@ * This is the file system front-end to YAFFS that hooks it up to * the VFS. * - * Special notes: + * Special notes: * >> 2.4: sb->u.generic_sbp points to the yaffs_Device associated with * this superblock * >> 2.6: sb->s_fs_info points to the yaffs_Device associated with this @@ -391,7 +391,7 @@ static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry) dentry->d_name.name); obj = yaffs_GetEquivalentObject(obj); /* in case it was a hardlink */ - + /* Can't hold gross lock when calling yaffs_get_inode() */ yaffs_GrossUnlock(dev); @@ -729,21 +729,21 @@ static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object * obj) obj->yst_mode &= ~S_IFMT; obj->yst_mode |= S_IFREG; } - + break; case YAFFS_OBJECT_TYPE_SYMLINK : if( ! S_ISLNK(mode) ){ obj->yst_mode &= ~S_IFMT; obj->yst_mode |= S_IFLNK; } - + break; case YAFFS_OBJECT_TYPE_DIRECTORY : if( ! S_ISDIR(mode) ){ obj->yst_mode &= ~S_IFMT; obj->yst_mode |= S_IFDIR; } - + break; case YAFFS_OBJECT_TYPE_UNKNOWN : case YAFFS_OBJECT_TYPE_HARDLINK : @@ -1020,7 +1020,7 @@ static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, int error = -ENOSPC; uid_t uid = current->fsuid; gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid; - + if((dir->i_mode & S_ISGID) && S_ISDIR(mode)) mode |= S_ISGID; @@ -1075,7 +1075,7 @@ static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, obj = NULL; /* Do we ever get here? */ break; } - + /* Can not call yaffs_get_inode() with gross lock held */ yaffs_GrossUnlock(dev); @@ -1264,13 +1264,13 @@ static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, target = yaffs_FindObjectByName(yaffs_InodeToObject(new_dir), new_dentry->d_name.name); - - + + if (target && target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && !list_empty(&target->variant.directoryVariant.children)) { - + T(YAFFS_TRACE_OS, (KERN_DEBUG "target is non-empty dir\n")); retVal = YAFFS_FAIL; @@ -1278,7 +1278,7 @@ static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, /* Now does unlinking internally using shadowing mechanism */ T(YAFFS_TRACE_OS, (KERN_DEBUG "calling yaffs_RenameObject\n")); - + retVal = yaffs_RenameObject(yaffs_InodeToObject(old_dir), old_dentry->d_name.name, @@ -1390,7 +1390,7 @@ static int yaffs_do_sync_fs(struct super_block *sb) if(dev) yaffs_CheckpointSave(dev); - + yaffs_GrossUnlock(dev); sb->s_dirt = 0; @@ -1421,16 +1421,16 @@ static int yaffs_sync_fs(struct super_block *sb) { T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_fs\n")); - + return 0; /* yaffs_do_sync_fs(sb);*/ - + } static void yaffs_read_inode(struct inode *inode) { /* NB This is called as a side effect of other functions, but - * we had to release the lock to prevent deadlocks, so + * we had to release the lock to prevent deadlocks, so * need to lock again. */ @@ -1441,7 +1441,7 @@ static void yaffs_read_inode(struct inode *inode) (KERN_DEBUG "yaffs_read_inode for %d\n", (int)inode->i_ino)); yaffs_GrossLock(dev); - + obj = yaffs_FindObjectByNumber(dev, inode->i_ino); yaffs_FillInodeFromObject(inode, obj); @@ -1458,26 +1458,26 @@ static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data) if( *flags & MS_RDONLY ) { struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice; - + T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_remount_fs: %s: RO\n", dev->name )); yaffs_GrossLock(dev); - + yaffs_FlushEntireDeviceCache(dev); - + yaffs_CheckpointSave(dev); - + if (mtd->sync) mtd->sync(mtd); yaffs_GrossUnlock(dev); } else { - T(YAFFS_TRACE_OS, + T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_remount_fs: %s: RW\n", dev->name )); } - + return 0; } #endif @@ -1489,7 +1489,7 @@ static void yaffs_put_super(struct super_block *sb) T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_put_super\n")); yaffs_GrossLock(dev); - + yaffs_FlushEntireDeviceCache(dev); yaffs_CheckpointSave(dev); @@ -1499,12 +1499,12 @@ static void yaffs_put_super(struct super_block *sb) } yaffs_Deinitialise(dev); - + yaffs_GrossUnlock(dev); /* we assume this is protected by lock_kernel() in mount/umount */ list_del(&dev->devList); - + if(dev->spareBuffer){ YFREE(dev->spareBuffer); dev->spareBuffer = NULL; @@ -1530,7 +1530,7 @@ static void yaffs_MTDPutSuper(struct super_block *sb) static void yaffs_MarkSuperBlockDirty(void *vsb) { struct super_block *sb = (struct super_block *)vsb; - + T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_MarkSuperBlockDirty() sb = %p\n",sb)); // if(sb) // sb->s_dirt = 1; @@ -1549,13 +1549,13 @@ static int yaffs_parse_options(yaffs_options *options, const char *options_str) char cur_opt[MAX_OPT_LEN+1]; int p; int error = 0; - + /* Parse through the options which is a comma seperated list */ - + while(options_str && *options_str && !error){ memset(cur_opt,0,MAX_OPT_LEN+1); p = 0; - + while(*options_str && *options_str != ','){ if(p < MAX_OPT_LEN){ cur_opt[p] = *options_str; @@ -1563,7 +1563,7 @@ static int yaffs_parse_options(yaffs_options *options, const char *options_str) } options_str++; } - + if(!strcmp(cur_opt,"inband-tags")) options->inband_tags = 1; else if(!strcmp(cur_opt,"no-cache")) @@ -1579,7 +1579,7 @@ static int yaffs_parse_options(yaffs_options *options, const char *options_str) printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",cur_opt); error = 1; } - + } return error; @@ -1597,7 +1597,7 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, struct mtd_info *mtd; int err; char *data_str = (char *)data; - + yaffs_options options; sb->s_magic = YAFFS_MAGIC; @@ -1613,14 +1613,14 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, printk(KERN_INFO "yaffs: dev is %d name is \"%s\"\n", sb->s_dev, yaffs_devname(sb, devname_buf)); - + if(!data_str) data_str = ""; - + printk(KERN_INFO "yaffs: passed flags \"%s\"\n",data_str); - + memset(&options,0,sizeof(options)); - + if(yaffs_parse_options(&options,data_str)){ /* Option parsing failed */ return NULL; @@ -1674,10 +1674,10 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, T(YAFFS_TRACE_OS, (" oobsize %d\n", mtd->oobsize)); T(YAFFS_TRACE_OS, (" erasesize %d\n", mtd->erasesize)); T(YAFFS_TRACE_OS, (" size %d\n", mtd->size)); - + #ifdef CONFIG_YAFFS_AUTO_YAFFS2 - if (yaffsVersion == 1 && + if (yaffsVersion == 1 && #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) mtd->writesize >= 2048) { #else @@ -1685,10 +1685,10 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, #endif T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs2\n")); yaffsVersion = 2; - } - + } + /* Added NCB 26/5/2006 for completeness */ - if (yaffsVersion == 2 && + if (yaffsVersion == 2 && #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) mtd->writesize == 512) { #else @@ -1696,7 +1696,7 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, #endif T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs1\n")); yaffsVersion = 1; - } + } #endif @@ -1830,10 +1830,10 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, dev->initialiseNAND = nandmtd_InitialiseNAND; dev->putSuperFunc = yaffs_MTDPutSuper; - + dev->superBlock = (void *)sb; dev->markSuperBlockDirty = yaffs_MarkSuperBlockDirty; - + #ifndef CONFIG_YAFFS_DOES_ECC dev->useNANDECC = 1; @@ -1845,7 +1845,7 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, dev->skipCheckpointRead = options.skip_checkpoint_read; dev->skipCheckpointWrite = options.skip_checkpoint_write; - + /* we assume this is protected by lock_kernel() in mount/umount */ list_add_tail(&dev->devList, &yaffs_dev_list); @@ -1858,7 +1858,7 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, T(YAFFS_TRACE_OS, ("yaffs_read_super: guts initialised %s\n", (err == YAFFS_OK) ? "OK" : "FAILED")); - + /* Release lock before yaffs_get_inode() */ yaffs_GrossUnlock(dev); @@ -2118,7 +2118,7 @@ static int yaffs_proc_write(struct file *file, const char *buf, unsigned rg = 0, mask_bitfield; char *end; char *mask_name; - const char *x; + const char *x; char substring[MAX_MASK_NAME_LENGTH+1]; int i; int done = 0; @@ -2146,7 +2146,7 @@ static int yaffs_proc_write(struct file *file, const char *buf, break; } mask_name = NULL; - + mask_bitfield = simple_strtoul(buf + pos, &end, 0); if (end > buf + pos) { mask_name = "numeral"; @@ -2154,12 +2154,12 @@ static int yaffs_proc_write(struct file *file, const char *buf, pos += len; done = 0; } else { - for(x = buf + pos, i = 0; + for(x = buf + pos, i = 0; (*x == '_' || (*x >='a' && *x <= 'z')) && i <MAX_MASK_NAME_LENGTH; x++, i++, pos++) substring[i] = *x; substring[i] = '\0'; - + for (i = 0; mask_flags[i].mask_name != NULL; i++) { if(strcmp(substring,mask_flags[i].mask_name) == 0){ mask_name = mask_flags[i].mask_name; @@ -2190,9 +2190,9 @@ static int yaffs_proc_write(struct file *file, const char *buf, } yaffs_traceMask = rg | YAFFS_TRACE_ALWAYS; - + printk("new trace = 0x%08X\n",yaffs_traceMask); - + if (rg & YAFFS_TRACE_ALWAYS) { for (i = 0; mask_flags[i].mask_name != NULL; i++) { char flag; diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_guts.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_guts.c index 006820c713..2ab8146913 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_guts.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_guts.c @@ -140,71 +140,71 @@ static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, __u32 *chunk, __u3 YBUG(); } -/* Function to return the number of shifts for a power of 2 greater than or equal +/* Function to return the number of shifts for a power of 2 greater than or equal * to the given number * Note we don't try to cater for all possible numbers and this does not have to * be hellishly efficient. */ - + static __u32 ShiftsGE(__u32 x) { int extraBits; int nShifts; - + nShifts = extraBits = 0; - + while(x>1){ if(x & 1) extraBits++; x>>=1; nShifts++; } - if(extraBits) + if(extraBits) nShifts++; - + return nShifts; } /* Function to return the number of shifts to get a 1 in bit 0 */ - + static __u32 ShiftDiv(__u32 x) { int nShifts; - + nShifts = 0; - + if(!x) return 0; - + while( !(x&1)){ x>>=1; nShifts++; } - + return nShifts; } -/* +/* * Temporary buffer manipulations. */ -static int yaffs_InitialiseTempBuffers(yaffs_Device *dev) +static int yaffs_InitialiseTempBuffers(yaffs_Device *dev) { int i; __u8 *buf = (__u8 *)1; - + memset(dev->tempBuffer,0,sizeof(dev->tempBuffer)); - + 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->nDataBytesPerChunk); } - + return buf ? YAFFS_OK : YAFFS_FAIL; - + } static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo) @@ -337,7 +337,7 @@ static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device * dev, int blk, int chunk) static Y_INLINE void yaffs_SetChunkBit(yaffs_Device * dev, int blk, int chunk) { __u8 *blkBits = yaffs_BlockBits(dev, blk); - + yaffs_VerifyChunkBitId(dev,blk,chunk); blkBits[chunk / 8] |= (1 << (chunk & 7)); @@ -375,16 +375,16 @@ static int yaffs_CountChunkBits(yaffs_Device * dev, int blk) n++; x >>=1; } - + blkBits++; } return n; } -/* +/* * Verification code */ - + static int yaffs_SkipVerification(yaffs_Device *dev) { return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY | YAFFS_TRACE_VERIFY_FULL)); @@ -417,14 +417,14 @@ static void yaffs_VerifyBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n) { int actuallyUsed; int inUse; - + if(yaffs_SkipVerification(dev)) return; - + /* Report illegal runtime states */ if(bi->blockState <0 || bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES) T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has undefined state %d"TENDSTR),n,bi->blockState)); - + switch(bi->blockState){ case YAFFS_BLOCK_STATE_UNKNOWN: case YAFFS_BLOCK_STATE_SCANNING: @@ -432,42 +432,42 @@ static void yaffs_VerifyBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n) T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has bad run-state %s"TENDSTR), n,blockStateName[bi->blockState])); } - + /* Check pages in use and soft deletions are legal */ - + 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) T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR), n,bi->pagesInUse,bi->softDeletions)); - - + + /* Check chunk bitmap legal */ inUse = yaffs_CountChunkBits(dev,n); if(inUse != bi->pagesInUse) T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR), n,bi->pagesInUse,inUse)); - + /* Check that the sequence number is valid. - * Ten million is legal, but is very unlikely + * Ten million is legal, but is very unlikely */ - if(dev->isYaffs2 && + if(dev->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), n,bi->sequenceNumber)); - + } static void yaffs_VerifyCollectedBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n) { yaffs_VerifyBlock(dev,bi,n); - + /* After collection the block should be in the erased state */ /* TODO: This will need to change if we do partial gc */ - + if(bi->blockState != YAFFS_BLOCK_STATE_EMPTY){ T(YAFFS_TRACE_ERROR,(TSTR("Block %d is in state %d after gc, should be erased"TENDSTR), n,bi->blockState)); @@ -479,14 +479,14 @@ static void yaffs_VerifyBlocks(yaffs_Device *dev) int i; int nBlocksPerState[YAFFS_NUMBER_OF_BLOCK_STATES]; int nIllegalBlockStates = 0; - + if(yaffs_SkipVerification(dev)) return; memset(nBlocksPerState,0,sizeof(nBlocksPerState)); - + for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++){ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i); yaffs_VerifyBlock(dev,bi,i); @@ -495,12 +495,12 @@ static void yaffs_VerifyBlocks(yaffs_Device *dev) nBlocksPerState[bi->blockState]++; else nIllegalBlockStates++; - + } - + T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR))); T(YAFFS_TRACE_VERIFY,(TSTR("Block summary"TENDSTR))); - + T(YAFFS_TRACE_VERIFY,(TSTR("%d blocks have illegal states"TENDSTR),nIllegalBlockStates)); if(nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1) T(YAFFS_TRACE_VERIFY,(TSTR("Too many allocating blocks"TENDSTR))); @@ -509,17 +509,17 @@ static void yaffs_VerifyBlocks(yaffs_Device *dev) T(YAFFS_TRACE_VERIFY, (TSTR("%s %d blocks"TENDSTR), blockStateName[i],nBlocksPerState[i])); - + if(dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]) T(YAFFS_TRACE_VERIFY, (TSTR("Checkpoint block count wrong dev %d count %d"TENDSTR), dev->blocksInCheckpoint, nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])); - + if(dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]) T(YAFFS_TRACE_VERIFY, (TSTR("Erased block count wrong dev %d count %d"TENDSTR), dev->nErasedBlocks, nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])); - + if(nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1) T(YAFFS_TRACE_VERIFY, (TSTR("Too many collecting blocks %d (max is 1)"TENDSTR), @@ -537,14 +537,14 @@ static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, { if(yaffs_SkipVerification(obj->myDev)) return; - + if(!(tags && obj && oh)){ T(YAFFS_TRACE_VERIFY, (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR), (__u32)tags,(__u32)obj,(__u32)oh)); return; } - + if(oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN || oh->type > YAFFS_OBJECT_TYPE_MAX) T(YAFFS_TRACE_VERIFY, @@ -559,25 +559,25 @@ static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, /* * Check that the object's parent ids match if parentCheck requested. - * + * * Tests do not apply to the root object. */ - + if(parentCheck && tags->objectId > 1 && !obj->parent) T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR), tags->objectId, oh->parentObjectId)); - - + + if(parentCheck && obj->parent && - oh->parentObjectId != obj->parent->objectId && + oh->parentObjectId != obj->parent->objectId && (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED || obj->parent->objectId != YAFFS_OBJECTID_DELETED)) T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR), tags->objectId, oh->parentObjectId, obj->parent->objectId)); - - + + if(tags->objectId > 1 && oh->name[0] == 0) /* Null name */ T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d header name is NULL"TENDSTR), @@ -614,12 +614,12 @@ static int yaffs_VerifyTnodeWorker(yaffs_Object * obj, yaffs_Tnode * tn, int i; yaffs_ExtendedTags tags; __u32 objectId = obj->objectId; - + chunkOffset <<= YAFFS_TNODES_LEVEL0_BITS; - + for(i = 0; i < YAFFS_NTNODES_LEVEL0; i++){ __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i); - + if(theChunk > 0){ /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.objectId,tags.chunkId,theChunk)); */ yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags); @@ -651,13 +651,13 @@ static void yaffs_VerifyFile(yaffs_Object *obj) yaffs_ExtendedTags tags; yaffs_Tnode *tn; __u32 objectId; - + if(obj && yaffs_SkipVerification(obj->myDev)) return; - + dev = obj->myDev; objectId = obj->objectId; - + /* Check file size is consistent with tnode depth */ lastChunk = obj->variant.fileVariant.fileSize / dev->nDataBytesPerChunk + 1; x = lastChunk >> YAFFS_TNODES_LEVEL0_BITS; @@ -666,23 +666,23 @@ static void yaffs_VerifyFile(yaffs_Object *obj) x >>= YAFFS_TNODES_INTERNAL_BITS; requiredTallness++; } - + actualTallness = obj->variant.fileVariant.topLevel; - + if(requiredTallness > actualTallness ) T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d had tnode tallness %d, needs to be %d"TENDSTR), obj->objectId,actualTallness, requiredTallness)); - - - /* Check that the chunks in the tnode tree are all correct. + + + /* Check that the chunks in the tnode tree are all correct. * We do this by scanning through the tnode tree and * checking the tags for every chunk match. */ if(yaffs_SkipNANDVerification(dev)) return; - + for(i = 1; i <= lastChunk; i++){ tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant,i); @@ -707,14 +707,14 @@ static void yaffs_VerifyDirectory(yaffs_Object *obj) { if(obj && yaffs_SkipVerification(obj->myDev)) return; - + } static void yaffs_VerifyHardLink(yaffs_Object *obj) { if(obj && yaffs_SkipVerification(obj->myDev)) return; - + /* Verify sane equivalent object */ } @@ -722,7 +722,7 @@ static void yaffs_VerifySymlink(yaffs_Object *obj) { if(obj && yaffs_SkipVerification(obj->myDev)) return; - + /* Verify symlink string */ } @@ -735,32 +735,32 @@ static void yaffs_VerifySpecial(yaffs_Object *obj) static void yaffs_VerifyObject(yaffs_Object *obj) { yaffs_Device *dev; - + __u32 chunkMin; __u32 chunkMax; - + __u32 chunkIdOk; __u32 chunkIsLive; - + if(!obj) return; - + dev = obj->myDev; - + if(yaffs_SkipVerification(dev)) return; - + /* Check sane object header chunk */ - + chunkMin = dev->internalStartBlock * dev->nChunksPerBlock; chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1; - + chunkIdOk = (obj->chunkId >= chunkMin && obj->chunkId <= chunkMax); - chunkIsLive = chunkIdOk && - yaffs_CheckChunkBit(dev, + chunkIsLive = chunkIdOk && + yaffs_CheckChunkBit(dev, obj->chunkId / dev->nChunksPerBlock, obj->chunkId % dev->nChunksPerBlock); - if(!obj->fake && + if(!obj->fake && (!chunkIdOk || !chunkIsLive)) { T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d has chunkId %d %s %s"TENDSTR), @@ -768,36 +768,36 @@ static void yaffs_VerifyObject(yaffs_Object *obj) chunkIdOk ? "" : ",out of range", chunkIsLive || !chunkIdOk ? "" : ",marked as deleted")); } - + if(chunkIdOk && chunkIsLive &&!yaffs_SkipNANDVerification(dev)) { yaffs_ExtendedTags tags; yaffs_ObjectHeader *oh; __u8 *buffer = yaffs_GetTempBuffer(dev,__LINE__); - + oh = (yaffs_ObjectHeader *)buffer; - + yaffs_ReadChunkWithTagsFromNAND(dev, obj->chunkId,buffer, &tags); - + yaffs_VerifyObjectHeader(obj,oh,&tags,1); - + yaffs_ReleaseTempBuffer(dev,buffer,__LINE__); } - + /* Verify it has a parent */ if(obj && !obj->fake && (!obj->parent || obj->parent->myDev != dev)){ T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR), - obj->objectId,obj->parent)); + obj->objectId,obj->parent)); } - + /* Verify parent is a directory */ if(obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY){ T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR), - obj->objectId,obj->parent->variantType)); + obj->objectId,obj->parent->variantType)); } - + switch(obj->variantType){ case YAFFS_OBJECT_TYPE_FILE: yaffs_VerifyFile(obj); @@ -818,11 +818,11 @@ static void yaffs_VerifyObject(yaffs_Object *obj) default: T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d has illegaltype %d"TENDSTR), - obj->objectId,obj->variantType)); + obj->objectId,obj->variantType)); break; } - - + + } static void yaffs_VerifyObjects(yaffs_Device *dev) @@ -833,9 +833,9 @@ static void yaffs_VerifyObjects(yaffs_Device *dev) if(yaffs_SkipVerification(dev)) return; - + /* Iterate through the objects in each hash entry */ - + for(i = 0; i < YAFFS_NOBJECT_BUCKETS; i++){ list_for_each(lh, &dev->objectBucket[i].list) { if (lh) { @@ -851,7 +851,7 @@ static void yaffs_VerifyObjects(yaffs_Device *dev) /* * Simple hash function. Needs to have a reasonable spread */ - + static Y_INLINE int yaffs_HashFunction(int n) { n = abs(n); @@ -861,7 +861,7 @@ static Y_INLINE int yaffs_HashFunction(int n) /* * Access functions to useful fake objects */ - + yaffs_Object *yaffs_Root(yaffs_Device * dev) { return dev->rootDir; @@ -876,7 +876,7 @@ yaffs_Object *yaffs_LostNFound(yaffs_Device * dev) /* * Erased NAND checking functions */ - + int yaffs_CheckFF(__u8 * buffer, int nBytes) { /* Horrible, slow implementation */ @@ -898,10 +898,10 @@ static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, int result; result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags); - + if(tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR) retval = YAFFS_FAIL; - + if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) { T(YAFFS_TRACE_NANDACCESS, @@ -1008,13 +1008,13 @@ static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, /* * Block retiring for handling a broken block. */ - + static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND) { yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); yaffs_InvalidateCheckpoint(dev); - + yaffs_MarkBlockBad(dev, blockInNAND); bi->blockState = YAFFS_BLOCK_STATE_DEAD; @@ -1028,7 +1028,7 @@ static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND) * Functions for robustisizing TODO * */ - + static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND, const __u8 * data, const yaffs_ExtendedTags * tags) @@ -1046,13 +1046,13 @@ void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi) bi->gcPrioritise = 1; dev->hasPendingPrioritisedGCs = 1; bi->chunkErrorStrikes ++; - + if(bi->chunkErrorStrikes > 3){ bi->needsRetiring = 1; /* Too many stikes, so retire this */ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR))); } - + } } @@ -1063,23 +1063,23 @@ static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); yaffs_HandleChunkError(dev,bi); - - + + if(erasedOk ) { /* Was an actual write failure, so mark the block for retirement */ bi->needsRetiring = 1; T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, (TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND)); - + } - + /* Delete the chunk */ yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__); } -/*---------------- Name handling functions ------------*/ +/*---------------- Name handling functions ------------*/ static __u16 yaffs_CalcNameSum(const YCHAR * name) { @@ -1120,7 +1120,7 @@ static void yaffs_SetObjectName(yaffs_Object * obj, const YCHAR * name) * The list is hooked together using the first pointer * in the tnode. */ - + /* yaffs_CreateTnodes creates a bunch more tnodes and * adds them to the tnode free list. * Don't use this function directly @@ -1138,7 +1138,7 @@ static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes) if (nTnodes < 1) return YAFFS_OK; - + /* Calculate the tnode size in bytes for variable width tnode support. * Must be a multiple of 32-bits */ tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; @@ -1175,7 +1175,7 @@ static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes) next = (yaffs_Tnode *) &mem[(i+1) * tnodeSize]; curr->internal[0] = next; } - + curr = (yaffs_Tnode *) &mem[(nTnodes - 1) * tnodeSize]; curr->internal[0] = dev->freeTnodes; dev->freeTnodes = (yaffs_Tnode *)mem; @@ -1190,7 +1190,7 @@ static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes) * NB If we can't add this to the management list it isn't fatal * but it just means we can't free this bunch of tnodes later. */ - + tnl = YMALLOC(sizeof(yaffs_TnodeList)); if (!tnl) { T(YAFFS_TRACE_ERROR, @@ -1239,11 +1239,11 @@ static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device * dev) static yaffs_Tnode *yaffs_GetTnode(yaffs_Device * dev) { yaffs_Tnode *tn = yaffs_GetTnodeRaw(dev); - + if(tn) memset(tn, 0, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8); - return tn; + return tn; } /* FreeTnode frees up a tnode and puts it back on the free list */ @@ -1299,19 +1299,19 @@ void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, unsi __u32 bitInWord; __u32 wordInMap; __u32 mask; - + pos &= YAFFS_TNODES_LEVEL0_MASK; val >>= dev->chunkGroupBits; - + bitInMap = pos * dev->tnodeWidth; wordInMap = bitInMap /32; bitInWord = bitInMap & (32 -1); - + mask = dev->tnodeMask << bitInWord; - + map[wordInMap] &= ~mask; map[wordInMap] |= (mask & (val << bitInWord)); - + if(dev->tnodeWidth > (32-bitInWord)) { bitInWord = (32 - bitInWord); wordInMap++;; @@ -1328,24 +1328,24 @@ static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigne __u32 bitInWord; __u32 wordInMap; __u32 val; - + pos &= YAFFS_TNODES_LEVEL0_MASK; - + bitInMap = pos * dev->tnodeWidth; wordInMap = bitInMap /32; bitInWord = bitInMap & (32 -1); - + val = map[wordInMap] >> bitInWord; - + if(dev->tnodeWidth > (32-bitInWord)) { bitInWord = (32 - bitInWord); wordInMap++;; val |= (map[wordInMap] << bitInWord); } - + val &= dev->tnodeMask; val <<= dev->chunkGroupBits; - + return val; } @@ -1394,7 +1394,7 @@ static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev, while (level > 0 && tn) { tn = tn-> internal[(chunkId >> - ( YAFFS_TNODES_LEVEL0_BITS + + ( YAFFS_TNODES_LEVEL0_BITS + (level - 1) * YAFFS_TNODES_INTERNAL_BITS) ) & @@ -1416,7 +1416,7 @@ static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev, * If the tn argument is NULL, then a fresh tnode will be added otherwise the specified tn will * be plugged into the ttree. */ - + static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev, yaffs_FileStructure * fStruct, __u32 chunkId, @@ -1453,7 +1453,7 @@ static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev, if (requiredTallness > fStruct->topLevel) { /* Not tall enough,gotta make the tree taller */ for (i = fStruct->topLevel; i < requiredTallness; i++) { - + tn = yaffs_GetTnode(dev); if (tn) { @@ -1472,7 +1472,7 @@ static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev, l = fStruct->topLevel; tn = fStruct->top; - + if(l > 0) { while (l > 0 && tn) { x = (chunkId >> @@ -1492,13 +1492,13 @@ static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev, if(tn->internal[x]) yaffs_FreeTnode(dev,tn->internal[x]); tn->internal[x] = passedTn; - + } else if(!tn->internal[x]) { /* Don't have one, none passed in */ tn->internal[x] = yaffs_GetTnode(dev); } } - + tn = tn->internal[x]; l--; } @@ -1539,7 +1539,7 @@ static int yaffs_FindChunkInGroup(yaffs_Device * dev, int theChunk, /* DeleteWorker scans backwards through the tnode tree and deletes all the * chunks and tnodes in the file - * Returns 1 if the tree was deleted. + * Returns 1 if the tree was deleted. * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete. */ @@ -1653,7 +1653,7 @@ static void yaffs_SoftDeleteChunk(yaffs_Device * dev, int chunk) * of the tnode. * Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted. */ - + static int yaffs_SoftDeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level, int chunkOffset) { @@ -1694,7 +1694,7 @@ static int yaffs_SoftDeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, theChunk = yaffs_GetChunkGroupBase(dev,tn,i); if (theChunk) { /* Note this does not find the real chunk, only the chunk group. - * We make an assumption that a chunk group is not larger than + * We make an assumption that a chunk group is not larger than * a block. */ yaffs_SoftDeleteChunk(dev, theChunk); @@ -1796,7 +1796,7 @@ static int yaffs_PruneFileStructure(yaffs_Device * dev, /* Now we have a tree with all the non-zero branches NULL but the height * is the same as it was. * Let's see if we can trim internal tnodes to shorten the tree. - * We can do this if only the 0th element in the tnode is in use + * We can do this if only the 0th element in the tnode is in use * (ie all the non-zero are NULL) */ @@ -1850,7 +1850,7 @@ static int yaffs_CreateFreeObjects(yaffs_Device * dev, int nObjects) (TSTR("yaffs: Could not allocate more objects" TENDSTR))); return YAFFS_FAIL; } - + /* Hook them into the free list */ for (i = 0; i < nObjects - 1; i++) { newObjects[i].siblings.next = @@ -2132,7 +2132,7 @@ yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number, theObject = yaffs_AllocateEmptyObject(dev); if(!theObject) return NULL; - + if(type == YAFFS_OBJECT_TYPE_FILE){ tn = yaffs_GetTnode(dev); if(!tn){ @@ -2140,8 +2140,8 @@ yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number, return NULL; } } - - + + if (theObject) { theObject->fake = 0; @@ -2205,7 +2205,7 @@ static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device * dev, return theObject; } - + static YCHAR *yaffs_CloneString(const YCHAR * str) { @@ -2227,7 +2227,7 @@ static YCHAR *yaffs_CloneString(const YCHAR * str) * aliasString only has meaning for a sumlink. * rdev only has meaning for devices (a subset of special objects) */ - + static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, yaffs_Object * parent, const YCHAR * name, @@ -2248,7 +2248,7 @@ static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, } in = yaffs_CreateNewObject(dev, -1, type); - + if(type == YAFFS_OBJECT_TYPE_SYMLINK){ str = yaffs_CloneString(aliasString); if(!str){ @@ -2256,8 +2256,8 @@ static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, return NULL; } } - - + + if (in) { in->chunkId = -1; @@ -2298,7 +2298,7 @@ static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, equivalentObject->objectId; list_add(&in->hardLinks, &equivalentObject->hardLinks); break; - case YAFFS_OBJECT_TYPE_FILE: + case YAFFS_OBJECT_TYPE_FILE: case YAFFS_OBJECT_TYPE_DIRECTORY: case YAFFS_OBJECT_TYPE_SPECIAL: case YAFFS_OBJECT_TYPE_UNKNOWN: @@ -2382,7 +2382,7 @@ static int yaffs_ChangeObjectName(yaffs_Object * obj, yaffs_Object * newDir, TENDSTR))); YBUG(); } - + /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */ if (obj->myDev->isYaffs2) { unlinkOp = (newDir == obj->myDev->unlinkedDir); @@ -2395,9 +2395,9 @@ static int yaffs_ChangeObjectName(yaffs_Object * obj, yaffs_Object * newDir, existingTarget = yaffs_FindObjectByName(newDir, newName); - /* If the object is a file going into the unlinked directory, + /* If the object is a file going into the unlinked directory, * then it is OK to just stuff it in since duplicate names are allowed. - * else only proceed if the new name does not exist and if we're putting + * else only proceed if the new name does not exist and if we're putting * it into a directory. */ if ((unlinkOp || @@ -2461,7 +2461,7 @@ int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName, /* There is a target that is a non-empty directory, so we fail */ return YAFFS_FAIL; /* EEXIST or ENOTEMPTY */ } else if (existingTarget && existingTarget != obj) { - /* Nuke the target first, using shadowing, + /* Nuke the target first, using shadowing, * but only if it isn't the same object */ yaffs_ChangeObjectName(obj, newDir, newName, force, @@ -2479,10 +2479,10 @@ int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName, static int yaffs_InitialiseBlocks(yaffs_Device * dev) { int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; - + dev->blockInfo = NULL; dev->chunkBits = NULL; - + dev->allocationBlock = -1; /* force it to get a new one */ /* If the first allocation strategy fails, thry the alternate one */ @@ -2493,9 +2493,9 @@ static int yaffs_InitialiseBlocks(yaffs_Device * dev) } else dev->blockInfoAlt = 0; - + if(dev->blockInfo){ - + /* Set up dynamic blockinfo stuff. */ dev->chunkBitmapStride = (dev->nChunksPerBlock + 7) / 8; /* round up bytes */ dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks); @@ -2506,7 +2506,7 @@ static int yaffs_InitialiseBlocks(yaffs_Device * dev) else dev->chunkBitsAlt = 0; } - + if (dev->blockInfo && dev->chunkBits) { memset(dev->blockInfo, 0, nBlocks * sizeof(yaffs_BlockInfo)); memset(dev->chunkBits, 0, dev->chunkBitmapStride * nBlocks); @@ -2527,7 +2527,7 @@ static void yaffs_DeinitialiseBlocks(yaffs_Device * dev) dev->blockInfoAlt = 0; dev->blockInfo = NULL; - + if(dev->chunkBitsAlt && dev->chunkBits) YFREE_ALT(dev->chunkBits); else if(dev->chunkBits) @@ -2591,14 +2591,14 @@ static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev, int prioritised=0; yaffs_BlockInfo *bi; int pendingPrioritisedExist = 0; - + /* First let's see if we need to grab a prioritised block */ if(dev->hasPendingPrioritisedGCs){ for(i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++){ bi = yaffs_GetBlockInfo(dev, i); //yaffs_VerifyBlock(dev,bi,i); - + if(bi->gcPrioritise) { pendingPrioritisedExist = 1; if(bi->blockState == YAFFS_BLOCK_STATE_FULL && @@ -2610,7 +2610,7 @@ static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev, } } } - + if(!pendingPrioritisedExist) /* None found, so we can clear this */ dev->hasPendingPrioritisedGCs = 0; } @@ -2662,7 +2662,7 @@ static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev, dirtiest = b; pagesInUse = 0; } - else + else #endif if (bi->blockState == YAFFS_BLOCK_STATE_FULL && @@ -2699,11 +2699,11 @@ static void yaffs_BlockBecameDirty(yaffs_Device * dev, int blockNo) /* If the block is still healthy erase it and mark as clean. * If the block has had a data failure, then retire it. */ - + T(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE, (TSTR("yaffs_BlockBecameDirty block %d state %d %s"TENDSTR), blockNo, bi->blockState, (bi->needsRetiring) ? "needs retiring" : "")); - + bi->blockState = YAFFS_BLOCK_STATE_DIRTY; if (!bi->needsRetiring) { @@ -2716,7 +2716,7 @@ static void yaffs_BlockBecameDirty(yaffs_Device * dev, int blockNo) } } - if (erasedOk && + if (erasedOk && ((yaffs_traceMask & YAFFS_TRACE_ERASE) || !yaffs_SkipVerification(dev))) { int i; for (i = 0; i < dev->nChunksPerBlock; i++) { @@ -2767,7 +2767,7 @@ static int yaffs_FindBlockForAllocation(yaffs_Device * dev) return -1; } - + /* Find an empty block. */ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { @@ -2808,13 +2808,13 @@ static int yaffs_CheckSpaceForAllocation(yaffs_Device * dev) int reservedChunks; int reservedBlocks = dev->nReservedBlocks; int checkpointBlocks; - + checkpointBlocks = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint; if(checkpointBlocks < 0) checkpointBlocks = 0; - + reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->nChunksPerBlock); - + return (dev->nFreeChunks > reservedChunks); } @@ -2861,10 +2861,10 @@ static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockIn if(blockUsedPtr) *blockUsedPtr = bi; - + return retVal; } - + T(YAFFS_TRACE_ERROR, (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR))); @@ -2907,7 +2907,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) yaffs_Object *object; isCheckpointBlock = (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT); - + bi->blockState = YAFFS_BLOCK_STATE_COLLECTING; T(YAFFS_TRACE_TRACING, @@ -2935,7 +2935,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) } else { __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); - + yaffs_VerifyBlock(dev,bi,block); for (chunkInBlock = 0, oldChunk = block * dev->nChunksPerBlock; @@ -2962,7 +2962,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) ("Collecting page %d, %d %d %d " TENDSTR), chunkInBlock, tags.objectId, tags.chunkId, tags.byteCount)); - + if(object && !yaffs_SkipVerification(dev)){ if(tags.chunkId == 0) matchingChunk = object->chunkId; @@ -2970,12 +2970,12 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) matchingChunk = oldChunk; /* Defeat the test */ else matchingChunk = yaffs_FindChunkInFile(object,tags.chunkId,NULL); - + if(oldChunk != matchingChunk) T(YAFFS_TRACE_ERROR, (TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR), oldChunk,matchingChunk,tags.objectId, tags.chunkId)); - + } if (!object) { @@ -2990,7 +2990,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) && tags.chunkId != 0) { /* Data chunk in a deleted file, throw it away * It's a soft deleted data chunk, - * No need to copy this, just forget about it and + * No need to copy this, just forget about it and * fix up the object. */ @@ -3040,7 +3040,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) oh->shadowsObject = -1; tags.extraShadows = 0; tags.extraIsShrinkHeader = 0; - + yaffs_VerifyObjectHeader(object,oh,&tags,1); } @@ -3099,7 +3099,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) } yaffs_VerifyCollectedBlock(dev,bi,block); - + if (chunksBefore >= (chunksAfter = yaffs_GetErasedChunks(dev))) { T(YAFFS_TRACE_GC, (TSTR @@ -3127,21 +3127,21 @@ static int yaffs_CheckGarbageCollection(yaffs_Device * dev) int aggressive; int gcOk = YAFFS_OK; int maxTries = 0; - + int checkpointBlockAdjust; if (dev->isDoingGC) { /* Bail out so we don't get recursive gc */ return YAFFS_OK; } - + /* This loop should pass the first time. * We'll only see looping here if the erase of the collected block fails. */ do { maxTries++; - + checkpointBlockAdjust = (dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint); if(checkpointBlockAdjust < 0) checkpointBlockAdjust = 0; @@ -3326,11 +3326,11 @@ static int yaffs_CheckFileSanity(yaffs_Object * in) static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, int chunkInNAND, int inScan) { - /* NB inScan is zero unless scanning. - * For forward scanning, inScan is > 0; + /* NB inScan is zero unless scanning. + * For forward scanning, inScan is > 0; * for backward scanning inScan is < 0 */ - + yaffs_Tnode *tn; yaffs_Device *dev = in->myDev; int existingChunk; @@ -3354,7 +3354,7 @@ static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, return YAFFS_OK; } - tn = yaffs_AddOrFindLevel0Tnode(dev, + tn = yaffs_AddOrFindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode, NULL); @@ -3366,7 +3366,7 @@ static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, if (inScan != 0) { /* If we're scanning then we need to test for duplicates - * NB This does not need to be efficient since it should only ever + * NB This does not need to be efficient since it should only ever * happen when the power fails during a write, then only one * chunk should ever be affected. * @@ -3407,7 +3407,7 @@ static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, } - /* NB The deleted flags should be false, otherwise the chunks will + /* NB The deleted flags should be false, otherwise the chunks will * not be loaded during a scan */ @@ -3418,7 +3418,7 @@ static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, (in->myDev->isYaffs2 || existingChunk <= 0 || ((existingSerial + 1) & 3) == newSerial)) { - /* Forward scanning. + /* Forward scanning. * Use new * Delete the old one and drop through to update the tnode */ @@ -3459,7 +3459,7 @@ static int yaffs_ReadChunkDataFromObject(yaffs_Object * in, int chunkInInode, (TSTR("Chunk %d not found zero instead" TENDSTR), chunkInNAND)); /* get sane (zero) data if you read a hole */ - memset(buffer, 0, in->myDev->nDataBytesPerChunk); + memset(buffer, 0, in->myDev->nDataBytesPerChunk); return 0; } @@ -3474,7 +3474,7 @@ void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn) if (chunkId <= 0) return; - + dev->nDeletions++; block = chunkId / dev->nChunksPerBlock; @@ -3602,7 +3602,7 @@ int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, int force, YCHAR oldName[YAFFS_MAX_NAME_LENGTH + 1]; yaffs_ObjectHeader *oh = NULL; - + yaffs_strcpy(oldName,"silly old name"); if (!in->fake || force) { @@ -3618,9 +3618,9 @@ int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, int force, if (prevChunkId >= 0) { result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId, buffer, &oldTags); - + yaffs_VerifyObjectHeader(in,oh,&oldTags,0); - + memcpy(oldName, oh->name, sizeof(oh->name)); } @@ -3748,11 +3748,11 @@ int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, int force, /*------------------------ Short Operations Cache ---------------------------------------- * In many situations where there is no high level buffering (eg WinCE) a lot of - * reads might be short sequential reads, and a lot of writes may be short + * reads might be short sequential reads, and a lot of writes may be short * sequential writes. eg. scanning/writing a jpeg file. - * In these cases, a short read/write cache can provide a huge perfomance benefit + * In these cases, a short read/write cache can provide a huge perfomance benefit * with dumb-as-a-rock code. - * In Linux, the page cache provides read buffering aand the short op cache provides write + * In Linux, the page cache provides read buffering aand the short op cache provides write * buffering. * * There are a limited number (~10) of cache chunks per device so that we don't @@ -3765,14 +3765,14 @@ static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj) int i; yaffs_ChunkCache *cache; int nCaches = obj->myDev->nShortOpCaches; - + for(i = 0; i < nCaches; i++){ cache = &dev->srCache[i]; if (cache->object == obj && cache->dirty) return 1; } - + return 0; } @@ -3838,7 +3838,7 @@ void yaffs_FlushEntireDeviceCache(yaffs_Device *dev) yaffs_Object *obj; int nCaches = dev->nShortOpCaches; int i; - + /* Find a dirty object in the cache and flush it... * until there are no further dirty objects. */ @@ -3848,18 +3848,18 @@ void yaffs_FlushEntireDeviceCache(yaffs_Device *dev) if (dev->srCache[i].object && dev->srCache[i].dirty) obj = dev->srCache[i].object; - + } if(obj) yaffs_FlushFilesChunkCache(obj); - + } while(obj); - + } /* Grab us a cache chunk for use. - * First look for an empty one. + * First look for an empty one. * Then look for the least recently used non-dirty one. * Then look for the least recently used dirty one...., flush and look again. */ @@ -3871,7 +3871,7 @@ static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device * dev) if (dev->nShortOpCaches > 0) { for (i = 0; i < dev->nShortOpCaches; i++) { - if (!dev->srCache[i].object) + if (!dev->srCache[i].object) return &dev->srCache[i]; } @@ -4032,14 +4032,14 @@ static void yaffs_InvalidateWholeChunkCache(yaffs_Object * in) static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev,int head) { yaffs_CheckpointValidity cp; - + memset(&cp,0,sizeof(cp)); - + cp.structType = sizeof(cp); cp.magic = YAFFS_MAGIC; cp.version = YAFFS_CHECKPOINT_VERSION; cp.head = (head) ? 1 : 0; - + return (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp))? 1 : 0; } @@ -4048,9 +4048,9 @@ static int yaffs_ReadCheckpointValidityMarker(yaffs_Device *dev, int head) { yaffs_CheckpointValidity cp; int ok; - + ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp)); - + if(ok) ok = (cp.structType == sizeof(cp)) && (cp.magic == YAFFS_MAGIC) && @@ -4059,20 +4059,20 @@ static int yaffs_ReadCheckpointValidityMarker(yaffs_Device *dev, int head) return ok ? 1 : 0; } -static void yaffs_DeviceToCheckpointDevice(yaffs_CheckpointDevice *cp, +static void yaffs_DeviceToCheckpointDevice(yaffs_CheckpointDevice *cp, yaffs_Device *dev) { cp->nErasedBlocks = dev->nErasedBlocks; cp->allocationBlock = dev->allocationBlock; cp->allocationPage = dev->allocationPage; cp->nFreeChunks = dev->nFreeChunks; - + cp->nDeletedFiles = dev->nDeletedFiles; cp->nUnlinkedFiles = dev->nUnlinkedFiles; cp->nBackgroundDeletions = dev->nBackgroundDeletions; cp->sequenceNumber = dev->sequenceNumber; cp->oldestDirtySequence = dev->oldestDirtySequence; - + } static void yaffs_CheckpointDeviceToDevice(yaffs_Device *dev, @@ -4082,7 +4082,7 @@ static void yaffs_CheckpointDeviceToDevice(yaffs_Device *dev, dev->allocationBlock = cp->allocationBlock; dev->allocationPage = cp->allocationPage; dev->nFreeChunks = cp->nFreeChunks; - + dev->nDeletedFiles = cp->nDeletedFiles; dev->nUnlinkedFiles = cp->nUnlinkedFiles; dev->nBackgroundDeletions = cp->nBackgroundDeletions; @@ -4098,20 +4098,20 @@ static int yaffs_WriteCheckpointDevice(yaffs_Device *dev) __u32 nBlocks = (dev->internalEndBlock - dev->internalStartBlock + 1); int ok; - + /* Write device runtime values*/ yaffs_DeviceToCheckpointDevice(&cp,dev); cp.structType = sizeof(cp); - + ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp)); - + /* Write block info */ if(ok) { nBytes = nBlocks * sizeof(yaffs_BlockInfo); ok = (yaffs_CheckpointWrite(dev,dev->blockInfo,nBytes) == nBytes); } - - /* Write chunk bits */ + + /* Write chunk bits */ if(ok) { nBytes = nBlocks * dev->chunkBitmapStride; ok = (yaffs_CheckpointWrite(dev,dev->chunkBits,nBytes) == nBytes); @@ -4126,28 +4126,28 @@ static int yaffs_ReadCheckpointDevice(yaffs_Device *dev) __u32 nBytes; __u32 nBlocks = (dev->internalEndBlock - dev->internalStartBlock + 1); - int ok; - + int ok; + ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp)); if(!ok) return 0; - + if(cp.structType != sizeof(cp)) return 0; - - + + yaffs_CheckpointDeviceToDevice(dev,&cp); - + nBytes = nBlocks * sizeof(yaffs_BlockInfo); - + ok = (yaffs_CheckpointRead(dev,dev->blockInfo,nBytes) == nBytes); - + if(!ok) return 0; nBytes = nBlocks * dev->chunkBitmapStride; - + ok = (yaffs_CheckpointRead(dev,dev->chunkBits,nBytes) == nBytes); - + return ok ? 1 : 0; } @@ -4158,7 +4158,7 @@ static void yaffs_ObjectToCheckpointObject(yaffs_CheckpointObject *cp, cp->objectId = obj->objectId; cp->parentId = (obj->parent) ? obj->parent->objectId : 0; cp->chunkId = obj->chunkId; - cp->variantType = obj->variantType; + cp->variantType = obj->variantType; cp->deleted = obj->deleted; cp->softDeleted = obj->softDeleted; cp->unlinked = obj->unlinked; @@ -4167,7 +4167,7 @@ static void yaffs_ObjectToCheckpointObject(yaffs_CheckpointObject *cp, cp->unlinkAllowed = obj->unlinkAllowed; cp->serial = obj->serial; cp->nDataChunks = obj->nDataChunks; - + if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) cp->fileSizeOrEquivalentObjectId = obj->variant.fileVariant.fileSize; else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) @@ -4178,9 +4178,9 @@ static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointOb { yaffs_Object *parent; - + obj->objectId = cp->objectId; - + if(cp->parentId) parent = yaffs_FindOrCreateObjectByNumber( obj->myDev, @@ -4188,12 +4188,12 @@ static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointOb YAFFS_OBJECT_TYPE_DIRECTORY); else parent = NULL; - + if(parent) yaffs_AddObjectToDirectory(parent, obj); - + obj->chunkId = cp->chunkId; - obj->variantType = cp->variantType; + obj->variantType = cp->variantType; obj->deleted = cp->deleted; obj->softDeleted = cp->softDeleted; obj->unlinked = cp->unlinked; @@ -4202,12 +4202,12 @@ static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointOb obj->unlinkAllowed = cp->unlinkAllowed; obj->serial = cp->serial; obj->nDataChunks = cp->nDataChunks; - + if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) obj->variant.fileVariant.fileSize = cp->fileSizeOrEquivalentObjectId; else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) obj->variant.hardLinkVariant.equivalentObjectId = cp->fileSizeOrEquivalentObjectId; - + if(obj->objectId >= YAFFS_NOBJECT_BUCKETS) obj->lazyLoaded = 1; } @@ -4250,17 +4250,17 @@ static int yaffs_WriteCheckpointTnodes(yaffs_Object *obj) { __u32 endMarker = ~0; int ok = 1; - + if(obj->variantType == YAFFS_OBJECT_TYPE_FILE){ ok = yaffs_CheckpointTnodeWorker(obj, obj->variant.fileVariant.top, obj->variant.fileVariant.topLevel, 0); if(ok) - ok = (yaffs_CheckpointWrite(obj->myDev,&endMarker,sizeof(endMarker)) == + ok = (yaffs_CheckpointWrite(obj->myDev,&endMarker,sizeof(endMarker)) == sizeof(endMarker)); } - + return ok ? 1 : 0; } @@ -4272,14 +4272,14 @@ static int yaffs_ReadCheckpointTnodes(yaffs_Object *obj) yaffs_FileStructure *fileStructPtr = &obj->variant.fileVariant; yaffs_Tnode *tn; int nread = 0; - + ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk)); - + while(ok && (~baseChunk)){ nread++; /* Read level 0 tnode */ - - + + /* printf("read tnode at %d\n",baseChunk); */ tn = yaffs_GetTnodeRaw(dev); if(tn) @@ -4287,27 +4287,27 @@ static int yaffs_ReadCheckpointTnodes(yaffs_Object *obj) (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8); else ok = 0; - + if(tn && ok){ ok = yaffs_AddOrFindLevel0Tnode(dev, fileStructPtr, baseChunk, tn) ? 1 : 0; - + } - + if(ok) ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk)); - + } T(YAFFS_TRACE_CHECKPOINT,( TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR), nread,baseChunk,ok)); - return ok ? 1 : 0; + return ok ? 1 : 0; } - + static int yaffs_WriteCheckpointObjects(yaffs_Device *dev) { @@ -4317,11 +4317,11 @@ static int yaffs_WriteCheckpointObjects(yaffs_Device *dev) int ok = 1; struct list_head *lh; - + /* Iterate through the objects in each hash entry, * dumping them to the checkpointing stream. */ - + for(i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++){ list_for_each(lh, &dev->objectBucket[i].list) { if (lh) { @@ -4333,9 +4333,9 @@ static int yaffs_WriteCheckpointObjects(yaffs_Device *dev) T(YAFFS_TRACE_CHECKPOINT,( TSTR("Checkpoint write object %d parent %d type %d chunk %d obj addr %x" TENDSTR), cp.objectId,cp.parentId,cp.variantType,cp.chunkId,(unsigned) obj)); - + ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp)); - + if(ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE){ ok = yaffs_WriteCheckpointTnodes(obj); } @@ -4343,14 +4343,14 @@ static int yaffs_WriteCheckpointObjects(yaffs_Device *dev) } } } - + /* Dump end of list */ memset(&cp,0xFF,sizeof(yaffs_CheckpointObject)); cp.structType = sizeof(cp); - + if(ok) ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp)); - + return ok ? 1 : 0; } @@ -4361,7 +4361,7 @@ static int yaffs_ReadCheckpointObjects(yaffs_Device *dev) int ok = 1; int done = 0; yaffs_Object *hardList = NULL; - + while(ok && !done) { ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp)); if(cp.structType != sizeof(cp)) { @@ -4369,10 +4369,10 @@ static int yaffs_ReadCheckpointObjects(yaffs_Device *dev) cp.structType,sizeof(cp),ok)); ok = 0; } - + T(YAFFS_TRACE_CHECKPOINT,(TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR), cp.objectId,cp.parentId,cp.variantType,cp.chunkId)); - + if(ok && cp.objectId == ~0) done = 1; else if(ok){ @@ -4387,14 +4387,14 @@ static int yaffs_ReadCheckpointObjects(yaffs_Device *dev) hardList; hardList = obj; } - + } } } - + if(ok) yaffs_HardlinkFixup(dev,hardList); - + return ok ? 1 : 0; } @@ -4402,14 +4402,14 @@ static int yaffs_WriteCheckpointSum(yaffs_Device *dev) { __u32 checkpointSum; int ok; - + yaffs_GetCheckpointSum(dev,&checkpointSum); - + ok = (yaffs_CheckpointWrite(dev,&checkpointSum,sizeof(checkpointSum)) == sizeof(checkpointSum)); - + if(!ok) return 0; - + return 1; } @@ -4418,17 +4418,17 @@ static int yaffs_ReadCheckpointSum(yaffs_Device *dev) __u32 checkpointSum0; __u32 checkpointSum1; int ok; - + yaffs_GetCheckpointSum(dev,&checkpointSum0); - + ok = (yaffs_CheckpointRead(dev,&checkpointSum1,sizeof(checkpointSum1)) == sizeof(checkpointSum1)); - + if(!ok) return 0; - + if(checkpointSum0 != checkpointSum1) return 0; - + return 1; } @@ -4437,15 +4437,15 @@ static int yaffs_WriteCheckpointData(yaffs_Device *dev) { int ok = 1; - + if(dev->skipCheckpointWrite || !dev->isYaffs2){ T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint write" TENDSTR))); ok = 0; } - + if(ok) ok = yaffs_CheckpointOpen(dev,1); - + if(ok){ T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR))); ok = yaffs_WriteCheckpointValidityMarker(dev,1); @@ -4462,18 +4462,18 @@ static int yaffs_WriteCheckpointData(yaffs_Device *dev) T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR))); ok = yaffs_WriteCheckpointValidityMarker(dev,0); } - + if(ok){ ok = yaffs_WriteCheckpointSum(dev); } - - + + if(!yaffs_CheckpointClose(dev)) ok = 0; - + if(ok) dev->isCheckpointed = 1; - else + else dev->isCheckpointed = 0; return dev->isCheckpointed; @@ -4482,17 +4482,17 @@ static int yaffs_WriteCheckpointData(yaffs_Device *dev) static int yaffs_ReadCheckpointData(yaffs_Device *dev) { int ok = 1; - + if(dev->skipCheckpointRead || !dev->isYaffs2){ T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint read" TENDSTR))); ok = 0; } - + if(ok) ok = yaffs_CheckpointOpen(dev,0); /* open for read */ - + if(ok){ - T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR))); + T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR))); ok = yaffs_ReadCheckpointValidityMarker(dev,1); } if(ok){ @@ -4500,14 +4500,14 @@ static int yaffs_ReadCheckpointData(yaffs_Device *dev) ok = yaffs_ReadCheckpointDevice(dev); } if(ok){ - T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint objects" TENDSTR))); + T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint objects" TENDSTR))); ok = yaffs_ReadCheckpointObjects(dev); } if(ok){ T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR))); ok = yaffs_ReadCheckpointValidityMarker(dev,0); } - + if(ok){ ok = yaffs_ReadCheckpointSum(dev); T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint checksum %d" TENDSTR),ok)); @@ -4518,7 +4518,7 @@ static int yaffs_ReadCheckpointData(yaffs_Device *dev) if(ok) dev->isCheckpointed = 1; - else + else dev->isCheckpointed = 0; return ok ? 1 : 0; @@ -4527,7 +4527,7 @@ static int yaffs_ReadCheckpointData(yaffs_Device *dev) static void yaffs_InvalidateCheckpoint(yaffs_Device *dev) { - if(dev->isCheckpointed || + if(dev->isCheckpointed || dev->blocksInCheckpoint > 0){ dev->isCheckpointed = 0; yaffs_CheckpointInvalidateStream(dev); @@ -4550,7 +4550,7 @@ int yaffs_CheckpointSave(yaffs_Device *dev) yaffs_InvalidateCheckpoint(dev); yaffs_WriteCheckpointData(dev); } - + T(YAFFS_TRACE_ALWAYS,(TSTR("save exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed)); return dev->isCheckpointed; @@ -4560,7 +4560,7 @@ int yaffs_CheckpointRestore(yaffs_Device *dev) { int retval; T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed)); - + retval = yaffs_ReadCheckpointData(dev); if(dev->isCheckpointed){ @@ -4570,7 +4570,7 @@ int yaffs_CheckpointRestore(yaffs_Device *dev) } T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed)); - + return retval; } @@ -4606,7 +4606,7 @@ int yaffs_ReadDataFromFile(yaffs_Object * in, __u8 * buffer, loff_t offset, chunk++; /* OK now check for the curveball where the start and end are in - * the same chunk. + * the same chunk. */ if ((start + n) < dev->nDataBytesPerChunk) { nToCopy = n; @@ -4763,7 +4763,7 @@ int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset, yaffs_ChunkCache *cache; /* If we can't find the data in the cache, then load the cache */ cache = yaffs_FindChunkCache(in, chunk); - + if (!cache && yaffs_CheckSpaceForAllocation(in-> myDev)) { @@ -4776,12 +4776,12 @@ int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset, cache-> data); } - else if(cache && + else if(cache && !cache->dirty && !yaffs_CheckSpaceForAllocation(in->myDev)){ /* Drop the cache if it was a read cache item and * no space check has been made for it. - */ + */ cache = NULL; } @@ -4945,7 +4945,7 @@ int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize) int oldFileSize = in->variant.fileVariant.fileSize; int newSizeOfPartialChunk; int newFullChunks; - + yaffs_Device *dev = in->myDev; yaffs_AddrToChunk(dev, newSize, &newFullChunks, &newSizeOfPartialChunk); @@ -4969,7 +4969,7 @@ int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize) if (newSizeOfPartialChunk != 0) { int lastChunk = 1 + newFullChunks; - + __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__); /* Got to read and rewrite the last chunk with its new size and zero pad */ @@ -4993,8 +4993,8 @@ int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize) in->variant.fileVariant.fileSize = newSize; } - - + + /* Write a new object header. * show we've shrunk the file, if need be * Do this only if the file is not in the deleted directories. @@ -5313,7 +5313,7 @@ static void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList) { yaffs_Object *hl; yaffs_Object *in; - + while (hardList) { hl = hardList; hardList = (yaffs_Object *) (hardList->hardLinks.next); @@ -5376,9 +5376,9 @@ static int yaffs_Scan(yaffs_Device * dev) yaffs_Object *in; yaffs_Object *parent; int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; - + int alloc_failed = 0; - + __u8 *chunkData; @@ -5389,9 +5389,9 @@ static int yaffs_Scan(yaffs_Device * dev) (TSTR("yaffs_Scan is not for YAFFS2!" TENDSTR))); return YAFFS_FAIL; } - + //TODO Throw all the yaffs2 stuuf out of yaffs_Scan since it is only for yaffs1 format. - + T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan starts intstartblk %d intendblk %d..." TENDSTR), dev->internalStartBlock, dev->internalEndBlock)); @@ -5520,7 +5520,7 @@ static int yaffs_Scan(yaffs_Device * dev) /*T((" %d %d deleted\n",blk,c)); */ } else if (!tags.chunkUsed) { /* An unassigned chunk in the block - * This means that either the block is empty or + * This means that either the block is empty or * this is the one being allocated from */ @@ -5537,9 +5537,9 @@ static int yaffs_Scan(yaffs_Device * dev) state = YAFFS_BLOCK_STATE_ALLOCATING; dev->allocationBlock = blk; dev->allocationPage = c; - dev->allocationBlockFinder = blk; + dev->allocationBlockFinder = blk; /* Set it to here to encourage the allocator to go forth from here. */ - + /* Yaffs2 sanity check: * This should be the one with the highest sequence number */ @@ -5569,7 +5569,7 @@ static int yaffs_Scan(yaffs_Device * dev) /* PutChunkIntoFile checks for a clash (two data chunks with * the same chunkId). */ - + if(!in) alloc_failed = 1; @@ -5577,11 +5577,11 @@ static int yaffs_Scan(yaffs_Device * dev) if(!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk,1)) alloc_failed = 1; } - + endpos = (tags.chunkId - 1) * dev->nDataBytesPerChunk + tags.byteCount; - if (in && + if (in && in->variantType == YAFFS_OBJECT_TYPE_FILE && in->variant.fileVariant.scannedFileSize < endpos) { @@ -5613,7 +5613,7 @@ static int yaffs_Scan(yaffs_Device * dev) tags.objectId); if (in && in->variantType != oh->type) { /* This should not happen, but somehow - * Wev'e ended up with an objectId that has been reused but not yet + * Wev'e ended up with an objectId that has been reused but not yet * deleted, and worse still it has changed type. Delete the old object. */ @@ -5629,7 +5629,7 @@ static int yaffs_Scan(yaffs_Device * dev) if(!in) alloc_failed = 1; - + if (in && oh->shadowsObject > 0) { yaffs_HandleShadowedObject(dev, oh-> @@ -5752,11 +5752,11 @@ static int yaffs_Scan(yaffs_Device * dev) * Since we might scan a hardlink before its equivalent object is scanned * we put them all in a list. * After scanning is complete, we should have all the objects, so we run through this - * list and fix up all the chains. + * list and fix up all the chains. */ switch (in->variantType) { - case YAFFS_OBJECT_TYPE_UNKNOWN: + case YAFFS_OBJECT_TYPE_UNKNOWN: /* Todo got a problem */ break; case YAFFS_OBJECT_TYPE_FILE: @@ -5791,7 +5791,7 @@ static int yaffs_Scan(yaffs_Device * dev) case YAFFS_OBJECT_TYPE_SPECIAL: /* Do nothing */ break; - case YAFFS_OBJECT_TYPE_SYMLINK: + case YAFFS_OBJECT_TYPE_SYMLINK: in->variant.symLinkVariant.alias = yaffs_CloneString(oh->alias); if(!in->variant.symLinkVariant.alias) @@ -5826,11 +5826,11 @@ static int yaffs_Scan(yaffs_Device * dev) if (blockIndex) { YFREE(blockIndex); } - - + + /* Ok, we've done all the scanning. * Fix up the hard link chains. - * We should now have scanned all the objects, now it's time to add these + * We should now have scanned all the objects, now it's time to add these * hardlinks. */ @@ -5860,9 +5860,9 @@ static int yaffs_Scan(yaffs_Device * dev) if(alloc_failed){ return YAFFS_FAIL; } - + T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan ends" TENDSTR))); - + return YAFFS_OK; } @@ -5878,7 +5878,7 @@ static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) if(!in) return; - + #if 0 T(YAFFS_TRACE_SCAN,(TSTR("details for object %d %s loaded" TENDSTR), in->objectId, @@ -5890,7 +5890,7 @@ static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) chunkData = yaffs_GetTempBuffer(dev, __LINE__); result = yaffs_ReadChunkWithTagsFromNAND(dev,in->chunkId,chunkData,&tags); - oh = (yaffs_ObjectHeader *) chunkData; + oh = (yaffs_ObjectHeader *) chunkData; in->yst_mode = oh->yst_mode; #ifdef CONFIG_YAFFS_WINCE @@ -5907,17 +5907,17 @@ static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) in->yst_mtime = oh->yst_mtime; in->yst_ctime = oh->yst_ctime; in->yst_rdev = oh->yst_rdev; - + #endif yaffs_SetObjectName(in, oh->name); - + if(in->variantType == YAFFS_OBJECT_TYPE_SYMLINK){ in->variant.symLinkVariant.alias = yaffs_CloneString(oh->alias); if(!in->variant.symLinkVariant.alias) alloc_failed = 1; /* Not returned to caller */ } - + yaffs_ReleaseTempBuffer(dev,chunkData, __LINE__); } } @@ -5945,13 +5945,13 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; int itsUnlinked; __u8 *chunkData; - + int fileSize; int isShrink; int foundChunksInBlock; int equivalentObjectId; int alloc_failed = 0; - + yaffs_BlockIndex *blockIndex = NULL; int altBlockIndex = 0; @@ -5971,20 +5971,20 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER; blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex)); - + if(!blockIndex) { blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex)); altBlockIndex = 1; } - + if(!blockIndex) { T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan() could not allocate block index!" TENDSTR))); return YAFFS_FAIL; } - + dev->blocksInCheckpoint = 0; - + chunkData = yaffs_GetTempBuffer(dev, __LINE__); /* Scan all the blocks to determine their state */ @@ -6001,15 +6001,15 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) if(bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) bi->blockState = state = YAFFS_BLOCK_STATE_CHECKPOINT; - + T(YAFFS_TRACE_SCAN_DEBUG, (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk, state, sequenceNumber)); - + if(state == YAFFS_BLOCK_STATE_CHECKPOINT){ dev->blocksInCheckpoint++; - + } else if (state == YAFFS_BLOCK_STATE_DEAD) { T(YAFFS_TRACE_BAD_BLOCKS, (TSTR("block %d is bad" TENDSTR), blk)); @@ -6058,7 +6058,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) #else { /* Dungy old bubble sort... */ - + yaffs_BlockIndex temp; int i; int j; @@ -6094,22 +6094,22 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) blk = blockIndex[blockIterator].block; bi = yaffs_GetBlockInfo(dev, blk); - - + + state = bi->blockState; deleted = 0; /* For each chunk in each block that needs scanning.... */ foundChunksInBlock = 0; - for (c = dev->nChunksPerBlock - 1; + for (c = dev->nChunksPerBlock - 1; !alloc_failed && c >= 0 && (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING || state == YAFFS_BLOCK_STATE_ALLOCATING); c--) { - /* Scan backwards... + /* Scan backwards... * Read the tags and decide what to do */ - + chunk = blk * dev->nChunksPerBlock + c; result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, NULL, @@ -6123,14 +6123,14 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) * it is a chunk that was skipped due to failing the erased * check. Just skip it so that it can be deleted. * But, more typically, We get here when this is an unallocated - * chunk and his means that either the block is empty or + * chunk and his means that either the block is empty or * this is the one being allocated from */ if(foundChunksInBlock) { /* This is a chunk that was skipped due to failing the erased check */ - + } else if (c == 0) { /* We're looking at the first chunk in the block so the block is unused */ state = YAFFS_BLOCK_STATE_EMPTY; @@ -6140,7 +6140,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) state == YAFFS_BLOCK_STATE_ALLOCATING) { if(dev->sequenceNumber == bi->sequenceNumber) { /* this is the block being allocated from */ - + T(YAFFS_TRACE_SCAN, (TSTR (" Allocating from %d %d" @@ -6149,34 +6149,34 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) state = YAFFS_BLOCK_STATE_ALLOCATING; dev->allocationBlock = blk; dev->allocationPage = c; - dev->allocationBlockFinder = blk; + dev->allocationBlockFinder = blk; } else { /* This is a partially written block that is not * the current allocation block. This block must have * had a write failure, so set up for retirement. */ - + bi->needsRetiring = 1; bi->gcPrioritise = 1; - + T(YAFFS_TRACE_ALWAYS, (TSTR("Partially written block %d being set for retirement" TENDSTR), blk)); } } - + } dev->nFreeChunks++; - + } else if (tags.chunkId > 0) { /* chunkId > 0 so it is a data chunk... */ unsigned int endpos; __u32 chunkBase = (tags.chunkId - 1) * dev->nDataBytesPerChunk; - + foundChunksInBlock = 1; @@ -6191,7 +6191,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) /* Out of memory */ alloc_failed = 1; } - + if (in && in->variantType == YAFFS_OBJECT_TYPE_FILE && chunkBase < @@ -6202,14 +6202,14 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) alloc_failed = 1; } - /* File size is calculated by looking at the data chunks if we have not + /* File size is calculated by looking at the data chunks if we have not * seen an object header yet. Stop this practice once we find an object header. */ endpos = (tags.chunkId - 1) * dev->nDataBytesPerChunk + tags.byteCount; - + if (!in->valid && /* have not got an object header yet */ in->variant.fileVariant. scannedFileSize < endpos) { @@ -6255,7 +6255,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) ) { /* If we don't have valid info then we need to read the chunk - * TODO In future we can probably defer reading the chunk and + * TODO In future we can probably defer reading the chunk and * living with invalid data until needed. */ @@ -6283,12 +6283,12 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) if (in->valid) { /* We have already filled this one. - * We have a duplicate that will be discarded, but + * We have a duplicate that will be discarded, but * we first have to suck out resize info if it is a file. */ - if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) && - ((oh && + if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) && + ((oh && oh-> type == YAFFS_OBJECT_TYPE_FILE)|| (tags.extraHeaderInfoAvailable && tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE)) @@ -6339,7 +6339,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) YAFFS_OBJECTID_LOSTNFOUND)) { /* We only load some info, don't fiddle with directory structure */ in->valid = 1; - + if(oh) { in->variantType = oh->type; @@ -6358,13 +6358,13 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) in->yst_mtime = oh->yst_mtime; in->yst_ctime = oh->yst_ctime; in->yst_rdev = oh->yst_rdev; - + #endif } else { in->variantType = tags.extraObjectType; in->lazyLoaded = 1; } - + in->chunkId = chunk; } else if (!in->valid) { @@ -6372,7 +6372,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) in->valid = 1; in->chunkId = chunk; - + if(oh) { in->variantType = oh->type; @@ -6393,12 +6393,12 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) in->yst_rdev = oh->yst_rdev; #endif - if (oh->shadowsObject > 0) + if (oh->shadowsObject > 0) yaffs_HandleShadowedObject(dev, oh-> shadowsObject, 1); - + yaffs_SetObjectName(in, oh->name); parent = @@ -6466,11 +6466,11 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) * Since we might scan a hardlink before its equivalent object is scanned * we put them all in a list. * After scanning is complete, we should have all the objects, so we run - * through this list and fix up all the chains. + * through this list and fix up all the chains. */ switch (in->variantType) { - case YAFFS_OBJECT_TYPE_UNKNOWN: + case YAFFS_OBJECT_TYPE_UNKNOWN: /* Todo got a problem */ break; case YAFFS_OBJECT_TYPE_FILE: @@ -6479,7 +6479,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) scannedFileSize < fileSize) { /* This covers the case where the file size is greater * than where the data is - * This will happen if the file is resized to be larger + * This will happen if the file is resized to be larger * than its current data extents. */ in->variant.fileVariant.fileSize = fileSize; @@ -6520,7 +6520,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) } } - + } } /* End of scanning for each chunk */ @@ -6541,19 +6541,19 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) } - if (altBlockIndex) + if (altBlockIndex) YFREE_ALT(blockIndex); else YFREE(blockIndex); - + /* Ok, we've done all the scanning. * Fix up the hard link chains. - * We should now have scanned all the objects, now it's time to add these + * We should now have scanned all the objects, now it's time to add these * hardlinks. */ yaffs_HardlinkFixup(dev,hardList); - - + + /* * Sort out state of unlinked and deleted objects. */ @@ -6586,7 +6586,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) } yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__); - + if(alloc_failed){ return YAFFS_FAIL; } @@ -6601,10 +6601,10 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj) { yaffs_Device *dev = obj->myDev; - + if(dev && dev->removeObjectCallback) dev->removeObjectCallback(obj); - + list_del_init(&obj->siblings); obj->parent = NULL; } @@ -6682,7 +6682,7 @@ yaffs_Object *yaffs_FindObjectByName(yaffs_Object * directory, list_for_each(i, &directory->variant.directoryVariant.children) { if (i) { l = list_entry(i, yaffs_Object, siblings); - + yaffs_CheckObjectDetailsLoaded(l); /* Special case for lost-n-found */ @@ -6690,7 +6690,7 @@ yaffs_Object *yaffs_FindObjectByName(yaffs_Object * directory, if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0) { return l; } - } else if (yaffs_SumCompare(l->sum, sum) || l->chunkId <= 0) + } else if (yaffs_SumCompare(l->sum, sum) || l->chunkId <= 0) { /* LostnFound cunk called Objxxx * Do a real check @@ -6762,7 +6762,7 @@ yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj) int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize) { memset(name, 0, buffSize * sizeof(YCHAR)); - + yaffs_CheckObjectDetailsLoaded(obj); if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) { @@ -6994,13 +6994,13 @@ static int yaffs_CheckDevFunctions(const yaffs_Device * dev) static int yaffs_CreateInitialDirectories(yaffs_Device *dev) { /* Initialise the unlinked, deleted, root and lost and found directories */ - + dev->lostNFoundDir = dev->rootDir = NULL; dev->unlinkedDir = dev->deletedDir = NULL; dev->unlinkedDir = yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_UNLINKED, S_IFDIR); - + dev->deletedDir = yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_DELETED, S_IFDIR); @@ -7010,12 +7010,12 @@ static int yaffs_CreateInitialDirectories(yaffs_Device *dev) dev->lostNFoundDir = yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_LOSTNFOUND, YAFFS_LOSTNFOUND_MODE | S_IFDIR); - + if(dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir){ yaffs_AddObjectToDirectory(dev->rootDir, dev->lostNFoundDir); return YAFFS_OK; } - + return YAFFS_FAIL; } @@ -7049,12 +7049,12 @@ int yaffs_GutsInitialise(yaffs_Device * dev) /* Check geometry parameters. */ - if ((dev->isYaffs2 && dev->nDataBytesPerChunk < 1024) || - (!dev->isYaffs2 && dev->nDataBytesPerChunk != 512) || - dev->nChunksPerBlock < 2 || - dev->nReservedBlocks < 2 || - dev->internalStartBlock <= 0 || - dev->internalEndBlock <= 0 || + if ((dev->isYaffs2 && dev->nDataBytesPerChunk < 1024) || + (!dev->isYaffs2 && dev->nDataBytesPerChunk != 512) || + dev->nChunksPerBlock < 2 || + dev->nReservedBlocks < 2 || + dev->internalStartBlock <= 0 || + dev->internalEndBlock <= 0 || dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2) // otherwise it is too small ) { T(YAFFS_TRACE_ALWAYS, @@ -7100,9 +7100,9 @@ int yaffs_GutsInitialise(yaffs_Device * dev) /* OK now calculate a few things for the device */ - + /* - * Calculate all the chunk size manipulation numbers: + * Calculate all the chunk size manipulation numbers: */ /* Start off assuming it is a power of 2 */ dev->chunkShift = ShiftDiv(dev->nDataBytesPerChunk); @@ -7121,7 +7121,7 @@ int yaffs_GutsInitialise(yaffs_Device * dev) dev->chunkShift = 0; dev->chunkMask = 0; } - + /* * Calculate chunkGroupBits. @@ -7129,9 +7129,9 @@ int yaffs_GutsInitialise(yaffs_Device * dev) */ x = dev->nChunksPerBlock * (dev->internalEndBlock + 1); - + bits = ShiftsGE(x); - + /* Set up tnode width if wide tnodes are enabled. */ if(!dev->wideTnodesDisabled){ /* bits must be even so that we end up with 32-bit words */ @@ -7144,20 +7144,20 @@ int yaffs_GutsInitialise(yaffs_Device * dev) } else dev->tnodeWidth = 16; - + dev->tnodeMask = (1<<dev->tnodeWidth)-1; - + /* Level0 Tnodes are 16 bits or wider (if wide tnodes are enabled), * so if the bitwidth of the * chunk range we're using is greater than 16 we need * to figure out chunk shift and chunkGroupSize */ - + if (bits <= dev->tnodeWidth) dev->chunkGroupBits = 0; else dev->chunkGroupBits = bits - dev->tnodeWidth; - + dev->chunkGroupSize = 1 << dev->chunkGroupBits; @@ -7195,11 +7195,11 @@ int yaffs_GutsInitialise(yaffs_Device * dev) /* Initialise temporary buffers and caches. */ if(!yaffs_InitialiseTempBuffers(dev)) init_failed = 1; - + dev->srCache = NULL; dev->gcCleanupList = NULL; - - + + if (!init_failed && dev->nShortOpCaches > 0) { int i; @@ -7211,10 +7211,10 @@ int yaffs_GutsInitialise(yaffs_Device * dev) } buf = dev->srCache = YMALLOC(srCacheBytes); - + if(dev->srCache) memset(dev->srCache,0,srCacheBytes); - + for (i = 0; i < dev->nShortOpCaches && buf; i++) { dev->srCache[i].object = NULL; dev->srCache[i].lastUse = 0; @@ -7223,12 +7223,12 @@ int yaffs_GutsInitialise(yaffs_Device * dev) } if(!buf) init_failed = 1; - + dev->srLastUse = 0; } dev->cacheHits = 0; - + if(!init_failed){ dev->gcCleanupList = YMALLOC(dev->nChunksPerBlock * sizeof(__u32)); if(!dev->gcCleanupList) @@ -7240,7 +7240,7 @@ int yaffs_GutsInitialise(yaffs_Device * dev) } if(!init_failed && !yaffs_InitialiseBlocks(dev)) init_failed = 1; - + yaffs_InitialiseTnodes(dev); yaffs_InitialiseObjects(dev); @@ -7256,14 +7256,14 @@ int yaffs_GutsInitialise(yaffs_Device * dev) (TSTR("yaffs: restored from checkpoint" TENDSTR))); } else { - /* Clean up the mess caused by an aborted checkpoint load - * and scan backwards. + /* Clean up the mess caused by an aborted checkpoint load + * and scan backwards. */ yaffs_DeinitialiseBlocks(dev); yaffs_DeinitialiseTnodes(dev); yaffs_DeinitialiseObjects(dev); - - + + dev->nErasedBlocks = 0; dev->nFreeChunks = 0; dev->allocationBlock = -1; @@ -7275,7 +7275,7 @@ int yaffs_GutsInitialise(yaffs_Device * dev) if(!init_failed && !yaffs_InitialiseBlocks(dev)) init_failed = 1; - + yaffs_InitialiseTnodes(dev); yaffs_InitialiseObjects(dev); @@ -7289,7 +7289,7 @@ int yaffs_GutsInitialise(yaffs_Device * dev) if(!yaffs_Scan(dev)) init_failed = 1; } - + if(init_failed){ /* Clean up the mess */ T(YAFFS_TRACE_TRACING, @@ -7310,7 +7310,7 @@ int yaffs_GutsInitialise(yaffs_Device * dev) yaffs_VerifyFreeChunks(dev); yaffs_VerifyBlocks(dev); - + T(YAFFS_TRACE_TRACING, (TSTR("yaffs: yaffs_GutsInitialise() done.\n" TENDSTR))); @@ -7394,7 +7394,7 @@ int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev) #endif nFree += dev->nDeletedFiles; - + /* Now count the number of dirty chunks in the cache and subtract those */ { @@ -7408,12 +7408,12 @@ int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev) nFree -= nDirtyCacheChunks; nFree -= ((dev->nReservedBlocks + 1) * dev->nChunksPerBlock); - + /* Now we figure out how much to reserve for the checkpoint and report that... */ blocksForCheckpoint = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint; if(blocksForCheckpoint < 0) blocksForCheckpoint = 0; - + nFree -= (blocksForCheckpoint * dev->nChunksPerBlock); if (nFree < 0) @@ -7429,10 +7429,10 @@ static void yaffs_VerifyFreeChunks(yaffs_Device * dev) { int counted; int difference; - + if(yaffs_SkipVerification(dev)) return; - + counted = yaffs_CountFreeChunks(dev); difference = dev->nFreeChunks - counted; diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_guts.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_guts.h index 59c6e75acf..ea06c1a38e 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_guts.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_guts.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering @@ -22,11 +22,11 @@ #define YAFFS_OK 1 #define YAFFS_FAIL 0 -/* Give us a Y=0x59, - * Give us an A=0x41, - * Give us an FF=0xFF +/* Give us a Y=0x59, + * Give us an A=0x41, + * Give us an FF=0xFF * Give us an S=0x53 - * And what have we got... + * And what have we got... */ #define YAFFS_MAGIC 0x5941FF53 @@ -102,7 +102,7 @@ * The range is limited slightly to help distinguish bad numbers from good. * This also allows us to perhaps in the future use special numbers for * special purposes. - * EFFFFF00 allows the allocation of 8 blocks per second (~1Mbytes) for 15 years, + * EFFFFF00 allows the allocation of 8 blocks per second (~1Mbytes) for 15 years, * and is a larger number than the lifetime of a 2GB device. */ #define YAFFS_LOWEST_SEQUENCE_NUMBER 0x00001000 @@ -178,7 +178,7 @@ typedef struct { /* The following stuff only has meaning when we read */ yaffs_ECCResult eccResult; - unsigned blockBad; + unsigned blockBad; /* YAFFS 1 stuff */ unsigned chunkDeleted; /* The chunk is marked deleted */ @@ -244,29 +244,29 @@ typedef enum { /* This block is empty */ YAFFS_BLOCK_STATE_ALLOCATING, - /* This block is partially allocated. + /* 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 */ - YAFFS_BLOCK_STATE_FULL, + YAFFS_BLOCK_STATE_FULL, /* All the pages in this block have been allocated. */ YAFFS_BLOCK_STATE_DIRTY, - /* All pages have been allocated and deleted. + /* All pages have been allocated and deleted. * Erase me, reuse me. */ - YAFFS_BLOCK_STATE_CHECKPOINT, + YAFFS_BLOCK_STATE_CHECKPOINT, /* This block is assigned to holding checkpoint data. */ - YAFFS_BLOCK_STATE_COLLECTING, + YAFFS_BLOCK_STATE_COLLECTING, /* This block is being garbage collected */ - YAFFS_BLOCK_STATE_DEAD + YAFFS_BLOCK_STATE_DEAD /* This block has failed and is not in use */ } yaffs_BlockState; @@ -281,7 +281,7 @@ typedef struct { __u32 needsRetiring:1; /* Data has failed on this block, need to get valid data off */ /* and retire the block. */ __u32 skipErasedCheck: 1; /* If this is set we can skip the erased check on this block */ - __u32 gcPrioritise: 1; /* An ECC check or blank check has failed on this block. + __u32 gcPrioritise: 1; /* An ECC check or blank check has failed on this block. It should be prioritised for GC */ __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */ @@ -408,7 +408,7 @@ struct yaffs_ObjectStruct { __u8 renameAllowed:1; /* Some objects are not allowed to be renamed. */ __u8 unlinkAllowed:1; __u8 dirty:1; /* the object needs to be written to flash */ - __u8 valid:1; /* When the file system is being loaded up, this + __u8 valid:1; /* When the file system is being loaded up, this * object might be created before the data * is available (ie. file data records appear before the header). */ @@ -430,11 +430,11 @@ struct yaffs_ObjectStruct { /* directory structure stuff */ /* also used for linking up the free list */ - struct yaffs_ObjectStruct *parent; + struct yaffs_ObjectStruct *parent; struct list_head siblings; /* Where's my object header in NAND? */ - int chunkId; + int chunkId; int nDataChunks; /* Number of data chunks attached to the file. */ @@ -490,26 +490,26 @@ typedef struct { } yaffs_ObjectBucket; -/* yaffs_CheckpointObject holds the definition of an object as dumped +/* yaffs_CheckpointObject holds the definition of an object as dumped * by checkpointing. */ typedef struct { int structType; - __u32 objectId; + __u32 objectId; __u32 parentId; int chunkId; - + yaffs_ObjectType variantType:3; - __u8 deleted:1; - __u8 softDeleted:1; - __u8 unlinked:1; - __u8 fake:1; + __u8 deleted:1; + __u8 softDeleted:1; + __u8 unlinked:1; + __u8 fake:1; __u8 renameAllowed:1; __u8 unlinkAllowed:1; - __u8 serial; - - int nDataChunks; + __u8 serial; + + int nDataChunks; __u32 fileSizeOrEquivalentObjectId; }yaffs_CheckpointObject; @@ -539,14 +539,14 @@ struct yaffs_DeviceStruct { int endBlock; /* End block we're allowed to use */ int nReservedBlocks; /* We want this tuneable so that we can reduce */ /* 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 @@ -561,7 +561,7 @@ struct yaffs_DeviceStruct { * On an mtd this holds the mtd pointer. */ void *superBlock; - + /* NAND access functions (Must be set before calling YAFFS)*/ int (*writeChunkToNAND) (struct yaffs_DeviceStruct * dev, @@ -587,21 +587,21 @@ struct yaffs_DeviceStruct { #endif int isYaffs2; - - /* The removeObjectCallback function must be supplied by OS flavours that + + /* The removeObjectCallback function must be supplied by OS flavours that * need it. The Linux kernel does not use this, but yaffs direct does use * it to implement the faster readdir */ void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj); - + /* Callback to mark the superblock dirsty */ void (*markSuperBlockDirty)(void * superblock); - + int wideTnodesDisabled; /* Set to disable wide tnodes */ - + /* End of stuff that must be set before initialisation. */ - + /* Checkpoint control. Can be set before or after initialisation */ __u8 skipCheckpointRead; __u8 skipCheckpointWrite; @@ -610,34 +610,34 @@ struct yaffs_DeviceStruct { __u16 chunkGroupBits; /* 0 for devices <= 32MB. else log2(nchunks) - 16 */ __u16 chunkGroupSize; /* == 2^^chunkGroupBits */ - + /* Stuff to support wide tnodes */ __u32 tnodeWidth; __u32 tnodeMask; - + /* Stuff to support various file offses to chunk/offset translations */ /* "Crumbs" for nDataBytesPerChunk not being a power of 2 */ __u32 crumbMask; __u32 crumbShift; __u32 crumbsPerChunk; - + /* Straight shifting for nDataBytesPerChunk being a power of 2 */ __u32 chunkShift; __u32 chunkMask; - + #ifdef __KERNEL__ struct semaphore sem; /* Semaphore for waiting on erasure.*/ struct semaphore grossLock; /* Gross locking semaphore */ - __u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer + __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); #endif int isMounted; - + int isCheckpointed; @@ -646,7 +646,7 @@ struct yaffs_DeviceStruct { int internalEndBlock; int blockOffset; int chunkOffset; - + /* Runtime checkpointing stuff */ int checkpointPageSequence; /* running sequence number of checkpoint pages */ @@ -662,13 +662,13 @@ struct yaffs_DeviceStruct { int checkpointMaxBlocks; __u32 checkpointSum; __u32 checkpointXor; - + /* Block Info */ yaffs_BlockInfo *blockInfo; __u8 *chunkBits; /* bitmap of chunks in use */ unsigned blockInfoAlt:1; /* was allocated using alternative strategy */ unsigned chunkBitsAlt:1; /* was allocated using alternative strategy */ - int chunkBitmapStride; /* Number of bytes of chunkBits per block. + int chunkBitmapStride; /* Number of bytes of chunkBits per block. * Must be consistent with nChunksPerBlock. */ @@ -716,7 +716,7 @@ struct yaffs_DeviceStruct { int tagsEccUnfixed; int nDeletions; int nUnmarkedDeletions; - + int hasPendingPrioritisedGCs; /* We think this device might have pending prioritised gcs */ /* Special directories */ @@ -727,7 +727,7 @@ struct yaffs_DeviceStruct { * __u8 bufferedData[YAFFS_CHUNKS_PER_BLOCK][YAFFS_BYTES_PER_CHUNK]; * yaffs_Spare bufferedSpare[YAFFS_CHUNKS_PER_BLOCK]; */ - + int bufferedBlock; /* Which block is buffered here? */ int doingBufferedBlockRewrite; @@ -768,7 +768,7 @@ typedef struct { int endBlock; int rfu[100]; } yaffs_SuperBlockHeader; - + /* The CheckpointDevice structure holds the device information that changes at runtime and * must be preserved over unmount/mount cycles. */ diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif.c index 6e2a9de222..466e5a44c6 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif.c @@ -172,7 +172,7 @@ int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data, __u8 *spareAsBytes = (__u8 *) spare; if (data && spare) { - if (dev->useNANDECC) { + if (dev->useNANDECC) { /* Careful, this call adds 2 ints */ /* to the end of the spare data. Calling function */ /* should allocate enough memory for spare, */ diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif.h index f75e08c23a..317600cac9 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif1-compat.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif1-compat.c index ebf6647e83..6ea675611d 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif1-compat.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif1-compat.c @@ -30,9 +30,9 @@ Message-Id: <200705181006.49860.ian@brightstareng.com> X-Virus-Scanned: by amavisd-new at brightstareng.com Status: R X-Status: NT -X-KMail-EncryptionState: -X-KMail-SignatureState: -X-KMail-MDN-Sent: +X-KMail-EncryptionState: +X-KMail-SignatureState: +X-KMail-MDN-Sent: --Boundary-00=_5LbTGmt62YoutxM Content-Type: text/plain; @@ -49,9 +49,9 @@ On Friday 18 May 2007 08:34, you wrote: Good news! -Attached is a newer yaffs_mtdif1.c with a bandaid to help the +Attached is a newer yaffs_mtdif1.c with a bandaid to help the 2.6.18 and 2.6.19 versions of MTD not trip on the oob read. -See the LINUX_VERSION_CODE conditional in +See the LINUX_VERSION_CODE conditional in nandmtd1_ReadChunkWithTagsFromNAND. -imcd @@ -361,7 +361,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) } /* Check any MTD prerequists. - * + * * Returns YAFFS_OK or YAFFS_FAIL. */ static int nandmtd1_TestPrerequists(struct mtd_info * mtd) diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif1.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif1.c index 15b5a97046..36d5adec5c 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif1.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif1.c @@ -295,7 +295,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) } /* Check any MTD prerequists. - * + * * Returns YAFFS_OK or YAFFS_FAIL. */ static int nandmtd1_TestPrerequists(struct mtd_info * mtd) diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif2.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif2.c index d927c76737..cdad0734bf 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif2.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif2.c @@ -158,7 +158,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, if (tags) yaffs_UnpackTags2(tags, &pt); - + if(tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR) tags->eccResult = YAFFS_ECC_RESULT_UNFIXED; diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif2.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif2.h index e70d751c21..b67ba52aa4 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif2.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_mtdif2.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nand.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nand.c index c33483c359..4e250338d7 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nand.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nand.c @@ -10,7 +10,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - + const char *yaffs_nand_c_version = "$Id: yaffs_nand.c,v 1.7 2007-02-14 01:09:06 wookey Exp $"; @@ -25,9 +25,9 @@ int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, { int result; yaffs_ExtendedTags localTags; - + int realignedChunkInNAND = chunkInNAND - dev->chunkOffset; - + /* If there are no tags provided, use local tags to get prioritised gc working */ if(!tags) tags = &localTags; @@ -39,14 +39,14 @@ int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer, - tags); - if(tags && + tags); + if(tags && tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){ - + yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock); yaffs_HandleChunkError(dev,bi); } - + return result; } @@ -57,7 +57,7 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev, { chunkInNAND -= dev->chunkOffset; - + if (tags) { tags->sequenceNumber = dev->sequenceNumber; tags->chunkUsed = 1; @@ -131,4 +131,4 @@ int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev) } - + diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nand.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nand.h index 8ed1a2d5c4..5fa334bdc9 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nand.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nand.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nandemul2k.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nandemul2k.h index 13520e1059..cd2e96f7ae 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nandemul2k.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nandemul2k.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags1.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags1.h index 627b2f8f52..776c5c256c 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags1.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags1.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.c index 6860876c43..e420f95da1 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.c @@ -128,10 +128,10 @@ void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt) (yaffs_PackedTags2TagsPart), &pt->ecc, &ecc); switch(result){ - case 0: - t->eccResult = YAFFS_ECC_RESULT_NO_ERROR; + case 0: + t->eccResult = YAFFS_ECC_RESULT_NO_ERROR; break; - case 1: + case 1: t->eccResult = YAFFS_ECC_RESULT_FIXED; break; case -1: diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.h index 7c4a72c483..c2242ffe76 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_packedtags2.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_qsort.c b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_qsort.c index 0429838de8..474be9cea3 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_qsort.c +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_qsort.c @@ -50,7 +50,7 @@ static __inline void swapfunc(char *a, char *b, int n, int swaptype) { - if (swaptype <= 1) + if (swaptype <= 1) swapcode(long, a, b, n) else swapcode(char, a, b, n) @@ -137,7 +137,7 @@ loop: SWAPINIT(a, es); } if (swap_cnt == 0) { /* Switch to insertion sort */ for (pm = (char *) a + es; pm < (char *) a + n * es; pm += es) - for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0; + for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0; pl -= es) swap(pl, pl - es); return; @@ -150,7 +150,7 @@ loop: SWAPINIT(a, es); vecswap(pb, pn - r, r); if ((r = pb - pa) > es) yaffs_qsort(a, r / es, es, cmp); - if ((r = pd - pc) > es) { + if ((r = pd - pc) > es) { /* Iterate rather than recurse to save stack space */ a = pn - r; n = r / es; diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_qsort.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_qsort.h index 3ec73979de..610b7ec849 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_qsort.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_qsort.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_tagscompat.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_tagscompat.h index c1edb6a19a..a61e3ba14f 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_tagscompat.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_tagscompat.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_tagsvalidity.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_tagsvalidity.h index ba56727fff..2fd0c24ed2 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_tagsvalidity.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_tagsvalidity.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffsinterface.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffsinterface.h index 0cfdfcf6ba..810837a32d 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffsinterface.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffsinterface.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yportenv.h b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yportenv.h index 8b80c6d688..15ac28121c 100644 --- a/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yportenv.h +++ b/target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yportenv.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering @@ -150,7 +150,7 @@ extern unsigned int yaffs_wr_attempts; * Tracing flags. * The flags masked in YAFFS_TRACE_ALWAYS are always traced. */ - + #define YAFFS_TRACE_OS 0x00000002 #define YAFFS_TRACE_ALLOCATE 0x00000004 #define YAFFS_TRACE_SCAN 0x00000008 diff --git a/target/linux/generic-2.6/files/fs/yaffs2/Kconfig b/target/linux/generic-2.6/files/fs/yaffs2/Kconfig index f55b3c5107..7b6f836cda 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/Kconfig +++ b/target/linux/generic-2.6/files/fs/yaffs2/Kconfig @@ -26,7 +26,7 @@ config YAFFS_YAFFS1 default y help Enable YAFFS1 support -- yaffs for 512 byte / page devices - + Not needed for 2K-page devices. If unsure, say Y. @@ -157,9 +157,9 @@ config YAFFS_ALWAYS_CHECK_CHUNK_ERASED Enabling this forces on the test that chunks are erased in flash before writing to them. This takes more time but is potentially a bit more secure. - + Suggest setting Y during development and ironing out driver - issues etc. Suggest setting to N if you want faster writing. + issues etc. Suggest setting to N if you want faster writing. If unsure, say Y. diff --git a/target/linux/generic-2.6/files/fs/yaffs2/devextras.h b/target/linux/generic-2.6/files/fs/yaffs2/devextras.h index 9635c7a738..fcf2690a56 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/devextras.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/devextras.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering @@ -15,7 +15,7 @@ /* * This file is just holds extra declarations used during development. - * Most of these are from kernel includes placed here so we can use them in + * Most of these are from kernel includes placed here so we can use them in * applications. * */ diff --git a/target/linux/generic-2.6/files/fs/yaffs2/moduleconfig.h b/target/linux/generic-2.6/files/fs/yaffs2/moduleconfig.h index 8eb1ca314f..016391ca59 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/moduleconfig.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/moduleconfig.h @@ -1,10 +1,10 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * - * Created by Martin Fouts <Martin.Fouts@palmsource.com> + * Created by Martin Fouts <Martin.Fouts@palmsource.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 2.1 as diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_checkptrw.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_checkptrw.c index 2f3f875f75..933a33fb8b 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_checkptrw.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_checkptrw.c @@ -22,27 +22,27 @@ static int yaffs_CheckpointSpaceOk(yaffs_Device *dev) { int blocksAvailable = dev->nErasedBlocks - dev->nReservedBlocks; - + T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpt blocks available = %d" TENDSTR), blocksAvailable)); - - + + return (blocksAvailable <= 0) ? 0 : 1; } static int yaffs_CheckpointErase(yaffs_Device *dev) { - + int i; - - if(!dev->eraseBlockInNAND) + + if(!dev->eraseBlockInNAND) return 0; T(YAFFS_TRACE_CHECKPOINT,(TSTR("checking blocks %d to %d"TENDSTR), dev->internalStartBlock,dev->internalEndBlock)); - + for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i); if(bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT){ @@ -58,9 +58,9 @@ static int yaffs_CheckpointErase(yaffs_Device *dev) } } } - + dev->blocksInCheckpoint = 0; - + return 1; } @@ -72,11 +72,11 @@ static void yaffs_CheckpointFindNextErasedBlock(yaffs_Device *dev) T(YAFFS_TRACE_CHECKPOINT, (TSTR("allocating checkpt block: erased %d reserved %d avail %d next %d "TENDSTR), dev->nErasedBlocks,dev->nReservedBlocks,blocksAvailable,dev->checkpointNextBlock)); - + if(dev->checkpointNextBlock >= 0 && dev->checkpointNextBlock <= dev->internalEndBlock && blocksAvailable > 0){ - + for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i); if(bi->blockState == YAFFS_BLOCK_STATE_EMPTY){ @@ -88,7 +88,7 @@ static void yaffs_CheckpointFindNextErasedBlock(yaffs_Device *dev) } } T(YAFFS_TRACE_CHECKPOINT,(TSTR("out of checkpt blocks"TENDSTR))); - + dev->checkpointNextBlock = -1; dev->checkpointCurrentBlock = -1; } @@ -97,19 +97,19 @@ static void yaffs_CheckpointFindNextCheckpointBlock(yaffs_Device *dev) { int i; yaffs_ExtendedTags tags; - + T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR), dev->blocksInCheckpoint, dev->checkpointNextBlock)); - - if(dev->blocksInCheckpoint < dev->checkpointMaxBlocks) + + if(dev->blocksInCheckpoint < dev->checkpointMaxBlocks) for(i = dev->checkpointNextBlock; i <= dev->internalEndBlock; i++){ int chunk = i * dev->nChunksPerBlock; int realignedChunk = chunk - dev->chunkOffset; dev->readChunkWithTagsFromNAND(dev,realignedChunk,NULL,&tags); - T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR), + T(YAFFS_TRACE_CHECKPOINT,(TSTR("find next checkpt block: search: block %d oid %d seq %d eccr %d" TENDSTR), i, tags.objectId,tags.sequenceNumber,tags.eccResult)); - + if(tags.sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA){ /* Right kind of block */ dev->checkpointNextBlock = tags.objectId; @@ -130,7 +130,7 @@ static void yaffs_CheckpointFindNextCheckpointBlock(yaffs_Device *dev) int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting) { - + /* Got the functions we need? */ if (!dev->writeChunkWithTagsToNAND || !dev->readChunkWithTagsFromNAND || @@ -140,31 +140,31 @@ int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting) if(forWriting && !yaffs_CheckpointSpaceOk(dev)) return 0; - + if(!dev->checkpointBuffer) dev->checkpointBuffer = YMALLOC_DMA(dev->nDataBytesPerChunk); if(!dev->checkpointBuffer) return 0; - + dev->checkpointPageSequence = 0; - + dev->checkpointOpenForWrite = forWriting; - + dev->checkpointByteCount = 0; dev->checkpointSum = 0; dev->checkpointXor = 0; dev->checkpointCurrentBlock = -1; dev->checkpointCurrentChunk = -1; dev->checkpointNextBlock = dev->internalStartBlock; - + /* Erase all the blocks in the checkpoint area */ if(forWriting){ memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk); dev->checkpointByteOffset = 0; return yaffs_CheckpointErase(dev); - - + + } else { int i; /* Set to a value that will kick off a read */ @@ -177,7 +177,7 @@ int yaffs_CheckpointOpen(yaffs_Device *dev, int forWriting) for(i = 0; i < dev->checkpointMaxBlocks; i++) dev->checkpointBlockList[i] = -1; } - + return 1; } @@ -196,15 +196,15 @@ static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev) int realignedChunk; yaffs_ExtendedTags tags; - + if(dev->checkpointCurrentBlock < 0){ yaffs_CheckpointFindNextErasedBlock(dev); dev->checkpointCurrentChunk = 0; } - + if(dev->checkpointCurrentBlock < 0) return 0; - + tags.chunkDeleted = 0; tags.objectId = dev->checkpointNextBlock; /* Hint to next place to look */ tags.chunkId = dev->checkpointPageSequence + 1; @@ -217,25 +217,25 @@ static int yaffs_CheckpointFlushBuffer(yaffs_Device *dev) bi->blockState = YAFFS_BLOCK_STATE_CHECKPOINT; dev->blocksInCheckpoint++; } - + chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk; - + T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR), - chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk,tags.objectId,tags.chunkId)); - + chunk, dev->checkpointCurrentBlock, dev->checkpointCurrentChunk,tags.objectId,tags.chunkId)); + realignedChunk = chunk - dev->chunkOffset; - + dev->writeChunkWithTagsToNAND(dev,realignedChunk,dev->checkpointBuffer,&tags); dev->checkpointByteOffset = 0; - dev->checkpointPageSequence++; + dev->checkpointPageSequence++; dev->checkpointCurrentChunk++; if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock){ dev->checkpointCurrentChunk = 0; dev->checkpointCurrentBlock = -1; } memset(dev->checkpointBuffer,0,dev->nDataBytesPerChunk); - + return 1; } @@ -245,37 +245,37 @@ int yaffs_CheckpointWrite(yaffs_Device *dev,const void *data, int nBytes) int i=0; int ok = 1; - + __u8 * dataBytes = (__u8 *)data; - - + + if(!dev->checkpointBuffer) return 0; - + if(!dev->checkpointOpenForWrite) return -1; while(i < nBytes && ok) { - - + + dev->checkpointBuffer[dev->checkpointByteOffset] = *dataBytes ; dev->checkpointSum += *dataBytes; dev->checkpointXor ^= *dataBytes; - + dev->checkpointByteOffset++; i++; dataBytes++; dev->checkpointByteCount++; - - + + if(dev->checkpointByteOffset < 0 || - dev->checkpointByteOffset >= dev->nDataBytesPerChunk) + dev->checkpointByteOffset >= dev->nDataBytesPerChunk) ok = yaffs_CheckpointFlushBuffer(dev); } - + return i; } @@ -285,12 +285,12 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) int ok = 1; yaffs_ExtendedTags tags; - + int chunk; int realignedChunk; __u8 *dataBytes = (__u8 *)data; - + if(!dev->checkpointBuffer) return 0; @@ -298,31 +298,31 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) return -1; while(i < nBytes && ok) { - - + + if(dev->checkpointByteOffset < 0 || dev->checkpointByteOffset >= dev->nDataBytesPerChunk) { - + if(dev->checkpointCurrentBlock < 0){ yaffs_CheckpointFindNextCheckpointBlock(dev); dev->checkpointCurrentChunk = 0; } - + if(dev->checkpointCurrentBlock < 0) ok = 0; else { - - chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + + + chunk = dev->checkpointCurrentBlock * dev->nChunksPerBlock + dev->checkpointCurrentChunk; realignedChunk = chunk - dev->chunkOffset; /* read in the next chunk */ /* printf("read checkpoint page %d\n",dev->checkpointPage); */ - dev->readChunkWithTagsFromNAND(dev, realignedChunk, + dev->readChunkWithTagsFromNAND(dev, realignedChunk, dev->checkpointBuffer, &tags); - + if(tags.chunkId != (dev->checkpointPageSequence + 1) || tags.sequenceNumber != YAFFS_SEQUENCE_CHECKPOINT_DATA) ok = 0; @@ -330,12 +330,12 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) dev->checkpointByteOffset = 0; dev->checkpointPageSequence++; dev->checkpointCurrentChunk++; - + if(dev->checkpointCurrentChunk >= dev->nChunksPerBlock) dev->checkpointCurrentBlock = -1; } } - + if(ok){ *dataBytes = dev->checkpointBuffer[dev->checkpointByteOffset]; dev->checkpointSum += *dataBytes; @@ -346,14 +346,14 @@ int yaffs_CheckpointRead(yaffs_Device *dev, void *data, int nBytes) dev->checkpointByteCount++; } } - + return i; } int yaffs_CheckpointClose(yaffs_Device *dev) { - if(dev->checkpointOpenForWrite){ + if(dev->checkpointOpenForWrite){ if(dev->checkpointByteOffset != 0) yaffs_CheckpointFlushBuffer(dev); } else { @@ -373,19 +373,19 @@ int yaffs_CheckpointClose(yaffs_Device *dev) dev->nFreeChunks -= dev->blocksInCheckpoint * dev->nChunksPerBlock; dev->nErasedBlocks -= dev->blocksInCheckpoint; - + T(YAFFS_TRACE_CHECKPOINT,(TSTR("checkpoint byte count %d" TENDSTR), dev->checkpointByteCount)); - + if(dev->checkpointBuffer){ - /* free the buffer */ + /* free the buffer */ YFREE(dev->checkpointBuffer); dev->checkpointBuffer = NULL; return 1; } else return 0; - + } int yaffs_CheckpointInvalidateStream(yaffs_Device *dev) diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_checkptrw.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_checkptrw.h index f4b0c7dcaa..d3ff17405f 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_checkptrw.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_checkptrw.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_ecc.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_ecc.c index be860d01a6..e2860393d3 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_ecc.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_ecc.c @@ -14,9 +14,9 @@ /* * This code implements the ECC algorithm used in SmartMedia. * - * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. + * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. * The two unused bit are set to 1. - * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC + * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC * blocks are used on a 512-byte NAND page. * */ @@ -228,8 +228,8 @@ int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc, return 1; /* Corrected the error */ } - if ((yaffs_CountBits(d0) + - yaffs_CountBits(d1) + + if ((yaffs_CountBits(d0) + + yaffs_CountBits(d1) + yaffs_CountBits(d2)) == 1) { /* Reccoverable error in ecc */ @@ -239,7 +239,7 @@ int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc, return 1; /* Corrected the error */ } - + /* Unrecoverable error */ return -1; @@ -293,7 +293,7 @@ int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, if ((cDelta | lDelta | lDeltaPrime) == 0) return 0; /* no error */ - if (lDelta == ~lDeltaPrime && + if (lDelta == ~lDeltaPrime && (((cDelta ^ (cDelta >> 1)) & 0x15) == 0x15)) { /* Single bit (recoverable) error in data */ @@ -309,7 +309,7 @@ int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes, if(lDelta >= nBytes) return -1; - + data[lDelta] ^= (1 << bit); return 1; /* corrected */ diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_ecc.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_ecc.h index 40fd02b965..79bc3d1171 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_ecc.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_ecc.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering @@ -16,9 +16,9 @@ /* * This code implements the ECC algorithm used in SmartMedia. * - * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. + * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. * The two unused bit are set to 1. - * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC + * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC * blocks are used on a 512-byte NAND page. * */ diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c index e572301f5d..67001b10e6 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c @@ -23,7 +23,7 @@ * This is the file system front-end to YAFFS that hooks it up to * the VFS. * - * Special notes: + * Special notes: * >> 2.4: sb->u.generic_sbp points to the yaffs_Device associated with * this superblock * >> 2.6: sb->s_fs_info points to the yaffs_Device associated with this @@ -391,7 +391,7 @@ static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry) dentry->d_name.name); obj = yaffs_GetEquivalentObject(obj); /* in case it was a hardlink */ - + /* Can't hold gross lock when calling yaffs_get_inode() */ yaffs_GrossUnlock(dev); @@ -729,21 +729,21 @@ static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object * obj) obj->yst_mode &= ~S_IFMT; obj->yst_mode |= S_IFREG; } - + break; case YAFFS_OBJECT_TYPE_SYMLINK : if( ! S_ISLNK(mode) ){ obj->yst_mode &= ~S_IFMT; obj->yst_mode |= S_IFLNK; } - + break; case YAFFS_OBJECT_TYPE_DIRECTORY : if( ! S_ISDIR(mode) ){ obj->yst_mode &= ~S_IFMT; obj->yst_mode |= S_IFDIR; } - + break; case YAFFS_OBJECT_TYPE_UNKNOWN : case YAFFS_OBJECT_TYPE_HARDLINK : @@ -1020,7 +1020,7 @@ static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, int error = -ENOSPC; uid_t uid = current->fsuid; gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid; - + if((dir->i_mode & S_ISGID) && S_ISDIR(mode)) mode |= S_ISGID; @@ -1075,7 +1075,7 @@ static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, obj = NULL; /* Do we ever get here? */ break; } - + /* Can not call yaffs_get_inode() with gross lock held */ yaffs_GrossUnlock(dev); @@ -1264,13 +1264,13 @@ static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, target = yaffs_FindObjectByName(yaffs_InodeToObject(new_dir), new_dentry->d_name.name); - - + + if (target && target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && !list_empty(&target->variant.directoryVariant.children)) { - + T(YAFFS_TRACE_OS, (KERN_DEBUG "target is non-empty dir\n")); retVal = YAFFS_FAIL; @@ -1278,7 +1278,7 @@ static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, /* Now does unlinking internally using shadowing mechanism */ T(YAFFS_TRACE_OS, (KERN_DEBUG "calling yaffs_RenameObject\n")); - + retVal = yaffs_RenameObject(yaffs_InodeToObject(old_dir), old_dentry->d_name.name, @@ -1390,7 +1390,7 @@ static int yaffs_do_sync_fs(struct super_block *sb) if(dev) yaffs_CheckpointSave(dev); - + yaffs_GrossUnlock(dev); sb->s_dirt = 0; @@ -1421,16 +1421,16 @@ static int yaffs_sync_fs(struct super_block *sb) { T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_sync_fs\n")); - + return 0; /* yaffs_do_sync_fs(sb);*/ - + } static void yaffs_read_inode(struct inode *inode) { /* NB This is called as a side effect of other functions, but - * we had to release the lock to prevent deadlocks, so + * we had to release the lock to prevent deadlocks, so * need to lock again. */ @@ -1441,7 +1441,7 @@ static void yaffs_read_inode(struct inode *inode) (KERN_DEBUG "yaffs_read_inode for %d\n", (int)inode->i_ino)); yaffs_GrossLock(dev); - + obj = yaffs_FindObjectByNumber(dev, inode->i_ino); yaffs_FillInodeFromObject(inode, obj); @@ -1458,26 +1458,26 @@ static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data) if( *flags & MS_RDONLY ) { struct mtd_info *mtd = yaffs_SuperToDevice(sb)->genericDevice; - + T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_remount_fs: %s: RO\n", dev->name )); yaffs_GrossLock(dev); - + yaffs_FlushEntireDeviceCache(dev); - + yaffs_CheckpointSave(dev); - + if (mtd->sync) mtd->sync(mtd); yaffs_GrossUnlock(dev); } else { - T(YAFFS_TRACE_OS, + T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_remount_fs: %s: RW\n", dev->name )); } - + return 0; } #endif @@ -1489,7 +1489,7 @@ static void yaffs_put_super(struct super_block *sb) T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_put_super\n")); yaffs_GrossLock(dev); - + yaffs_FlushEntireDeviceCache(dev); yaffs_CheckpointSave(dev); @@ -1499,12 +1499,12 @@ static void yaffs_put_super(struct super_block *sb) } yaffs_Deinitialise(dev); - + yaffs_GrossUnlock(dev); /* we assume this is protected by lock_kernel() in mount/umount */ list_del(&dev->devList); - + if(dev->spareBuffer){ YFREE(dev->spareBuffer); dev->spareBuffer = NULL; @@ -1530,7 +1530,7 @@ static void yaffs_MTDPutSuper(struct super_block *sb) static void yaffs_MarkSuperBlockDirty(void *vsb) { struct super_block *sb = (struct super_block *)vsb; - + T(YAFFS_TRACE_OS, (KERN_DEBUG "yaffs_MarkSuperBlockDirty() sb = %p\n",sb)); // if(sb) // sb->s_dirt = 1; @@ -1549,13 +1549,13 @@ static int yaffs_parse_options(yaffs_options *options, const char *options_str) char cur_opt[MAX_OPT_LEN+1]; int p; int error = 0; - + /* Parse through the options which is a comma seperated list */ - + while(options_str && *options_str && !error){ memset(cur_opt,0,MAX_OPT_LEN+1); p = 0; - + while(*options_str && *options_str != ','){ if(p < MAX_OPT_LEN){ cur_opt[p] = *options_str; @@ -1563,7 +1563,7 @@ static int yaffs_parse_options(yaffs_options *options, const char *options_str) } options_str++; } - + if(!strcmp(cur_opt,"inband-tags")) options->inband_tags = 1; else if(!strcmp(cur_opt,"no-cache")) @@ -1579,7 +1579,7 @@ static int yaffs_parse_options(yaffs_options *options, const char *options_str) printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n",cur_opt); error = 1; } - + } return error; @@ -1597,7 +1597,7 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, struct mtd_info *mtd; int err; char *data_str = (char *)data; - + yaffs_options options; sb->s_magic = YAFFS_MAGIC; @@ -1613,14 +1613,14 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, printk(KERN_INFO "yaffs: dev is %d name is \"%s\"\n", sb->s_dev, yaffs_devname(sb, devname_buf)); - + if(!data_str) data_str = ""; - + printk(KERN_INFO "yaffs: passed flags \"%s\"\n",data_str); - + memset(&options,0,sizeof(options)); - + if(yaffs_parse_options(&options,data_str)){ /* Option parsing failed */ return NULL; @@ -1674,10 +1674,10 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, T(YAFFS_TRACE_OS, (" oobsize %d\n", mtd->oobsize)); T(YAFFS_TRACE_OS, (" erasesize %d\n", mtd->erasesize)); T(YAFFS_TRACE_OS, (" size %d\n", mtd->size)); - + #ifdef CONFIG_YAFFS_AUTO_YAFFS2 - if (yaffsVersion == 1 && + if (yaffsVersion == 1 && #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) mtd->writesize >= 2048) { #else @@ -1685,10 +1685,10 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, #endif T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs2\n")); yaffsVersion = 2; - } - + } + /* Added NCB 26/5/2006 for completeness */ - if (yaffsVersion == 2 && + if (yaffsVersion == 2 && #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17)) mtd->writesize == 512) { #else @@ -1696,7 +1696,7 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, #endif T(YAFFS_TRACE_ALWAYS,("yaffs: auto selecting yaffs1\n")); yaffsVersion = 1; - } + } #endif @@ -1830,10 +1830,10 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, dev->initialiseNAND = nandmtd_InitialiseNAND; dev->putSuperFunc = yaffs_MTDPutSuper; - + dev->superBlock = (void *)sb; dev->markSuperBlockDirty = yaffs_MarkSuperBlockDirty; - + #ifndef CONFIG_YAFFS_DOES_ECC dev->useNANDECC = 1; @@ -1845,7 +1845,7 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, dev->skipCheckpointRead = options.skip_checkpoint_read; dev->skipCheckpointWrite = options.skip_checkpoint_write; - + /* we assume this is protected by lock_kernel() in mount/umount */ list_add_tail(&dev->devList, &yaffs_dev_list); @@ -1858,7 +1858,7 @@ static struct super_block *yaffs_internal_read_super(int yaffsVersion, T(YAFFS_TRACE_OS, ("yaffs_read_super: guts initialised %s\n", (err == YAFFS_OK) ? "OK" : "FAILED")); - + /* Release lock before yaffs_get_inode() */ yaffs_GrossUnlock(dev); @@ -2118,7 +2118,7 @@ static int yaffs_proc_write(struct file *file, const char *buf, unsigned rg = 0, mask_bitfield; char *end; char *mask_name; - const char *x; + const char *x; char substring[MAX_MASK_NAME_LENGTH+1]; int i; int done = 0; @@ -2146,7 +2146,7 @@ static int yaffs_proc_write(struct file *file, const char *buf, break; } mask_name = NULL; - + mask_bitfield = simple_strtoul(buf + pos, &end, 0); if (end > buf + pos) { mask_name = "numeral"; @@ -2154,12 +2154,12 @@ static int yaffs_proc_write(struct file *file, const char *buf, pos += len; done = 0; } else { - for(x = buf + pos, i = 0; + for(x = buf + pos, i = 0; (*x == '_' || (*x >='a' && *x <= 'z')) && i <MAX_MASK_NAME_LENGTH; x++, i++, pos++) substring[i] = *x; substring[i] = '\0'; - + for (i = 0; mask_flags[i].mask_name != NULL; i++) { if(strcmp(substring,mask_flags[i].mask_name) == 0){ mask_name = mask_flags[i].mask_name; @@ -2190,9 +2190,9 @@ static int yaffs_proc_write(struct file *file, const char *buf, } yaffs_traceMask = rg | YAFFS_TRACE_ALWAYS; - + printk("new trace = 0x%08X\n",yaffs_traceMask); - + if (rg & YAFFS_TRACE_ALWAYS) { for (i = 0; mask_flags[i].mask_name != NULL; i++) { char flag; diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_guts.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_guts.c index 006820c713..2ab8146913 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_guts.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_guts.c @@ -140,71 +140,71 @@ static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, __u32 *chunk, __u3 YBUG(); } -/* Function to return the number of shifts for a power of 2 greater than or equal +/* Function to return the number of shifts for a power of 2 greater than or equal * to the given number * Note we don't try to cater for all possible numbers and this does not have to * be hellishly efficient. */ - + static __u32 ShiftsGE(__u32 x) { int extraBits; int nShifts; - + nShifts = extraBits = 0; - + while(x>1){ if(x & 1) extraBits++; x>>=1; nShifts++; } - if(extraBits) + if(extraBits) nShifts++; - + return nShifts; } /* Function to return the number of shifts to get a 1 in bit 0 */ - + static __u32 ShiftDiv(__u32 x) { int nShifts; - + nShifts = 0; - + if(!x) return 0; - + while( !(x&1)){ x>>=1; nShifts++; } - + return nShifts; } -/* +/* * Temporary buffer manipulations. */ -static int yaffs_InitialiseTempBuffers(yaffs_Device *dev) +static int yaffs_InitialiseTempBuffers(yaffs_Device *dev) { int i; __u8 *buf = (__u8 *)1; - + memset(dev->tempBuffer,0,sizeof(dev->tempBuffer)); - + 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->nDataBytesPerChunk); } - + return buf ? YAFFS_OK : YAFFS_FAIL; - + } static __u8 *yaffs_GetTempBuffer(yaffs_Device * dev, int lineNo) @@ -337,7 +337,7 @@ static Y_INLINE void yaffs_ClearChunkBit(yaffs_Device * dev, int blk, int chunk) static Y_INLINE void yaffs_SetChunkBit(yaffs_Device * dev, int blk, int chunk) { __u8 *blkBits = yaffs_BlockBits(dev, blk); - + yaffs_VerifyChunkBitId(dev,blk,chunk); blkBits[chunk / 8] |= (1 << (chunk & 7)); @@ -375,16 +375,16 @@ static int yaffs_CountChunkBits(yaffs_Device * dev, int blk) n++; x >>=1; } - + blkBits++; } return n; } -/* +/* * Verification code */ - + static int yaffs_SkipVerification(yaffs_Device *dev) { return !(yaffs_traceMask & (YAFFS_TRACE_VERIFY | YAFFS_TRACE_VERIFY_FULL)); @@ -417,14 +417,14 @@ static void yaffs_VerifyBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n) { int actuallyUsed; int inUse; - + if(yaffs_SkipVerification(dev)) return; - + /* Report illegal runtime states */ if(bi->blockState <0 || bi->blockState >= YAFFS_NUMBER_OF_BLOCK_STATES) T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has undefined state %d"TENDSTR),n,bi->blockState)); - + switch(bi->blockState){ case YAFFS_BLOCK_STATE_UNKNOWN: case YAFFS_BLOCK_STATE_SCANNING: @@ -432,42 +432,42 @@ static void yaffs_VerifyBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n) T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has bad run-state %s"TENDSTR), n,blockStateName[bi->blockState])); } - + /* Check pages in use and soft deletions are legal */ - + 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) T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has illegal values pagesInUsed %d softDeletions %d"TENDSTR), n,bi->pagesInUse,bi->softDeletions)); - - + + /* Check chunk bitmap legal */ inUse = yaffs_CountChunkBits(dev,n); if(inUse != bi->pagesInUse) T(YAFFS_TRACE_VERIFY,(TSTR("Block %d has inconsistent values pagesInUse %d counted chunk bits %d"TENDSTR), n,bi->pagesInUse,inUse)); - + /* Check that the sequence number is valid. - * Ten million is legal, but is very unlikely + * Ten million is legal, but is very unlikely */ - if(dev->isYaffs2 && + if(dev->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), n,bi->sequenceNumber)); - + } static void yaffs_VerifyCollectedBlock(yaffs_Device *dev,yaffs_BlockInfo *bi,int n) { yaffs_VerifyBlock(dev,bi,n); - + /* After collection the block should be in the erased state */ /* TODO: This will need to change if we do partial gc */ - + if(bi->blockState != YAFFS_BLOCK_STATE_EMPTY){ T(YAFFS_TRACE_ERROR,(TSTR("Block %d is in state %d after gc, should be erased"TENDSTR), n,bi->blockState)); @@ -479,14 +479,14 @@ static void yaffs_VerifyBlocks(yaffs_Device *dev) int i; int nBlocksPerState[YAFFS_NUMBER_OF_BLOCK_STATES]; int nIllegalBlockStates = 0; - + if(yaffs_SkipVerification(dev)) return; memset(nBlocksPerState,0,sizeof(nBlocksPerState)); - + for(i = dev->internalStartBlock; i <= dev->internalEndBlock; i++){ yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev,i); yaffs_VerifyBlock(dev,bi,i); @@ -495,12 +495,12 @@ static void yaffs_VerifyBlocks(yaffs_Device *dev) nBlocksPerState[bi->blockState]++; else nIllegalBlockStates++; - + } - + T(YAFFS_TRACE_VERIFY,(TSTR(""TENDSTR))); T(YAFFS_TRACE_VERIFY,(TSTR("Block summary"TENDSTR))); - + T(YAFFS_TRACE_VERIFY,(TSTR("%d blocks have illegal states"TENDSTR),nIllegalBlockStates)); if(nBlocksPerState[YAFFS_BLOCK_STATE_ALLOCATING] > 1) T(YAFFS_TRACE_VERIFY,(TSTR("Too many allocating blocks"TENDSTR))); @@ -509,17 +509,17 @@ static void yaffs_VerifyBlocks(yaffs_Device *dev) T(YAFFS_TRACE_VERIFY, (TSTR("%s %d blocks"TENDSTR), blockStateName[i],nBlocksPerState[i])); - + if(dev->blocksInCheckpoint != nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT]) T(YAFFS_TRACE_VERIFY, (TSTR("Checkpoint block count wrong dev %d count %d"TENDSTR), dev->blocksInCheckpoint, nBlocksPerState[YAFFS_BLOCK_STATE_CHECKPOINT])); - + if(dev->nErasedBlocks != nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY]) T(YAFFS_TRACE_VERIFY, (TSTR("Erased block count wrong dev %d count %d"TENDSTR), dev->nErasedBlocks, nBlocksPerState[YAFFS_BLOCK_STATE_EMPTY])); - + if(nBlocksPerState[YAFFS_BLOCK_STATE_COLLECTING] > 1) T(YAFFS_TRACE_VERIFY, (TSTR("Too many collecting blocks %d (max is 1)"TENDSTR), @@ -537,14 +537,14 @@ static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, { if(yaffs_SkipVerification(obj->myDev)) return; - + if(!(tags && obj && oh)){ T(YAFFS_TRACE_VERIFY, (TSTR("Verifying object header tags %x obj %x oh %x"TENDSTR), (__u32)tags,(__u32)obj,(__u32)oh)); return; } - + if(oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN || oh->type > YAFFS_OBJECT_TYPE_MAX) T(YAFFS_TRACE_VERIFY, @@ -559,25 +559,25 @@ static void yaffs_VerifyObjectHeader(yaffs_Object *obj, yaffs_ObjectHeader *oh, /* * Check that the object's parent ids match if parentCheck requested. - * + * * Tests do not apply to the root object. */ - + if(parentCheck && tags->objectId > 1 && !obj->parent) T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d header mismatch parentId %d obj->parent is NULL"TENDSTR), tags->objectId, oh->parentObjectId)); - - + + if(parentCheck && obj->parent && - oh->parentObjectId != obj->parent->objectId && + oh->parentObjectId != obj->parent->objectId && (oh->parentObjectId != YAFFS_OBJECTID_UNLINKED || obj->parent->objectId != YAFFS_OBJECTID_DELETED)) T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d header mismatch parentId %d parentObjectId %d"TENDSTR), tags->objectId, oh->parentObjectId, obj->parent->objectId)); - - + + if(tags->objectId > 1 && oh->name[0] == 0) /* Null name */ T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d header name is NULL"TENDSTR), @@ -614,12 +614,12 @@ static int yaffs_VerifyTnodeWorker(yaffs_Object * obj, yaffs_Tnode * tn, int i; yaffs_ExtendedTags tags; __u32 objectId = obj->objectId; - + chunkOffset <<= YAFFS_TNODES_LEVEL0_BITS; - + for(i = 0; i < YAFFS_NTNODES_LEVEL0; i++){ __u32 theChunk = yaffs_GetChunkGroupBase(dev,tn,i); - + if(theChunk > 0){ /* T(~0,(TSTR("verifying (%d:%d) %d"TENDSTR),tags.objectId,tags.chunkId,theChunk)); */ yaffs_ReadChunkWithTagsFromNAND(dev,theChunk,NULL, &tags); @@ -651,13 +651,13 @@ static void yaffs_VerifyFile(yaffs_Object *obj) yaffs_ExtendedTags tags; yaffs_Tnode *tn; __u32 objectId; - + if(obj && yaffs_SkipVerification(obj->myDev)) return; - + dev = obj->myDev; objectId = obj->objectId; - + /* Check file size is consistent with tnode depth */ lastChunk = obj->variant.fileVariant.fileSize / dev->nDataBytesPerChunk + 1; x = lastChunk >> YAFFS_TNODES_LEVEL0_BITS; @@ -666,23 +666,23 @@ static void yaffs_VerifyFile(yaffs_Object *obj) x >>= YAFFS_TNODES_INTERNAL_BITS; requiredTallness++; } - + actualTallness = obj->variant.fileVariant.topLevel; - + if(requiredTallness > actualTallness ) T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d had tnode tallness %d, needs to be %d"TENDSTR), obj->objectId,actualTallness, requiredTallness)); - - - /* Check that the chunks in the tnode tree are all correct. + + + /* Check that the chunks in the tnode tree are all correct. * We do this by scanning through the tnode tree and * checking the tags for every chunk match. */ if(yaffs_SkipNANDVerification(dev)) return; - + for(i = 1; i <= lastChunk; i++){ tn = yaffs_FindLevel0Tnode(dev, &obj->variant.fileVariant,i); @@ -707,14 +707,14 @@ static void yaffs_VerifyDirectory(yaffs_Object *obj) { if(obj && yaffs_SkipVerification(obj->myDev)) return; - + } static void yaffs_VerifyHardLink(yaffs_Object *obj) { if(obj && yaffs_SkipVerification(obj->myDev)) return; - + /* Verify sane equivalent object */ } @@ -722,7 +722,7 @@ static void yaffs_VerifySymlink(yaffs_Object *obj) { if(obj && yaffs_SkipVerification(obj->myDev)) return; - + /* Verify symlink string */ } @@ -735,32 +735,32 @@ static void yaffs_VerifySpecial(yaffs_Object *obj) static void yaffs_VerifyObject(yaffs_Object *obj) { yaffs_Device *dev; - + __u32 chunkMin; __u32 chunkMax; - + __u32 chunkIdOk; __u32 chunkIsLive; - + if(!obj) return; - + dev = obj->myDev; - + if(yaffs_SkipVerification(dev)) return; - + /* Check sane object header chunk */ - + chunkMin = dev->internalStartBlock * dev->nChunksPerBlock; chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1; - + chunkIdOk = (obj->chunkId >= chunkMin && obj->chunkId <= chunkMax); - chunkIsLive = chunkIdOk && - yaffs_CheckChunkBit(dev, + chunkIsLive = chunkIdOk && + yaffs_CheckChunkBit(dev, obj->chunkId / dev->nChunksPerBlock, obj->chunkId % dev->nChunksPerBlock); - if(!obj->fake && + if(!obj->fake && (!chunkIdOk || !chunkIsLive)) { T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d has chunkId %d %s %s"TENDSTR), @@ -768,36 +768,36 @@ static void yaffs_VerifyObject(yaffs_Object *obj) chunkIdOk ? "" : ",out of range", chunkIsLive || !chunkIdOk ? "" : ",marked as deleted")); } - + if(chunkIdOk && chunkIsLive &&!yaffs_SkipNANDVerification(dev)) { yaffs_ExtendedTags tags; yaffs_ObjectHeader *oh; __u8 *buffer = yaffs_GetTempBuffer(dev,__LINE__); - + oh = (yaffs_ObjectHeader *)buffer; - + yaffs_ReadChunkWithTagsFromNAND(dev, obj->chunkId,buffer, &tags); - + yaffs_VerifyObjectHeader(obj,oh,&tags,1); - + yaffs_ReleaseTempBuffer(dev,buffer,__LINE__); } - + /* Verify it has a parent */ if(obj && !obj->fake && (!obj->parent || obj->parent->myDev != dev)){ T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d has parent pointer %p which does not look like an object"TENDSTR), - obj->objectId,obj->parent)); + obj->objectId,obj->parent)); } - + /* Verify parent is a directory */ if(obj->parent && obj->parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY){ T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d's parent is not a directory (type %d)"TENDSTR), - obj->objectId,obj->parent->variantType)); + obj->objectId,obj->parent->variantType)); } - + switch(obj->variantType){ case YAFFS_OBJECT_TYPE_FILE: yaffs_VerifyFile(obj); @@ -818,11 +818,11 @@ static void yaffs_VerifyObject(yaffs_Object *obj) default: T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d has illegaltype %d"TENDSTR), - obj->objectId,obj->variantType)); + obj->objectId,obj->variantType)); break; } - - + + } static void yaffs_VerifyObjects(yaffs_Device *dev) @@ -833,9 +833,9 @@ static void yaffs_VerifyObjects(yaffs_Device *dev) if(yaffs_SkipVerification(dev)) return; - + /* Iterate through the objects in each hash entry */ - + for(i = 0; i < YAFFS_NOBJECT_BUCKETS; i++){ list_for_each(lh, &dev->objectBucket[i].list) { if (lh) { @@ -851,7 +851,7 @@ static void yaffs_VerifyObjects(yaffs_Device *dev) /* * Simple hash function. Needs to have a reasonable spread */ - + static Y_INLINE int yaffs_HashFunction(int n) { n = abs(n); @@ -861,7 +861,7 @@ static Y_INLINE int yaffs_HashFunction(int n) /* * Access functions to useful fake objects */ - + yaffs_Object *yaffs_Root(yaffs_Device * dev) { return dev->rootDir; @@ -876,7 +876,7 @@ yaffs_Object *yaffs_LostNFound(yaffs_Device * dev) /* * Erased NAND checking functions */ - + int yaffs_CheckFF(__u8 * buffer, int nBytes) { /* Horrible, slow implementation */ @@ -898,10 +898,10 @@ static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, int result; result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags); - + if(tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR) retval = YAFFS_FAIL; - + if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) { T(YAFFS_TRACE_NANDACCESS, @@ -1008,13 +1008,13 @@ static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, /* * Block retiring for handling a broken block. */ - + static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND) { yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); yaffs_InvalidateCheckpoint(dev); - + yaffs_MarkBlockBad(dev, blockInNAND); bi->blockState = YAFFS_BLOCK_STATE_DEAD; @@ -1028,7 +1028,7 @@ static void yaffs_RetireBlock(yaffs_Device * dev, int blockInNAND) * Functions for robustisizing TODO * */ - + static void yaffs_HandleWriteChunkOk(yaffs_Device * dev, int chunkInNAND, const __u8 * data, const yaffs_ExtendedTags * tags) @@ -1046,13 +1046,13 @@ void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi) bi->gcPrioritise = 1; dev->hasPendingPrioritisedGCs = 1; bi->chunkErrorStrikes ++; - + if(bi->chunkErrorStrikes > 3){ bi->needsRetiring = 1; /* Too many stikes, so retire this */ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR))); } - + } } @@ -1063,23 +1063,23 @@ static void yaffs_HandleWriteChunkError(yaffs_Device * dev, int chunkInNAND, int yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); yaffs_HandleChunkError(dev,bi); - - + + if(erasedOk ) { /* Was an actual write failure, so mark the block for retirement */ bi->needsRetiring = 1; T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, (TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND)); - + } - + /* Delete the chunk */ yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__); } -/*---------------- Name handling functions ------------*/ +/*---------------- Name handling functions ------------*/ static __u16 yaffs_CalcNameSum(const YCHAR * name) { @@ -1120,7 +1120,7 @@ static void yaffs_SetObjectName(yaffs_Object * obj, const YCHAR * name) * The list is hooked together using the first pointer * in the tnode. */ - + /* yaffs_CreateTnodes creates a bunch more tnodes and * adds them to the tnode free list. * Don't use this function directly @@ -1138,7 +1138,7 @@ static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes) if (nTnodes < 1) return YAFFS_OK; - + /* Calculate the tnode size in bytes for variable width tnode support. * Must be a multiple of 32-bits */ tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; @@ -1175,7 +1175,7 @@ static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes) next = (yaffs_Tnode *) &mem[(i+1) * tnodeSize]; curr->internal[0] = next; } - + curr = (yaffs_Tnode *) &mem[(nTnodes - 1) * tnodeSize]; curr->internal[0] = dev->freeTnodes; dev->freeTnodes = (yaffs_Tnode *)mem; @@ -1190,7 +1190,7 @@ static int yaffs_CreateTnodes(yaffs_Device * dev, int nTnodes) * NB If we can't add this to the management list it isn't fatal * but it just means we can't free this bunch of tnodes later. */ - + tnl = YMALLOC(sizeof(yaffs_TnodeList)); if (!tnl) { T(YAFFS_TRACE_ERROR, @@ -1239,11 +1239,11 @@ static yaffs_Tnode *yaffs_GetTnodeRaw(yaffs_Device * dev) static yaffs_Tnode *yaffs_GetTnode(yaffs_Device * dev) { yaffs_Tnode *tn = yaffs_GetTnodeRaw(dev); - + if(tn) memset(tn, 0, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8); - return tn; + return tn; } /* FreeTnode frees up a tnode and puts it back on the free list */ @@ -1299,19 +1299,19 @@ void yaffs_PutLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, unsi __u32 bitInWord; __u32 wordInMap; __u32 mask; - + pos &= YAFFS_TNODES_LEVEL0_MASK; val >>= dev->chunkGroupBits; - + bitInMap = pos * dev->tnodeWidth; wordInMap = bitInMap /32; bitInWord = bitInMap & (32 -1); - + mask = dev->tnodeMask << bitInWord; - + map[wordInMap] &= ~mask; map[wordInMap] |= (mask & (val << bitInWord)); - + if(dev->tnodeWidth > (32-bitInWord)) { bitInWord = (32 - bitInWord); wordInMap++;; @@ -1328,24 +1328,24 @@ static __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigne __u32 bitInWord; __u32 wordInMap; __u32 val; - + pos &= YAFFS_TNODES_LEVEL0_MASK; - + bitInMap = pos * dev->tnodeWidth; wordInMap = bitInMap /32; bitInWord = bitInMap & (32 -1); - + val = map[wordInMap] >> bitInWord; - + if(dev->tnodeWidth > (32-bitInWord)) { bitInWord = (32 - bitInWord); wordInMap++;; val |= (map[wordInMap] << bitInWord); } - + val &= dev->tnodeMask; val <<= dev->chunkGroupBits; - + return val; } @@ -1394,7 +1394,7 @@ static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev, while (level > 0 && tn) { tn = tn-> internal[(chunkId >> - ( YAFFS_TNODES_LEVEL0_BITS + + ( YAFFS_TNODES_LEVEL0_BITS + (level - 1) * YAFFS_TNODES_INTERNAL_BITS) ) & @@ -1416,7 +1416,7 @@ static yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device * dev, * If the tn argument is NULL, then a fresh tnode will be added otherwise the specified tn will * be plugged into the ttree. */ - + static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev, yaffs_FileStructure * fStruct, __u32 chunkId, @@ -1453,7 +1453,7 @@ static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev, if (requiredTallness > fStruct->topLevel) { /* Not tall enough,gotta make the tree taller */ for (i = fStruct->topLevel; i < requiredTallness; i++) { - + tn = yaffs_GetTnode(dev); if (tn) { @@ -1472,7 +1472,7 @@ static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev, l = fStruct->topLevel; tn = fStruct->top; - + if(l > 0) { while (l > 0 && tn) { x = (chunkId >> @@ -1492,13 +1492,13 @@ static yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device * dev, if(tn->internal[x]) yaffs_FreeTnode(dev,tn->internal[x]); tn->internal[x] = passedTn; - + } else if(!tn->internal[x]) { /* Don't have one, none passed in */ tn->internal[x] = yaffs_GetTnode(dev); } } - + tn = tn->internal[x]; l--; } @@ -1539,7 +1539,7 @@ static int yaffs_FindChunkInGroup(yaffs_Device * dev, int theChunk, /* DeleteWorker scans backwards through the tnode tree and deletes all the * chunks and tnodes in the file - * Returns 1 if the tree was deleted. + * Returns 1 if the tree was deleted. * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete. */ @@ -1653,7 +1653,7 @@ static void yaffs_SoftDeleteChunk(yaffs_Device * dev, int chunk) * of the tnode. * Thus, essentially this is the same as DeleteWorker except that the chunks are soft deleted. */ - + static int yaffs_SoftDeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, __u32 level, int chunkOffset) { @@ -1694,7 +1694,7 @@ static int yaffs_SoftDeleteWorker(yaffs_Object * in, yaffs_Tnode * tn, theChunk = yaffs_GetChunkGroupBase(dev,tn,i); if (theChunk) { /* Note this does not find the real chunk, only the chunk group. - * We make an assumption that a chunk group is not larger than + * We make an assumption that a chunk group is not larger than * a block. */ yaffs_SoftDeleteChunk(dev, theChunk); @@ -1796,7 +1796,7 @@ static int yaffs_PruneFileStructure(yaffs_Device * dev, /* Now we have a tree with all the non-zero branches NULL but the height * is the same as it was. * Let's see if we can trim internal tnodes to shorten the tree. - * We can do this if only the 0th element in the tnode is in use + * We can do this if only the 0th element in the tnode is in use * (ie all the non-zero are NULL) */ @@ -1850,7 +1850,7 @@ static int yaffs_CreateFreeObjects(yaffs_Device * dev, int nObjects) (TSTR("yaffs: Could not allocate more objects" TENDSTR))); return YAFFS_FAIL; } - + /* Hook them into the free list */ for (i = 0; i < nObjects - 1; i++) { newObjects[i].siblings.next = @@ -2132,7 +2132,7 @@ yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number, theObject = yaffs_AllocateEmptyObject(dev); if(!theObject) return NULL; - + if(type == YAFFS_OBJECT_TYPE_FILE){ tn = yaffs_GetTnode(dev); if(!tn){ @@ -2140,8 +2140,8 @@ yaffs_Object *yaffs_CreateNewObject(yaffs_Device * dev, int number, return NULL; } } - - + + if (theObject) { theObject->fake = 0; @@ -2205,7 +2205,7 @@ static yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device * dev, return theObject; } - + static YCHAR *yaffs_CloneString(const YCHAR * str) { @@ -2227,7 +2227,7 @@ static YCHAR *yaffs_CloneString(const YCHAR * str) * aliasString only has meaning for a sumlink. * rdev only has meaning for devices (a subset of special objects) */ - + static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, yaffs_Object * parent, const YCHAR * name, @@ -2248,7 +2248,7 @@ static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, } in = yaffs_CreateNewObject(dev, -1, type); - + if(type == YAFFS_OBJECT_TYPE_SYMLINK){ str = yaffs_CloneString(aliasString); if(!str){ @@ -2256,8 +2256,8 @@ static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, return NULL; } } - - + + if (in) { in->chunkId = -1; @@ -2298,7 +2298,7 @@ static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, equivalentObject->objectId; list_add(&in->hardLinks, &equivalentObject->hardLinks); break; - case YAFFS_OBJECT_TYPE_FILE: + case YAFFS_OBJECT_TYPE_FILE: case YAFFS_OBJECT_TYPE_DIRECTORY: case YAFFS_OBJECT_TYPE_SPECIAL: case YAFFS_OBJECT_TYPE_UNKNOWN: @@ -2382,7 +2382,7 @@ static int yaffs_ChangeObjectName(yaffs_Object * obj, yaffs_Object * newDir, TENDSTR))); YBUG(); } - + /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */ if (obj->myDev->isYaffs2) { unlinkOp = (newDir == obj->myDev->unlinkedDir); @@ -2395,9 +2395,9 @@ static int yaffs_ChangeObjectName(yaffs_Object * obj, yaffs_Object * newDir, existingTarget = yaffs_FindObjectByName(newDir, newName); - /* If the object is a file going into the unlinked directory, + /* If the object is a file going into the unlinked directory, * then it is OK to just stuff it in since duplicate names are allowed. - * else only proceed if the new name does not exist and if we're putting + * else only proceed if the new name does not exist and if we're putting * it into a directory. */ if ((unlinkOp || @@ -2461,7 +2461,7 @@ int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName, /* There is a target that is a non-empty directory, so we fail */ return YAFFS_FAIL; /* EEXIST or ENOTEMPTY */ } else if (existingTarget && existingTarget != obj) { - /* Nuke the target first, using shadowing, + /* Nuke the target first, using shadowing, * but only if it isn't the same object */ yaffs_ChangeObjectName(obj, newDir, newName, force, @@ -2479,10 +2479,10 @@ int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName, static int yaffs_InitialiseBlocks(yaffs_Device * dev) { int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; - + dev->blockInfo = NULL; dev->chunkBits = NULL; - + dev->allocationBlock = -1; /* force it to get a new one */ /* If the first allocation strategy fails, thry the alternate one */ @@ -2493,9 +2493,9 @@ static int yaffs_InitialiseBlocks(yaffs_Device * dev) } else dev->blockInfoAlt = 0; - + if(dev->blockInfo){ - + /* Set up dynamic blockinfo stuff. */ dev->chunkBitmapStride = (dev->nChunksPerBlock + 7) / 8; /* round up bytes */ dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks); @@ -2506,7 +2506,7 @@ static int yaffs_InitialiseBlocks(yaffs_Device * dev) else dev->chunkBitsAlt = 0; } - + if (dev->blockInfo && dev->chunkBits) { memset(dev->blockInfo, 0, nBlocks * sizeof(yaffs_BlockInfo)); memset(dev->chunkBits, 0, dev->chunkBitmapStride * nBlocks); @@ -2527,7 +2527,7 @@ static void yaffs_DeinitialiseBlocks(yaffs_Device * dev) dev->blockInfoAlt = 0; dev->blockInfo = NULL; - + if(dev->chunkBitsAlt && dev->chunkBits) YFREE_ALT(dev->chunkBits); else if(dev->chunkBits) @@ -2591,14 +2591,14 @@ static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev, int prioritised=0; yaffs_BlockInfo *bi; int pendingPrioritisedExist = 0; - + /* First let's see if we need to grab a prioritised block */ if(dev->hasPendingPrioritisedGCs){ for(i = dev->internalStartBlock; i < dev->internalEndBlock && !prioritised; i++){ bi = yaffs_GetBlockInfo(dev, i); //yaffs_VerifyBlock(dev,bi,i); - + if(bi->gcPrioritise) { pendingPrioritisedExist = 1; if(bi->blockState == YAFFS_BLOCK_STATE_FULL && @@ -2610,7 +2610,7 @@ static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev, } } } - + if(!pendingPrioritisedExist) /* None found, so we can clear this */ dev->hasPendingPrioritisedGCs = 0; } @@ -2662,7 +2662,7 @@ static int yaffs_FindBlockForGarbageCollection(yaffs_Device * dev, dirtiest = b; pagesInUse = 0; } - else + else #endif if (bi->blockState == YAFFS_BLOCK_STATE_FULL && @@ -2699,11 +2699,11 @@ static void yaffs_BlockBecameDirty(yaffs_Device * dev, int blockNo) /* If the block is still healthy erase it and mark as clean. * If the block has had a data failure, then retire it. */ - + T(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE, (TSTR("yaffs_BlockBecameDirty block %d state %d %s"TENDSTR), blockNo, bi->blockState, (bi->needsRetiring) ? "needs retiring" : "")); - + bi->blockState = YAFFS_BLOCK_STATE_DIRTY; if (!bi->needsRetiring) { @@ -2716,7 +2716,7 @@ static void yaffs_BlockBecameDirty(yaffs_Device * dev, int blockNo) } } - if (erasedOk && + if (erasedOk && ((yaffs_traceMask & YAFFS_TRACE_ERASE) || !yaffs_SkipVerification(dev))) { int i; for (i = 0; i < dev->nChunksPerBlock; i++) { @@ -2767,7 +2767,7 @@ static int yaffs_FindBlockForAllocation(yaffs_Device * dev) return -1; } - + /* Find an empty block. */ for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { @@ -2808,13 +2808,13 @@ static int yaffs_CheckSpaceForAllocation(yaffs_Device * dev) int reservedChunks; int reservedBlocks = dev->nReservedBlocks; int checkpointBlocks; - + checkpointBlocks = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint; if(checkpointBlocks < 0) checkpointBlocks = 0; - + reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->nChunksPerBlock); - + return (dev->nFreeChunks > reservedChunks); } @@ -2861,10 +2861,10 @@ static int yaffs_AllocateChunk(yaffs_Device * dev, int useReserve, yaffs_BlockIn if(blockUsedPtr) *blockUsedPtr = bi; - + return retVal; } - + T(YAFFS_TRACE_ERROR, (TSTR("!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!" TENDSTR))); @@ -2907,7 +2907,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) yaffs_Object *object; isCheckpointBlock = (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT); - + bi->blockState = YAFFS_BLOCK_STATE_COLLECTING; T(YAFFS_TRACE_TRACING, @@ -2935,7 +2935,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) } else { __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); - + yaffs_VerifyBlock(dev,bi,block); for (chunkInBlock = 0, oldChunk = block * dev->nChunksPerBlock; @@ -2962,7 +2962,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) ("Collecting page %d, %d %d %d " TENDSTR), chunkInBlock, tags.objectId, tags.chunkId, tags.byteCount)); - + if(object && !yaffs_SkipVerification(dev)){ if(tags.chunkId == 0) matchingChunk = object->chunkId; @@ -2970,12 +2970,12 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) matchingChunk = oldChunk; /* Defeat the test */ else matchingChunk = yaffs_FindChunkInFile(object,tags.chunkId,NULL); - + if(oldChunk != matchingChunk) T(YAFFS_TRACE_ERROR, (TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR), oldChunk,matchingChunk,tags.objectId, tags.chunkId)); - + } if (!object) { @@ -2990,7 +2990,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) && tags.chunkId != 0) { /* Data chunk in a deleted file, throw it away * It's a soft deleted data chunk, - * No need to copy this, just forget about it and + * No need to copy this, just forget about it and * fix up the object. */ @@ -3040,7 +3040,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) oh->shadowsObject = -1; tags.extraShadows = 0; tags.extraIsShrinkHeader = 0; - + yaffs_VerifyObjectHeader(object,oh,&tags,1); } @@ -3099,7 +3099,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device * dev, int block) } yaffs_VerifyCollectedBlock(dev,bi,block); - + if (chunksBefore >= (chunksAfter = yaffs_GetErasedChunks(dev))) { T(YAFFS_TRACE_GC, (TSTR @@ -3127,21 +3127,21 @@ static int yaffs_CheckGarbageCollection(yaffs_Device * dev) int aggressive; int gcOk = YAFFS_OK; int maxTries = 0; - + int checkpointBlockAdjust; if (dev->isDoingGC) { /* Bail out so we don't get recursive gc */ return YAFFS_OK; } - + /* This loop should pass the first time. * We'll only see looping here if the erase of the collected block fails. */ do { maxTries++; - + checkpointBlockAdjust = (dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint); if(checkpointBlockAdjust < 0) checkpointBlockAdjust = 0; @@ -3326,11 +3326,11 @@ static int yaffs_CheckFileSanity(yaffs_Object * in) static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, int chunkInNAND, int inScan) { - /* NB inScan is zero unless scanning. - * For forward scanning, inScan is > 0; + /* NB inScan is zero unless scanning. + * For forward scanning, inScan is > 0; * for backward scanning inScan is < 0 */ - + yaffs_Tnode *tn; yaffs_Device *dev = in->myDev; int existingChunk; @@ -3354,7 +3354,7 @@ static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, return YAFFS_OK; } - tn = yaffs_AddOrFindLevel0Tnode(dev, + tn = yaffs_AddOrFindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode, NULL); @@ -3366,7 +3366,7 @@ static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, if (inScan != 0) { /* If we're scanning then we need to test for duplicates - * NB This does not need to be efficient since it should only ever + * NB This does not need to be efficient since it should only ever * happen when the power fails during a write, then only one * chunk should ever be affected. * @@ -3407,7 +3407,7 @@ static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, } - /* NB The deleted flags should be false, otherwise the chunks will + /* NB The deleted flags should be false, otherwise the chunks will * not be loaded during a scan */ @@ -3418,7 +3418,7 @@ static int yaffs_PutChunkIntoFile(yaffs_Object * in, int chunkInInode, (in->myDev->isYaffs2 || existingChunk <= 0 || ((existingSerial + 1) & 3) == newSerial)) { - /* Forward scanning. + /* Forward scanning. * Use new * Delete the old one and drop through to update the tnode */ @@ -3459,7 +3459,7 @@ static int yaffs_ReadChunkDataFromObject(yaffs_Object * in, int chunkInInode, (TSTR("Chunk %d not found zero instead" TENDSTR), chunkInNAND)); /* get sane (zero) data if you read a hole */ - memset(buffer, 0, in->myDev->nDataBytesPerChunk); + memset(buffer, 0, in->myDev->nDataBytesPerChunk); return 0; } @@ -3474,7 +3474,7 @@ void yaffs_DeleteChunk(yaffs_Device * dev, int chunkId, int markNAND, int lyn) if (chunkId <= 0) return; - + dev->nDeletions++; block = chunkId / dev->nChunksPerBlock; @@ -3602,7 +3602,7 @@ int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, int force, YCHAR oldName[YAFFS_MAX_NAME_LENGTH + 1]; yaffs_ObjectHeader *oh = NULL; - + yaffs_strcpy(oldName,"silly old name"); if (!in->fake || force) { @@ -3618,9 +3618,9 @@ int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, int force, if (prevChunkId >= 0) { result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId, buffer, &oldTags); - + yaffs_VerifyObjectHeader(in,oh,&oldTags,0); - + memcpy(oldName, oh->name, sizeof(oh->name)); } @@ -3748,11 +3748,11 @@ int yaffs_UpdateObjectHeader(yaffs_Object * in, const YCHAR * name, int force, /*------------------------ Short Operations Cache ---------------------------------------- * In many situations where there is no high level buffering (eg WinCE) a lot of - * reads might be short sequential reads, and a lot of writes may be short + * reads might be short sequential reads, and a lot of writes may be short * sequential writes. eg. scanning/writing a jpeg file. - * In these cases, a short read/write cache can provide a huge perfomance benefit + * In these cases, a short read/write cache can provide a huge perfomance benefit * with dumb-as-a-rock code. - * In Linux, the page cache provides read buffering aand the short op cache provides write + * In Linux, the page cache provides read buffering aand the short op cache provides write * buffering. * * There are a limited number (~10) of cache chunks per device so that we don't @@ -3765,14 +3765,14 @@ static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj) int i; yaffs_ChunkCache *cache; int nCaches = obj->myDev->nShortOpCaches; - + for(i = 0; i < nCaches; i++){ cache = &dev->srCache[i]; if (cache->object == obj && cache->dirty) return 1; } - + return 0; } @@ -3838,7 +3838,7 @@ void yaffs_FlushEntireDeviceCache(yaffs_Device *dev) yaffs_Object *obj; int nCaches = dev->nShortOpCaches; int i; - + /* Find a dirty object in the cache and flush it... * until there are no further dirty objects. */ @@ -3848,18 +3848,18 @@ void yaffs_FlushEntireDeviceCache(yaffs_Device *dev) if (dev->srCache[i].object && dev->srCache[i].dirty) obj = dev->srCache[i].object; - + } if(obj) yaffs_FlushFilesChunkCache(obj); - + } while(obj); - + } /* Grab us a cache chunk for use. - * First look for an empty one. + * First look for an empty one. * Then look for the least recently used non-dirty one. * Then look for the least recently used dirty one...., flush and look again. */ @@ -3871,7 +3871,7 @@ static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device * dev) if (dev->nShortOpCaches > 0) { for (i = 0; i < dev->nShortOpCaches; i++) { - if (!dev->srCache[i].object) + if (!dev->srCache[i].object) return &dev->srCache[i]; } @@ -4032,14 +4032,14 @@ static void yaffs_InvalidateWholeChunkCache(yaffs_Object * in) static int yaffs_WriteCheckpointValidityMarker(yaffs_Device *dev,int head) { yaffs_CheckpointValidity cp; - + memset(&cp,0,sizeof(cp)); - + cp.structType = sizeof(cp); cp.magic = YAFFS_MAGIC; cp.version = YAFFS_CHECKPOINT_VERSION; cp.head = (head) ? 1 : 0; - + return (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp))? 1 : 0; } @@ -4048,9 +4048,9 @@ static int yaffs_ReadCheckpointValidityMarker(yaffs_Device *dev, int head) { yaffs_CheckpointValidity cp; int ok; - + ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp)); - + if(ok) ok = (cp.structType == sizeof(cp)) && (cp.magic == YAFFS_MAGIC) && @@ -4059,20 +4059,20 @@ static int yaffs_ReadCheckpointValidityMarker(yaffs_Device *dev, int head) return ok ? 1 : 0; } -static void yaffs_DeviceToCheckpointDevice(yaffs_CheckpointDevice *cp, +static void yaffs_DeviceToCheckpointDevice(yaffs_CheckpointDevice *cp, yaffs_Device *dev) { cp->nErasedBlocks = dev->nErasedBlocks; cp->allocationBlock = dev->allocationBlock; cp->allocationPage = dev->allocationPage; cp->nFreeChunks = dev->nFreeChunks; - + cp->nDeletedFiles = dev->nDeletedFiles; cp->nUnlinkedFiles = dev->nUnlinkedFiles; cp->nBackgroundDeletions = dev->nBackgroundDeletions; cp->sequenceNumber = dev->sequenceNumber; cp->oldestDirtySequence = dev->oldestDirtySequence; - + } static void yaffs_CheckpointDeviceToDevice(yaffs_Device *dev, @@ -4082,7 +4082,7 @@ static void yaffs_CheckpointDeviceToDevice(yaffs_Device *dev, dev->allocationBlock = cp->allocationBlock; dev->allocationPage = cp->allocationPage; dev->nFreeChunks = cp->nFreeChunks; - + dev->nDeletedFiles = cp->nDeletedFiles; dev->nUnlinkedFiles = cp->nUnlinkedFiles; dev->nBackgroundDeletions = cp->nBackgroundDeletions; @@ -4098,20 +4098,20 @@ static int yaffs_WriteCheckpointDevice(yaffs_Device *dev) __u32 nBlocks = (dev->internalEndBlock - dev->internalStartBlock + 1); int ok; - + /* Write device runtime values*/ yaffs_DeviceToCheckpointDevice(&cp,dev); cp.structType = sizeof(cp); - + ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp)); - + /* Write block info */ if(ok) { nBytes = nBlocks * sizeof(yaffs_BlockInfo); ok = (yaffs_CheckpointWrite(dev,dev->blockInfo,nBytes) == nBytes); } - - /* Write chunk bits */ + + /* Write chunk bits */ if(ok) { nBytes = nBlocks * dev->chunkBitmapStride; ok = (yaffs_CheckpointWrite(dev,dev->chunkBits,nBytes) == nBytes); @@ -4126,28 +4126,28 @@ static int yaffs_ReadCheckpointDevice(yaffs_Device *dev) __u32 nBytes; __u32 nBlocks = (dev->internalEndBlock - dev->internalStartBlock + 1); - int ok; - + int ok; + ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp)); if(!ok) return 0; - + if(cp.structType != sizeof(cp)) return 0; - - + + yaffs_CheckpointDeviceToDevice(dev,&cp); - + nBytes = nBlocks * sizeof(yaffs_BlockInfo); - + ok = (yaffs_CheckpointRead(dev,dev->blockInfo,nBytes) == nBytes); - + if(!ok) return 0; nBytes = nBlocks * dev->chunkBitmapStride; - + ok = (yaffs_CheckpointRead(dev,dev->chunkBits,nBytes) == nBytes); - + return ok ? 1 : 0; } @@ -4158,7 +4158,7 @@ static void yaffs_ObjectToCheckpointObject(yaffs_CheckpointObject *cp, cp->objectId = obj->objectId; cp->parentId = (obj->parent) ? obj->parent->objectId : 0; cp->chunkId = obj->chunkId; - cp->variantType = obj->variantType; + cp->variantType = obj->variantType; cp->deleted = obj->deleted; cp->softDeleted = obj->softDeleted; cp->unlinked = obj->unlinked; @@ -4167,7 +4167,7 @@ static void yaffs_ObjectToCheckpointObject(yaffs_CheckpointObject *cp, cp->unlinkAllowed = obj->unlinkAllowed; cp->serial = obj->serial; cp->nDataChunks = obj->nDataChunks; - + if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) cp->fileSizeOrEquivalentObjectId = obj->variant.fileVariant.fileSize; else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) @@ -4178,9 +4178,9 @@ static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointOb { yaffs_Object *parent; - + obj->objectId = cp->objectId; - + if(cp->parentId) parent = yaffs_FindOrCreateObjectByNumber( obj->myDev, @@ -4188,12 +4188,12 @@ static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointOb YAFFS_OBJECT_TYPE_DIRECTORY); else parent = NULL; - + if(parent) yaffs_AddObjectToDirectory(parent, obj); - + obj->chunkId = cp->chunkId; - obj->variantType = cp->variantType; + obj->variantType = cp->variantType; obj->deleted = cp->deleted; obj->softDeleted = cp->softDeleted; obj->unlinked = cp->unlinked; @@ -4202,12 +4202,12 @@ static void yaffs_CheckpointObjectToObject( yaffs_Object *obj,yaffs_CheckpointOb obj->unlinkAllowed = cp->unlinkAllowed; obj->serial = cp->serial; obj->nDataChunks = cp->nDataChunks; - + if(obj->variantType == YAFFS_OBJECT_TYPE_FILE) obj->variant.fileVariant.fileSize = cp->fileSizeOrEquivalentObjectId; else if(obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) obj->variant.hardLinkVariant.equivalentObjectId = cp->fileSizeOrEquivalentObjectId; - + if(obj->objectId >= YAFFS_NOBJECT_BUCKETS) obj->lazyLoaded = 1; } @@ -4250,17 +4250,17 @@ static int yaffs_WriteCheckpointTnodes(yaffs_Object *obj) { __u32 endMarker = ~0; int ok = 1; - + if(obj->variantType == YAFFS_OBJECT_TYPE_FILE){ ok = yaffs_CheckpointTnodeWorker(obj, obj->variant.fileVariant.top, obj->variant.fileVariant.topLevel, 0); if(ok) - ok = (yaffs_CheckpointWrite(obj->myDev,&endMarker,sizeof(endMarker)) == + ok = (yaffs_CheckpointWrite(obj->myDev,&endMarker,sizeof(endMarker)) == sizeof(endMarker)); } - + return ok ? 1 : 0; } @@ -4272,14 +4272,14 @@ static int yaffs_ReadCheckpointTnodes(yaffs_Object *obj) yaffs_FileStructure *fileStructPtr = &obj->variant.fileVariant; yaffs_Tnode *tn; int nread = 0; - + ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk)); - + while(ok && (~baseChunk)){ nread++; /* Read level 0 tnode */ - - + + /* printf("read tnode at %d\n",baseChunk); */ tn = yaffs_GetTnodeRaw(dev); if(tn) @@ -4287,27 +4287,27 @@ static int yaffs_ReadCheckpointTnodes(yaffs_Object *obj) (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8); else ok = 0; - + if(tn && ok){ ok = yaffs_AddOrFindLevel0Tnode(dev, fileStructPtr, baseChunk, tn) ? 1 : 0; - + } - + if(ok) ok = (yaffs_CheckpointRead(dev,&baseChunk,sizeof(baseChunk)) == sizeof(baseChunk)); - + } T(YAFFS_TRACE_CHECKPOINT,( TSTR("Checkpoint read tnodes %d records, last %d. ok %d" TENDSTR), nread,baseChunk,ok)); - return ok ? 1 : 0; + return ok ? 1 : 0; } - + static int yaffs_WriteCheckpointObjects(yaffs_Device *dev) { @@ -4317,11 +4317,11 @@ static int yaffs_WriteCheckpointObjects(yaffs_Device *dev) int ok = 1; struct list_head *lh; - + /* Iterate through the objects in each hash entry, * dumping them to the checkpointing stream. */ - + for(i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++){ list_for_each(lh, &dev->objectBucket[i].list) { if (lh) { @@ -4333,9 +4333,9 @@ static int yaffs_WriteCheckpointObjects(yaffs_Device *dev) T(YAFFS_TRACE_CHECKPOINT,( TSTR("Checkpoint write object %d parent %d type %d chunk %d obj addr %x" TENDSTR), cp.objectId,cp.parentId,cp.variantType,cp.chunkId,(unsigned) obj)); - + ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp)); - + if(ok && obj->variantType == YAFFS_OBJECT_TYPE_FILE){ ok = yaffs_WriteCheckpointTnodes(obj); } @@ -4343,14 +4343,14 @@ static int yaffs_WriteCheckpointObjects(yaffs_Device *dev) } } } - + /* Dump end of list */ memset(&cp,0xFF,sizeof(yaffs_CheckpointObject)); cp.structType = sizeof(cp); - + if(ok) ok = (yaffs_CheckpointWrite(dev,&cp,sizeof(cp)) == sizeof(cp)); - + return ok ? 1 : 0; } @@ -4361,7 +4361,7 @@ static int yaffs_ReadCheckpointObjects(yaffs_Device *dev) int ok = 1; int done = 0; yaffs_Object *hardList = NULL; - + while(ok && !done) { ok = (yaffs_CheckpointRead(dev,&cp,sizeof(cp)) == sizeof(cp)); if(cp.structType != sizeof(cp)) { @@ -4369,10 +4369,10 @@ static int yaffs_ReadCheckpointObjects(yaffs_Device *dev) cp.structType,sizeof(cp),ok)); ok = 0; } - + T(YAFFS_TRACE_CHECKPOINT,(TSTR("Checkpoint read object %d parent %d type %d chunk %d " TENDSTR), cp.objectId,cp.parentId,cp.variantType,cp.chunkId)); - + if(ok && cp.objectId == ~0) done = 1; else if(ok){ @@ -4387,14 +4387,14 @@ static int yaffs_ReadCheckpointObjects(yaffs_Device *dev) hardList; hardList = obj; } - + } } } - + if(ok) yaffs_HardlinkFixup(dev,hardList); - + return ok ? 1 : 0; } @@ -4402,14 +4402,14 @@ static int yaffs_WriteCheckpointSum(yaffs_Device *dev) { __u32 checkpointSum; int ok; - + yaffs_GetCheckpointSum(dev,&checkpointSum); - + ok = (yaffs_CheckpointWrite(dev,&checkpointSum,sizeof(checkpointSum)) == sizeof(checkpointSum)); - + if(!ok) return 0; - + return 1; } @@ -4418,17 +4418,17 @@ static int yaffs_ReadCheckpointSum(yaffs_Device *dev) __u32 checkpointSum0; __u32 checkpointSum1; int ok; - + yaffs_GetCheckpointSum(dev,&checkpointSum0); - + ok = (yaffs_CheckpointRead(dev,&checkpointSum1,sizeof(checkpointSum1)) == sizeof(checkpointSum1)); - + if(!ok) return 0; - + if(checkpointSum0 != checkpointSum1) return 0; - + return 1; } @@ -4437,15 +4437,15 @@ static int yaffs_WriteCheckpointData(yaffs_Device *dev) { int ok = 1; - + if(dev->skipCheckpointWrite || !dev->isYaffs2){ T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint write" TENDSTR))); ok = 0; } - + if(ok) ok = yaffs_CheckpointOpen(dev,1); - + if(ok){ T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR))); ok = yaffs_WriteCheckpointValidityMarker(dev,1); @@ -4462,18 +4462,18 @@ static int yaffs_WriteCheckpointData(yaffs_Device *dev) T(YAFFS_TRACE_CHECKPOINT,(TSTR("write checkpoint validity" TENDSTR))); ok = yaffs_WriteCheckpointValidityMarker(dev,0); } - + if(ok){ ok = yaffs_WriteCheckpointSum(dev); } - - + + if(!yaffs_CheckpointClose(dev)) ok = 0; - + if(ok) dev->isCheckpointed = 1; - else + else dev->isCheckpointed = 0; return dev->isCheckpointed; @@ -4482,17 +4482,17 @@ static int yaffs_WriteCheckpointData(yaffs_Device *dev) static int yaffs_ReadCheckpointData(yaffs_Device *dev) { int ok = 1; - + if(dev->skipCheckpointRead || !dev->isYaffs2){ T(YAFFS_TRACE_CHECKPOINT,(TSTR("skipping checkpoint read" TENDSTR))); ok = 0; } - + if(ok) ok = yaffs_CheckpointOpen(dev,0); /* open for read */ - + if(ok){ - T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR))); + T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR))); ok = yaffs_ReadCheckpointValidityMarker(dev,1); } if(ok){ @@ -4500,14 +4500,14 @@ static int yaffs_ReadCheckpointData(yaffs_Device *dev) ok = yaffs_ReadCheckpointDevice(dev); } if(ok){ - T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint objects" TENDSTR))); + T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint objects" TENDSTR))); ok = yaffs_ReadCheckpointObjects(dev); } if(ok){ T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint validity" TENDSTR))); ok = yaffs_ReadCheckpointValidityMarker(dev,0); } - + if(ok){ ok = yaffs_ReadCheckpointSum(dev); T(YAFFS_TRACE_CHECKPOINT,(TSTR("read checkpoint checksum %d" TENDSTR),ok)); @@ -4518,7 +4518,7 @@ static int yaffs_ReadCheckpointData(yaffs_Device *dev) if(ok) dev->isCheckpointed = 1; - else + else dev->isCheckpointed = 0; return ok ? 1 : 0; @@ -4527,7 +4527,7 @@ static int yaffs_ReadCheckpointData(yaffs_Device *dev) static void yaffs_InvalidateCheckpoint(yaffs_Device *dev) { - if(dev->isCheckpointed || + if(dev->isCheckpointed || dev->blocksInCheckpoint > 0){ dev->isCheckpointed = 0; yaffs_CheckpointInvalidateStream(dev); @@ -4550,7 +4550,7 @@ int yaffs_CheckpointSave(yaffs_Device *dev) yaffs_InvalidateCheckpoint(dev); yaffs_WriteCheckpointData(dev); } - + T(YAFFS_TRACE_ALWAYS,(TSTR("save exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed)); return dev->isCheckpointed; @@ -4560,7 +4560,7 @@ int yaffs_CheckpointRestore(yaffs_Device *dev) { int retval; T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore entry: isCheckpointed %d"TENDSTR),dev->isCheckpointed)); - + retval = yaffs_ReadCheckpointData(dev); if(dev->isCheckpointed){ @@ -4570,7 +4570,7 @@ int yaffs_CheckpointRestore(yaffs_Device *dev) } T(YAFFS_TRACE_CHECKPOINT,(TSTR("restore exit: isCheckpointed %d"TENDSTR),dev->isCheckpointed)); - + return retval; } @@ -4606,7 +4606,7 @@ int yaffs_ReadDataFromFile(yaffs_Object * in, __u8 * buffer, loff_t offset, chunk++; /* OK now check for the curveball where the start and end are in - * the same chunk. + * the same chunk. */ if ((start + n) < dev->nDataBytesPerChunk) { nToCopy = n; @@ -4763,7 +4763,7 @@ int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset, yaffs_ChunkCache *cache; /* If we can't find the data in the cache, then load the cache */ cache = yaffs_FindChunkCache(in, chunk); - + if (!cache && yaffs_CheckSpaceForAllocation(in-> myDev)) { @@ -4776,12 +4776,12 @@ int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset, cache-> data); } - else if(cache && + else if(cache && !cache->dirty && !yaffs_CheckSpaceForAllocation(in->myDev)){ /* Drop the cache if it was a read cache item and * no space check has been made for it. - */ + */ cache = NULL; } @@ -4945,7 +4945,7 @@ int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize) int oldFileSize = in->variant.fileVariant.fileSize; int newSizeOfPartialChunk; int newFullChunks; - + yaffs_Device *dev = in->myDev; yaffs_AddrToChunk(dev, newSize, &newFullChunks, &newSizeOfPartialChunk); @@ -4969,7 +4969,7 @@ int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize) if (newSizeOfPartialChunk != 0) { int lastChunk = 1 + newFullChunks; - + __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__); /* Got to read and rewrite the last chunk with its new size and zero pad */ @@ -4993,8 +4993,8 @@ int yaffs_ResizeFile(yaffs_Object * in, loff_t newSize) in->variant.fileVariant.fileSize = newSize; } - - + + /* Write a new object header. * show we've shrunk the file, if need be * Do this only if the file is not in the deleted directories. @@ -5313,7 +5313,7 @@ static void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList) { yaffs_Object *hl; yaffs_Object *in; - + while (hardList) { hl = hardList; hardList = (yaffs_Object *) (hardList->hardLinks.next); @@ -5376,9 +5376,9 @@ static int yaffs_Scan(yaffs_Device * dev) yaffs_Object *in; yaffs_Object *parent; int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; - + int alloc_failed = 0; - + __u8 *chunkData; @@ -5389,9 +5389,9 @@ static int yaffs_Scan(yaffs_Device * dev) (TSTR("yaffs_Scan is not for YAFFS2!" TENDSTR))); return YAFFS_FAIL; } - + //TODO Throw all the yaffs2 stuuf out of yaffs_Scan since it is only for yaffs1 format. - + T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan starts intstartblk %d intendblk %d..." TENDSTR), dev->internalStartBlock, dev->internalEndBlock)); @@ -5520,7 +5520,7 @@ static int yaffs_Scan(yaffs_Device * dev) /*T((" %d %d deleted\n",blk,c)); */ } else if (!tags.chunkUsed) { /* An unassigned chunk in the block - * This means that either the block is empty or + * This means that either the block is empty or * this is the one being allocated from */ @@ -5537,9 +5537,9 @@ static int yaffs_Scan(yaffs_Device * dev) state = YAFFS_BLOCK_STATE_ALLOCATING; dev->allocationBlock = blk; dev->allocationPage = c; - dev->allocationBlockFinder = blk; + dev->allocationBlockFinder = blk; /* Set it to here to encourage the allocator to go forth from here. */ - + /* Yaffs2 sanity check: * This should be the one with the highest sequence number */ @@ -5569,7 +5569,7 @@ static int yaffs_Scan(yaffs_Device * dev) /* PutChunkIntoFile checks for a clash (two data chunks with * the same chunkId). */ - + if(!in) alloc_failed = 1; @@ -5577,11 +5577,11 @@ static int yaffs_Scan(yaffs_Device * dev) if(!yaffs_PutChunkIntoFile(in, tags.chunkId, chunk,1)) alloc_failed = 1; } - + endpos = (tags.chunkId - 1) * dev->nDataBytesPerChunk + tags.byteCount; - if (in && + if (in && in->variantType == YAFFS_OBJECT_TYPE_FILE && in->variant.fileVariant.scannedFileSize < endpos) { @@ -5613,7 +5613,7 @@ static int yaffs_Scan(yaffs_Device * dev) tags.objectId); if (in && in->variantType != oh->type) { /* This should not happen, but somehow - * Wev'e ended up with an objectId that has been reused but not yet + * Wev'e ended up with an objectId that has been reused but not yet * deleted, and worse still it has changed type. Delete the old object. */ @@ -5629,7 +5629,7 @@ static int yaffs_Scan(yaffs_Device * dev) if(!in) alloc_failed = 1; - + if (in && oh->shadowsObject > 0) { yaffs_HandleShadowedObject(dev, oh-> @@ -5752,11 +5752,11 @@ static int yaffs_Scan(yaffs_Device * dev) * Since we might scan a hardlink before its equivalent object is scanned * we put them all in a list. * After scanning is complete, we should have all the objects, so we run through this - * list and fix up all the chains. + * list and fix up all the chains. */ switch (in->variantType) { - case YAFFS_OBJECT_TYPE_UNKNOWN: + case YAFFS_OBJECT_TYPE_UNKNOWN: /* Todo got a problem */ break; case YAFFS_OBJECT_TYPE_FILE: @@ -5791,7 +5791,7 @@ static int yaffs_Scan(yaffs_Device * dev) case YAFFS_OBJECT_TYPE_SPECIAL: /* Do nothing */ break; - case YAFFS_OBJECT_TYPE_SYMLINK: + case YAFFS_OBJECT_TYPE_SYMLINK: in->variant.symLinkVariant.alias = yaffs_CloneString(oh->alias); if(!in->variant.symLinkVariant.alias) @@ -5826,11 +5826,11 @@ static int yaffs_Scan(yaffs_Device * dev) if (blockIndex) { YFREE(blockIndex); } - - + + /* Ok, we've done all the scanning. * Fix up the hard link chains. - * We should now have scanned all the objects, now it's time to add these + * We should now have scanned all the objects, now it's time to add these * hardlinks. */ @@ -5860,9 +5860,9 @@ static int yaffs_Scan(yaffs_Device * dev) if(alloc_failed){ return YAFFS_FAIL; } - + T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan ends" TENDSTR))); - + return YAFFS_OK; } @@ -5878,7 +5878,7 @@ static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) if(!in) return; - + #if 0 T(YAFFS_TRACE_SCAN,(TSTR("details for object %d %s loaded" TENDSTR), in->objectId, @@ -5890,7 +5890,7 @@ static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) chunkData = yaffs_GetTempBuffer(dev, __LINE__); result = yaffs_ReadChunkWithTagsFromNAND(dev,in->chunkId,chunkData,&tags); - oh = (yaffs_ObjectHeader *) chunkData; + oh = (yaffs_ObjectHeader *) chunkData; in->yst_mode = oh->yst_mode; #ifdef CONFIG_YAFFS_WINCE @@ -5907,17 +5907,17 @@ static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) in->yst_mtime = oh->yst_mtime; in->yst_ctime = oh->yst_ctime; in->yst_rdev = oh->yst_rdev; - + #endif yaffs_SetObjectName(in, oh->name); - + if(in->variantType == YAFFS_OBJECT_TYPE_SYMLINK){ in->variant.symLinkVariant.alias = yaffs_CloneString(oh->alias); if(!in->variant.symLinkVariant.alias) alloc_failed = 1; /* Not returned to caller */ } - + yaffs_ReleaseTempBuffer(dev,chunkData, __LINE__); } } @@ -5945,13 +5945,13 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; int itsUnlinked; __u8 *chunkData; - + int fileSize; int isShrink; int foundChunksInBlock; int equivalentObjectId; int alloc_failed = 0; - + yaffs_BlockIndex *blockIndex = NULL; int altBlockIndex = 0; @@ -5971,20 +5971,20 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) dev->sequenceNumber = YAFFS_LOWEST_SEQUENCE_NUMBER; blockIndex = YMALLOC(nBlocks * sizeof(yaffs_BlockIndex)); - + if(!blockIndex) { blockIndex = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockIndex)); altBlockIndex = 1; } - + if(!blockIndex) { T(YAFFS_TRACE_SCAN, (TSTR("yaffs_Scan() could not allocate block index!" TENDSTR))); return YAFFS_FAIL; } - + dev->blocksInCheckpoint = 0; - + chunkData = yaffs_GetTempBuffer(dev, __LINE__); /* Scan all the blocks to determine their state */ @@ -6001,15 +6001,15 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) if(bi->sequenceNumber == YAFFS_SEQUENCE_CHECKPOINT_DATA) bi->blockState = state = YAFFS_BLOCK_STATE_CHECKPOINT; - + T(YAFFS_TRACE_SCAN_DEBUG, (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk, state, sequenceNumber)); - + if(state == YAFFS_BLOCK_STATE_CHECKPOINT){ dev->blocksInCheckpoint++; - + } else if (state == YAFFS_BLOCK_STATE_DEAD) { T(YAFFS_TRACE_BAD_BLOCKS, (TSTR("block %d is bad" TENDSTR), blk)); @@ -6058,7 +6058,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) #else { /* Dungy old bubble sort... */ - + yaffs_BlockIndex temp; int i; int j; @@ -6094,22 +6094,22 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) blk = blockIndex[blockIterator].block; bi = yaffs_GetBlockInfo(dev, blk); - - + + state = bi->blockState; deleted = 0; /* For each chunk in each block that needs scanning.... */ foundChunksInBlock = 0; - for (c = dev->nChunksPerBlock - 1; + for (c = dev->nChunksPerBlock - 1; !alloc_failed && c >= 0 && (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING || state == YAFFS_BLOCK_STATE_ALLOCATING); c--) { - /* Scan backwards... + /* Scan backwards... * Read the tags and decide what to do */ - + chunk = blk * dev->nChunksPerBlock + c; result = yaffs_ReadChunkWithTagsFromNAND(dev, chunk, NULL, @@ -6123,14 +6123,14 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) * it is a chunk that was skipped due to failing the erased * check. Just skip it so that it can be deleted. * But, more typically, We get here when this is an unallocated - * chunk and his means that either the block is empty or + * chunk and his means that either the block is empty or * this is the one being allocated from */ if(foundChunksInBlock) { /* This is a chunk that was skipped due to failing the erased check */ - + } else if (c == 0) { /* We're looking at the first chunk in the block so the block is unused */ state = YAFFS_BLOCK_STATE_EMPTY; @@ -6140,7 +6140,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) state == YAFFS_BLOCK_STATE_ALLOCATING) { if(dev->sequenceNumber == bi->sequenceNumber) { /* this is the block being allocated from */ - + T(YAFFS_TRACE_SCAN, (TSTR (" Allocating from %d %d" @@ -6149,34 +6149,34 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) state = YAFFS_BLOCK_STATE_ALLOCATING; dev->allocationBlock = blk; dev->allocationPage = c; - dev->allocationBlockFinder = blk; + dev->allocationBlockFinder = blk; } else { /* This is a partially written block that is not * the current allocation block. This block must have * had a write failure, so set up for retirement. */ - + bi->needsRetiring = 1; bi->gcPrioritise = 1; - + T(YAFFS_TRACE_ALWAYS, (TSTR("Partially written block %d being set for retirement" TENDSTR), blk)); } } - + } dev->nFreeChunks++; - + } else if (tags.chunkId > 0) { /* chunkId > 0 so it is a data chunk... */ unsigned int endpos; __u32 chunkBase = (tags.chunkId - 1) * dev->nDataBytesPerChunk; - + foundChunksInBlock = 1; @@ -6191,7 +6191,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) /* Out of memory */ alloc_failed = 1; } - + if (in && in->variantType == YAFFS_OBJECT_TYPE_FILE && chunkBase < @@ -6202,14 +6202,14 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) alloc_failed = 1; } - /* File size is calculated by looking at the data chunks if we have not + /* File size is calculated by looking at the data chunks if we have not * seen an object header yet. Stop this practice once we find an object header. */ endpos = (tags.chunkId - 1) * dev->nDataBytesPerChunk + tags.byteCount; - + if (!in->valid && /* have not got an object header yet */ in->variant.fileVariant. scannedFileSize < endpos) { @@ -6255,7 +6255,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) ) { /* If we don't have valid info then we need to read the chunk - * TODO In future we can probably defer reading the chunk and + * TODO In future we can probably defer reading the chunk and * living with invalid data until needed. */ @@ -6283,12 +6283,12 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) if (in->valid) { /* We have already filled this one. - * We have a duplicate that will be discarded, but + * We have a duplicate that will be discarded, but * we first have to suck out resize info if it is a file. */ - if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) && - ((oh && + if ((in->variantType == YAFFS_OBJECT_TYPE_FILE) && + ((oh && oh-> type == YAFFS_OBJECT_TYPE_FILE)|| (tags.extraHeaderInfoAvailable && tags.extraObjectType == YAFFS_OBJECT_TYPE_FILE)) @@ -6339,7 +6339,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) YAFFS_OBJECTID_LOSTNFOUND)) { /* We only load some info, don't fiddle with directory structure */ in->valid = 1; - + if(oh) { in->variantType = oh->type; @@ -6358,13 +6358,13 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) in->yst_mtime = oh->yst_mtime; in->yst_ctime = oh->yst_ctime; in->yst_rdev = oh->yst_rdev; - + #endif } else { in->variantType = tags.extraObjectType; in->lazyLoaded = 1; } - + in->chunkId = chunk; } else if (!in->valid) { @@ -6372,7 +6372,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) in->valid = 1; in->chunkId = chunk; - + if(oh) { in->variantType = oh->type; @@ -6393,12 +6393,12 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) in->yst_rdev = oh->yst_rdev; #endif - if (oh->shadowsObject > 0) + if (oh->shadowsObject > 0) yaffs_HandleShadowedObject(dev, oh-> shadowsObject, 1); - + yaffs_SetObjectName(in, oh->name); parent = @@ -6466,11 +6466,11 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) * Since we might scan a hardlink before its equivalent object is scanned * we put them all in a list. * After scanning is complete, we should have all the objects, so we run - * through this list and fix up all the chains. + * through this list and fix up all the chains. */ switch (in->variantType) { - case YAFFS_OBJECT_TYPE_UNKNOWN: + case YAFFS_OBJECT_TYPE_UNKNOWN: /* Todo got a problem */ break; case YAFFS_OBJECT_TYPE_FILE: @@ -6479,7 +6479,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) scannedFileSize < fileSize) { /* This covers the case where the file size is greater * than where the data is - * This will happen if the file is resized to be larger + * This will happen if the file is resized to be larger * than its current data extents. */ in->variant.fileVariant.fileSize = fileSize; @@ -6520,7 +6520,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) } } - + } } /* End of scanning for each chunk */ @@ -6541,19 +6541,19 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) } - if (altBlockIndex) + if (altBlockIndex) YFREE_ALT(blockIndex); else YFREE(blockIndex); - + /* Ok, we've done all the scanning. * Fix up the hard link chains. - * We should now have scanned all the objects, now it's time to add these + * We should now have scanned all the objects, now it's time to add these * hardlinks. */ yaffs_HardlinkFixup(dev,hardList); - - + + /* * Sort out state of unlinked and deleted objects. */ @@ -6586,7 +6586,7 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) } yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__); - + if(alloc_failed){ return YAFFS_FAIL; } @@ -6601,10 +6601,10 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj) { yaffs_Device *dev = obj->myDev; - + if(dev && dev->removeObjectCallback) dev->removeObjectCallback(obj); - + list_del_init(&obj->siblings); obj->parent = NULL; } @@ -6682,7 +6682,7 @@ yaffs_Object *yaffs_FindObjectByName(yaffs_Object * directory, list_for_each(i, &directory->variant.directoryVariant.children) { if (i) { l = list_entry(i, yaffs_Object, siblings); - + yaffs_CheckObjectDetailsLoaded(l); /* Special case for lost-n-found */ @@ -6690,7 +6690,7 @@ yaffs_Object *yaffs_FindObjectByName(yaffs_Object * directory, if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0) { return l; } - } else if (yaffs_SumCompare(l->sum, sum) || l->chunkId <= 0) + } else if (yaffs_SumCompare(l->sum, sum) || l->chunkId <= 0) { /* LostnFound cunk called Objxxx * Do a real check @@ -6762,7 +6762,7 @@ yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object * obj) int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize) { memset(name, 0, buffSize * sizeof(YCHAR)); - + yaffs_CheckObjectDetailsLoaded(obj); if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) { @@ -6994,13 +6994,13 @@ static int yaffs_CheckDevFunctions(const yaffs_Device * dev) static int yaffs_CreateInitialDirectories(yaffs_Device *dev) { /* Initialise the unlinked, deleted, root and lost and found directories */ - + dev->lostNFoundDir = dev->rootDir = NULL; dev->unlinkedDir = dev->deletedDir = NULL; dev->unlinkedDir = yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_UNLINKED, S_IFDIR); - + dev->deletedDir = yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_DELETED, S_IFDIR); @@ -7010,12 +7010,12 @@ static int yaffs_CreateInitialDirectories(yaffs_Device *dev) dev->lostNFoundDir = yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_LOSTNFOUND, YAFFS_LOSTNFOUND_MODE | S_IFDIR); - + if(dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir){ yaffs_AddObjectToDirectory(dev->rootDir, dev->lostNFoundDir); return YAFFS_OK; } - + return YAFFS_FAIL; } @@ -7049,12 +7049,12 @@ int yaffs_GutsInitialise(yaffs_Device * dev) /* Check geometry parameters. */ - if ((dev->isYaffs2 && dev->nDataBytesPerChunk < 1024) || - (!dev->isYaffs2 && dev->nDataBytesPerChunk != 512) || - dev->nChunksPerBlock < 2 || - dev->nReservedBlocks < 2 || - dev->internalStartBlock <= 0 || - dev->internalEndBlock <= 0 || + if ((dev->isYaffs2 && dev->nDataBytesPerChunk < 1024) || + (!dev->isYaffs2 && dev->nDataBytesPerChunk != 512) || + dev->nChunksPerBlock < 2 || + dev->nReservedBlocks < 2 || + dev->internalStartBlock <= 0 || + dev->internalEndBlock <= 0 || dev->internalEndBlock <= (dev->internalStartBlock + dev->nReservedBlocks + 2) // otherwise it is too small ) { T(YAFFS_TRACE_ALWAYS, @@ -7100,9 +7100,9 @@ int yaffs_GutsInitialise(yaffs_Device * dev) /* OK now calculate a few things for the device */ - + /* - * Calculate all the chunk size manipulation numbers: + * Calculate all the chunk size manipulation numbers: */ /* Start off assuming it is a power of 2 */ dev->chunkShift = ShiftDiv(dev->nDataBytesPerChunk); @@ -7121,7 +7121,7 @@ int yaffs_GutsInitialise(yaffs_Device * dev) dev->chunkShift = 0; dev->chunkMask = 0; } - + /* * Calculate chunkGroupBits. @@ -7129,9 +7129,9 @@ int yaffs_GutsInitialise(yaffs_Device * dev) */ x = dev->nChunksPerBlock * (dev->internalEndBlock + 1); - + bits = ShiftsGE(x); - + /* Set up tnode width if wide tnodes are enabled. */ if(!dev->wideTnodesDisabled){ /* bits must be even so that we end up with 32-bit words */ @@ -7144,20 +7144,20 @@ int yaffs_GutsInitialise(yaffs_Device * dev) } else dev->tnodeWidth = 16; - + dev->tnodeMask = (1<<dev->tnodeWidth)-1; - + /* Level0 Tnodes are 16 bits or wider (if wide tnodes are enabled), * so if the bitwidth of the * chunk range we're using is greater than 16 we need * to figure out chunk shift and chunkGroupSize */ - + if (bits <= dev->tnodeWidth) dev->chunkGroupBits = 0; else dev->chunkGroupBits = bits - dev->tnodeWidth; - + dev->chunkGroupSize = 1 << dev->chunkGroupBits; @@ -7195,11 +7195,11 @@ int yaffs_GutsInitialise(yaffs_Device * dev) /* Initialise temporary buffers and caches. */ if(!yaffs_InitialiseTempBuffers(dev)) init_failed = 1; - + dev->srCache = NULL; dev->gcCleanupList = NULL; - - + + if (!init_failed && dev->nShortOpCaches > 0) { int i; @@ -7211,10 +7211,10 @@ int yaffs_GutsInitialise(yaffs_Device * dev) } buf = dev->srCache = YMALLOC(srCacheBytes); - + if(dev->srCache) memset(dev->srCache,0,srCacheBytes); - + for (i = 0; i < dev->nShortOpCaches && buf; i++) { dev->srCache[i].object = NULL; dev->srCache[i].lastUse = 0; @@ -7223,12 +7223,12 @@ int yaffs_GutsInitialise(yaffs_Device * dev) } if(!buf) init_failed = 1; - + dev->srLastUse = 0; } dev->cacheHits = 0; - + if(!init_failed){ dev->gcCleanupList = YMALLOC(dev->nChunksPerBlock * sizeof(__u32)); if(!dev->gcCleanupList) @@ -7240,7 +7240,7 @@ int yaffs_GutsInitialise(yaffs_Device * dev) } if(!init_failed && !yaffs_InitialiseBlocks(dev)) init_failed = 1; - + yaffs_InitialiseTnodes(dev); yaffs_InitialiseObjects(dev); @@ -7256,14 +7256,14 @@ int yaffs_GutsInitialise(yaffs_Device * dev) (TSTR("yaffs: restored from checkpoint" TENDSTR))); } else { - /* Clean up the mess caused by an aborted checkpoint load - * and scan backwards. + /* Clean up the mess caused by an aborted checkpoint load + * and scan backwards. */ yaffs_DeinitialiseBlocks(dev); yaffs_DeinitialiseTnodes(dev); yaffs_DeinitialiseObjects(dev); - - + + dev->nErasedBlocks = 0; dev->nFreeChunks = 0; dev->allocationBlock = -1; @@ -7275,7 +7275,7 @@ int yaffs_GutsInitialise(yaffs_Device * dev) if(!init_failed && !yaffs_InitialiseBlocks(dev)) init_failed = 1; - + yaffs_InitialiseTnodes(dev); yaffs_InitialiseObjects(dev); @@ -7289,7 +7289,7 @@ int yaffs_GutsInitialise(yaffs_Device * dev) if(!yaffs_Scan(dev)) init_failed = 1; } - + if(init_failed){ /* Clean up the mess */ T(YAFFS_TRACE_TRACING, @@ -7310,7 +7310,7 @@ int yaffs_GutsInitialise(yaffs_Device * dev) yaffs_VerifyFreeChunks(dev); yaffs_VerifyBlocks(dev); - + T(YAFFS_TRACE_TRACING, (TSTR("yaffs: yaffs_GutsInitialise() done.\n" TENDSTR))); @@ -7394,7 +7394,7 @@ int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev) #endif nFree += dev->nDeletedFiles; - + /* Now count the number of dirty chunks in the cache and subtract those */ { @@ -7408,12 +7408,12 @@ int yaffs_GetNumberOfFreeChunks(yaffs_Device * dev) nFree -= nDirtyCacheChunks; nFree -= ((dev->nReservedBlocks + 1) * dev->nChunksPerBlock); - + /* Now we figure out how much to reserve for the checkpoint and report that... */ blocksForCheckpoint = dev->nCheckpointReservedBlocks - dev->blocksInCheckpoint; if(blocksForCheckpoint < 0) blocksForCheckpoint = 0; - + nFree -= (blocksForCheckpoint * dev->nChunksPerBlock); if (nFree < 0) @@ -7429,10 +7429,10 @@ static void yaffs_VerifyFreeChunks(yaffs_Device * dev) { int counted; int difference; - + if(yaffs_SkipVerification(dev)) return; - + counted = yaffs_CountFreeChunks(dev); difference = dev->nFreeChunks - counted; diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_guts.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_guts.h index 59c6e75acf..ea06c1a38e 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_guts.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_guts.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering @@ -22,11 +22,11 @@ #define YAFFS_OK 1 #define YAFFS_FAIL 0 -/* Give us a Y=0x59, - * Give us an A=0x41, - * Give us an FF=0xFF +/* Give us a Y=0x59, + * Give us an A=0x41, + * Give us an FF=0xFF * Give us an S=0x53 - * And what have we got... + * And what have we got... */ #define YAFFS_MAGIC 0x5941FF53 @@ -102,7 +102,7 @@ * The range is limited slightly to help distinguish bad numbers from good. * This also allows us to perhaps in the future use special numbers for * special purposes. - * EFFFFF00 allows the allocation of 8 blocks per second (~1Mbytes) for 15 years, + * EFFFFF00 allows the allocation of 8 blocks per second (~1Mbytes) for 15 years, * and is a larger number than the lifetime of a 2GB device. */ #define YAFFS_LOWEST_SEQUENCE_NUMBER 0x00001000 @@ -178,7 +178,7 @@ typedef struct { /* The following stuff only has meaning when we read */ yaffs_ECCResult eccResult; - unsigned blockBad; + unsigned blockBad; /* YAFFS 1 stuff */ unsigned chunkDeleted; /* The chunk is marked deleted */ @@ -244,29 +244,29 @@ typedef enum { /* This block is empty */ YAFFS_BLOCK_STATE_ALLOCATING, - /* This block is partially allocated. + /* 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 */ - YAFFS_BLOCK_STATE_FULL, + YAFFS_BLOCK_STATE_FULL, /* All the pages in this block have been allocated. */ YAFFS_BLOCK_STATE_DIRTY, - /* All pages have been allocated and deleted. + /* All pages have been allocated and deleted. * Erase me, reuse me. */ - YAFFS_BLOCK_STATE_CHECKPOINT, + YAFFS_BLOCK_STATE_CHECKPOINT, /* This block is assigned to holding checkpoint data. */ - YAFFS_BLOCK_STATE_COLLECTING, + YAFFS_BLOCK_STATE_COLLECTING, /* This block is being garbage collected */ - YAFFS_BLOCK_STATE_DEAD + YAFFS_BLOCK_STATE_DEAD /* This block has failed and is not in use */ } yaffs_BlockState; @@ -281,7 +281,7 @@ typedef struct { __u32 needsRetiring:1; /* Data has failed on this block, need to get valid data off */ /* and retire the block. */ __u32 skipErasedCheck: 1; /* If this is set we can skip the erased check on this block */ - __u32 gcPrioritise: 1; /* An ECC check or blank check has failed on this block. + __u32 gcPrioritise: 1; /* An ECC check or blank check has failed on this block. It should be prioritised for GC */ __u32 chunkErrorStrikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */ @@ -408,7 +408,7 @@ struct yaffs_ObjectStruct { __u8 renameAllowed:1; /* Some objects are not allowed to be renamed. */ __u8 unlinkAllowed:1; __u8 dirty:1; /* the object needs to be written to flash */ - __u8 valid:1; /* When the file system is being loaded up, this + __u8 valid:1; /* When the file system is being loaded up, this * object might be created before the data * is available (ie. file data records appear before the header). */ @@ -430,11 +430,11 @@ struct yaffs_ObjectStruct { /* directory structure stuff */ /* also used for linking up the free list */ - struct yaffs_ObjectStruct *parent; + struct yaffs_ObjectStruct *parent; struct list_head siblings; /* Where's my object header in NAND? */ - int chunkId; + int chunkId; int nDataChunks; /* Number of data chunks attached to the file. */ @@ -490,26 +490,26 @@ typedef struct { } yaffs_ObjectBucket; -/* yaffs_CheckpointObject holds the definition of an object as dumped +/* yaffs_CheckpointObject holds the definition of an object as dumped * by checkpointing. */ typedef struct { int structType; - __u32 objectId; + __u32 objectId; __u32 parentId; int chunkId; - + yaffs_ObjectType variantType:3; - __u8 deleted:1; - __u8 softDeleted:1; - __u8 unlinked:1; - __u8 fake:1; + __u8 deleted:1; + __u8 softDeleted:1; + __u8 unlinked:1; + __u8 fake:1; __u8 renameAllowed:1; __u8 unlinkAllowed:1; - __u8 serial; - - int nDataChunks; + __u8 serial; + + int nDataChunks; __u32 fileSizeOrEquivalentObjectId; }yaffs_CheckpointObject; @@ -539,14 +539,14 @@ struct yaffs_DeviceStruct { int endBlock; /* End block we're allowed to use */ int nReservedBlocks; /* We want this tuneable so that we can reduce */ /* 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 @@ -561,7 +561,7 @@ struct yaffs_DeviceStruct { * On an mtd this holds the mtd pointer. */ void *superBlock; - + /* NAND access functions (Must be set before calling YAFFS)*/ int (*writeChunkToNAND) (struct yaffs_DeviceStruct * dev, @@ -587,21 +587,21 @@ struct yaffs_DeviceStruct { #endif int isYaffs2; - - /* The removeObjectCallback function must be supplied by OS flavours that + + /* The removeObjectCallback function must be supplied by OS flavours that * need it. The Linux kernel does not use this, but yaffs direct does use * it to implement the faster readdir */ void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj); - + /* Callback to mark the superblock dirsty */ void (*markSuperBlockDirty)(void * superblock); - + int wideTnodesDisabled; /* Set to disable wide tnodes */ - + /* End of stuff that must be set before initialisation. */ - + /* Checkpoint control. Can be set before or after initialisation */ __u8 skipCheckpointRead; __u8 skipCheckpointWrite; @@ -610,34 +610,34 @@ struct yaffs_DeviceStruct { __u16 chunkGroupBits; /* 0 for devices <= 32MB. else log2(nchunks) - 16 */ __u16 chunkGroupSize; /* == 2^^chunkGroupBits */ - + /* Stuff to support wide tnodes */ __u32 tnodeWidth; __u32 tnodeMask; - + /* Stuff to support various file offses to chunk/offset translations */ /* "Crumbs" for nDataBytesPerChunk not being a power of 2 */ __u32 crumbMask; __u32 crumbShift; __u32 crumbsPerChunk; - + /* Straight shifting for nDataBytesPerChunk being a power of 2 */ __u32 chunkShift; __u32 chunkMask; - + #ifdef __KERNEL__ struct semaphore sem; /* Semaphore for waiting on erasure.*/ struct semaphore grossLock; /* Gross locking semaphore */ - __u8 *spareBuffer; /* For mtdif2 use. Don't know the size of the buffer + __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); #endif int isMounted; - + int isCheckpointed; @@ -646,7 +646,7 @@ struct yaffs_DeviceStruct { int internalEndBlock; int blockOffset; int chunkOffset; - + /* Runtime checkpointing stuff */ int checkpointPageSequence; /* running sequence number of checkpoint pages */ @@ -662,13 +662,13 @@ struct yaffs_DeviceStruct { int checkpointMaxBlocks; __u32 checkpointSum; __u32 checkpointXor; - + /* Block Info */ yaffs_BlockInfo *blockInfo; __u8 *chunkBits; /* bitmap of chunks in use */ unsigned blockInfoAlt:1; /* was allocated using alternative strategy */ unsigned chunkBitsAlt:1; /* was allocated using alternative strategy */ - int chunkBitmapStride; /* Number of bytes of chunkBits per block. + int chunkBitmapStride; /* Number of bytes of chunkBits per block. * Must be consistent with nChunksPerBlock. */ @@ -716,7 +716,7 @@ struct yaffs_DeviceStruct { int tagsEccUnfixed; int nDeletions; int nUnmarkedDeletions; - + int hasPendingPrioritisedGCs; /* We think this device might have pending prioritised gcs */ /* Special directories */ @@ -727,7 +727,7 @@ struct yaffs_DeviceStruct { * __u8 bufferedData[YAFFS_CHUNKS_PER_BLOCK][YAFFS_BYTES_PER_CHUNK]; * yaffs_Spare bufferedSpare[YAFFS_CHUNKS_PER_BLOCK]; */ - + int bufferedBlock; /* Which block is buffered here? */ int doingBufferedBlockRewrite; @@ -768,7 +768,7 @@ typedef struct { int endBlock; int rfu[100]; } yaffs_SuperBlockHeader; - + /* The CheckpointDevice structure holds the device information that changes at runtime and * must be preserved over unmount/mount cycles. */ diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif.c index 6e2a9de222..466e5a44c6 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif.c @@ -172,7 +172,7 @@ int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data, __u8 *spareAsBytes = (__u8 *) spare; if (data && spare) { - if (dev->useNANDECC) { + if (dev->useNANDECC) { /* Careful, this call adds 2 ints */ /* to the end of the spare data. Calling function */ /* should allocate enough memory for spare, */ diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif.h index f75e08c23a..317600cac9 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif1-compat.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif1-compat.c index ebf6647e83..6ea675611d 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif1-compat.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif1-compat.c @@ -30,9 +30,9 @@ Message-Id: <200705181006.49860.ian@brightstareng.com> X-Virus-Scanned: by amavisd-new at brightstareng.com Status: R X-Status: NT -X-KMail-EncryptionState: -X-KMail-SignatureState: -X-KMail-MDN-Sent: +X-KMail-EncryptionState: +X-KMail-SignatureState: +X-KMail-MDN-Sent: --Boundary-00=_5LbTGmt62YoutxM Content-Type: text/plain; @@ -49,9 +49,9 @@ On Friday 18 May 2007 08:34, you wrote: Good news! -Attached is a newer yaffs_mtdif1.c with a bandaid to help the +Attached is a newer yaffs_mtdif1.c with a bandaid to help the 2.6.18 and 2.6.19 versions of MTD not trip on the oob read. -See the LINUX_VERSION_CODE conditional in +See the LINUX_VERSION_CODE conditional in nandmtd1_ReadChunkWithTagsFromNAND. -imcd @@ -361,7 +361,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) } /* Check any MTD prerequists. - * + * * Returns YAFFS_OK or YAFFS_FAIL. */ static int nandmtd1_TestPrerequists(struct mtd_info * mtd) diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif1.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif1.c index 15b5a97046..36d5adec5c 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif1.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif1.c @@ -295,7 +295,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) } /* Check any MTD prerequists. - * + * * Returns YAFFS_OK or YAFFS_FAIL. */ static int nandmtd1_TestPrerequists(struct mtd_info * mtd) diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif2.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif2.c index d927c76737..cdad0734bf 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif2.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif2.c @@ -158,7 +158,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, if (tags) yaffs_UnpackTags2(tags, &pt); - + if(tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR) tags->eccResult = YAFFS_ECC_RESULT_UNFIXED; diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif2.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif2.h index e70d751c21..b67ba52aa4 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif2.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_mtdif2.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.c index c33483c359..4e250338d7 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.c @@ -10,7 +10,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - + const char *yaffs_nand_c_version = "$Id: yaffs_nand.c,v 1.7 2007-02-14 01:09:06 wookey Exp $"; @@ -25,9 +25,9 @@ int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, { int result; yaffs_ExtendedTags localTags; - + int realignedChunkInNAND = chunkInNAND - dev->chunkOffset; - + /* If there are no tags provided, use local tags to get prioritised gc working */ if(!tags) tags = &localTags; @@ -39,14 +39,14 @@ int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer, - tags); - if(tags && + tags); + if(tags && tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){ - + yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock); yaffs_HandleChunkError(dev,bi); } - + return result; } @@ -57,7 +57,7 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev, { chunkInNAND -= dev->chunkOffset; - + if (tags) { tags->sequenceNumber = dev->sequenceNumber; tags->chunkUsed = 1; @@ -131,4 +131,4 @@ int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev) } - + diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.h index 8ed1a2d5c4..5fa334bdc9 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nandemul2k.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nandemul2k.h index 13520e1059..cd2e96f7ae 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nandemul2k.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nandemul2k.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags1.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags1.h index 627b2f8f52..776c5c256c 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags1.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags1.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags2.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags2.c index 6860876c43..e420f95da1 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags2.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags2.c @@ -128,10 +128,10 @@ void yaffs_UnpackTags2(yaffs_ExtendedTags * t, yaffs_PackedTags2 * pt) (yaffs_PackedTags2TagsPart), &pt->ecc, &ecc); switch(result){ - case 0: - t->eccResult = YAFFS_ECC_RESULT_NO_ERROR; + case 0: + t->eccResult = YAFFS_ECC_RESULT_NO_ERROR; break; - case 1: + case 1: t->eccResult = YAFFS_ECC_RESULT_FIXED; break; case -1: diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags2.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags2.h index 7c4a72c483..c2242ffe76 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags2.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_packedtags2.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_qsort.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_qsort.c index 0429838de8..474be9cea3 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_qsort.c +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_qsort.c @@ -50,7 +50,7 @@ static __inline void swapfunc(char *a, char *b, int n, int swaptype) { - if (swaptype <= 1) + if (swaptype <= 1) swapcode(long, a, b, n) else swapcode(char, a, b, n) @@ -137,7 +137,7 @@ loop: SWAPINIT(a, es); } if (swap_cnt == 0) { /* Switch to insertion sort */ for (pm = (char *) a + es; pm < (char *) a + n * es; pm += es) - for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0; + for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0; pl -= es) swap(pl, pl - es); return; @@ -150,7 +150,7 @@ loop: SWAPINIT(a, es); vecswap(pb, pn - r, r); if ((r = pb - pa) > es) yaffs_qsort(a, r / es, es, cmp); - if ((r = pd - pc) > es) { + if ((r = pd - pc) > es) { /* Iterate rather than recurse to save stack space */ a = pn - r; n = r / es; diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_qsort.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_qsort.h index 3ec73979de..610b7ec849 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_qsort.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_qsort.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_tagscompat.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_tagscompat.h index c1edb6a19a..a61e3ba14f 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_tagscompat.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_tagscompat.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_tagsvalidity.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_tagsvalidity.h index ba56727fff..2fd0c24ed2 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_tagsvalidity.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_tagsvalidity.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffsinterface.h b/target/linux/generic-2.6/files/fs/yaffs2/yaffsinterface.h index 0cfdfcf6ba..810837a32d 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffsinterface.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffsinterface.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yportenv.h b/target/linux/generic-2.6/files/fs/yaffs2/yportenv.h index 8b80c6d688..15ac28121c 100644 --- a/target/linux/generic-2.6/files/fs/yaffs2/yportenv.h +++ b/target/linux/generic-2.6/files/fs/yaffs2/yportenv.h @@ -1,5 +1,5 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering @@ -150,7 +150,7 @@ extern unsigned int yaffs_wr_attempts; * Tracing flags. * The flags masked in YAFFS_TRACE_ALWAYS are always traced. */ - + #define YAFFS_TRACE_OS 0x00000002 #define YAFFS_TRACE_ALLOCATE 0x00000004 #define YAFFS_TRACE_SCAN 0x00000008 |