X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_nand.c;h=0a76ca020d23ef2f59c55740b09e52d7ee259fec;hp=14ae3308a79333f419d5ae6e5800237c2b5e77b2;hb=5fdeee70197161d59e3022372d424594c291ce5e;hpb=ffc75c3d0b5d9b3544c9fef3bcd8c0c0ae0bb6ad diff --git a/yaffs_nand.c b/yaffs_nand.c index 14ae330..0a76ca0 100644 --- a/yaffs_nand.c +++ b/yaffs_nand.c @@ -1,7 +1,7 @@ /* - * YAFFS: Yet another FFS. A NAND-flash specific file system. + * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. * - * Copyright (C) 2002 Aleph One Ltd. + * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning @@ -9,28 +9,30 @@ * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. - * */ - + const char *yaffs_nand_c_version = - "$Id: yaffs_nand.c,v 1.5 2006-11-08 09:52:12 charles Exp $"; + "$Id: yaffs_nand.c,v 1.11 2009-09-09 03:03:01 charles Exp $"; #include "yaffs_nand.h" #include "yaffs_tagscompat.h" #include "yaffs_tagsvalidity.h" +#include "yaffs_getblockinfo.h" -int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, - __u8 * buffer, - yaffs_ExtendedTags * tags) +int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, + __u8 *buffer, + yaffs_ExtendedTags *tags) { int result; yaffs_ExtendedTags localTags; - + int realignedChunkInNAND = chunkInNAND - dev->chunkOffset; - + + dev->nPageReads++; + /* If there are no tags provided, use local tags to get prioritised gc working */ - if(!tags) + if (!tags) tags = &localTags; if (dev->readChunkWithTagsFromNAND) @@ -40,25 +42,28 @@ int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer, - tags); - if(tags && - tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){ - + tags); + if (tags && + tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) { + yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock); - yaffs_HandleChunkError(dev,bi); + yaffs_HandleChunkError(dev, bi); } - + return result; } -int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev, +int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, - const __u8 * buffer, - yaffs_ExtendedTags * tags) + const __u8 *buffer, + yaffs_ExtendedTags *tags) { + + dev->nPageWrites++; + chunkInNAND -= dev->chunkOffset; - + if (tags) { tags->sequenceNumber = dev->sequenceNumber; tags->chunkUsed = 1; @@ -85,21 +90,21 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev, tags); } -int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo) +int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo) { blockNo -= dev->blockOffset; -; + if (dev->markNANDBlockBad) return dev->markNANDBlockBad(dev, blockNo); else return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo); } -int yaffs_QueryInitialBlockState(yaffs_Device * dev, +int yaffs_QueryInitialBlockState(yaffs_Device *dev, int blockNo, - yaffs_BlockState * state, - unsigned *sequenceNumber) + yaffs_BlockState *state, + __u32 *sequenceNumber) { blockNo -= dev->blockOffset; @@ -119,8 +124,8 @@ int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, blockInNAND -= dev->blockOffset; - dev->nBlockErasures++; + result = dev->eraseBlockInNAND(dev, blockInNAND); return result; @@ -132,4 +137,4 @@ int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev) } - +