X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_nand.c;h=38989851ed7f24f4267f74a7fccd6af8a1e8327d;hp=989e8d91c43979220d1128949ed9f94e60e12393;hb=e6104fde6ee694e807c19a3bb7ba52b50cfb55af;hpb=a8e9cfa2968a5f16ff9ae578cc1d3202ebef8725 diff --git a/yaffs_nand.c b/yaffs_nand.c index 989e8d9..3898985 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 @@ -9,11 +9,10 @@ * 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 1.2 2006-09-21 08:13:59 charles Exp $"; + "$Id: yaffs_nand.c,v 1.8 2007-12-13 15:35:18 wookey Exp $"; #include "yaffs_nand.h" #include "yaffs_tagscompat.h" @@ -25,9 +24,14 @@ int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, yaffs_ExtendedTags * tags) { 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; + if (dev->readChunkWithTagsFromNAND) result = dev->readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer, tags); @@ -35,14 +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); - bi->gcPrioritise = 1; + yaffs_HandleChunkError(dev,bi); } - + return result; } @@ -53,7 +57,7 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev, { chunkInNAND -= dev->chunkOffset; - + if (tags) { tags->sequenceNumber = dev->sequenceNumber; tags->chunkUsed = 1; @@ -118,9 +122,6 @@ int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, dev->nBlockErasures++; result = dev->eraseBlockInNAND(dev, blockInNAND); - /* If at first we don't succeed, try again *once*.*/ - if (!result) - result = dev->eraseBlockInNAND(dev, blockInNAND); return result; } @@ -130,4 +131,4 @@ int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev) } - +