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author | Gabor Juhos <juhosg@openwrt.org> | 2012-10-30 14:58:17 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2012-10-30 14:58:17 +0000 |
commit | e3f12313fe8c3d3a422c7a3352b73b9d52df866d (patch) | |
tree | 825ff262860bdf4939b271f13d9b72542af61501 /target/linux/generic/files/fs/yaffs2/yaffs_nand.c | |
parent | 029a10f4cb5ae60cd0a649d750182ec8b7bbb84f (diff) | |
download | master-187ad058-e3f12313fe8c3d3a422c7a3352b73b9d52df866d.tar.gz master-187ad058-e3f12313fe8c3d3a422c7a3352b73b9d52df866d.tar.bz2 master-187ad058-e3f12313fe8c3d3a422c7a3352b73b9d52df866d.zip |
generic: fold yaffs_git_2010_10_20 patch to generic/files
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34013 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/files/fs/yaffs2/yaffs_nand.c')
-rw-r--r-- | target/linux/generic/files/fs/yaffs2/yaffs_nand.c | 103 |
1 files changed, 54 insertions, 49 deletions
diff --git a/target/linux/generic/files/fs/yaffs2/yaffs_nand.c b/target/linux/generic/files/fs/yaffs2/yaffs_nand.c index bd815cb7af..d1fe84af8c 100644 --- a/target/linux/generic/files/fs/yaffs2/yaffs_nand.c +++ b/target/linux/generic/files/fs/yaffs2/yaffs_nand.c @@ -1,7 +1,7 @@ /* * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. * - * Copyright (C) 2002-2007 Aleph One Ltd. + * Copyright (C) 2002-2010 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning <charles@aleph1.co.uk> @@ -11,124 +11,129 @@ * published by the Free Software Foundation. */ -const char *yaffs_nand_c_version = - "$Id: yaffs_nand.c,v 1.10 2009-03-06 17:20:54 wookey 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, +int yaffs_rd_chunk_tags_nand(yaffs_dev_t *dev, int nand_chunk, __u8 *buffer, - yaffs_ExtendedTags *tags) + yaffs_ext_tags *tags) { int result; - yaffs_ExtendedTags localTags; + yaffs_ext_tags localTags; + + int realignedChunkInNAND = nand_chunk - dev->chunk_offset; - int realignedChunkInNAND = chunkInNAND - dev->chunkOffset; + dev->n_page_reads++; /* 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, + if (dev->param.read_chunk_tags_fn) + result = dev->param.read_chunk_tags_fn(dev, realignedChunkInNAND, buffer, tags); else - result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev, + result = yaffs_tags_compat_rd(dev, realignedChunkInNAND, buffer, tags); if (tags && - tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) { + tags->ecc_result > YAFFS_ECC_RESULT_NO_ERROR) { - yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock); - yaffs_HandleChunkError(dev, bi); + yaffs_block_info_t *bi; + bi = yaffs_get_block_info(dev, nand_chunk/dev->param.chunks_per_block); + yaffs_handle_chunk_error(dev, bi); } return result; } -int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev, - int chunkInNAND, +int yaffs_wr_chunk_tags_nand(yaffs_dev_t *dev, + int nand_chunk, const __u8 *buffer, - yaffs_ExtendedTags *tags) + yaffs_ext_tags *tags) { - chunkInNAND -= dev->chunkOffset; + + dev->n_page_writes++; + + nand_chunk -= dev->chunk_offset; if (tags) { - tags->sequenceNumber = dev->sequenceNumber; - tags->chunkUsed = 1; - if (!yaffs_ValidateTags(tags)) { + tags->seq_number = dev->seq_number; + tags->chunk_used = 1; + if (!yaffs_validate_tags(tags)) { T(YAFFS_TRACE_ERROR, (TSTR("Writing uninitialised tags" TENDSTR))); YBUG(); } T(YAFFS_TRACE_WRITE, - (TSTR("Writing chunk %d tags %d %d" TENDSTR), chunkInNAND, - tags->objectId, tags->chunkId)); + (TSTR("Writing chunk %d tags %d %d" TENDSTR), nand_chunk, + tags->obj_id, tags->chunk_id)); } else { T(YAFFS_TRACE_ERROR, (TSTR("Writing with no tags" TENDSTR))); YBUG(); } - if (dev->writeChunkWithTagsToNAND) - return dev->writeChunkWithTagsToNAND(dev, chunkInNAND, buffer, + if (dev->param.write_chunk_tags_fn) + return dev->param.write_chunk_tags_fn(dev, nand_chunk, buffer, tags); else - return yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(dev, - chunkInNAND, + return yaffs_tags_compat_wr(dev, + nand_chunk, buffer, tags); } -int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo) +int yaffs_mark_bad(yaffs_dev_t *dev, int block_no) { - blockNo -= dev->blockOffset; + block_no -= dev->block_offset; + -; - if (dev->markNANDBlockBad) - return dev->markNANDBlockBad(dev, blockNo); + if (dev->param.bad_block_fn) + return dev->param.bad_block_fn(dev, block_no); else - return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo); + return yaffs_tags_compat_mark_bad(dev, block_no); } -int yaffs_QueryInitialBlockState(yaffs_Device *dev, - int blockNo, - yaffs_BlockState *state, - __u32 *sequenceNumber) +int yaffs_query_init_block_state(yaffs_dev_t *dev, + int block_no, + yaffs_block_state_t *state, + __u32 *seq_number) { - blockNo -= dev->blockOffset; + block_no -= dev->block_offset; - if (dev->queryNANDBlock) - return dev->queryNANDBlock(dev, blockNo, state, sequenceNumber); + if (dev->param.query_block_fn) + return dev->param.query_block_fn(dev, block_no, state, seq_number); else - return yaffs_TagsCompatabilityQueryNANDBlock(dev, blockNo, + return yaffs_tags_compat_query_block(dev, block_no, state, - sequenceNumber); + seq_number); } -int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, - int blockInNAND) +int yaffs_erase_block(struct yaffs_dev_s *dev, + int flash_block) { int result; - blockInNAND -= dev->blockOffset; + flash_block -= dev->block_offset; + dev->n_erasures++; - dev->nBlockErasures++; - result = dev->eraseBlockInNAND(dev, blockInNAND); + result = dev->param.erase_fn(dev, flash_block); return result; } -int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev) +int yaffs_init_nand(struct yaffs_dev_s *dev) { - return dev->initialiseNAND(dev); + if(dev->param.initialise_flash_fn) + return dev->param.initialise_flash_fn(dev); + return YAFFS_OK; } |