X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.c;h=4200ad598cdc6281f4b7dfaad24f9a8de7384268;hp=75eeb84cf3d5d23459d9897fa2b1fbc9e5b9c88c;hb=ef24b90a2e00a9a3db2bab70261807037ccc0bd7;hpb=aa8454786457b8b3144e8859da15ac3719cc0602 diff --git a/yaffs_guts.c b/yaffs_guts.c index 75eeb84..4200ad5 100644 --- a/yaffs_guts.c +++ b/yaffs_guts.c @@ -10,6 +10,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ + #include "yportenv.h" #include "yaffs_trace.h" @@ -42,89 +43,86 @@ /* Robustification (if it ever comes about...) */ -static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND); -static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND, +static void yaffs_retire_block(yaffs_dev_t *dev, int flash_block); +static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk, int erasedOk); -static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND, +static void yaffs_handle_chunk_wr_ok(yaffs_dev_t *dev, int nand_chunk, const __u8 *data, - const yaffs_ExtendedTags *tags); -static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, - const yaffs_ExtendedTags *tags); + const yaffs_ext_tags *tags); +static void yaffs_handle_chunk_update(yaffs_dev_t *dev, int nand_chunk, + const yaffs_ext_tags *tags); /* Other local prototypes */ -static void yaffs_UpdateParent(yaffs_Object *obj); -static int yaffs_UnlinkObject(yaffs_Object *obj); -static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj); +static void yaffs_update_parent(yaffs_obj_t *obj); +static int yaffs_unlink_obj(yaffs_obj_t *obj); +static int yaffs_obj_cache_dirty(yaffs_obj_t *obj); -static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device *dev, +static int yaffs_write_new_chunk(yaffs_dev_t *dev, const __u8 *buffer, - yaffs_ExtendedTags *tags, + yaffs_ext_tags *tags, int useReserve); -static yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number, - yaffs_ObjectType type); - - -static int yaffs_ApplyXMod(yaffs_Device *dev, char *buffer, yaffs_XAttrMod *xmod); +static yaffs_obj_t *yaffs_new_obj(yaffs_dev_t *dev, int number, + yaffs_obj_type type); -static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj); -static int yaffs_CheckStructures(void); -static int yaffs_DoGenericObjectDeletion(yaffs_Object *in); -static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device *dev, int blockNo); +static int yaffs_apply_xattrib_mod(yaffs_obj_t *obj, char *buffer, yaffs_xattr_mod *xmod); +static void yaffs_remove_obj_from_dir(yaffs_obj_t *obj); +static int yaffs_check_structures(void); +static int yaffs_generic_obj_del(yaffs_obj_t *in); -static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, - int chunkInNAND); +static int yaffs_check_chunk_erased(struct yaffs_dev_s *dev, + int nand_chunk); -static int yaffs_UnlinkWorker(yaffs_Object *obj); +static int yaffs_unlink_worker(yaffs_obj_t *obj); -static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId, +static int yaffs_tags_match(const yaffs_ext_tags *tags, int obj_id, int chunkInObject); -static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, - yaffs_BlockInfo **blockUsedPtr); +static int yaffs_alloc_chunk(yaffs_dev_t *dev, int useReserve, + yaffs_block_info_t **blockUsedPtr); -static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in); +static void yaffs_check_obj_details_loaded(yaffs_obj_t *in); -static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in); -static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId); +static void yaffs_invalidate_whole_cache(yaffs_obj_t *in); +static void yaffs_invalidate_chunk_cache(yaffs_obj_t *object, int chunk_id); -static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode, - yaffs_ExtendedTags *tags); +static int yaffs_find_chunk_in_file(yaffs_obj_t *in, int inode_chunk, + yaffs_ext_tags *tags); -static int yaffs_VerifyChunkWritten(yaffs_Device *dev, - int chunkInNAND, +static int yaffs_verify_chunk_written(yaffs_dev_t *dev, + int nand_chunk, const __u8 *data, - yaffs_ExtendedTags *tags); + yaffs_ext_tags *tags); -static void yaffs_LoadNameFromObjectHeader(yaffs_Device *dev,YCHAR *name, const YCHAR *ohName, int bufferSize); -static void yaffs_LoadObjectHeaderFromName(yaffs_Device *dev,YCHAR *ohName, const YCHAR *name); +static void yaffs_load_name_from_oh(yaffs_dev_t *dev,YCHAR *name, const YCHAR *ohName, int bufferSize); +static void yaffs_load_oh_from_name(yaffs_dev_t *dev,YCHAR *ohName, const YCHAR *name); /* Function to calculate chunk and offset */ -static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, int *chunkOut, +static void yaffs_addr_to_chunk(yaffs_dev_t *dev, loff_t addr, int *chunkOut, __u32 *offsetOut) { int chunk; __u32 offset; - chunk = (__u32)(addr >> dev->chunkShift); + chunk = (__u32)(addr >> dev->chunk_shift); - if (dev->chunkDiv == 1) { + if (dev->chunk_div == 1) { /* easy power of 2 case */ - offset = (__u32)(addr & dev->chunkMask); + offset = (__u32)(addr & dev->chunk_mask); } else { /* Non power-of-2 case */ loff_t chunkBase; - chunk /= dev->chunkDiv; + chunk /= dev->chunk_div; - chunkBase = ((loff_t)chunk) * dev->nDataBytesPerChunk; + chunkBase = ((loff_t)chunk) * dev->data_bytes_per_chunk; offset = (__u32)(addr - chunkBase); } @@ -184,49 +182,49 @@ static __u32 Shifts(__u32 x) * Temporary buffer manipulations. */ -static int yaffs_InitialiseTempBuffers(yaffs_Device *dev) +static int yaffs_init_tmp_buffers(yaffs_dev_t *dev) { int i; __u8 *buf = (__u8 *)1; - memset(dev->tempBuffer, 0, sizeof(dev->tempBuffer)); + memset(dev->temp_buffer, 0, sizeof(dev->temp_buffer)); 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->param.totalBytesPerChunk); + dev->temp_buffer[i].line = 0; /* not in use */ + dev->temp_buffer[i].buffer = buf = + YMALLOC_DMA(dev->param.total_bytes_per_chunk); } return buf ? YAFFS_OK : YAFFS_FAIL; } -__u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo) +__u8 *yaffs_get_temp_buffer(yaffs_dev_t *dev, int line_no) { int i, j; - dev->tempInUse++; - if (dev->tempInUse > dev->maxTemp) - dev->maxTemp = dev->tempInUse; + dev->temp_in_use++; + if (dev->temp_in_use > dev->max_temp) + dev->max_temp = dev->temp_in_use; for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { - if (dev->tempBuffer[i].line == 0) { - dev->tempBuffer[i].line = lineNo; - if ((i + 1) > dev->maxTemp) { - dev->maxTemp = i + 1; + if (dev->temp_buffer[i].line == 0) { + dev->temp_buffer[i].line = line_no; + if ((i + 1) > dev->max_temp) { + dev->max_temp = i + 1; for (j = 0; j <= i; j++) - dev->tempBuffer[j].maxLine = - dev->tempBuffer[j].line; + dev->temp_buffer[j].max_line = + dev->temp_buffer[j].line; } - return dev->tempBuffer[i].buffer; + return dev->temp_buffer[i].buffer; } } T(YAFFS_TRACE_BUFFERS, (TSTR("Out of temp buffers at line %d, other held by lines:"), - lineNo)); + line_no)); for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) - T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->tempBuffer[i].line)); + T(YAFFS_TRACE_BUFFERS, (TSTR(" %d "), dev->temp_buffer[i].line)); T(YAFFS_TRACE_BUFFERS, (TSTR(" " TENDSTR))); @@ -235,21 +233,21 @@ __u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo) * This is not good. */ - dev->unmanagedTempAllocations++; - return YMALLOC(dev->nDataBytesPerChunk); + dev->unmanaged_buffer_allocs++; + return YMALLOC(dev->data_bytes_per_chunk); } -void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, - int lineNo) +void yaffs_release_temp_buffer(yaffs_dev_t *dev, __u8 *buffer, + int line_no) { int i; - dev->tempInUse--; + dev->temp_in_use--; for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { - if (dev->tempBuffer[i].buffer == buffer) { - dev->tempBuffer[i].line = 0; + if (dev->temp_buffer[i].buffer == buffer) { + dev->temp_buffer[i].line = 0; return; } } @@ -258,9 +256,9 @@ void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, /* assume it is an unmanaged one. */ T(YAFFS_TRACE_BUFFERS, (TSTR("Releasing unmanaged temp buffer in line %d" TENDSTR), - lineNo)); + line_no)); YFREE(buffer); - dev->unmanagedTempDeallocations++; + dev->unmanaged_buffer_deallocs++; } } @@ -268,21 +266,21 @@ void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, /* * Determine if we have a managed buffer. */ -int yaffs_IsManagedTempBuffer(yaffs_Device *dev, const __u8 *buffer) +int yaffs_is_managed_tmp_buffer(yaffs_dev_t *dev, const __u8 *buffer) { int i; for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { - if (dev->tempBuffer[i].buffer == buffer) + if (dev->temp_buffer[i].buffer == buffer) return 1; } - for (i = 0; i < dev->param.nShortOpCaches; i++) { - if (dev->srCache[i].data == buffer) + for (i = 0; i < dev->param.n_caches; i++) { + if (dev->cache[i].data == buffer) return 1; } - if (buffer == dev->checkpointBuffer) + if (buffer == dev->checkpt_buffer) return 1; T(YAFFS_TRACE_ALWAYS, @@ -301,7 +299,7 @@ int yaffs_IsManagedTempBuffer(yaffs_Device *dev, const __u8 *buffer) * Simple hash function. Needs to have a reasonable spread */ -static Y_INLINE int yaffs_HashFunction(int n) +static Y_INLINE int yaffs_hash_fn(int n) { n = abs(n); return n % YAFFS_NOBJECT_BUCKETS; @@ -312,14 +310,14 @@ static Y_INLINE int yaffs_HashFunction(int n) * Note that root might have a presence in NAND if permissions are set. */ -yaffs_Object *yaffs_Root(yaffs_Device *dev) +yaffs_obj_t *yaffs_root(yaffs_dev_t *dev) { - return dev->rootDir; + return dev->root_dir; } -yaffs_Object *yaffs_LostNFound(yaffs_Device *dev) +yaffs_obj_t *yaffs_lost_n_found(yaffs_dev_t *dev) { - return dev->lostNFoundDir; + return dev->lost_n_found; } @@ -327,10 +325,10 @@ yaffs_Object *yaffs_LostNFound(yaffs_Device *dev) * Erased NAND checking functions */ -int yaffs_CheckFF(__u8 *buffer, int nBytes) +int yaffs_check_ff(__u8 *buffer, int n_bytes) { /* Horrible, slow implementation */ - while (nBytes--) { + while (n_bytes--) { if (*buffer != 0xFF) return 0; buffer++; @@ -338,70 +336,70 @@ int yaffs_CheckFF(__u8 *buffer, int nBytes) return 1; } -static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, - int chunkInNAND) +static int yaffs_check_chunk_erased(struct yaffs_dev_s *dev, + int nand_chunk) { int retval = YAFFS_OK; - __u8 *data = yaffs_GetTempBuffer(dev, __LINE__); - yaffs_ExtendedTags tags; + __u8 *data = yaffs_get_temp_buffer(dev, __LINE__); + yaffs_ext_tags tags; int result; - result = yaffs_ReadChunkWithTagsFromNAND(dev, chunkInNAND, data, &tags); + result = yaffs_rd_chunk_tags_nand(dev, nand_chunk, data, &tags); - if (tags.eccResult > YAFFS_ECC_RESULT_NO_ERROR) + if (tags.ecc_result > YAFFS_ECC_RESULT_NO_ERROR) retval = YAFFS_FAIL; - if (!yaffs_CheckFF(data, dev->nDataBytesPerChunk) || tags.chunkUsed) { + if (!yaffs_check_ff(data, dev->data_bytes_per_chunk) || tags.chunk_used) { T(YAFFS_TRACE_NANDACCESS, - (TSTR("Chunk %d not erased" TENDSTR), chunkInNAND)); + (TSTR("Chunk %d not erased" TENDSTR), nand_chunk)); retval = YAFFS_FAIL; } - yaffs_ReleaseTempBuffer(dev, data, __LINE__); + yaffs_release_temp_buffer(dev, data, __LINE__); return retval; } -static int yaffs_VerifyChunkWritten(yaffs_Device *dev, - int chunkInNAND, +static int yaffs_verify_chunk_written(yaffs_dev_t *dev, + int nand_chunk, const __u8 *data, - yaffs_ExtendedTags *tags) + yaffs_ext_tags *tags) { int retval = YAFFS_OK; - yaffs_ExtendedTags tempTags; - __u8 *buffer = yaffs_GetTempBuffer(dev,__LINE__); + yaffs_ext_tags tempTags; + __u8 *buffer = yaffs_get_temp_buffer(dev,__LINE__); int result; - result = yaffs_ReadChunkWithTagsFromNAND(dev,chunkInNAND,buffer,&tempTags); - if(memcmp(buffer,data,dev->nDataBytesPerChunk) || - tempTags.objectId != tags->objectId || - tempTags.chunkId != tags->chunkId || - tempTags.byteCount != tags->byteCount) + result = yaffs_rd_chunk_tags_nand(dev,nand_chunk,buffer,&tempTags); + if(memcmp(buffer,data,dev->data_bytes_per_chunk) || + tempTags.obj_id != tags->obj_id || + tempTags.chunk_id != tags->chunk_id || + tempTags.n_bytes != tags->n_bytes) retval = YAFFS_FAIL; - yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); + yaffs_release_temp_buffer(dev, buffer, __LINE__); return retval; } -static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, +static int yaffs_write_new_chunk(struct yaffs_dev_s *dev, const __u8 *data, - yaffs_ExtendedTags *tags, + yaffs_ext_tags *tags, int useReserve) { int attempts = 0; int writeOk = 0; int chunk; - yaffs2_InvalidateCheckpoint(dev); + yaffs2_checkpt_invalidate(dev); do { - yaffs_BlockInfo *bi = 0; + yaffs_block_info_t *bi = 0; int erasedOk = 0; - chunk = yaffs_AllocateChunk(dev, useReserve, &bi); + chunk = yaffs_alloc_chunk(dev, useReserve, &bi); if (chunk < 0) { /* no space */ break; @@ -434,11 +432,11 @@ static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, /* let's give it a try */ attempts++; -#ifdef CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED - bi->skipErasedCheck = 0; -#endif - if (!bi->skipErasedCheck) { - erasedOk = yaffs_CheckChunkErased(dev, chunk); + if(dev->param.always_check_erased) + bi->skip_erased_check = 0; + + if (!bi->skip_erased_check) { + erasedOk = yaffs_check_chunk_erased(dev, chunk); if (erasedOk != YAFFS_OK) { T(YAFFS_TRACE_ERROR, (TSTR("**>> yaffs chunk %d was not erased" @@ -447,29 +445,29 @@ static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, /* If not erased, delete this one, * skip rest of block and * try another chunk */ - yaffs_DeleteChunk(dev,chunk,1,__LINE__); - yaffs_SkipRestOfBlock(dev); + yaffs_chunk_del(dev,chunk,1,__LINE__); + yaffs_skip_rest_of_block(dev); continue; } } - writeOk = yaffs_WriteChunkWithTagsToNAND(dev, chunk, + writeOk = yaffs_wr_chunk_tags_nand(dev, chunk, data, tags); - if(!bi->skipErasedCheck) - writeOk = yaffs_VerifyChunkWritten(dev, chunk, data, tags); + if(!bi->skip_erased_check) + writeOk = yaffs_verify_chunk_written(dev, chunk, data, tags); if (writeOk != YAFFS_OK) { /* Clean up aborted write, skip to next block and * try another chunk */ - yaffs_HandleWriteChunkError(dev, chunk, erasedOk); + yaffs_handle_chunk_wr_error(dev, chunk, erasedOk); continue; } - bi->skipErasedCheck = 1; + bi->skip_erased_check = 1; /* Copy the data into the robustification buffer */ - yaffs_HandleWriteChunkOk(dev, chunk, data, tags); + yaffs_handle_chunk_wr_ok(dev, chunk, data, tags); } while (writeOk != YAFFS_OK && (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts)); @@ -482,7 +480,7 @@ static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, (TSTR("**>> yaffs write required %d attempts" TENDSTR), attempts)); - dev->nRetriedWrites += (attempts - 1); + dev->n_retired_writes += (attempts - 1); } return chunk; @@ -494,43 +492,43 @@ static int yaffs_WriteNewChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev, * Block retiring for handling a broken block. */ -static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND) +static void yaffs_retire_block(yaffs_dev_t *dev, int flash_block) { - yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); + yaffs_block_info_t *bi = yaffs_get_block_info(dev, flash_block); - yaffs2_InvalidateCheckpoint(dev); + yaffs2_checkpt_invalidate(dev); - yaffs2_ClearOldestDirtySequence(dev,bi); + yaffs2_clear_oldest_dirty_seq(dev,bi); - if (yaffs_MarkBlockBad(dev, blockInNAND) != YAFFS_OK) { - if (yaffs_EraseBlockInNAND(dev, blockInNAND) != YAFFS_OK) { + if (yaffs_mark_bad(dev, flash_block) != YAFFS_OK) { + if (yaffs_erase_block(dev, flash_block) != YAFFS_OK) { T(YAFFS_TRACE_ALWAYS, (TSTR( "yaffs: Failed to mark bad and erase block %d" - TENDSTR), blockInNAND)); + TENDSTR), flash_block)); } else { - yaffs_ExtendedTags tags; - int chunkId = blockInNAND * dev->param.nChunksPerBlock; + yaffs_ext_tags tags; + int chunk_id = flash_block * dev->param.chunks_per_block; - __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); + __u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__); - memset(buffer, 0xff, dev->nDataBytesPerChunk); - yaffs_InitialiseTags(&tags); - tags.sequenceNumber = YAFFS_SEQUENCE_BAD_BLOCK; - if (dev->param.writeChunkWithTagsToNAND(dev, chunkId - - dev->chunkOffset, buffer, &tags) != YAFFS_OK) + memset(buffer, 0xff, dev->data_bytes_per_chunk); + yaffs_init_tags(&tags); + tags.seq_number = YAFFS_SEQUENCE_BAD_BLOCK; + if (dev->param.write_chunk_tags_fn(dev, chunk_id - + dev->chunk_offset, buffer, &tags) != YAFFS_OK) T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Failed to " TCONT("write bad block marker to block %d") - TENDSTR), blockInNAND)); + TENDSTR), flash_block)); - yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); + yaffs_release_temp_buffer(dev, buffer, __LINE__); } } - bi->blockState = YAFFS_BLOCK_STATE_DEAD; - bi->gcPrioritise = 0; - bi->needsRetiring = 0; + bi->block_state = YAFFS_BLOCK_STATE_DEAD; + bi->gc_prioritise = 0; + bi->needs_retiring = 0; - dev->nRetiredBlocks++; + dev->n_retired_blocks++; } /* @@ -538,63 +536,63 @@ static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND) * */ -static void yaffs_HandleWriteChunkOk(yaffs_Device *dev, int chunkInNAND, +static void yaffs_handle_chunk_wr_ok(yaffs_dev_t *dev, int nand_chunk, const __u8 *data, - const yaffs_ExtendedTags *tags) + const yaffs_ext_tags *tags) { dev=dev; - chunkInNAND=chunkInNAND; + nand_chunk=nand_chunk; data=data; tags=tags; } -static void yaffs_HandleUpdateChunk(yaffs_Device *dev, int chunkInNAND, - const yaffs_ExtendedTags *tags) +static void yaffs_handle_chunk_update(yaffs_dev_t *dev, int nand_chunk, + const yaffs_ext_tags *tags) { dev=dev; - chunkInNAND=chunkInNAND; + nand_chunk=nand_chunk; tags=tags; } -void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi) +void yaffs_handle_chunk_error(yaffs_dev_t *dev, yaffs_block_info_t *bi) { - if (!bi->gcPrioritise) { - bi->gcPrioritise = 1; - dev->hasPendingPrioritisedGCs = 1; - bi->chunkErrorStrikes++; + if (!bi->gc_prioritise) { + bi->gc_prioritise = 1; + dev->has_pending_prioritised_gc = 1; + bi->chunk_error_strikes++; - if (bi->chunkErrorStrikes > 3) { - bi->needsRetiring = 1; /* Too many stikes, so retire this */ + if (bi->chunk_error_strikes > 3) { + bi->needs_retiring = 1; /* Too many stikes, so retire this */ T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: Block struck out" TENDSTR))); } } } -static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND, +static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk, int erasedOk) { - int blockInNAND = chunkInNAND / dev->param.nChunksPerBlock; - yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockInNAND); + int flash_block = nand_chunk / dev->param.chunks_per_block; + yaffs_block_info_t *bi = yaffs_get_block_info(dev, flash_block); - yaffs_HandleChunkError(dev, bi); + yaffs_handle_chunk_error(dev, bi); if (erasedOk) { /* Was an actual write failure, so mark the block for retirement */ - bi->needsRetiring = 1; + bi->needs_retiring = 1; T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, - (TSTR("**>> Block %d needs retiring" TENDSTR), blockInNAND)); + (TSTR("**>> Block %d needs retiring" TENDSTR), flash_block)); } /* Delete the chunk */ - yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__); - yaffs_SkipRestOfBlock(dev); + yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); + yaffs_skip_rest_of_block(dev); } /*---------------- Name handling functions ------------*/ -static __u16 yaffs_CalcNameSum(const YCHAR *name) +static __u16 yaffs_calc_name_sum(const YCHAR *name) { __u16 sum = 0; __u16 i = 1; @@ -615,27 +613,27 @@ static __u16 yaffs_CalcNameSum(const YCHAR *name) return sum; } -void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name) +void yaffs_set_obj_name(yaffs_obj_t *obj, const YCHAR *name) { #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM - memset(obj->shortName, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1)); + memset(obj->short_name, 0, sizeof(YCHAR) * (YAFFS_SHORT_NAME_LENGTH+1)); if (name && yaffs_strnlen(name,YAFFS_SHORT_NAME_LENGTH+1) <= YAFFS_SHORT_NAME_LENGTH) - yaffs_strcpy(obj->shortName, name); + yaffs_strcpy(obj->short_name, name); else - obj->shortName[0] = _Y('\0'); + obj->short_name[0] = _Y('\0'); #endif - obj->sum = yaffs_CalcNameSum(name); + obj->sum = yaffs_calc_name_sum(name); } -void yaffs_SetObjectNameFromOH(yaffs_Object *obj, const yaffs_ObjectHeader *oh) +void yaffs_set_obj_name_from_oh(yaffs_obj_t *obj, const yaffs_obj_header *oh) { #ifdef CONFIG_YAFFS_AUTO_UNICODE YCHAR tmpName[YAFFS_MAX_NAME_LENGTH+1]; memset(tmpName,0,sizeof(tmpName)); - yaffs_LoadNameFromObjectHeader(obj->myDev,tmpName,oh->name,YAFFS_MAX_NAME_LENGTH+1); - yaffs_SetObjectName(obj,tmpName); + yaffs_load_name_from_oh(obj->my_dev,tmpName,oh->name,YAFFS_MAX_NAME_LENGTH+1); + yaffs_set_obj_name(obj,tmpName); #else - yaffs_SetObjectName(obj,oh->name); + yaffs_set_obj_name(obj,oh->name); #endif } @@ -647,36 +645,36 @@ void yaffs_SetObjectNameFromOH(yaffs_Object *obj, const yaffs_ObjectHeader *oh) */ -yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev) +yaffs_tnode_t *yaffs_get_tnode(yaffs_dev_t *dev) { - yaffs_Tnode *tn = yaffs_AllocateRawTnode(dev); + yaffs_tnode_t *tn = yaffs_alloc_raw_tnode(dev); if (tn){ - memset(tn, 0, dev->tnodeSize); - dev->nTnodes++; + memset(tn, 0, dev->tnode_size); + dev->n_tnodes++; } - dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ + dev->checkpoint_blocks_required = 0; /* force recalculation*/ return tn; } /* FreeTnode frees up a tnode and puts it back on the free list */ -static void yaffs_FreeTnode(yaffs_Device *dev, yaffs_Tnode *tn) +static void yaffs_free_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn) { - yaffs_FreeRawTnode(dev,tn); - dev->nTnodes--; - dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ + yaffs_free_raw_tnode(dev,tn); + dev->n_tnodes--; + dev->checkpoint_blocks_required = 0; /* force recalculation*/ } -static void yaffs_DeinitialiseTnodesAndObjects(yaffs_Device *dev) +static void yaffs_deinit_tnodes_and_objs(yaffs_dev_t *dev) { - yaffs_DeinitialiseRawTnodesAndObjects(dev); - dev->nObjects = 0; - dev->nTnodes = 0; + yaffs_deinit_raw_tnodes_and_objs(dev); + dev->n_obj = 0; + dev->n_tnodes = 0; } -void yaffs_LoadLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, +void yaffs_load_tnode_0(yaffs_dev_t *dev, yaffs_tnode_t *tn, unsigned pos, unsigned val) { __u32 *map = (__u32 *)tn; @@ -686,27 +684,27 @@ void yaffs_LoadLevel0Tnode(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos, __u32 mask; pos &= YAFFS_TNODES_LEVEL0_MASK; - val >>= dev->chunkGroupBits; + val >>= dev->chunk_grp_bits; - bitInMap = pos * dev->tnodeWidth; + bitInMap = pos * dev->tnode_width; wordInMap = bitInMap / 32; bitInWord = bitInMap & (32 - 1); - mask = dev->tnodeMask << bitInWord; + mask = dev->tnode_mask << bitInWord; map[wordInMap] &= ~mask; map[wordInMap] |= (mask & (val << bitInWord)); - if (dev->tnodeWidth > (32 - bitInWord)) { + if (dev->tnode_width > (32 - bitInWord)) { bitInWord = (32 - bitInWord); wordInMap++;; - mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord); + mask = dev->tnode_mask >> (/*dev->tnode_width -*/ bitInWord); map[wordInMap] &= ~mask; map[wordInMap] |= (mask & (val >> bitInWord)); } } -__u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, +__u32 yaffs_get_group_base(yaffs_dev_t *dev, yaffs_tnode_t *tn, unsigned pos) { __u32 *map = (__u32 *)tn; @@ -717,20 +715,20 @@ __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, pos &= YAFFS_TNODES_LEVEL0_MASK; - bitInMap = pos * dev->tnodeWidth; + bitInMap = pos * dev->tnode_width; wordInMap = bitInMap / 32; bitInWord = bitInMap & (32 - 1); val = map[wordInMap] >> bitInWord; - if (dev->tnodeWidth > (32 - bitInWord)) { + if (dev->tnode_width > (32 - bitInWord)) { bitInWord = (32 - bitInWord); wordInMap++;; val |= (map[wordInMap] << bitInWord); } - val &= dev->tnodeMask; - val <<= dev->chunkGroupBits; + val &= dev->tnode_mask; + val <<= dev->chunk_grp_bits; return val; } @@ -738,19 +736,19 @@ __u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, /* ------------------- End of individual tnode manipulation -----------------*/ /* ---------Functions to manipulate the look-up tree (made up of tnodes) ------ - * The look up tree is represented by the top tnode and the number of topLevel + * The look up tree is represented by the top tnode and the number of top_level * in the tree. 0 means only the level 0 tnode is in the tree. */ /* FindLevel0Tnode finds the level 0 tnode, if one exists. */ -yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev, - yaffs_FileStructure *fStruct, - __u32 chunkId) +yaffs_tnode_t *yaffs_find_tnode_0(yaffs_dev_t *dev, + yaffs_file_s *file_struct, + __u32 chunk_id) { - yaffs_Tnode *tn = fStruct->top; + yaffs_tnode_t *tn = file_struct->top; __u32 i; int requiredTallness; - int level = fStruct->topLevel; + int level = file_struct->top_level; dev=dev; @@ -758,24 +756,24 @@ yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev, if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) return NULL; - if (chunkId > YAFFS_MAX_CHUNK_ID) + if (chunk_id > YAFFS_MAX_CHUNK_ID) return NULL; - /* First check we're tall enough (ie enough topLevel) */ + /* First check we're tall enough (ie enough top_level) */ - i = chunkId >> YAFFS_TNODES_LEVEL0_BITS; + i = chunk_id >> YAFFS_TNODES_LEVEL0_BITS; requiredTallness = 0; while (i) { i >>= YAFFS_TNODES_INTERNAL_BITS; requiredTallness++; } - if (requiredTallness > fStruct->topLevel) + if (requiredTallness > file_struct->top_level) return NULL; /* Not tall enough, so we can't find it */ /* Traverse down to level 0 */ while (level > 0 && tn) { - tn = tn->internal[(chunkId >> + tn = tn->internal[(chunk_id >> (YAFFS_TNODES_LEVEL0_BITS + (level - 1) * YAFFS_TNODES_INTERNAL_BITS)) & @@ -797,29 +795,29 @@ yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev, * be plugged into the ttree. */ -yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev, - yaffs_FileStructure *fStruct, - __u32 chunkId, - yaffs_Tnode *passedTn) +yaffs_tnode_t *yaffs_add_find_tnode_0(yaffs_dev_t *dev, + yaffs_file_s *file_struct, + __u32 chunk_id, + yaffs_tnode_t *passed_tn) { int requiredTallness; int i; int l; - yaffs_Tnode *tn; + yaffs_tnode_t *tn; __u32 x; /* Check sane level and page Id */ - if (fStruct->topLevel < 0 || fStruct->topLevel > YAFFS_TNODES_MAX_LEVEL) + if (file_struct->top_level < 0 || file_struct->top_level > YAFFS_TNODES_MAX_LEVEL) return NULL; - if (chunkId > YAFFS_MAX_CHUNK_ID) + if (chunk_id > YAFFS_MAX_CHUNK_ID) return NULL; - /* First check we're tall enough (ie enough topLevel) */ + /* First check we're tall enough (ie enough top_level) */ - x = chunkId >> YAFFS_TNODES_LEVEL0_BITS; + x = chunk_id >> YAFFS_TNODES_LEVEL0_BITS; requiredTallness = 0; while (x) { x >>= YAFFS_TNODES_INTERNAL_BITS; @@ -827,16 +825,16 @@ yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev, } - if (requiredTallness > fStruct->topLevel) { + if (requiredTallness > file_struct->top_level) { /* Not tall enough, gotta make the tree taller */ - for (i = fStruct->topLevel; i < requiredTallness; i++) { + for (i = file_struct->top_level; i < requiredTallness; i++) { - tn = yaffs_GetTnode(dev); + tn = yaffs_get_tnode(dev); if (tn) { - tn->internal[0] = fStruct->top; - fStruct->top = tn; - fStruct->topLevel++; + tn->internal[0] = file_struct->top; + file_struct->top = tn; + file_struct->top_level++; } else { T(YAFFS_TRACE_ERROR, (TSTR("yaffs: no more tnodes" TENDSTR))); @@ -847,12 +845,12 @@ yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev, /* Traverse down to level 0, adding anything we need */ - l = fStruct->topLevel; - tn = fStruct->top; + l = file_struct->top_level; + tn = file_struct->top; if (l > 0) { while (l > 0 && tn) { - x = (chunkId >> + x = (chunk_id >> (YAFFS_TNODES_LEVEL0_BITS + (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) & YAFFS_TNODES_INTERNAL_MASK; @@ -860,20 +858,20 @@ yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev, if ((l > 1) && !tn->internal[x]) { /* Add missing non-level-zero tnode */ - tn->internal[x] = yaffs_GetTnode(dev); + tn->internal[x] = yaffs_get_tnode(dev); if(!tn->internal[x]) return NULL; } else if (l == 1) { /* Looking from level 1 at level 0 */ - if (passedTn) { + if (passed_tn) { /* If we already have one, then release it.*/ if (tn->internal[x]) - yaffs_FreeTnode(dev, tn->internal[x]); - tn->internal[x] = passedTn; + yaffs_free_tnode(dev, tn->internal[x]); + tn->internal[x] = passed_tn; } else if (!tn->internal[x]) { /* Don't have one, none passed in */ - tn->internal[x] = yaffs_GetTnode(dev); + tn->internal[x] = yaffs_get_tnode(dev); if(!tn->internal[x]) return NULL; } @@ -884,31 +882,31 @@ yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev, } } else { /* top is level 0 */ - if (passedTn) { - memcpy(tn, passedTn, (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8); - yaffs_FreeTnode(dev, passedTn); + if (passed_tn) { + memcpy(tn, passed_tn, (dev->tnode_width * YAFFS_NTNODES_LEVEL0)/8); + yaffs_free_tnode(dev, passed_tn); } } return tn; } -static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk, - yaffs_ExtendedTags *tags, int objectId, - int chunkInInode) +static int yaffs_find_chunk_in_group(yaffs_dev_t *dev, int theChunk, + yaffs_ext_tags *tags, int obj_id, + int inode_chunk) { int j; - for (j = 0; theChunk && j < dev->chunkGroupSize; j++) { - if (yaffs_CheckChunkBit(dev, theChunk / dev->param.nChunksPerBlock, - theChunk % dev->param.nChunksPerBlock)) { + for (j = 0; theChunk && j < dev->chunk_grp_size; j++) { + if (yaffs_check_chunk_bit(dev, theChunk / dev->param.chunks_per_block, + theChunk % dev->param.chunks_per_block)) { - if(dev->chunkGroupSize == 1) + if(dev->chunk_grp_size == 1) return theChunk; else { - yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, + yaffs_rd_chunk_tags_nand(dev, theChunk, NULL, tags); - if (yaffs_TagsMatch(tags, objectId, chunkInInode)) { + if (yaffs_tags_match(tags, obj_id, inode_chunk)) { /* found it; */ return theChunk; } @@ -927,15 +925,15 @@ static int yaffs_FindChunkInGroup(yaffs_Device *dev, int theChunk, * Returns 0 if it stopped early due to hitting the limit and the delete is incomplete. */ -static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level, - int chunkOffset, int *limit) +static int yaffs_del_worker(yaffs_obj_t *in, yaffs_tnode_t *tn, __u32 level, + int chunk_offset, int *limit) { int i; - int chunkInInode; + int inode_chunk; int theChunk; - yaffs_ExtendedTags tags; + yaffs_ext_tags tags; int foundChunk; - yaffs_Device *dev = in->myDev; + yaffs_dev_t *dev = in->my_dev; int allDone = 1; @@ -948,20 +946,20 @@ static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level, allDone = 0; } else { allDone = - yaffs_DeleteWorker(in, + yaffs_del_worker(in, tn-> internal [i], level - 1, - (chunkOffset + (chunk_offset << YAFFS_TNODES_INTERNAL_BITS) + i, limit); } if (allDone) { - yaffs_FreeTnode(dev, + yaffs_free_tnode(dev, tn-> internal[i]); tn->internal[i] = NULL; @@ -974,24 +972,24 @@ static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level, for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit; i--) { - theChunk = yaffs_GetChunkGroupBase(dev, tn, i); + theChunk = yaffs_get_group_base(dev, tn, i); if (theChunk) { - chunkInInode = (chunkOffset << + inode_chunk = (chunk_offset << YAFFS_TNODES_LEVEL0_BITS) + i; foundChunk = - yaffs_FindChunkInGroup(dev, + yaffs_find_chunk_in_group(dev, theChunk, &tags, - in->objectId, - chunkInInode); + in->obj_id, + inode_chunk); if (foundChunk > 0) { - yaffs_DeleteChunk(dev, + yaffs_chunk_del(dev, foundChunk, 1, __LINE__); - in->nDataChunks--; + in->n_data_chunks--; if (limit) { *limit = *limit - 1; if (*limit <= 0) @@ -1000,7 +998,7 @@ static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level, } - yaffs_LoadLevel0Tnode(dev, tn, i, 0); + yaffs_load_tnode_0(dev, tn, i, 0); } } @@ -1016,19 +1014,19 @@ static int yaffs_DeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, __u32 level, #endif -static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk) +static void yaffs_soft_del_chunk(yaffs_dev_t *dev, int chunk) { - yaffs_BlockInfo *theBlock; - unsigned blockNo; + yaffs_block_info_t *theBlock; + unsigned block_no; T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk)); - blockNo = chunk / dev->param.nChunksPerBlock; - theBlock = yaffs_GetBlockInfo(dev, blockNo); + block_no = chunk / dev->param.chunks_per_block; + theBlock = yaffs_get_block_info(dev, block_no); if (theBlock) { - theBlock->softDeletions++; - dev->nFreeChunks++; - yaffs2_UpdateOldestDirtySequence(dev, blockNo, theBlock); + theBlock->soft_del_pages++; + dev->n_free_chunks++; + yaffs2_update_oldest_dirty_seq(dev, block_no, theBlock); } } @@ -1038,13 +1036,13 @@ static void yaffs_SoftDeleteChunk(yaffs_Device *dev, int chunk) * 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) +static int yaffs_soft_del_worker(yaffs_obj_t *in, yaffs_tnode_t *tn, + __u32 level, int chunk_offset) { int i; int theChunk; int allDone = 1; - yaffs_Device *dev = in->myDev; + yaffs_dev_t *dev = in->my_dev; if (tn) { if (level > 0) { @@ -1053,16 +1051,16 @@ static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, i--) { if (tn->internal[i]) { allDone = - yaffs_SoftDeleteWorker(in, + yaffs_soft_del_worker(in, tn-> internal[i], level - 1, - (chunkOffset + (chunk_offset << YAFFS_TNODES_INTERNAL_BITS) + i); if (allDone) { - yaffs_FreeTnode(dev, + yaffs_free_tnode(dev, tn-> internal[i]); tn->internal[i] = NULL; @@ -1075,14 +1073,14 @@ static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, } else if (level == 0) { for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) { - theChunk = yaffs_GetChunkGroupBase(dev, tn, i); + theChunk = yaffs_get_group_base(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 * a block. */ - yaffs_SoftDeleteChunk(dev, theChunk); - yaffs_LoadLevel0Tnode(dev, tn, i, 0); + yaffs_soft_del_chunk(dev, theChunk); + yaffs_load_tnode_0(dev, tn, i, 0); } } @@ -1096,25 +1094,25 @@ static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, } -static void yaffs_SoftDeleteFile(yaffs_Object *obj) +static void yaffs_soft_del_file(yaffs_obj_t *obj) { if (obj->deleted && - obj->variantType == YAFFS_OBJECT_TYPE_FILE && !obj->softDeleted) { - if (obj->nDataChunks <= 0) { + obj->variant_type == YAFFS_OBJECT_TYPE_FILE && !obj->soft_del) { + if (obj->n_data_chunks <= 0) { /* Empty file with no duplicate object headers, just delete it immediately */ - yaffs_FreeTnode(obj->myDev, - obj->variant.fileVariant.top); - obj->variant.fileVariant.top = NULL; + yaffs_free_tnode(obj->my_dev, + obj->variant.file_variant.top); + obj->variant.file_variant.top = NULL; T(YAFFS_TRACE_TRACING, (TSTR("yaffs: Deleting empty file %d" TENDSTR), - obj->objectId)); - yaffs_DoGenericObjectDeletion(obj); + obj->obj_id)); + yaffs_generic_obj_del(obj); } else { - yaffs_SoftDeleteWorker(obj, - obj->variant.fileVariant.top, - obj->variant.fileVariant. - topLevel, 0); - obj->softDeleted = 1; + yaffs_soft_del_worker(obj, + obj->variant.file_variant.top, + obj->variant.file_variant. + top_level, 0); + obj->soft_del = 1; } } } @@ -1134,7 +1132,7 @@ static void yaffs_SoftDeleteFile(yaffs_Object *obj) * If there is no data in a subtree then it is pruned. */ -static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn, +static yaffs_tnode_t *yaffs_prune_worker(yaffs_dev_t *dev, yaffs_tnode_t *tn, __u32 level, int del0) { int i; @@ -1147,7 +1145,7 @@ static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn, for (i = 0; i < YAFFS_NTNODES_INTERNAL; i++) { if (tn->internal[i]) { tn->internal[i] = - yaffs_PruneWorker(dev, tn->internal[i], + yaffs_prune_worker(dev, tn->internal[i], level - 1, (i == 0) ? del0 : 1); } @@ -1156,10 +1154,10 @@ static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn, hasData++; } } else { - int tnodeSize_u32 = dev->tnodeSize/sizeof(__u32); + int tnode_size_u32 = dev->tnode_size/sizeof(__u32); __u32 *map = (__u32 *)tn; - for(i = 0; !hasData && i < tnodeSize_u32; i++){ + for(i = 0; !hasData && i < tnode_size_u32; i++){ if(map[i]) hasData++; } @@ -1168,7 +1166,7 @@ static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn, if (hasData == 0 && del0) { /* Free and return NULL */ - yaffs_FreeTnode(dev, tn); + yaffs_free_tnode(dev, tn); tn = NULL; } @@ -1178,17 +1176,17 @@ static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn, } -static int yaffs_PruneFileStructure(yaffs_Device *dev, - yaffs_FileStructure *fStruct) +static int yaffs_prune_tree(yaffs_dev_t *dev, + yaffs_file_s *file_struct) { int i; int hasData; int done = 0; - yaffs_Tnode *tn; + yaffs_tnode_t *tn; - if (fStruct->topLevel > 0) { - fStruct->top = - yaffs_PruneWorker(dev, fStruct->top, fStruct->topLevel, 0); + if (file_struct->top_level > 0) { + file_struct->top = + yaffs_prune_worker(dev, file_struct->top, file_struct->top_level, 0); /* Now we have a tree with all the non-zero branches NULL but the height * is the same as it was. @@ -1197,8 +1195,8 @@ static int yaffs_PruneFileStructure(yaffs_Device *dev, * (ie all the non-zero are NULL) */ - while (fStruct->topLevel && !done) { - tn = fStruct->top; + while (file_struct->top_level && !done) { + tn = file_struct->top; hasData = 0; for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) { @@ -1207,9 +1205,9 @@ static int yaffs_PruneFileStructure(yaffs_Device *dev, } if (!hasData) { - fStruct->top = tn->internal[0]; - fStruct->topLevel--; - yaffs_FreeTnode(dev, tn); + file_struct->top = tn->internal[0]; + file_struct->top_level--; + yaffs_free_tnode(dev, tn); } else { done = 1; } @@ -1223,87 +1221,87 @@ static int yaffs_PruneFileStructure(yaffs_Device *dev, /* AllocateEmptyObject gets us a clean Object. Tries to make allocate more if we run out */ -static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device *dev) +static yaffs_obj_t *yaffs_alloc_empty_obj(yaffs_dev_t *dev) { - yaffs_Object *obj = yaffs_AllocateRawObject(dev); + yaffs_obj_t *obj = yaffs_alloc_raw_obj(dev); if (obj) { - dev->nObjects++; + dev->n_obj++; /* Now sweeten it up... */ - memset(obj, 0, sizeof(yaffs_Object)); - obj->beingCreated = 1; + memset(obj, 0, sizeof(yaffs_obj_t)); + obj->being_created = 1; - obj->myDev = dev; - obj->hdrChunk = 0; - obj->variantType = YAFFS_OBJECT_TYPE_UNKNOWN; - YINIT_LIST_HEAD(&(obj->hardLinks)); - YINIT_LIST_HEAD(&(obj->hashLink)); + obj->my_dev = dev; + obj->hdr_chunk = 0; + obj->variant_type = YAFFS_OBJECT_TYPE_UNKNOWN; + YINIT_LIST_HEAD(&(obj->hard_links)); + YINIT_LIST_HEAD(&(obj->hash_link)); YINIT_LIST_HEAD(&obj->siblings); /* Now make the directory sane */ - if (dev->rootDir) { - obj->parent = dev->rootDir; - ylist_add(&(obj->siblings), &dev->rootDir->variant.directoryVariant.children); + if (dev->root_dir) { + obj->parent = dev->root_dir; + ylist_add(&(obj->siblings), &dev->root_dir->variant.dir_variant.children); } /* Add it to the lost and found directory. * NB Can't put root or lostNFound in lostNFound so * check if lostNFound exists first */ - if (dev->lostNFoundDir) - yaffs_AddObjectToDirectory(dev->lostNFoundDir, obj); + if (dev->lost_n_found) + yaffs_add_obj_to_dir(dev->lost_n_found, obj); - obj->beingCreated = 0; + obj->being_created = 0; } - dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ + dev->checkpoint_blocks_required = 0; /* force recalculation*/ return obj; } -static yaffs_Object *yaffs_CreateFakeDirectory(yaffs_Device *dev, int number, +static yaffs_obj_t *yaffs_create_fake_dir(yaffs_dev_t *dev, int number, __u32 mode) { - yaffs_Object *obj = - yaffs_CreateNewObject(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY); + yaffs_obj_t *obj = + yaffs_new_obj(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY); if (obj) { obj->fake = 1; /* it is fake so it might have no NAND presence... */ - obj->renameAllowed = 0; /* ... and we're not allowed to rename it... */ - obj->unlinkAllowed = 0; /* ... or unlink it */ + obj->rename_allowed = 0; /* ... and we're not allowed to rename it... */ + obj->unlink_allowed = 0; /* ... or unlink it */ obj->deleted = 0; obj->unlinked = 0; obj->yst_mode = mode; - obj->myDev = dev; - obj->hdrChunk = 0; /* Not a valid chunk. */ + obj->my_dev = dev; + obj->hdr_chunk = 0; /* Not a valid chunk. */ } return obj; } -static void yaffs_UnhashObject(yaffs_Object *obj) +static void yaffs_unhash_obj(yaffs_obj_t *obj) { int bucket; - yaffs_Device *dev = obj->myDev; + yaffs_dev_t *dev = obj->my_dev; /* If it is still linked into the bucket list, free from the list */ - if (!ylist_empty(&obj->hashLink)) { - ylist_del_init(&obj->hashLink); - bucket = yaffs_HashFunction(obj->objectId); - dev->objectBucket[bucket].count--; + if (!ylist_empty(&obj->hash_link)) { + ylist_del_init(&obj->hash_link); + bucket = yaffs_hash_fn(obj->obj_id); + dev->obj_bucket[bucket].count--; } } /* FreeObject frees up a Object and puts it back on the free list */ -static void yaffs_FreeObject(yaffs_Object *obj) +static void yaffs_free_obj(yaffs_obj_t *obj) { - yaffs_Device *dev = obj->myDev; + yaffs_dev_t *dev = obj->my_dev; - T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), obj, obj->myInode)); + T(YAFFS_TRACE_OS, (TSTR("FreeObject %p inode %p"TENDSTR), obj, obj->my_inode)); if (!obj) YBUG(); @@ -1313,44 +1311,44 @@ static void yaffs_FreeObject(yaffs_Object *obj) YBUG(); - if (obj->myInode) { + if (obj->my_inode) { /* We're still hooked up to a cached inode. * Don't delete now, but mark for later deletion */ - obj->deferedFree = 1; + obj->defered_free = 1; return; } - yaffs_UnhashObject(obj); + yaffs_unhash_obj(obj); - yaffs_FreeRawObject(dev,obj); - dev->nObjects--; - dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ + yaffs_free_raw_obj(dev,obj); + dev->n_obj--; + dev->checkpoint_blocks_required = 0; /* force recalculation*/ } -void yaffs_HandleDeferedFree(yaffs_Object *obj) +void yaffs_handle_defered_free(yaffs_obj_t *obj) { - if (obj->deferedFree) - yaffs_FreeObject(obj); + if (obj->defered_free) + yaffs_free_obj(obj); } -static void yaffs_InitialiseTnodesAndObjects(yaffs_Device *dev) +static void yaffs_init_tnodes_and_objs(yaffs_dev_t *dev) { int i; - dev->nObjects = 0; - dev->nTnodes = 0; + dev->n_obj = 0; + dev->n_tnodes = 0; - yaffs_InitialiseRawTnodesAndObjects(dev); + yaffs_init_raw_tnodes_and_objs(dev); for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { - YINIT_LIST_HEAD(&dev->objectBucket[i].list); - dev->objectBucket[i].count = 0; + YINIT_LIST_HEAD(&dev->obj_bucket[i].list); + dev->obj_bucket[i].count = 0; } } -static int yaffs_FindNiceObjectBucket(yaffs_Device *dev) +static int yaffs_find_nice_bucket(yaffs_dev_t *dev) { int i; int l = 999; @@ -1362,11 +1360,11 @@ static int yaffs_FindNiceObjectBucket(yaffs_Device *dev) */ for (i = 0; i < 10 && lowest > 4; i++) { - dev->bucketFinder++; - dev->bucketFinder %= YAFFS_NOBJECT_BUCKETS; - if (dev->objectBucket[dev->bucketFinder].count < lowest) { - lowest = dev->objectBucket[dev->bucketFinder].count; - l = dev->bucketFinder; + dev->bucket_finder++; + dev->bucket_finder %= YAFFS_NOBJECT_BUCKETS; + if (dev->obj_bucket[dev->bucket_finder].count < lowest) { + lowest = dev->obj_bucket[dev->bucket_finder].count; + l = dev->bucket_finder; } } @@ -1374,9 +1372,9 @@ static int yaffs_FindNiceObjectBucket(yaffs_Device *dev) return l; } -static int yaffs_CreateNewObjectNumber(yaffs_Device *dev) +static int yaffs_new_obj_id(yaffs_dev_t *dev) { - int bucket = yaffs_FindNiceObjectBucket(dev); + int bucket = yaffs_find_nice_bucket(dev); /* Now find an object value that has not already been taken * by scanning the list. @@ -1387,16 +1385,16 @@ static int yaffs_CreateNewObjectNumber(yaffs_Device *dev) __u32 n = (__u32) bucket; - /* yaffs_CheckObjectHashSanity(); */ + /* yaffs_check_obj_hash_sane(); */ while (!found) { found = 1; n += YAFFS_NOBJECT_BUCKETS; - if (1 || dev->objectBucket[bucket].count > 0) { - ylist_for_each(i, &dev->objectBucket[bucket].list) { + if (1 || dev->obj_bucket[bucket].count > 0) { + ylist_for_each(i, &dev->obj_bucket[bucket].list) { /* If there is already one in the list */ - if (i && ylist_entry(i, yaffs_Object, - hashLink)->objectId == n) { + if (i && ylist_entry(i, yaffs_obj_t, + hash_link)->obj_id == n) { found = 0; } } @@ -1406,29 +1404,29 @@ static int yaffs_CreateNewObjectNumber(yaffs_Device *dev) return n; } -static void yaffs_HashObject(yaffs_Object *in) +static void yaffs_hash_obj(yaffs_obj_t *in) { - int bucket = yaffs_HashFunction(in->objectId); - yaffs_Device *dev = in->myDev; + int bucket = yaffs_hash_fn(in->obj_id); + yaffs_dev_t *dev = in->my_dev; - ylist_add(&in->hashLink, &dev->objectBucket[bucket].list); - dev->objectBucket[bucket].count++; + ylist_add(&in->hash_link, &dev->obj_bucket[bucket].list); + dev->obj_bucket[bucket].count++; } -yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number) +yaffs_obj_t *yaffs_find_by_number(yaffs_dev_t *dev, __u32 number) { - int bucket = yaffs_HashFunction(number); + int bucket = yaffs_hash_fn(number); struct ylist_head *i; - yaffs_Object *in; + yaffs_obj_t *in; - ylist_for_each(i, &dev->objectBucket[bucket].list) { + ylist_for_each(i, &dev->obj_bucket[bucket].list) { /* Look if it is in the list */ if (i) { - in = ylist_entry(i, yaffs_Object, hashLink); - if (in->objectId == number) { + in = ylist_entry(i, yaffs_obj_t, hash_link); + if (in->obj_id == number) { /* Don't tell the VFS about this one if it is defered free */ - if (in->deferedFree) + if (in->defered_free) return NULL; return in; @@ -1439,38 +1437,38 @@ yaffs_Object *yaffs_FindObjectByNumber(yaffs_Device *dev, __u32 number) return NULL; } -yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number, - yaffs_ObjectType type) +yaffs_obj_t *yaffs_new_obj(yaffs_dev_t *dev, int number, + yaffs_obj_type type) { - yaffs_Object *theObject=NULL; - yaffs_Tnode *tn = NULL; + yaffs_obj_t *theObject=NULL; + yaffs_tnode_t *tn = NULL; if (number < 0) - number = yaffs_CreateNewObjectNumber(dev); + number = yaffs_new_obj_id(dev); if (type == YAFFS_OBJECT_TYPE_FILE) { - tn = yaffs_GetTnode(dev); + tn = yaffs_get_tnode(dev); if (!tn) return NULL; } - theObject = yaffs_AllocateEmptyObject(dev); + theObject = yaffs_alloc_empty_obj(dev); if (!theObject){ if(tn) - yaffs_FreeTnode(dev,tn); + yaffs_free_tnode(dev,tn); return NULL; } if (theObject) { theObject->fake = 0; - theObject->renameAllowed = 1; - theObject->unlinkAllowed = 1; - theObject->objectId = number; - yaffs_HashObject(theObject); - theObject->variantType = type; + theObject->rename_allowed = 1; + theObject->unlink_allowed = 1; + theObject->obj_id = number; + yaffs_hash_obj(theObject); + theObject->variant_type = type; #ifdef CONFIG_YAFFS_WINCE - yfsd_WinFileTimeNow(theObject->win_atime); + yfsd_win_file_time_now(theObject->win_atime); theObject->win_ctime[0] = theObject->win_mtime[0] = theObject->win_atime[0]; theObject->win_ctime[1] = theObject->win_mtime[1] = @@ -1483,16 +1481,16 @@ yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number, #endif switch (type) { case YAFFS_OBJECT_TYPE_FILE: - theObject->variant.fileVariant.fileSize = 0; - theObject->variant.fileVariant.scannedFileSize = 0; - theObject->variant.fileVariant.shrinkSize = 0xFFFFFFFF; /* max __u32 */ - theObject->variant.fileVariant.topLevel = 0; - theObject->variant.fileVariant.top = tn; + theObject->variant.file_variant.file_size = 0; + theObject->variant.file_variant.scanned_size = 0; + theObject->variant.file_variant.shrink_size = 0xFFFFFFFF; /* max __u32 */ + theObject->variant.file_variant.top_level = 0; + theObject->variant.file_variant.top = tn; break; case YAFFS_OBJECT_TYPE_DIRECTORY: - YINIT_LIST_HEAD(&theObject->variant.directoryVariant. + YINIT_LIST_HEAD(&theObject->variant.dir_variant. children); - YINIT_LIST_HEAD(&theObject->variant.directoryVariant. + YINIT_LIST_HEAD(&theObject->variant.dir_variant. dirty); break; case YAFFS_OBJECT_TYPE_SYMLINK: @@ -1509,24 +1507,24 @@ yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number, return theObject; } -yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev, +yaffs_obj_t *yaffs_find_or_create_by_number(yaffs_dev_t *dev, int number, - yaffs_ObjectType type) + yaffs_obj_type type) { - yaffs_Object *theObject = NULL; + yaffs_obj_t *theObject = NULL; if (number > 0) - theObject = yaffs_FindObjectByNumber(dev, number); + theObject = yaffs_find_by_number(dev, number); if (!theObject) - theObject = yaffs_CreateNewObject(dev, number, type); + theObject = yaffs_new_obj(dev, number, type); return theObject; } -YCHAR *yaffs_CloneString(const YCHAR *str) +YCHAR *yaffs_clone_str(const YCHAR *str) { YCHAR *newStr = NULL; int len; @@ -1546,36 +1544,36 @@ YCHAR *yaffs_CloneString(const YCHAR *str) /* * Mknod (create) a new object. - * equivalentObject only has meaning for a hard link; + * equiv_obj only has meaning for a hard link; * aliasString only has meaning for a symlink. * rdev only has meaning for devices (a subset of special objects) */ -static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, - yaffs_Object *parent, +static yaffs_obj_t *yaffs_create_obj(yaffs_obj_type type, + yaffs_obj_t *parent, const YCHAR *name, __u32 mode, __u32 uid, __u32 gid, - yaffs_Object *equivalentObject, + yaffs_obj_t *equiv_obj, const YCHAR *aliasString, __u32 rdev) { - yaffs_Object *in; + yaffs_obj_t *in; YCHAR *str = NULL; - yaffs_Device *dev = parent->myDev; + yaffs_dev_t *dev = parent->my_dev; /* Check if the entry exists. If it does then fail the call since we don't want a dup.*/ - if (yaffs_FindObjectByName(parent, name)) + if (yaffs_find_by_name(parent, name)) return NULL; if (type == YAFFS_OBJECT_TYPE_SYMLINK) { - str = yaffs_CloneString(aliasString); + str = yaffs_clone_str(aliasString); if (!str) return NULL; } - in = yaffs_CreateNewObject(dev, -1, type); + in = yaffs_new_obj(dev, -1, type); if (!in){ if(str) @@ -1588,14 +1586,14 @@ static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, if (in) { - in->hdrChunk = 0; + in->hdr_chunk = 0; in->valid = 1; - in->variantType = type; + in->variant_type = type; in->yst_mode = mode; #ifdef CONFIG_YAFFS_WINCE - yfsd_WinFileTimeNow(in->win_atime); + yfsd_win_file_time_now(in->win_atime); in->win_ctime[0] = in->win_mtime[0] = in->win_atime[0]; in->win_ctime[1] = in->win_mtime[1] = in->win_atime[1]; @@ -1606,25 +1604,25 @@ static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, in->yst_uid = uid; in->yst_gid = gid; #endif - in->nDataChunks = 0; + in->n_data_chunks = 0; - yaffs_SetObjectName(in, name); + yaffs_set_obj_name(in, name); in->dirty = 1; - yaffs_AddObjectToDirectory(parent, in); + yaffs_add_obj_to_dir(parent, in); - in->myDev = parent->myDev; + in->my_dev = parent->my_dev; switch (type) { case YAFFS_OBJECT_TYPE_SYMLINK: - in->variant.symLinkVariant.alias = str; + in->variant.symlink_variant.alias = str; break; case YAFFS_OBJECT_TYPE_HARDLINK: - in->variant.hardLinkVariant.equivalentObject = - equivalentObject; - in->variant.hardLinkVariant.equivalentObjectId = - equivalentObject->objectId; - ylist_add(&in->hardLinks, &equivalentObject->hardLinks); + in->variant.hardlink_variant.equiv_obj = + equiv_obj; + in->variant.hardlink_variant.equiv_id = + equiv_obj->obj_id; + ylist_add(&in->hard_links, &equiv_obj->hard_links); break; case YAFFS_OBJECT_TYPE_FILE: case YAFFS_OBJECT_TYPE_DIRECTORY: @@ -1634,93 +1632,93 @@ static yaffs_Object *yaffs_MknodObject(yaffs_ObjectType type, break; } - if (yaffs_UpdateObjectHeader(in, name, 0, 0, 0, NULL) < 0) { + if (yaffs_update_oh(in, name, 0, 0, 0, NULL) < 0) { /* Could not create the object header, fail the creation */ - yaffs_DeleteObject(in); + yaffs_del_obj(in); in = NULL; } - yaffs_UpdateParent(parent); + yaffs_update_parent(parent); } return in; } -yaffs_Object *yaffs_MknodFile(yaffs_Object *parent, const YCHAR *name, +yaffs_obj_t *yaffs_create_file(yaffs_obj_t *parent, const YCHAR *name, __u32 mode, __u32 uid, __u32 gid) { - return yaffs_MknodObject(YAFFS_OBJECT_TYPE_FILE, parent, name, mode, + return yaffs_create_obj(YAFFS_OBJECT_TYPE_FILE, parent, name, mode, uid, gid, NULL, NULL, 0); } -yaffs_Object *yaffs_MknodDirectory(yaffs_Object *parent, const YCHAR *name, +yaffs_obj_t *yaffs_create_dir(yaffs_obj_t *parent, const YCHAR *name, __u32 mode, __u32 uid, __u32 gid) { - return yaffs_MknodObject(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name, + return yaffs_create_obj(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name, mode, uid, gid, NULL, NULL, 0); } -yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name, +yaffs_obj_t *yaffs_create_special(yaffs_obj_t *parent, const YCHAR *name, __u32 mode, __u32 uid, __u32 gid, __u32 rdev) { - return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode, + return yaffs_create_obj(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode, uid, gid, NULL, NULL, rdev); } -yaffs_Object *yaffs_MknodSymLink(yaffs_Object *parent, const YCHAR *name, +yaffs_obj_t *yaffs_create_symlink(yaffs_obj_t *parent, const YCHAR *name, __u32 mode, __u32 uid, __u32 gid, const YCHAR *alias) { - return yaffs_MknodObject(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode, + return yaffs_create_obj(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode, uid, gid, NULL, alias, 0); } -/* yaffs_Link returns the object id of the equivalent object.*/ -yaffs_Object *yaffs_Link(yaffs_Object *parent, const YCHAR *name, - yaffs_Object *equivalentObject) +/* yaffs_link_obj returns the object id of the equivalent object.*/ +yaffs_obj_t *yaffs_link_obj(yaffs_obj_t *parent, const YCHAR *name, + yaffs_obj_t *equiv_obj) { /* Get the real object in case we were fed a hard link as an equivalent object */ - equivalentObject = yaffs_GetEquivalentObject(equivalentObject); + equiv_obj = yaffs_get_equivalent_obj(equiv_obj); - if (yaffs_MknodObject + if (yaffs_create_obj (YAFFS_OBJECT_TYPE_HARDLINK, parent, name, 0, 0, 0, - equivalentObject, NULL, 0)) { - return equivalentObject; + equiv_obj, NULL, 0)) { + return equiv_obj; } else { return NULL; } } -static int yaffs_ChangeObjectName(yaffs_Object *obj, yaffs_Object *newDir, - const YCHAR *newName, int force, int shadows) +static int yaffs_change_obj_name(yaffs_obj_t *obj, yaffs_obj_t *new_dir, + const YCHAR *new_name, int force, int shadows) { int unlinkOp; int deleteOp; - yaffs_Object *existingTarget; + yaffs_obj_t *existingTarget; - if (newDir == NULL) - newDir = obj->parent; /* use the old directory */ + if (new_dir == NULL) + new_dir = obj->parent; /* use the old directory */ - if (newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { + if (new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { T(YAFFS_TRACE_ALWAYS, (TSTR - ("tragedy: yaffs_ChangeObjectName: newDir is not a directory" + ("tragedy: yaffs_change_obj_name: new_dir is not a directory" TENDSTR))); YBUG(); } /* TODO: Do we need this different handling for YAFFS2 and YAFFS1?? */ - if (obj->myDev->param.isYaffs2) - unlinkOp = (newDir == obj->myDev->unlinkedDir); + if (obj->my_dev->param.is_yaffs2) + unlinkOp = (new_dir == obj->my_dev->unlinked_dir); else - unlinkOp = (newDir == obj->myDev->unlinkedDir - && obj->variantType == YAFFS_OBJECT_TYPE_FILE); + unlinkOp = (new_dir == obj->my_dev->unlinked_dir + && obj->variant_type == YAFFS_OBJECT_TYPE_FILE); - deleteOp = (newDir == obj->myDev->deletedDir); + deleteOp = (new_dir == obj->my_dev->del_dir); - existingTarget = yaffs_FindObjectByName(newDir, newName); + existingTarget = yaffs_find_by_name(new_dir, new_name); /* 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. @@ -1732,63 +1730,63 @@ static int yaffs_ChangeObjectName(yaffs_Object *obj, yaffs_Object *newDir, force || (shadows > 0) || !existingTarget) && - newDir->variantType == YAFFS_OBJECT_TYPE_DIRECTORY) { - yaffs_SetObjectName(obj, newName); + new_dir->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) { + yaffs_set_obj_name(obj, new_name); obj->dirty = 1; - yaffs_AddObjectToDirectory(newDir, obj); + yaffs_add_obj_to_dir(new_dir, obj); if (unlinkOp) obj->unlinked = 1; /* If it is a deletion then we mark it as a shrink for gc purposes. */ - if (yaffs_UpdateObjectHeader(obj, newName, 0, deleteOp, shadows, NULL) >= 0) + if (yaffs_update_oh(obj, new_name, 0, deleteOp, shadows, NULL) >= 0) return YAFFS_OK; } return YAFFS_FAIL; } -int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName, - yaffs_Object *newDir, const YCHAR *newName) +int yaffs_rename_obj(yaffs_obj_t *old_dir, const YCHAR *old_name, + yaffs_obj_t *new_dir, const YCHAR *new_name) { - yaffs_Object *obj = NULL; - yaffs_Object *existingTarget = NULL; + yaffs_obj_t *obj = NULL; + yaffs_obj_t *existingTarget = NULL; int force = 0; int result; - yaffs_Device *dev; + yaffs_dev_t *dev; - if (!oldDir || oldDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) + if (!old_dir || old_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) YBUG(); - if (!newDir || newDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) + if (!new_dir || new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) YBUG(); - dev = oldDir->myDev; + dev = old_dir->my_dev; #ifdef CONFIG_YAFFS_CASE_INSENSITIVE /* Special case for case insemsitive systems (eg. WinCE). * While look-up is case insensitive, the name isn't. * Therefore we might want to change x.txt to X.txt */ - if (oldDir == newDir && yaffs_strcmp(oldName, newName) == 0) + if (old_dir == new_dir && yaffs_strcmp(old_name, new_name) == 0) force = 1; #endif - if(yaffs_strnlen(newName,YAFFS_MAX_NAME_LENGTH+1) > YAFFS_MAX_NAME_LENGTH) + if(yaffs_strnlen(new_name,YAFFS_MAX_NAME_LENGTH+1) > YAFFS_MAX_NAME_LENGTH) /* ENAMETOOLONG */ return YAFFS_FAIL; - obj = yaffs_FindObjectByName(oldDir, oldName); + obj = yaffs_find_by_name(old_dir, old_name); - if (obj && obj->renameAllowed) { + if (obj && obj->rename_allowed) { /* Now do the handling for an existing target, if there is one */ - existingTarget = yaffs_FindObjectByName(newDir, newName); + existingTarget = yaffs_find_by_name(new_dir, new_name); if (existingTarget && - existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && - !ylist_empty(&existingTarget->variant.directoryVariant.children)) { + existingTarget->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY && + !ylist_empty(&existingTarget->variant.dir_variant.children)) { /* There is a target that is a non-empty directory, so we fail */ return YAFFS_FAIL; /* EEXIST or ENOTEMPTY */ } else if (existingTarget && existingTarget != obj) { @@ -1798,19 +1796,19 @@ int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName, * Note we must disable gc otherwise it can mess up the shadowing. * */ - dev->gcDisable=1; - yaffs_ChangeObjectName(obj, newDir, newName, force, - existingTarget->objectId); - existingTarget->isShadowed = 1; - yaffs_UnlinkObject(existingTarget); - dev->gcDisable=0; + dev->gc_disable=1; + yaffs_change_obj_name(obj, new_dir, new_name, force, + existingTarget->obj_id); + existingTarget->is_shadowed = 1; + yaffs_unlink_obj(existingTarget); + dev->gc_disable=0; } - result = yaffs_ChangeObjectName(obj, newDir, newName, 1, 0); + result = yaffs_change_obj_name(obj, new_dir, new_name, 1, 0); - yaffs_UpdateParent(oldDir); - if(newDir != oldDir) - yaffs_UpdateParent(newDir); + yaffs_update_parent(old_dir); + if(new_dir != old_dir) + yaffs_update_parent(new_dir); return result; } @@ -1819,65 +1817,65 @@ int yaffs_RenameObject(yaffs_Object *oldDir, const YCHAR *oldName, /*------------------------- Block Management and Page Allocation ----------------*/ -static int yaffs_InitialiseBlocks(yaffs_Device *dev) +static int yaffs_init_blocks(yaffs_dev_t *dev) { - int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; + int nBlocks = dev->internal_end_block - dev->internal_start_block + 1; - dev->blockInfo = NULL; - dev->chunkBits = NULL; + dev->block_info = NULL; + dev->chunk_bits = NULL; - dev->allocationBlock = -1; /* force it to get a new one */ + dev->alloc_block = -1; /* force it to get a new one */ /* If the first allocation strategy fails, thry the alternate one */ - dev->blockInfo = YMALLOC(nBlocks * sizeof(yaffs_BlockInfo)); - if (!dev->blockInfo) { - dev->blockInfo = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockInfo)); - dev->blockInfoAlt = 1; + dev->block_info = YMALLOC(nBlocks * sizeof(yaffs_block_info_t)); + if (!dev->block_info) { + dev->block_info = YMALLOC_ALT(nBlocks * sizeof(yaffs_block_info_t)); + dev->block_info_alt = 1; } else - dev->blockInfoAlt = 0; + dev->block_info_alt = 0; - if (dev->blockInfo) { + if (dev->block_info) { /* Set up dynamic blockinfo stuff. */ - dev->chunkBitmapStride = (dev->param.nChunksPerBlock + 7) / 8; /* round up bytes */ - dev->chunkBits = YMALLOC(dev->chunkBitmapStride * nBlocks); - if (!dev->chunkBits) { - dev->chunkBits = YMALLOC_ALT(dev->chunkBitmapStride * nBlocks); - dev->chunkBitsAlt = 1; + dev->chunk_bit_stride = (dev->param.chunks_per_block + 7) / 8; /* round up bytes */ + dev->chunk_bits = YMALLOC(dev->chunk_bit_stride * nBlocks); + if (!dev->chunk_bits) { + dev->chunk_bits = YMALLOC_ALT(dev->chunk_bit_stride * nBlocks); + dev->chunk_bits_alt = 1; } else - dev->chunkBitsAlt = 0; + dev->chunk_bits_alt = 0; } - if (dev->blockInfo && dev->chunkBits) { - memset(dev->blockInfo, 0, nBlocks * sizeof(yaffs_BlockInfo)); - memset(dev->chunkBits, 0, dev->chunkBitmapStride * nBlocks); + if (dev->block_info && dev->chunk_bits) { + memset(dev->block_info, 0, nBlocks * sizeof(yaffs_block_info_t)); + memset(dev->chunk_bits, 0, dev->chunk_bit_stride * nBlocks); return YAFFS_OK; } return YAFFS_FAIL; } -static void yaffs_DeinitialiseBlocks(yaffs_Device *dev) +static void yaffs_deinit_blocks(yaffs_dev_t *dev) { - if (dev->blockInfoAlt && dev->blockInfo) - YFREE_ALT(dev->blockInfo); - else if (dev->blockInfo) - YFREE(dev->blockInfo); + if (dev->block_info_alt && dev->block_info) + YFREE_ALT(dev->block_info); + else if (dev->block_info) + YFREE(dev->block_info); - dev->blockInfoAlt = 0; + dev->block_info_alt = 0; - dev->blockInfo = NULL; + dev->block_info = NULL; - if (dev->chunkBitsAlt && dev->chunkBits) - YFREE_ALT(dev->chunkBits); - else if (dev->chunkBits) - YFREE(dev->chunkBits); - dev->chunkBitsAlt = 0; - dev->chunkBits = NULL; + if (dev->chunk_bits_alt && dev->chunk_bits) + YFREE_ALT(dev->chunk_bits); + else if (dev->chunk_bits) + YFREE(dev->chunk_bits); + dev->chunk_bits_alt = 0; + dev->chunk_bits = NULL; } -void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo) +void yaffs_block_became_dirty(yaffs_dev_t *dev, int block_no) { - yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, blockNo); + yaffs_block_info_t *bi = yaffs_get_block_info(dev, block_no); int erasedOk = 0; @@ -1886,77 +1884,77 @@ void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo) */ T(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE, - (TSTR("yaffs_BlockBecameDirty block %d state %d %s"TENDSTR), - blockNo, bi->blockState, (bi->needsRetiring) ? "needs retiring" : "")); + (TSTR("yaffs_block_became_dirty block %d state %d %s"TENDSTR), + block_no, bi->block_state, (bi->needs_retiring) ? "needs retiring" : "")); - yaffs2_ClearOldestDirtySequence(dev,bi); + yaffs2_clear_oldest_dirty_seq(dev,bi); - bi->blockState = YAFFS_BLOCK_STATE_DIRTY; + bi->block_state = YAFFS_BLOCK_STATE_DIRTY; /* If this is the block being garbage collected then stop gc'ing this block */ - if(blockNo == dev->gcBlock) - dev->gcBlock = 0; + if(block_no == dev->gc_block) + dev->gc_block = 0; /* If this block is currently the best candidate for gc then drop as a candidate */ - if(blockNo == dev->gcDirtiest){ - dev->gcDirtiest = 0; - dev->gcPagesInUse = 0; + if(block_no == dev->gc_dirtiest){ + dev->gc_dirtiest = 0; + dev->gc_pages_in_use = 0; } - if (!bi->needsRetiring) { - yaffs2_InvalidateCheckpoint(dev); - erasedOk = yaffs_EraseBlockInNAND(dev, blockNo); + if (!bi->needs_retiring) { + yaffs2_checkpt_invalidate(dev); + erasedOk = yaffs_erase_block(dev, block_no); if (!erasedOk) { - dev->nErasureFailures++; + dev->n_erase_failures++; T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, - (TSTR("**>> Erasure failed %d" TENDSTR), blockNo)); + (TSTR("**>> Erasure failed %d" TENDSTR), block_no)); } } if (erasedOk && - ((yaffs_traceMask & YAFFS_TRACE_ERASE) || !yaffs_SkipVerification(dev))) { + ((yaffs_trace_mask & YAFFS_TRACE_ERASE) || !yaffs_skip_verification(dev))) { int i; - for (i = 0; i < dev->param.nChunksPerBlock; i++) { - if (!yaffs_CheckChunkErased - (dev, blockNo * dev->param.nChunksPerBlock + i)) { + for (i = 0; i < dev->param.chunks_per_block; i++) { + if (!yaffs_check_chunk_erased + (dev, block_no * dev->param.chunks_per_block + i)) { T(YAFFS_TRACE_ERROR, (TSTR (">>Block %d erasure supposedly OK, but chunk %d not erased" - TENDSTR), blockNo, i)); + TENDSTR), block_no, i)); } } } if (erasedOk) { /* Clean it up... */ - bi->blockState = YAFFS_BLOCK_STATE_EMPTY; - bi->sequenceNumber = 0; - dev->nErasedBlocks++; - bi->pagesInUse = 0; - bi->softDeletions = 0; - bi->hasShrinkHeader = 0; - bi->skipErasedCheck = 1; /* This is clean, so no need to check */ - bi->gcPrioritise = 0; - yaffs_ClearChunkBits(dev, blockNo); + bi->block_state = YAFFS_BLOCK_STATE_EMPTY; + bi->seq_number = 0; + dev->n_erased_blocks++; + bi->pages_in_use = 0; + bi->soft_del_pages = 0; + bi->has_shrink_hdr = 0; + bi->skip_erased_check = 1; /* This is clean, so no need to check */ + bi->gc_prioritise = 0; + yaffs_clear_chunk_bits(dev, block_no); T(YAFFS_TRACE_ERASE, - (TSTR("Erased block %d" TENDSTR), blockNo)); + (TSTR("Erased block %d" TENDSTR), block_no)); } else { - dev->nFreeChunks -= dev->param.nChunksPerBlock; /* We lost a block of free space */ + dev->n_free_chunks -= dev->param.chunks_per_block; /* We lost a block of free space */ - yaffs_RetireBlock(dev, blockNo); + yaffs_retire_block(dev, block_no); T(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, - (TSTR("**>> Block %d retired" TENDSTR), blockNo)); + (TSTR("**>> Block %d retired" TENDSTR), block_no)); } } -static int yaffs_FindBlockForAllocation(yaffs_Device *dev) +static int yaffs_find_alloc_block(yaffs_dev_t *dev) { int i; - yaffs_BlockInfo *bi; + yaffs_block_info_t *bi; - if (dev->nErasedBlocks < 1) { + if (dev->n_erased_blocks < 1) { /* Hoosterman we've got a problem. * Can't get space to gc */ @@ -1968,32 +1966,32 @@ static int yaffs_FindBlockForAllocation(yaffs_Device *dev) /* Find an empty block. */ - for (i = dev->internalStartBlock; i <= dev->internalEndBlock; i++) { - dev->allocationBlockFinder++; - if (dev->allocationBlockFinder < dev->internalStartBlock - || dev->allocationBlockFinder > dev->internalEndBlock) { - dev->allocationBlockFinder = dev->internalStartBlock; + for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { + dev->alloc_block_finder++; + if (dev->alloc_block_finder < dev->internal_start_block + || dev->alloc_block_finder > dev->internal_end_block) { + dev->alloc_block_finder = dev->internal_start_block; } - bi = yaffs_GetBlockInfo(dev, dev->allocationBlockFinder); + bi = yaffs_get_block_info(dev, dev->alloc_block_finder); - if (bi->blockState == YAFFS_BLOCK_STATE_EMPTY) { - bi->blockState = YAFFS_BLOCK_STATE_ALLOCATING; - dev->sequenceNumber++; - bi->sequenceNumber = dev->sequenceNumber; - dev->nErasedBlocks--; + if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { + bi->block_state = YAFFS_BLOCK_STATE_ALLOCATING; + dev->seq_number++; + bi->seq_number = dev->seq_number; + dev->n_erased_blocks--; T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocated block %d, seq %d, %d left" TENDSTR), - dev->allocationBlockFinder, dev->sequenceNumber, - dev->nErasedBlocks)); - return dev->allocationBlockFinder; + dev->alloc_block_finder, dev->seq_number, + dev->n_erased_blocks)); + return dev->alloc_block_finder; } } T(YAFFS_TRACE_ALWAYS, (TSTR ("yaffs tragedy: no more erased blocks, but there should have been %d" - TENDSTR), dev->nErasedBlocks)); + TENDSTR), dev->n_erased_blocks)); return -1; } @@ -2001,61 +1999,61 @@ static int yaffs_FindBlockForAllocation(yaffs_Device *dev) /* * Check if there's space to allocate... - * Thinks.... do we need top make this ths same as yaffs_GetFreeChunks()? + * Thinks.... do we need top make this ths same as yaffs_get_free_chunks()? */ -int yaffs_CheckSpaceForAllocation(yaffs_Device *dev, int nChunks) +int yaffs_check_alloc_available(yaffs_dev_t *dev, int n_chunks) { int reservedChunks; - int reservedBlocks = dev->param.nReservedBlocks; + int reservedBlocks = dev->param.n_reserved_blocks; int checkpointBlocks; - checkpointBlocks = yaffs2_CalcCheckpointBlocksRequired(dev); + checkpointBlocks = yaffs_calc_checkpt_blocks_required(dev); - reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->param.nChunksPerBlock); + reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->param.chunks_per_block); - return (dev->nFreeChunks > (reservedChunks + nChunks)); + return (dev->n_free_chunks > (reservedChunks + n_chunks)); } -static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, - yaffs_BlockInfo **blockUsedPtr) +static int yaffs_alloc_chunk(yaffs_dev_t *dev, int useReserve, + yaffs_block_info_t **blockUsedPtr) { int retVal; - yaffs_BlockInfo *bi; + yaffs_block_info_t *bi; - if (dev->allocationBlock < 0) { + if (dev->alloc_block < 0) { /* Get next block to allocate off */ - dev->allocationBlock = yaffs_FindBlockForAllocation(dev); - dev->allocationPage = 0; + dev->alloc_block = yaffs_find_alloc_block(dev); + dev->alloc_page = 0; } - if (!useReserve && !yaffs_CheckSpaceForAllocation(dev, 1)) { + if (!useReserve && !yaffs_check_alloc_available(dev, 1)) { /* Not enough space to allocate unless we're allowed to use the reserve. */ return -1; } - if (dev->nErasedBlocks < dev->param.nReservedBlocks - && dev->allocationPage == 0) { + if (dev->n_erased_blocks < dev->param.n_reserved_blocks + && dev->alloc_page == 0) { T(YAFFS_TRACE_ALLOCATE, (TSTR("Allocating reserve" TENDSTR))); } /* Next page please.... */ - if (dev->allocationBlock >= 0) { - bi = yaffs_GetBlockInfo(dev, dev->allocationBlock); + if (dev->alloc_block >= 0) { + bi = yaffs_get_block_info(dev, dev->alloc_block); - retVal = (dev->allocationBlock * dev->param.nChunksPerBlock) + - dev->allocationPage; - bi->pagesInUse++; - yaffs_SetChunkBit(dev, dev->allocationBlock, - dev->allocationPage); + retVal = (dev->alloc_block * dev->param.chunks_per_block) + + dev->alloc_page; + bi->pages_in_use++; + yaffs_set_chunk_bit(dev, dev->alloc_block, + dev->alloc_page); - dev->allocationPage++; + dev->alloc_page++; - dev->nFreeChunks--; + dev->n_free_chunks--; /* If the block is full set the state to full */ - if (dev->allocationPage >= dev->param.nChunksPerBlock) { - bi->blockState = YAFFS_BLOCK_STATE_FULL; - dev->allocationBlock = -1; + if (dev->alloc_page >= dev->param.chunks_per_block) { + bi->block_state = YAFFS_BLOCK_STATE_FULL; + dev->alloc_block = -1; } if (blockUsedPtr) @@ -2070,132 +2068,132 @@ static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, return -1; } -static int yaffs_GetErasedChunks(yaffs_Device *dev) +static int yaffs_get_erased_chunks(yaffs_dev_t *dev) { int n; - n = dev->nErasedBlocks * dev->param.nChunksPerBlock; + n = dev->n_erased_blocks * dev->param.chunks_per_block; - if (dev->allocationBlock > 0) - n += (dev->param.nChunksPerBlock - dev->allocationPage); + if (dev->alloc_block > 0) + n += (dev->param.chunks_per_block - dev->alloc_page); return n; } /* - * yaffs_SkipRestOfBlock() skips over the rest of the allocation block + * yaffs_skip_rest_of_block() skips over the rest of the allocation block * if we don't want to write to it. */ -void yaffs_SkipRestOfBlock(yaffs_Device *dev) +void yaffs_skip_rest_of_block(yaffs_dev_t *dev) { - if(dev->allocationBlock > 0){ - yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, dev->allocationBlock); - if(bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING){ - bi->blockState = YAFFS_BLOCK_STATE_FULL; - dev->allocationBlock = -1; + if(dev->alloc_block > 0){ + yaffs_block_info_t *bi = yaffs_get_block_info(dev, dev->alloc_block); + if(bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING){ + bi->block_state = YAFFS_BLOCK_STATE_FULL; + dev->alloc_block = -1; } } } -static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, +static int yaffs_gc_block(yaffs_dev_t *dev, int block, int wholeBlock) { int oldChunk; int newChunk; - int markNAND; + int mark_flash; int retVal = YAFFS_OK; int i; int isCheckpointBlock; int matchingChunk; int maxCopies; - int chunksBefore = yaffs_GetErasedChunks(dev); + int chunksBefore = yaffs_get_erased_chunks(dev); int chunksAfter; - yaffs_ExtendedTags tags; + yaffs_ext_tags tags; - yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, block); + yaffs_block_info_t *bi = yaffs_get_block_info(dev, block); - yaffs_Object *object; + yaffs_obj_t *object; - isCheckpointBlock = (bi->blockState == YAFFS_BLOCK_STATE_CHECKPOINT); + isCheckpointBlock = (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT); T(YAFFS_TRACE_TRACING, (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR), block, - bi->pagesInUse, - bi->hasShrinkHeader, + bi->pages_in_use, + bi->has_shrink_hdr, wholeBlock)); - /*yaffs_VerifyFreeChunks(dev); */ + /*yaffs_verify_free_chunks(dev); */ - if(bi->blockState == YAFFS_BLOCK_STATE_FULL) - bi->blockState = YAFFS_BLOCK_STATE_COLLECTING; + if(bi->block_state == YAFFS_BLOCK_STATE_FULL) + bi->block_state = YAFFS_BLOCK_STATE_COLLECTING; - bi->hasShrinkHeader = 0; /* clear the flag so that the block can erase */ + bi->has_shrink_hdr = 0; /* clear the flag so that the block can erase */ - dev->gcDisable = 1; + dev->gc_disable = 1; if (isCheckpointBlock || - !yaffs_StillSomeChunkBits(dev, block)) { + !yaffs_still_some_chunks(dev, block)) { T(YAFFS_TRACE_TRACING, (TSTR ("Collecting block %d that has no chunks in use" TENDSTR), block)); - yaffs_BlockBecameDirty(dev, block); + yaffs_block_became_dirty(dev, block); } else { - __u8 *buffer = yaffs_GetTempBuffer(dev, __LINE__); + __u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__); - yaffs_VerifyBlock(dev, bi, block); + yaffs_verify_blk(dev, bi, block); - maxCopies = (wholeBlock) ? dev->param.nChunksPerBlock : 5; - oldChunk = block * dev->param.nChunksPerBlock + dev->gcChunk; + maxCopies = (wholeBlock) ? dev->param.chunks_per_block : 5; + oldChunk = block * dev->param.chunks_per_block + dev->gc_chunk; for (/* init already done */; retVal == YAFFS_OK && - dev->gcChunk < dev->param.nChunksPerBlock && - (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) && + dev->gc_chunk < dev->param.chunks_per_block && + (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) && maxCopies > 0; - dev->gcChunk++, oldChunk++) { - if (yaffs_CheckChunkBit(dev, block, dev->gcChunk)) { + dev->gc_chunk++, oldChunk++) { + if (yaffs_check_chunk_bit(dev, block, dev->gc_chunk)) { /* This page is in use and might need to be copied off */ maxCopies--; - markNAND = 1; + mark_flash = 1; - yaffs_InitialiseTags(&tags); + yaffs_init_tags(&tags); - yaffs_ReadChunkWithTagsFromNAND(dev, oldChunk, + yaffs_rd_chunk_tags_nand(dev, oldChunk, buffer, &tags); object = - yaffs_FindObjectByNumber(dev, - tags.objectId); + yaffs_find_by_number(dev, + tags.obj_id); T(YAFFS_TRACE_GC_DETAIL, (TSTR ("Collecting chunk in block %d, %d %d %d " TENDSTR), - dev->gcChunk, tags.objectId, tags.chunkId, - tags.byteCount)); + dev->gc_chunk, tags.obj_id, tags.chunk_id, + tags.n_bytes)); - if (object && !yaffs_SkipVerification(dev)) { - if (tags.chunkId == 0) - matchingChunk = object->hdrChunk; - else if (object->softDeleted) + if (object && !yaffs_skip_verification(dev)) { + if (tags.chunk_id == 0) + matchingChunk = object->hdr_chunk; + else if (object->soft_del) matchingChunk = oldChunk; /* Defeat the test */ else - matchingChunk = yaffs_FindChunkInFile(object, tags.chunkId, NULL); + matchingChunk = yaffs_find_chunk_in_file(object, tags.chunk_id, 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)); + oldChunk, matchingChunk, tags.obj_id, tags.chunk_id)); } @@ -2204,13 +2202,13 @@ static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, (TSTR ("page %d in gc has no object: %d %d %d " TENDSTR), oldChunk, - tags.objectId, tags.chunkId, tags.byteCount)); + tags.obj_id, tags.chunk_id, tags.n_bytes)); } if (object && object->deleted && - object->softDeleted && - tags.chunkId != 0) { + object->soft_del && + tags.chunk_id != 0) { /* Data chunk in a soft deleted file, throw it away * It's a soft deleted data chunk, * No need to copy this, just forget about it and @@ -2222,29 +2220,29 @@ static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, * which will increment free chunks. * We have to decrement free chunks so this works out properly. */ - dev->nFreeChunks--; - bi->softDeletions--; + dev->n_free_chunks--; + bi->soft_del_pages--; - object->nDataChunks--; + object->n_data_chunks--; - if (object->nDataChunks <= 0) { + if (object->n_data_chunks <= 0) { /* remeber to clean up the object */ - dev->gcCleanupList[dev->nCleanups] = - tags.objectId; - dev->nCleanups++; + dev->gc_cleanup_list[dev->n_clean_ups] = + tags.obj_id; + dev->n_clean_ups++; } - markNAND = 0; + mark_flash = 0; } else if (0) { - /* Todo object && object->deleted && object->nDataChunks == 0 */ + /* Todo object && object->deleted && object->n_data_chunks == 0 */ /* Deleted object header with no data chunks. * Can be discarded and the file deleted. */ - object->hdrChunk = 0; - yaffs_FreeTnode(object->myDev, + object->hdr_chunk = 0; + yaffs_free_tnode(object->my_dev, object->variant. - fileVariant.top); - object->variant.fileVariant.top = NULL; - yaffs_DoGenericObjectDeletion(object); + file_variant.top); + object->variant.file_variant.top = NULL; + yaffs_generic_obj_del(object); } else if (object) { /* It's either a data chunk in a live file or @@ -2252,11 +2250,11 @@ static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, * NB Need to keep the ObjectHeaders of deleted files * until the whole file has been deleted off */ - tags.serialNumber++; + tags.serial_number++; - dev->nGCCopies++; + dev->n_gc_copies++; - if (tags.chunkId == 0) { + if (tags.chunk_id == 0) { /* It is an object Id, * We need to nuke the shrinkheader flags first * Also need to clean up shadowing. @@ -2264,28 +2262,28 @@ static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, * and if it is left in place it will mess up scanning. */ - yaffs_ObjectHeader *oh; - oh = (yaffs_ObjectHeader *)buffer; + yaffs_obj_header *oh; + oh = (yaffs_obj_header *)buffer; - oh->isShrink = 0; - tags.extraIsShrinkHeader = 0; + oh->is_shrink = 0; + tags.extra_is_shrink = 0; - oh->shadowsObject = 0; - oh->inbandShadowsObject = 0; - tags.extraShadows = 0; + oh->shadows_obj = 0; + oh->inband_shadowed_obj_id = 0; + tags.extra_shadows = 0; /* Update file size */ - if(object->variantType == YAFFS_OBJECT_TYPE_FILE){ - oh->fileSize = object->variant.fileVariant.fileSize; - tags.extraFileLength = oh->fileSize; + if(object->variant_type == YAFFS_OBJECT_TYPE_FILE){ + oh->file_size = object->variant.file_variant.file_size; + tags.extra_length = oh->file_size; } - yaffs_VerifyObjectHeader(object, oh, &tags, 1); + yaffs_verify_oh(object, oh, &tags, 1); newChunk = - yaffs_WriteNewChunkWithTagsToNAND(dev,(__u8 *) oh, &tags, 1); + yaffs_write_new_chunk(dev,(__u8 *) oh, &tags, 1); } else newChunk = - yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &tags, 1); + yaffs_write_new_chunk(dev, buffer, &tags, 1); if (newChunk < 0) { retVal = YAFFS_FAIL; @@ -2293,80 +2291,80 @@ static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, /* Ok, now fix up the Tnodes etc. */ - if (tags.chunkId == 0) { + if (tags.chunk_id == 0) { /* It's a header */ - object->hdrChunk = newChunk; - object->serial = tags.serialNumber; + object->hdr_chunk = newChunk; + object->serial = tags.serial_number; } else { /* It's a data chunk */ int ok; - ok = yaffs_PutChunkIntoFile + ok = yaffs_put_chunk_in_file (object, - tags.chunkId, + tags.chunk_id, newChunk, 0); } } } if (retVal == YAFFS_OK) - yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__); + yaffs_chunk_del(dev, oldChunk, mark_flash, __LINE__); } } - yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); + yaffs_release_temp_buffer(dev, buffer, __LINE__); } - yaffs_VerifyCollectedBlock(dev, bi, block); + yaffs_verify_collected_blk(dev, bi, block); - if (bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) { + if (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) { /* * The gc did not complete. Set block state back to FULL * because checkpointing does not restore gc. */ - bi->blockState = YAFFS_BLOCK_STATE_FULL; + bi->block_state = YAFFS_BLOCK_STATE_FULL; } else { /* The gc completed. */ /* Do any required cleanups */ - for (i = 0; i < dev->nCleanups; i++) { + for (i = 0; i < dev->n_clean_ups; i++) { /* Time to delete the file too */ object = - yaffs_FindObjectByNumber(dev, - dev->gcCleanupList[i]); + yaffs_find_by_number(dev, + dev->gc_cleanup_list[i]); if (object) { - yaffs_FreeTnode(dev, - object->variant.fileVariant. + yaffs_free_tnode(dev, + object->variant.file_variant. top); - object->variant.fileVariant.top = NULL; + object->variant.file_variant.top = NULL; T(YAFFS_TRACE_GC, (TSTR ("yaffs: About to finally delete object %d" - TENDSTR), object->objectId)); - yaffs_DoGenericObjectDeletion(object); - object->myDev->nDeletedFiles--; + TENDSTR), object->obj_id)); + yaffs_generic_obj_del(object); + object->my_dev->n_deleted_files--; } } - chunksAfter = yaffs_GetErasedChunks(dev); + chunksAfter = yaffs_get_erased_chunks(dev); if (chunksBefore >= chunksAfter) { T(YAFFS_TRACE_GC, (TSTR ("gc did not increase free chunks before %d after %d" TENDSTR), chunksBefore, chunksAfter)); } - dev->gcBlock = 0; - dev->gcChunk = 0; - dev->nCleanups = 0; + dev->gc_block = 0; + dev->gc_chunk = 0; + dev->n_clean_ups = 0; } - dev->gcDisable = 0; + dev->gc_disable = 0; return retVal; } @@ -2376,7 +2374,7 @@ static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, * for garbage collection. */ -static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, +static unsigned yaffs_find_gc_block(yaffs_dev_t *dev, int aggressive, int background) { @@ -2385,21 +2383,21 @@ static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, unsigned selected = 0; int prioritised = 0; int prioritisedExists = 0; - yaffs_BlockInfo *bi; + yaffs_block_info_t *bi; int threshold; /* First let's see if we need to grab a prioritised block */ - if (dev->hasPendingPrioritisedGCs && !aggressive) { - dev->gcDirtiest = 0; - bi = dev->blockInfo; - for (i = dev->internalStartBlock; - i <= dev->internalEndBlock && !selected; + if (dev->has_pending_prioritised_gc && !aggressive) { + dev->gc_dirtiest = 0; + bi = dev->block_info; + for (i = dev->internal_start_block; + i <= dev->internal_end_block && !selected; i++) { - if (bi->gcPrioritise) { + if (bi->gc_prioritise) { prioritisedExists = 1; - if (bi->blockState == YAFFS_BLOCK_STATE_FULL && - yaffs2_BlockNotDisqualifiedFromGC(dev, bi)) { + if (bi->block_state == YAFFS_BLOCK_STATE_FULL && + yaffs_block_ok_for_gc(dev, bi)) { selected = i; prioritised = 1; } @@ -2415,11 +2413,11 @@ static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, if(prioritisedExists && !selected && - dev->oldestDirtyBlock > 0) - selected = dev->oldestDirtyBlock; + dev->oldest_dirty_block > 0) + selected = dev->oldest_dirty_block; if (!prioritisedExists) /* None found, so we can clear this */ - dev->hasPendingPrioritisedGCs = 0; + dev->has_pending_prioritised_gc = 0; } /* If we're doing aggressive GC then we are happy to take a less-dirty block, and @@ -2430,23 +2428,23 @@ static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, if (!selected){ int pagesUsed; - int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; + int nBlocks = dev->internal_end_block - dev->internal_start_block + 1; if (aggressive){ - threshold = dev->param.nChunksPerBlock; + threshold = dev->param.chunks_per_block; iterations = nBlocks; } else { int maxThreshold; if(background) - maxThreshold = dev->param.nChunksPerBlock/2; + maxThreshold = dev->param.chunks_per_block/2; else - maxThreshold = dev->param.nChunksPerBlock/8; + maxThreshold = dev->param.chunks_per_block/8; if(maxThreshold < YAFFS_GC_PASSIVE_THRESHOLD) maxThreshold = YAFFS_GC_PASSIVE_THRESHOLD; threshold = background ? - (dev->gcNotDone + 2) * 2 : 0; + (dev->gc_not_done + 2) * 2 : 0; if(threshold maxThreshold) @@ -2459,29 +2457,29 @@ static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, for (i = 0; i < iterations && - (dev->gcDirtiest < 1 || - dev->gcPagesInUse > YAFFS_GC_GOOD_ENOUGH); + (dev->gc_dirtiest < 1 || + dev->gc_pages_in_use > YAFFS_GC_GOOD_ENOUGH); i++) { - dev->gcBlockFinder++; - if (dev->gcBlockFinder < dev->internalStartBlock || - dev->gcBlockFinder > dev->internalEndBlock) - dev->gcBlockFinder = dev->internalStartBlock; + dev->gc_block_finder++; + if (dev->gc_block_finder < dev->internal_start_block || + dev->gc_block_finder > dev->internal_end_block) + dev->gc_block_finder = dev->internal_start_block; - bi = yaffs_GetBlockInfo(dev, dev->gcBlockFinder); + bi = yaffs_get_block_info(dev, dev->gc_block_finder); - pagesUsed = bi->pagesInUse - bi->softDeletions; + pagesUsed = bi->pages_in_use - bi->soft_del_pages; - if (bi->blockState == YAFFS_BLOCK_STATE_FULL && - pagesUsed < dev->param.nChunksPerBlock && - (dev->gcDirtiest < 1 || pagesUsed < dev->gcPagesInUse) && - yaffs2_BlockNotDisqualifiedFromGC(dev, bi)) { - dev->gcDirtiest = dev->gcBlockFinder; - dev->gcPagesInUse = pagesUsed; + if (bi->block_state == YAFFS_BLOCK_STATE_FULL && + pagesUsed < dev->param.chunks_per_block && + (dev->gc_dirtiest < 1 || pagesUsed < dev->gc_pages_in_use) && + yaffs_block_ok_for_gc(dev, bi)) { + dev->gc_dirtiest = dev->gc_block_finder; + dev->gc_pages_in_use = pagesUsed; } } - if(dev->gcDirtiest > 0 && dev->gcPagesInUse <= threshold) - selected = dev->gcDirtiest; + if(dev->gc_dirtiest > 0 && dev->gc_pages_in_use <= threshold) + selected = dev->gc_dirtiest; } /* @@ -2489,43 +2487,43 @@ static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, * because that's gumming up the works. */ - if(!selected && dev->param.isYaffs2 && - dev->gcNotDone >= ( background ? 10 : 20)){ - yaffs2_FindOldestDirtySequence(dev); - if(dev->oldestDirtyBlock > 0) { - selected = dev->oldestDirtyBlock; - dev->gcDirtiest = selected; - dev->oldestDirtyGCs++; - bi = yaffs_GetBlockInfo(dev, selected); - dev->gcPagesInUse = bi->pagesInUse - bi->softDeletions; + if(!selected && dev->param.is_yaffs2 && + dev->gc_not_done >= ( background ? 10 : 20)){ + yaffs2_find_oldest_dirty_seq(dev); + if(dev->oldest_dirty_block > 0) { + selected = dev->oldest_dirty_block; + dev->gc_dirtiest = selected; + dev->oldest_dirty_gc_count++; + bi = yaffs_get_block_info(dev, selected); + dev->gc_pages_in_use = bi->pages_in_use - bi->soft_del_pages; } else - dev->gcNotDone = 0; + dev->gc_not_done = 0; } if(selected){ T(YAFFS_TRACE_GC, (TSTR("GC Selected block %d with %d free, prioritised:%d" TENDSTR), selected, - dev->param.nChunksPerBlock - dev->gcPagesInUse, + dev->param.chunks_per_block - dev->gc_pages_in_use, prioritised)); - dev->nGCBlocks++; + dev->n_gc_blocks++; if(background) - dev->backgroundGCs++; + dev->bg_gcs++; - dev->gcDirtiest = 0; - dev->gcPagesInUse = 0; - dev->gcNotDone = 0; - if(dev->refreshSkip > 0) - dev->refreshSkip--; + dev->gc_dirtiest = 0; + dev->gc_pages_in_use = 0; + dev->gc_not_done = 0; + if(dev->refresh_skip > 0) + dev->refresh_skip--; } else{ - dev->gcNotDone++; + dev->gc_not_done++; T(YAFFS_TRACE_GC, (TSTR("GC none: finder %d skip %d threshold %d dirtiest %d using %d oldest %d%s" TENDSTR), - dev->gcBlockFinder, dev->gcNotDone, + dev->gc_block_finder, dev->gc_not_done, threshold, - dev->gcDirtiest, dev->gcPagesInUse, - dev->oldestDirtyBlock, + dev->gc_dirtiest, dev->gc_pages_in_use, + dev->oldest_dirty_block, background ? " bg" : "")); } @@ -2541,7 +2539,7 @@ static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, * The idea is to help clear out space in a more spread-out manner. * Dunno if it really does anything useful. */ -static int yaffs_CheckGarbageCollection(yaffs_Device *dev, int background) +static int yaffs_check_gc(yaffs_dev_t *dev, int background) { int aggressive = 0; int gcOk = YAFFS_OK; @@ -2550,11 +2548,11 @@ static int yaffs_CheckGarbageCollection(yaffs_Device *dev, int background) int erasedChunks; int checkpointBlockAdjust; - if(dev->param.gcControl && - (dev->param.gcControl(dev) & 1) == 0) + if(dev->param.gc_control && + (dev->param.gc_control(dev) & 1) == 0) return YAFFS_OK; - if (dev->gcDisable) { + if (dev->gc_disable) { /* Bail out so we don't get recursive gc */ return YAFFS_OK; } @@ -2566,136 +2564,136 @@ static int yaffs_CheckGarbageCollection(yaffs_Device *dev, int background) do { maxTries++; - checkpointBlockAdjust = yaffs2_CalcCheckpointBlocksRequired(dev); + checkpointBlockAdjust = yaffs_calc_checkpt_blocks_required(dev); - minErased = dev->param.nReservedBlocks + checkpointBlockAdjust + 1; - erasedChunks = dev->nErasedBlocks * dev->param.nChunksPerBlock; + minErased = dev->param.n_reserved_blocks + checkpointBlockAdjust + 1; + erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block; /* If we need a block soon then do aggressive gc.*/ - if (dev->nErasedBlocks < minErased) + if (dev->n_erased_blocks < minErased) aggressive = 1; else { - if(!background && erasedChunks > (dev->nFreeChunks / 4)) + if(!background && erasedChunks > (dev->n_free_chunks / 4)) break; - if(dev->gcSkip > 20) - dev->gcSkip = 20; - if(erasedChunks < dev->nFreeChunks/2 || - dev->gcSkip < 1 || + if(dev->gc_skip > 20) + dev->gc_skip = 20; + if(erasedChunks < dev->n_free_chunks/2 || + dev->gc_skip < 1 || background) aggressive = 0; else { - dev->gcSkip--; + dev->gc_skip--; break; } } - dev->gcSkip = 5; + dev->gc_skip = 5; /* If we don't already have a block being gc'd then see if we should start another */ - if (dev->gcBlock < 1 && !aggressive) { - dev->gcBlock = yaffs2_FindRefreshBlock(dev); - dev->gcChunk = 0; - dev->nCleanups=0; + if (dev->gc_block < 1 && !aggressive) { + dev->gc_block = yaffs2_find_refresh_block(dev); + dev->gc_chunk = 0; + dev->n_clean_ups=0; } - if (dev->gcBlock < 1) { - dev->gcBlock = yaffs_FindBlockForGarbageCollection(dev, aggressive, background); - dev->gcChunk = 0; - dev->nCleanups=0; + if (dev->gc_block < 1) { + dev->gc_block = yaffs_find_gc_block(dev, aggressive, background); + dev->gc_chunk = 0; + dev->n_clean_ups=0; } - if (dev->gcBlock > 0) { - dev->allGCs++; + if (dev->gc_block > 0) { + dev->all_gcs++; if (!aggressive) - dev->passiveGCs++; + dev->passive_gc_count++; T(YAFFS_TRACE_GC, (TSTR ("yaffs: GC erasedBlocks %d aggressive %d" TENDSTR), - dev->nErasedBlocks, aggressive)); + dev->n_erased_blocks, aggressive)); - gcOk = yaffs_GarbageCollectBlock(dev, dev->gcBlock, aggressive); + gcOk = yaffs_gc_block(dev, dev->gc_block, aggressive); } - if (dev->nErasedBlocks < (dev->param.nReservedBlocks) && dev->gcBlock > 0) { + if (dev->n_erased_blocks < (dev->param.n_reserved_blocks) && dev->gc_block > 0) { T(YAFFS_TRACE_GC, (TSTR ("yaffs: GC !!!no reclaim!!! erasedBlocks %d after try %d block %d" - TENDSTR), dev->nErasedBlocks, maxTries, dev->gcBlock)); + TENDSTR), dev->n_erased_blocks, maxTries, dev->gc_block)); } - } while ((dev->nErasedBlocks < dev->param.nReservedBlocks) && - (dev->gcBlock > 0) && + } while ((dev->n_erased_blocks < dev->param.n_reserved_blocks) && + (dev->gc_block > 0) && (maxTries < 2)); return aggressive ? gcOk : YAFFS_OK; } /* - * yaffs_BackgroundGarbageCollect() + * yaffs_bg_gc() * Garbage collects. Intended to be called from a background thread. * Returns non-zero if at least half the free chunks are erased. */ -int yaffs_BackgroundGarbageCollect(yaffs_Device *dev, unsigned urgency) +int yaffs_bg_gc(yaffs_dev_t *dev, unsigned urgency) { - int erasedChunks = dev->nErasedBlocks * dev->param.nChunksPerBlock; + int erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block; T(YAFFS_TRACE_BACKGROUND, (TSTR("Background gc %u" TENDSTR),urgency)); - yaffs_CheckGarbageCollection(dev, 1); - return erasedChunks > dev->nFreeChunks/2; + yaffs_check_gc(dev, 1); + return erasedChunks > dev->n_free_chunks/2; } /*------------------------- TAGS --------------------------------*/ -static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId, +static int yaffs_tags_match(const yaffs_ext_tags *tags, int obj_id, int chunkInObject) { - return (tags->chunkId == chunkInObject && - tags->objectId == objectId && !tags->chunkDeleted) ? 1 : 0; + return (tags->chunk_id == chunkInObject && + tags->obj_id == obj_id && !tags->is_deleted) ? 1 : 0; } /*-------------------- Data file manipulation -----------------*/ -static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode, - yaffs_ExtendedTags *tags) +static int yaffs_find_chunk_in_file(yaffs_obj_t *in, int inode_chunk, + yaffs_ext_tags *tags) { /*Get the Tnode, then get the level 0 offset chunk offset */ - yaffs_Tnode *tn; + yaffs_tnode_t *tn; int theChunk = -1; - yaffs_ExtendedTags localTags; + yaffs_ext_tags localTags; int retVal = -1; - yaffs_Device *dev = in->myDev; + yaffs_dev_t *dev = in->my_dev; if (!tags) { /* Passed a NULL, so use our own tags space */ tags = &localTags; } - tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode); + tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk); if (tn) { - theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode); + theChunk = yaffs_get_group_base(dev, tn, inode_chunk); retVal = - yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId, - chunkInInode); + yaffs_find_chunk_in_group(dev, theChunk, tags, in->obj_id, + inode_chunk); } return retVal; } -static int yaffs_FindAndDeleteChunkInFile(yaffs_Object *in, int chunkInInode, - yaffs_ExtendedTags *tags) +static int yaffs_find_del_file_chunk(yaffs_obj_t *in, int inode_chunk, + yaffs_ext_tags *tags) { /* Get the Tnode, then get the level 0 offset chunk offset */ - yaffs_Tnode *tn; + yaffs_tnode_t *tn; int theChunk = -1; - yaffs_ExtendedTags localTags; + yaffs_ext_tags localTags; - yaffs_Device *dev = in->myDev; + yaffs_dev_t *dev = in->my_dev; int retVal = -1; if (!tags) { @@ -2703,47 +2701,47 @@ static int yaffs_FindAndDeleteChunkInFile(yaffs_Object *in, int chunkInInode, tags = &localTags; } - tn = yaffs_FindLevel0Tnode(dev, &in->variant.fileVariant, chunkInInode); + tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk); if (tn) { - theChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode); + theChunk = yaffs_get_group_base(dev, tn, inode_chunk); retVal = - yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId, - chunkInInode); + yaffs_find_chunk_in_group(dev, theChunk, tags, in->obj_id, + inode_chunk); /* Delete the entry in the filestructure (if found) */ if (retVal != -1) - yaffs_LoadLevel0Tnode(dev, tn, chunkInInode, 0); + yaffs_load_tnode_0(dev, tn, inode_chunk, 0); } return retVal; } -int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, - int chunkInNAND, int inScan) +int yaffs_put_chunk_in_file(yaffs_obj_t *in, int inode_chunk, + int nand_chunk, int in_scan) { - /* NB inScan is zero unless scanning. - * For forward scanning, inScan is > 0; - * for backward scanning inScan is < 0 + /* NB in_scan is zero unless scanning. + * For forward scanning, in_scan is > 0; + * for backward scanning in_scan is < 0 * - * chunkInNAND = 0 is a dummy insert to make sure the tnodes are there. + * nand_chunk = 0 is a dummy insert to make sure the tnodes are there. */ - yaffs_Tnode *tn; - yaffs_Device *dev = in->myDev; + yaffs_tnode_t *tn; + yaffs_dev_t *dev = in->my_dev; int existingChunk; - yaffs_ExtendedTags existingTags; - yaffs_ExtendedTags newTags; + yaffs_ext_tags existingTags; + yaffs_ext_tags newTags; unsigned existingSerial, newSerial; - if (in->variantType != YAFFS_OBJECT_TYPE_FILE) { + if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) { /* Just ignore an attempt at putting a chunk into a non-file during scanning * If it is not during Scanning then something went wrong! */ - if (!inScan) { + if (!in_scan) { T(YAFFS_TRACE_ERROR, (TSTR ("yaffs tragedy:attempt to put data chunk into a non-file" @@ -2751,24 +2749,24 @@ int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, YBUG(); } - yaffs_DeleteChunk(dev, chunkInNAND, 1, __LINE__); + yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); return YAFFS_OK; } - tn = yaffs_AddOrFindLevel0Tnode(dev, - &in->variant.fileVariant, - chunkInInode, + tn = yaffs_add_find_tnode_0(dev, + &in->variant.file_variant, + inode_chunk, NULL); if (!tn) return YAFFS_FAIL; - if(!chunkInNAND) + if(!nand_chunk) /* Dummy insert, bail now */ return YAFFS_OK; - existingChunk = yaffs_GetChunkGroupBase(dev, tn, chunkInInode); + existingChunk = yaffs_get_group_base(dev, tn, inode_chunk); - if (inScan != 0) { + if (in_scan != 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 * happen when the power fails during a write, then only one @@ -2779,7 +2777,7 @@ int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, */ if (existingChunk > 0) { - /* NB Right now existing chunk will not be real chunkId if the chunk group size > 1 + /* NB Right now existing chunk will not be real chunk_id if the chunk group size > 1 * thus we have to do a FindChunkInFile to get the real chunk id. * * We have a duplicate now we need to decide which one to use: @@ -2789,15 +2787,15 @@ int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, * YAFFS1: Get both sets of tags and compare serial numbers. */ - if (inScan > 0) { + if (in_scan > 0) { /* Only do this for forward scanning */ - yaffs_ReadChunkWithTagsFromNAND(dev, - chunkInNAND, + yaffs_rd_chunk_tags_nand(dev, + nand_chunk, NULL, &newTags); /* Do a proper find */ existingChunk = - yaffs_FindChunkInFile(in, chunkInInode, + yaffs_find_chunk_in_file(in, inode_chunk, &existingTags); } @@ -2815,26 +2813,26 @@ int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, * not be loaded during a scan */ - if (inScan > 0) { - newSerial = newTags.serialNumber; - existingSerial = existingTags.serialNumber; + if (in_scan > 0) { + newSerial = newTags.serial_number; + existingSerial = existingTags.serial_number; } - if ((inScan > 0) && + if ((in_scan > 0) && (existingChunk <= 0 || ((existingSerial + 1) & 3) == newSerial)) { /* Forward scanning. * Use new * Delete the old one and drop through to update the tnode */ - yaffs_DeleteChunk(dev, existingChunk, 1, + yaffs_chunk_del(dev, existingChunk, 1, __LINE__); } else { /* Backward scanning or we want to use the existing one * Use existing. * Delete the new one and return early so that the tnode isn't changed */ - yaffs_DeleteChunk(dev, chunkInNAND, 1, + yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); return YAFFS_OK; } @@ -2843,98 +2841,98 @@ int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, } if (existingChunk == 0) - in->nDataChunks++; + in->n_data_chunks++; - yaffs_LoadLevel0Tnode(dev, tn, chunkInInode, chunkInNAND); + yaffs_load_tnode_0(dev, tn, inode_chunk, nand_chunk); return YAFFS_OK; } -static int yaffs_ReadChunkDataFromObject(yaffs_Object *in, int chunkInInode, +static int yaffs_rd_data_obj(yaffs_obj_t *in, int inode_chunk, __u8 *buffer) { - int chunkInNAND = yaffs_FindChunkInFile(in, chunkInInode, NULL); + int nand_chunk = yaffs_find_chunk_in_file(in, inode_chunk, NULL); - if (chunkInNAND >= 0) - return yaffs_ReadChunkWithTagsFromNAND(in->myDev, chunkInNAND, + if (nand_chunk >= 0) + return yaffs_rd_chunk_tags_nand(in->my_dev, nand_chunk, buffer, NULL); else { T(YAFFS_TRACE_NANDACCESS, (TSTR("Chunk %d not found zero instead" TENDSTR), - chunkInNAND)); + nand_chunk)); /* get sane (zero) data if you read a hole */ - memset(buffer, 0, in->myDev->nDataBytesPerChunk); + memset(buffer, 0, in->my_dev->data_bytes_per_chunk); return 0; } } -void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn) +void yaffs_chunk_del(yaffs_dev_t *dev, int chunk_id, int mark_flash, int lyn) { int block; int page; - yaffs_ExtendedTags tags; - yaffs_BlockInfo *bi; + yaffs_ext_tags tags; + yaffs_block_info_t *bi; - if (chunkId <= 0) + if (chunk_id <= 0) return; - dev->nDeletions++; - block = chunkId / dev->param.nChunksPerBlock; - page = chunkId % dev->param.nChunksPerBlock; + dev->n_deletions++; + block = chunk_id / dev->param.chunks_per_block; + page = chunk_id % dev->param.chunks_per_block; - if (!yaffs_CheckChunkBit(dev, block, page)) + if (!yaffs_check_chunk_bit(dev, block, page)) T(YAFFS_TRACE_VERIFY, (TSTR("Deleting invalid chunk %d"TENDSTR), - chunkId)); + chunk_id)); - bi = yaffs_GetBlockInfo(dev, block); + bi = yaffs_get_block_info(dev, block); - yaffs2_UpdateOldestDirtySequence(dev, block, bi); + yaffs2_update_oldest_dirty_seq(dev, block, bi); T(YAFFS_TRACE_DELETION, - (TSTR("line %d delete of chunk %d" TENDSTR), lyn, chunkId)); + (TSTR("line %d delete of chunk %d" TENDSTR), lyn, chunk_id)); - if (!dev->param.isYaffs2 && markNAND && - bi->blockState != YAFFS_BLOCK_STATE_COLLECTING) { + if (!dev->param.is_yaffs2 && mark_flash && + bi->block_state != YAFFS_BLOCK_STATE_COLLECTING) { - yaffs_InitialiseTags(&tags); + yaffs_init_tags(&tags); - tags.chunkDeleted = 1; + tags.is_deleted = 1; - yaffs_WriteChunkWithTagsToNAND(dev, chunkId, NULL, &tags); - yaffs_HandleUpdateChunk(dev, chunkId, &tags); + yaffs_wr_chunk_tags_nand(dev, chunk_id, NULL, &tags); + yaffs_handle_chunk_update(dev, chunk_id, &tags); } else { - dev->nUnmarkedDeletions++; + dev->n_unmarked_deletions++; } /* Pull out of the management area. * If the whole block became dirty, this will kick off an erasure. */ - if (bi->blockState == YAFFS_BLOCK_STATE_ALLOCATING || - bi->blockState == YAFFS_BLOCK_STATE_FULL || - bi->blockState == YAFFS_BLOCK_STATE_NEEDS_SCANNING || - bi->blockState == YAFFS_BLOCK_STATE_COLLECTING) { - dev->nFreeChunks++; + if (bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING || + bi->block_state == YAFFS_BLOCK_STATE_FULL || + bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCANNING || + bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) { + dev->n_free_chunks++; - yaffs_ClearChunkBit(dev, block, page); + yaffs_clear_chunk_bit(dev, block, page); - bi->pagesInUse--; + bi->pages_in_use--; - if (bi->pagesInUse == 0 && - !bi->hasShrinkHeader && - bi->blockState != YAFFS_BLOCK_STATE_ALLOCATING && - bi->blockState != YAFFS_BLOCK_STATE_NEEDS_SCANNING) { - yaffs_BlockBecameDirty(dev, block); + if (bi->pages_in_use == 0 && + !bi->has_shrink_hdr && + bi->block_state != YAFFS_BLOCK_STATE_ALLOCATING && + bi->block_state != YAFFS_BLOCK_STATE_NEEDS_SCANNING) { + yaffs_block_became_dirty(dev, block); } } } -static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode, - const __u8 *buffer, int nBytes, +static int yaffs_wr_data_obj(yaffs_obj_t *in, int inode_chunk, + const __u8 *buffer, int n_bytes, int useReserve) { /* Find old chunk Need to do this to get serial number @@ -2943,51 +2941,51 @@ static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode, */ int prevChunkId; - yaffs_ExtendedTags prevTags; + yaffs_ext_tags prevTags; int newChunkId; - yaffs_ExtendedTags newTags; + yaffs_ext_tags newTags; - yaffs_Device *dev = in->myDev; + yaffs_dev_t *dev = in->my_dev; - yaffs_CheckGarbageCollection(dev,0); + yaffs_check_gc(dev,0); /* Get the previous chunk at this location in the file if it exists. * If it does not exist then put a zero into the tree. This creates * the tnode now, rather than later when it is harder to clean up. */ - prevChunkId = yaffs_FindChunkInFile(in, chunkInInode, &prevTags); + prevChunkId = yaffs_find_chunk_in_file(in, inode_chunk, &prevTags); if(prevChunkId < 1 && - !yaffs_PutChunkIntoFile(in, chunkInInode, 0, 0)) + !yaffs_put_chunk_in_file(in, inode_chunk, 0, 0)) return 0; /* Set up new tags */ - yaffs_InitialiseTags(&newTags); + yaffs_init_tags(&newTags); - newTags.chunkId = chunkInInode; - newTags.objectId = in->objectId; - newTags.serialNumber = - (prevChunkId > 0) ? prevTags.serialNumber + 1 : 1; - newTags.byteCount = nBytes; + newTags.chunk_id = inode_chunk; + newTags.obj_id = in->obj_id; + newTags.serial_number = + (prevChunkId > 0) ? prevTags.serial_number + 1 : 1; + newTags.n_bytes = n_bytes; - if (nBytes < 1 || nBytes > dev->param.totalBytesPerChunk) { + if (n_bytes < 1 || n_bytes > dev->param.total_bytes_per_chunk) { T(YAFFS_TRACE_ERROR, - (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), nBytes)); + (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), n_bytes)); YBUG(); } newChunkId = - yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags, + yaffs_write_new_chunk(dev, buffer, &newTags, useReserve); if (newChunkId > 0) { - yaffs_PutChunkIntoFile(in, chunkInInode, newChunkId, 0); + yaffs_put_chunk_in_file(in, inode_chunk, newChunkId, 0); if (prevChunkId > 0) - yaffs_DeleteChunk(dev, prevChunkId, 1, __LINE__); + yaffs_chunk_del(dev, prevChunkId, 1, __LINE__); - yaffs_VerifyFileSanity(in); + yaffs_verify_file_sane(in); } return newChunkId; @@ -2996,57 +2994,57 @@ static int yaffs_WriteChunkDataToObject(yaffs_Object *in, int chunkInInode, /* UpdateObjectHeader updates the header on NAND for an object. * If name is not NULL, then that new name is used. */ -int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force, - int isShrink, int shadows, yaffs_XAttrMod *xmod) +int yaffs_update_oh(yaffs_obj_t *in, const YCHAR *name, int force, + int is_shrink, int shadows, yaffs_xattr_mod *xmod) { - yaffs_BlockInfo *bi; + yaffs_block_info_t *bi; - yaffs_Device *dev = in->myDev; + yaffs_dev_t *dev = in->my_dev; int prevChunkId; int retVal = 0; int result = 0; int newChunkId; - yaffs_ExtendedTags newTags; - yaffs_ExtendedTags oldTags; - YCHAR *alias = NULL; + yaffs_ext_tags newTags; + yaffs_ext_tags oldTags; + const YCHAR *alias = NULL; __u8 *buffer = NULL; - YCHAR oldName[YAFFS_MAX_NAME_LENGTH + 1]; + YCHAR old_name[YAFFS_MAX_NAME_LENGTH + 1]; - yaffs_ObjectHeader *oh = NULL; + yaffs_obj_header *oh = NULL; - yaffs_strcpy(oldName, _Y("silly old name")); + yaffs_strcpy(old_name, _Y("silly old name")); if (!in->fake || - in == dev->rootDir || /* The rootDir should also be saved */ + in == dev->root_dir || /* The root_dir should also be saved */ force || xmod) { - yaffs_CheckGarbageCollection(dev,0); - yaffs_CheckObjectDetailsLoaded(in); + yaffs_check_gc(dev,0); + yaffs_check_obj_details_loaded(in); - buffer = yaffs_GetTempBuffer(in->myDev, __LINE__); - oh = (yaffs_ObjectHeader *) buffer; + buffer = yaffs_get_temp_buffer(in->my_dev, __LINE__); + oh = (yaffs_obj_header *) buffer; - prevChunkId = in->hdrChunk; + prevChunkId = in->hdr_chunk; if (prevChunkId > 0) { - result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId, + result = yaffs_rd_chunk_tags_nand(dev, prevChunkId, buffer, &oldTags); - yaffs_VerifyObjectHeader(in, oh, &oldTags, 0); + yaffs_verify_oh(in, oh, &oldTags, 0); - memcpy(oldName, oh->name, sizeof(oh->name)); - memset(buffer, 0xFF, sizeof(yaffs_ObjectHeader)); + memcpy(old_name, oh->name, sizeof(oh->name)); + memset(buffer, 0xFF, sizeof(yaffs_obj_header)); } else - memset(buffer, 0xFF, dev->nDataBytesPerChunk); + memset(buffer, 0xFF, dev->data_bytes_per_chunk); - oh->type = in->variantType; + oh->type = in->variant_type; oh->yst_mode = in->yst_mode; - oh->shadowsObject = oh->inbandShadowsObject = shadows; + oh->shadows_obj = oh->inband_shadowed_obj_id = shadows; #ifdef CONFIG_YAFFS_WINCE oh->win_atime[0] = in->win_atime[0]; @@ -3064,34 +3062,34 @@ int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force, oh->yst_rdev = in->yst_rdev; #endif if (in->parent) - oh->parentObjectId = in->parent->objectId; + oh->parent_obj_id = in->parent->obj_id; else - oh->parentObjectId = 0; + oh->parent_obj_id = 0; if (name && *name) { memset(oh->name, 0, sizeof(oh->name)); - yaffs_LoadObjectHeaderFromName(dev,oh->name,name); + yaffs_load_oh_from_name(dev,oh->name,name); } else if (prevChunkId > 0) - memcpy(oh->name, oldName, sizeof(oh->name)); + memcpy(oh->name, old_name, sizeof(oh->name)); else memset(oh->name, 0, sizeof(oh->name)); - oh->isShrink = isShrink; + oh->is_shrink = is_shrink; - switch (in->variantType) { + switch (in->variant_type) { case YAFFS_OBJECT_TYPE_UNKNOWN: /* Should not happen */ break; case YAFFS_OBJECT_TYPE_FILE: - oh->fileSize = - (oh->parentObjectId == YAFFS_OBJECTID_DELETED - || oh->parentObjectId == + oh->file_size = + (oh->parent_obj_id == YAFFS_OBJECTID_DELETED + || oh->parent_obj_id == YAFFS_OBJECTID_UNLINKED) ? 0 : in->variant. - fileVariant.fileSize; + file_variant.file_size; break; case YAFFS_OBJECT_TYPE_HARDLINK: - oh->equivalentObjectId = - in->variant.hardLinkVariant.equivalentObjectId; + oh->equiv_id = + in->variant.hardlink_variant.equiv_id; break; case YAFFS_OBJECT_TYPE_SPECIAL: /* Do nothing */ @@ -3100,7 +3098,7 @@ int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force, /* Do nothing */ break; case YAFFS_OBJECT_TYPE_SYMLINK: - alias = in->variant.symLinkVariant.alias; + alias = in->variant.symlink_variant.alias; if(!alias) alias = _Y("no alias"); yaffs_strncpy(oh->alias, @@ -3112,50 +3110,50 @@ int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force, /* process any xattrib modifications */ if(xmod) - yaffs_ApplyXMod(dev, (char *)buffer, xmod); + yaffs_apply_xattrib_mod(in, (char *)buffer, xmod); /* Tags */ - yaffs_InitialiseTags(&newTags); + yaffs_init_tags(&newTags); in->serial++; - newTags.chunkId = 0; - newTags.objectId = in->objectId; - newTags.serialNumber = in->serial; + newTags.chunk_id = 0; + newTags.obj_id = in->obj_id; + newTags.serial_number = in->serial; /* Add extra info for file header */ - newTags.extraHeaderInfoAvailable = 1; - newTags.extraParentObjectId = oh->parentObjectId; - newTags.extraFileLength = oh->fileSize; - newTags.extraIsShrinkHeader = oh->isShrink; - newTags.extraEquivalentObjectId = oh->equivalentObjectId; - newTags.extraShadows = (oh->shadowsObject > 0) ? 1 : 0; - newTags.extraObjectType = in->variantType; + newTags.extra_available = 1; + newTags.extra_parent_id = oh->parent_obj_id; + newTags.extra_length = oh->file_size; + newTags.extra_is_shrink = oh->is_shrink; + newTags.extra_equiv_id = oh->equiv_id; + newTags.extra_shadows = (oh->shadows_obj > 0) ? 1 : 0; + newTags.extra_obj_type = in->variant_type; - yaffs_VerifyObjectHeader(in, oh, &newTags, 1); + yaffs_verify_oh(in, oh, &newTags, 1); /* Create new chunk in NAND */ newChunkId = - yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags, + yaffs_write_new_chunk(dev, buffer, &newTags, (prevChunkId > 0) ? 1 : 0); if (newChunkId >= 0) { - in->hdrChunk = newChunkId; + in->hdr_chunk = newChunkId; if (prevChunkId > 0) { - yaffs_DeleteChunk(dev, prevChunkId, 1, + yaffs_chunk_del(dev, prevChunkId, 1, __LINE__); } - if (!yaffs_ObjectHasCachedWriteData(in)) + if (!yaffs_obj_cache_dirty(in)) in->dirty = 0; /* If this was a shrink, then mark the block that the chunk lives on */ - if (isShrink) { - bi = yaffs_GetBlockInfo(in->myDev, - newChunkId / in->myDev->param.nChunksPerBlock); - bi->hasShrinkHeader = 1; + if (is_shrink) { + bi = yaffs_get_block_info(in->my_dev, + newChunkId / in->my_dev->param.chunks_per_block); + bi->has_shrink_hdr = 1; } } @@ -3165,7 +3163,7 @@ int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force, } if (buffer) - yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); + yaffs_release_temp_buffer(dev, buffer, __LINE__); return retVal; } @@ -3183,15 +3181,15 @@ int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name, int force, * need a very intelligent search. */ -static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj) +static int yaffs_obj_cache_dirty(yaffs_obj_t *obj) { - yaffs_Device *dev = obj->myDev; + yaffs_dev_t *dev = obj->my_dev; int i; - yaffs_ChunkCache *cache; - int nCaches = obj->myDev->param.nShortOpCaches; + yaffs_cache_t *cache; + int nCaches = obj->my_dev->param.n_caches; for (i = 0; i < nCaches; i++) { - cache = &dev->srCache[i]; + cache = &dev->cache[i]; if (cache->object == obj && cache->dirty) return 1; @@ -3201,14 +3199,14 @@ static int yaffs_ObjectHasCachedWriteData(yaffs_Object *obj) } -static void yaffs_FlushFilesChunkCache(yaffs_Object *obj) +static void yaffs_flush_file_cache(yaffs_obj_t *obj) { - yaffs_Device *dev = obj->myDev; + yaffs_dev_t *dev = obj->my_dev; int lowest = -99; /* Stop compiler whining. */ int i; - yaffs_ChunkCache *cache; + yaffs_cache_t *cache; int chunkWritten = 0; - int nCaches = obj->myDev->param.nShortOpCaches; + int nCaches = obj->my_dev->param.n_caches; if (nCaches > 0) { do { @@ -3216,13 +3214,13 @@ static void yaffs_FlushFilesChunkCache(yaffs_Object *obj) /* Find the dirty cache for this object with the lowest chunk id. */ for (i = 0; i < nCaches; i++) { - if (dev->srCache[i].object == obj && - dev->srCache[i].dirty) { + if (dev->cache[i].object == obj && + dev->cache[i].dirty) { if (!cache - || dev->srCache[i].chunkId < + || dev->cache[i].chunk_id < lowest) { - cache = &dev->srCache[i]; - lowest = cache->chunkId; + cache = &dev->cache[i]; + lowest = cache->chunk_id; } } } @@ -3231,10 +3229,10 @@ static void yaffs_FlushFilesChunkCache(yaffs_Object *obj) /* Write it out and free it up */ chunkWritten = - yaffs_WriteChunkDataToObject(cache->object, - cache->chunkId, + yaffs_wr_data_obj(cache->object, + cache->chunk_id, cache->data, - cache->nBytes, + cache->n_bytes, 1); cache->dirty = 0; cache->object = NULL; @@ -3252,15 +3250,15 @@ static void yaffs_FlushFilesChunkCache(yaffs_Object *obj) } -/*yaffs_FlushEntireDeviceCache(dev) +/*yaffs_flush_whole_cache(dev) * * */ -void yaffs_FlushEntireDeviceCache(yaffs_Device *dev) +void yaffs_flush_whole_cache(yaffs_dev_t *dev) { - yaffs_Object *obj; - int nCaches = dev->param.nShortOpCaches; + yaffs_obj_t *obj; + int nCaches = dev->param.n_caches; int i; /* Find a dirty object in the cache and flush it... @@ -3269,13 +3267,13 @@ void yaffs_FlushEntireDeviceCache(yaffs_Device *dev) do { obj = NULL; for (i = 0; i < nCaches && !obj; i++) { - if (dev->srCache[i].object && - dev->srCache[i].dirty) - obj = dev->srCache[i].object; + if (dev->cache[i].object && + dev->cache[i].dirty) + obj = dev->cache[i].object; } if (obj) - yaffs_FlushFilesChunkCache(obj); + yaffs_flush_file_cache(obj); } while (obj); @@ -3287,32 +3285,32 @@ void yaffs_FlushEntireDeviceCache(yaffs_Device *dev) * Then look for the least recently used non-dirty one. * Then look for the least recently used dirty one...., flush and look again. */ -static yaffs_ChunkCache *yaffs_GrabChunkCacheWorker(yaffs_Device *dev) +static yaffs_cache_t *yaffs_grab_chunk_worker(yaffs_dev_t *dev) { int i; - if (dev->param.nShortOpCaches > 0) { - for (i = 0; i < dev->param.nShortOpCaches; i++) { - if (!dev->srCache[i].object) - return &dev->srCache[i]; + if (dev->param.n_caches > 0) { + for (i = 0; i < dev->param.n_caches; i++) { + if (!dev->cache[i].object) + return &dev->cache[i]; } } return NULL; } -static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev) +static yaffs_cache_t *yaffs_grab_chunk_cache(yaffs_dev_t *dev) { - yaffs_ChunkCache *cache; - yaffs_Object *theObj; + yaffs_cache_t *cache; + yaffs_obj_t *theObj; int usage; int i; int pushout; - if (dev->param.nShortOpCaches > 0) { + if (dev->param.n_caches > 0) { /* Try find a non-dirty one... */ - cache = yaffs_GrabChunkCacheWorker(dev); + cache = yaffs_grab_chunk_worker(dev); if (!cache) { /* They were all dirty, find the last recently used object and flush @@ -3328,21 +3326,21 @@ static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev) cache = NULL; pushout = -1; - for (i = 0; i < dev->param.nShortOpCaches; i++) { - if (dev->srCache[i].object && - !dev->srCache[i].locked && - (dev->srCache[i].lastUse < usage || !cache)) { - usage = dev->srCache[i].lastUse; - theObj = dev->srCache[i].object; - cache = &dev->srCache[i]; + for (i = 0; i < dev->param.n_caches; i++) { + if (dev->cache[i].object && + !dev->cache[i].locked && + (dev->cache[i].last_use < usage || !cache)) { + usage = dev->cache[i].last_use; + theObj = dev->cache[i].object; + cache = &dev->cache[i]; pushout = i; } } if (!cache || cache->dirty) { /* Flush and try again */ - yaffs_FlushFilesChunkCache(theObj); - cache = yaffs_GrabChunkCacheWorker(dev); + yaffs_flush_file_cache(theObj); + cache = yaffs_grab_chunk_worker(dev); } } @@ -3353,18 +3351,18 @@ static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev) } /* Find a cached chunk */ -static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj, - int chunkId) +static yaffs_cache_t *yaffs_find_chunk_cache(const yaffs_obj_t *obj, + int chunk_id) { - yaffs_Device *dev = obj->myDev; + yaffs_dev_t *dev = obj->my_dev; int i; - if (dev->param.nShortOpCaches > 0) { - for (i = 0; i < dev->param.nShortOpCaches; i++) { - if (dev->srCache[i].object == obj && - dev->srCache[i].chunkId == chunkId) { - dev->cacheHits++; + if (dev->param.n_caches > 0) { + for (i = 0; i < dev->param.n_caches; i++) { + if (dev->cache[i].object == obj && + dev->cache[i].chunk_id == chunk_id) { + dev->cache_hits++; - return &dev->srCache[i]; + return &dev->cache[i]; } } } @@ -3372,23 +3370,23 @@ static yaffs_ChunkCache *yaffs_FindChunkCache(const yaffs_Object *obj, } /* Mark the chunk for the least recently used algorithym */ -static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache, +static void yaffs_use_cache(yaffs_dev_t *dev, yaffs_cache_t *cache, int isAWrite) { - if (dev->param.nShortOpCaches > 0) { - if (dev->srLastUse < 0 || dev->srLastUse > 100000000) { + if (dev->param.n_caches > 0) { + if (dev->cache_last_use < 0 || dev->cache_last_use > 100000000) { /* Reset the cache usages */ int i; - for (i = 1; i < dev->param.nShortOpCaches; i++) - dev->srCache[i].lastUse = 0; + for (i = 1; i < dev->param.n_caches; i++) + dev->cache[i].last_use = 0; - dev->srLastUse = 0; + dev->cache_last_use = 0; } - dev->srLastUse++; + dev->cache_last_use++; - cache->lastUse = dev->srLastUse; + cache->last_use = dev->cache_last_use; if (isAWrite) cache->dirty = 1; @@ -3399,10 +3397,10 @@ static void yaffs_UseChunkCache(yaffs_Device *dev, yaffs_ChunkCache *cache, * Do this when a whole page gets written, * ie the short cache for this page is no longer valid. */ -static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId) +static void yaffs_invalidate_chunk_cache(yaffs_obj_t *object, int chunk_id) { - if (object->myDev->param.nShortOpCaches > 0) { - yaffs_ChunkCache *cache = yaffs_FindChunkCache(object, chunkId); + if (object->my_dev->param.n_caches > 0) { + yaffs_cache_t *cache = yaffs_find_chunk_cache(object, chunk_id); if (cache) cache->object = NULL; @@ -3412,16 +3410,16 @@ static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId) /* Invalidate all the cache pages associated with this object * Do this whenever ther file is deleted or resized. */ -static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in) +static void yaffs_invalidate_whole_cache(yaffs_obj_t *in) { int i; - yaffs_Device *dev = in->myDev; + yaffs_dev_t *dev = in->my_dev; - if (dev->param.nShortOpCaches > 0) { + if (dev->param.n_caches > 0) { /* Invalidate it. */ - for (i = 0; i < dev->param.nShortOpCaches; i++) { - if (dev->srCache[i].object == in) - dev->srCache[i].object = NULL; + for (i = 0; i < dev->param.n_caches; i++) { + if (dev->cache[i].object == in) + dev->cache[i].object = NULL; } } } @@ -3437,59 +3435,59 @@ static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in) * Curve-balls: the first chunk might also be the last chunk. */ -int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset, - int nBytes) +int yaffs_file_rd(yaffs_obj_t *in, __u8 *buffer, loff_t offset, + int n_bytes) { int chunk; __u32 start; int nToCopy; - int n = nBytes; + int n = n_bytes; int nDone = 0; - yaffs_ChunkCache *cache; + yaffs_cache_t *cache; - yaffs_Device *dev; + yaffs_dev_t *dev; - dev = in->myDev; + dev = in->my_dev; while (n > 0) { - /* chunk = offset / dev->nDataBytesPerChunk + 1; */ - /* start = offset % dev->nDataBytesPerChunk; */ - yaffs_AddrToChunk(dev, offset, &chunk, &start); + /* chunk = offset / dev->data_bytes_per_chunk + 1; */ + /* start = offset % dev->data_bytes_per_chunk; */ + yaffs_addr_to_chunk(dev, offset, &chunk, &start); chunk++; /* OK now check for the curveball where the start and end are in * the same chunk. */ - if ((start + n) < dev->nDataBytesPerChunk) + if ((start + n) < dev->data_bytes_per_chunk) nToCopy = n; else - nToCopy = dev->nDataBytesPerChunk - start; + nToCopy = dev->data_bytes_per_chunk - start; - cache = yaffs_FindChunkCache(in, chunk); + cache = yaffs_find_chunk_cache(in, chunk); /* If the chunk is already in the cache or it is less than a whole chunk * or we're using inband tags then use the cache (if there is caching) * else bypass the cache. */ - if (cache || nToCopy != dev->nDataBytesPerChunk || dev->param.inbandTags) { - if (dev->param.nShortOpCaches > 0) { + if (cache || nToCopy != dev->data_bytes_per_chunk || dev->param.inband_tags) { + if (dev->param.n_caches > 0) { /* If we can't find the data in the cache, then load it up. */ if (!cache) { - cache = yaffs_GrabChunkCache(in->myDev); + cache = yaffs_grab_chunk_cache(in->my_dev); cache->object = in; - cache->chunkId = chunk; + cache->chunk_id = chunk; cache->dirty = 0; cache->locked = 0; - yaffs_ReadChunkDataFromObject(in, chunk, + yaffs_rd_data_obj(in, chunk, cache-> data); - cache->nBytes = 0; + cache->n_bytes = 0; } - yaffs_UseChunkCache(dev, cache, 0); + yaffs_use_cache(dev, cache, 0); cache->locked = 1; @@ -3501,21 +3499,21 @@ int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset, /* Read into the local buffer then copy..*/ __u8 *localBuffer = - yaffs_GetTempBuffer(dev, __LINE__); - yaffs_ReadChunkDataFromObject(in, chunk, + yaffs_get_temp_buffer(dev, __LINE__); + yaffs_rd_data_obj(in, chunk, localBuffer); memcpy(buffer, &localBuffer[start], nToCopy); - yaffs_ReleaseTempBuffer(dev, localBuffer, + yaffs_release_temp_buffer(dev, localBuffer, __LINE__); } } else { /* A full chunk. Read directly into the supplied buffer. */ - yaffs_ReadChunkDataFromObject(in, chunk, buffer); + yaffs_rd_data_obj(in, chunk, buffer); } @@ -3529,30 +3527,30 @@ int yaffs_ReadDataFromFile(yaffs_Object *in, __u8 *buffer, loff_t offset, return nDone; } -int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, - int nBytes, int writeThrough) +int yaffs_do_file_wr(yaffs_obj_t *in, const __u8 *buffer, loff_t offset, + int n_bytes, int write_trhrough) { int chunk; __u32 start; int nToCopy; - int n = nBytes; + int n = n_bytes; int nDone = 0; int nToWriteBack; int startOfWrite = offset; int chunkWritten = 0; - __u32 nBytesRead; + __u32 n_bytesRead; __u32 chunkStart; - yaffs_Device *dev; + yaffs_dev_t *dev; - dev = in->myDev; + dev = in->my_dev; while (n > 0 && chunkWritten >= 0) { - yaffs_AddrToChunk(dev, offset, &chunk, &start); + yaffs_addr_to_chunk(dev, offset, &chunk, &start); - if (chunk * dev->nDataBytesPerChunk + start != offset || - start >= dev->nDataBytesPerChunk) { + if (chunk * dev->data_bytes_per_chunk + start != offset || + start >= dev->data_bytes_per_chunk) { T(YAFFS_TRACE_ERROR, ( TSTR("AddrToChunk of offset %d gives chunk %d start %d" TENDSTR), @@ -3564,7 +3562,7 @@ int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, * the same chunk. */ - if ((start + n) < dev->nDataBytesPerChunk) { + if ((start + n) < dev->data_bytes_per_chunk) { nToCopy = n; /* Now folks, to calculate how many bytes to write back.... @@ -3572,49 +3570,49 @@ int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, * we need to write back as much as was there before. */ - chunkStart = ((chunk - 1) * dev->nDataBytesPerChunk); + chunkStart = ((chunk - 1) * dev->data_bytes_per_chunk); - if (chunkStart > in->variant.fileVariant.fileSize) - nBytesRead = 0; /* Past end of file */ + if (chunkStart > in->variant.file_variant.file_size) + n_bytesRead = 0; /* Past end of file */ else - nBytesRead = in->variant.fileVariant.fileSize - chunkStart; + n_bytesRead = in->variant.file_variant.file_size - chunkStart; - if (nBytesRead > dev->nDataBytesPerChunk) - nBytesRead = dev->nDataBytesPerChunk; + if (n_bytesRead > dev->data_bytes_per_chunk) + n_bytesRead = dev->data_bytes_per_chunk; nToWriteBack = - (nBytesRead > - (start + n)) ? nBytesRead : (start + n); + (n_bytesRead > + (start + n)) ? n_bytesRead : (start + n); - if (nToWriteBack < 0 || nToWriteBack > dev->nDataBytesPerChunk) + if (nToWriteBack < 0 || nToWriteBack > dev->data_bytes_per_chunk) YBUG(); } else { - nToCopy = dev->nDataBytesPerChunk - start; - nToWriteBack = dev->nDataBytesPerChunk; + nToCopy = dev->data_bytes_per_chunk - start; + nToWriteBack = dev->data_bytes_per_chunk; } - if (nToCopy != dev->nDataBytesPerChunk || dev->param.inbandTags) { + if (nToCopy != dev->data_bytes_per_chunk || dev->param.inband_tags) { /* An incomplete start or end chunk (or maybe both start and end chunk), * or we're using inband tags, so we want to use the cache buffers. */ - if (dev->param.nShortOpCaches > 0) { - yaffs_ChunkCache *cache; + if (dev->param.n_caches > 0) { + yaffs_cache_t *cache; /* If we can't find the data in the cache, then load the cache */ - cache = yaffs_FindChunkCache(in, chunk); + cache = yaffs_find_chunk_cache(in, chunk); if (!cache - && yaffs_CheckSpaceForAllocation(dev, 1)) { - cache = yaffs_GrabChunkCache(dev); + && yaffs_check_alloc_available(dev, 1)) { + cache = yaffs_grab_chunk_cache(dev); cache->object = in; - cache->chunkId = chunk; + cache->chunk_id = chunk; cache->dirty = 0; cache->locked = 0; - yaffs_ReadChunkDataFromObject(in, chunk, + yaffs_rd_data_obj(in, chunk, cache->data); } else if (cache && !cache->dirty && - !yaffs_CheckSpaceForAllocation(dev, 1)) { + !yaffs_check_alloc_available(dev, 1)) { /* Drop the cache if it was a read cache item and * no space check has been made for it. */ @@ -3622,7 +3620,7 @@ int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, } if (cache) { - yaffs_UseChunkCache(dev, cache, 1); + yaffs_use_cache(dev, cache, 1); cache->locked = 1; @@ -3631,14 +3629,14 @@ int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, cache->locked = 0; - cache->nBytes = nToWriteBack; + cache->n_bytes = nToWriteBack; - if (writeThrough) { + if (write_trhrough) { chunkWritten = - yaffs_WriteChunkDataToObject + yaffs_wr_data_obj (cache->object, - cache->chunkId, - cache->data, cache->nBytes, + cache->chunk_id, + cache->data, cache->n_bytes, 1); cache->dirty = 0; } @@ -3652,9 +3650,9 @@ int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, */ __u8 *localBuffer = - yaffs_GetTempBuffer(dev, __LINE__); + yaffs_get_temp_buffer(dev, __LINE__); - yaffs_ReadChunkDataFromObject(in, chunk, + yaffs_rd_data_obj(in, chunk, localBuffer); @@ -3662,12 +3660,12 @@ int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, memcpy(&localBuffer[start], buffer, nToCopy); chunkWritten = - yaffs_WriteChunkDataToObject(in, chunk, + yaffs_wr_data_obj(in, chunk, localBuffer, nToWriteBack, 0); - yaffs_ReleaseTempBuffer(dev, localBuffer, + yaffs_release_temp_buffer(dev, localBuffer, __LINE__); } @@ -3678,12 +3676,12 @@ int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, chunkWritten = - yaffs_WriteChunkDataToObject(in, chunk, buffer, - dev->nDataBytesPerChunk, + yaffs_wr_data_obj(in, chunk, buffer, + dev->data_bytes_per_chunk, 0); /* Since we've overwritten the cached data, we better invalidate it. */ - yaffs_InvalidateChunkCache(in, chunk); + yaffs_invalidate_chunk_cache(in, chunk); } if (chunkWritten >= 0) { @@ -3697,37 +3695,37 @@ int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, /* Update file object */ - if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize) - in->variant.fileVariant.fileSize = (startOfWrite + nDone); + if ((startOfWrite + nDone) > in->variant.file_variant.file_size) + in->variant.file_variant.file_size = (startOfWrite + nDone); in->dirty = 1; return nDone; } -int yaffs_WriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, - int nBytes, int writeThrough) +int yaffs_wr_file(yaffs_obj_t *in, const __u8 *buffer, loff_t offset, + int n_bytes, int write_trhrough) { - yaffs2_HandleHole(in,offset); - return yaffs_DoWriteDataToFile(in,buffer,offset,nBytes,writeThrough); + yaffs2_handle_hole(in,offset); + return yaffs_do_file_wr(in,buffer,offset,n_bytes,write_trhrough); } /* ---------------------- File resizing stuff ------------------ */ -static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize) +static void yaffs_prune_chunks(yaffs_obj_t *in, int new_size) { - yaffs_Device *dev = in->myDev; - int oldFileSize = in->variant.fileVariant.fileSize; + yaffs_dev_t *dev = in->my_dev; + int oldFileSize = in->variant.file_variant.file_size; - int lastDel = 1 + (oldFileSize - 1) / dev->nDataBytesPerChunk; + int lastDel = 1 + (oldFileSize - 1) / dev->data_bytes_per_chunk; - int startDel = 1 + (newSize + dev->nDataBytesPerChunk - 1) / - dev->nDataBytesPerChunk; + int startDel = 1 + (new_size + dev->data_bytes_per_chunk - 1) / + dev->data_bytes_per_chunk; int i; - int chunkId; + int chunk_id; /* Delete backwards so that we don't end up with holes if * power is lost part-way through the operation. @@ -3735,22 +3733,22 @@ static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize) for (i = lastDel; i >= startDel; i--) { /* NB this could be optimised somewhat, * eg. could retrieve the tags and write them without - * using yaffs_DeleteChunk + * using yaffs_chunk_del */ - chunkId = yaffs_FindAndDeleteChunkInFile(in, i, NULL); - if (chunkId > 0) { - if (chunkId < - (dev->internalStartBlock * dev->param.nChunksPerBlock) - || chunkId >= - ((dev->internalEndBlock + - 1) * dev->param.nChunksPerBlock)) { + chunk_id = yaffs_find_del_file_chunk(in, i, NULL); + if (chunk_id > 0) { + if (chunk_id < + (dev->internal_start_block * dev->param.chunks_per_block) + || chunk_id >= + ((dev->internal_end_block + + 1) * dev->param.chunks_per_block)) { T(YAFFS_TRACE_ALWAYS, - (TSTR("Found daft chunkId %d for %d" TENDSTR), - chunkId, i)); + (TSTR("Found daft chunk_id %d for %d" TENDSTR), + chunk_id, i)); } else { - in->nDataChunks--; - yaffs_DeleteChunk(dev, chunkId, 1, __LINE__); + in->n_data_chunks--; + yaffs_chunk_del(dev, chunk_id, 1, __LINE__); } } } @@ -3758,59 +3756,59 @@ static void yaffs_PruneResizedChunks(yaffs_Object *in, int newSize) } -void yaffs_ResizeDown( yaffs_Object *obj, loff_t newSize) +void yaffs_resize_file_down( yaffs_obj_t *obj, loff_t new_size) { int newFullChunks; - __u32 newSizeOfPartialChunk; - yaffs_Device *dev = obj->myDev; + __u32 new_sizeOfPartialChunk; + yaffs_dev_t *dev = obj->my_dev; - yaffs_AddrToChunk(dev, newSize, &newFullChunks, &newSizeOfPartialChunk); + yaffs_addr_to_chunk(dev, new_size, &newFullChunks, &new_sizeOfPartialChunk); - yaffs_PruneResizedChunks(obj, newSize); + yaffs_prune_chunks(obj, new_size); - if (newSizeOfPartialChunk != 0) { + if (new_sizeOfPartialChunk != 0) { int lastChunk = 1 + newFullChunks; - __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__); + __u8 *localBuffer = yaffs_get_temp_buffer(dev, __LINE__); /* Got to read and rewrite the last chunk with its new size and zero pad */ - yaffs_ReadChunkDataFromObject(obj, lastChunk, localBuffer); - memset(localBuffer + newSizeOfPartialChunk, 0, - dev->nDataBytesPerChunk - newSizeOfPartialChunk); + yaffs_rd_data_obj(obj, lastChunk, localBuffer); + memset(localBuffer + new_sizeOfPartialChunk, 0, + dev->data_bytes_per_chunk - new_sizeOfPartialChunk); - yaffs_WriteChunkDataToObject(obj, lastChunk, localBuffer, - newSizeOfPartialChunk, 1); + yaffs_wr_data_obj(obj, lastChunk, localBuffer, + new_sizeOfPartialChunk, 1); - yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__); + yaffs_release_temp_buffer(dev, localBuffer, __LINE__); } - obj->variant.fileVariant.fileSize = newSize; + obj->variant.file_variant.file_size = new_size; - yaffs_PruneFileStructure(dev, &obj->variant.fileVariant); + yaffs_prune_tree(dev, &obj->variant.file_variant); } -int yaffs_ResizeFile(yaffs_Object *in, loff_t newSize) +int yaffs_resize_file(yaffs_obj_t *in, loff_t new_size) { - yaffs_Device *dev = in->myDev; - int oldFileSize = in->variant.fileVariant.fileSize; + yaffs_dev_t *dev = in->my_dev; + int oldFileSize = in->variant.file_variant.file_size; - yaffs_FlushFilesChunkCache(in); - yaffs_InvalidateWholeChunkCache(in); + yaffs_flush_file_cache(in); + yaffs_invalidate_whole_cache(in); - yaffs_CheckGarbageCollection(dev,0); + yaffs_check_gc(dev,0); - if (in->variantType != YAFFS_OBJECT_TYPE_FILE) + if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) return YAFFS_FAIL; - if (newSize == oldFileSize) + if (new_size == oldFileSize) return YAFFS_OK; - if(newSize > oldFileSize){ - yaffs2_HandleHole(in,newSize); - in->variant.fileVariant.fileSize = newSize; + if(new_size > oldFileSize){ + yaffs2_handle_hole(in,new_size); + in->variant.file_variant.file_size = new_size; } else { - /* newSize < oldFileSize */ - yaffs_ResizeDown(in, newSize); + /* new_size < oldFileSize */ + yaffs_resize_file_down(in, new_size); } /* Write a new object header to reflect the resize. @@ -3819,25 +3817,25 @@ int yaffs_ResizeFile(yaffs_Object *in, loff_t newSize) * and is not shadowed. */ if (in->parent && - !in->isShadowed && - in->parent->objectId != YAFFS_OBJECTID_UNLINKED && - in->parent->objectId != YAFFS_OBJECTID_DELETED) - yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0, NULL); + !in->is_shadowed && + in->parent->obj_id != YAFFS_OBJECTID_UNLINKED && + in->parent->obj_id != YAFFS_OBJECTID_DELETED) + yaffs_update_oh(in, NULL, 0, 0, 0, NULL); return YAFFS_OK; } -loff_t yaffs_GetFileSize(yaffs_Object *obj) +loff_t yaffs_get_file_size(yaffs_obj_t *obj) { YCHAR *alias = NULL; - obj = yaffs_GetEquivalentObject(obj); + obj = yaffs_get_equivalent_obj(obj); - switch (obj->variantType) { + switch (obj->variant_type) { case YAFFS_OBJECT_TYPE_FILE: - return obj->variant.fileVariant.fileSize; + return obj->variant.file_variant.file_size; case YAFFS_OBJECT_TYPE_SYMLINK: - alias = obj->variant.symLinkVariant.alias; + alias = obj->variant.symlink_variant.alias; if(!alias) return 0; return yaffs_strnlen(alias,YAFFS_MAX_ALIAS_LENGTH); @@ -3848,17 +3846,17 @@ loff_t yaffs_GetFileSize(yaffs_Object *obj) -int yaffs_FlushFile(yaffs_Object *in, int updateTime, int dataSync) +int yaffs_flush_file(yaffs_obj_t *in, int update_time, int data_sync) { int retVal; if (in->dirty) { - yaffs_FlushFilesChunkCache(in); - if(dataSync) /* Only sync data */ + yaffs_flush_file_cache(in); + if(data_sync) /* Only sync data */ retVal=YAFFS_OK; else { - if (updateTime) { + if (update_time) { #ifdef CONFIG_YAFFS_WINCE - yfsd_WinFileTimeNow(in->win_mtime); + yfsd_win_file_time_now(in->win_mtime); #else in->yst_mtime = Y_CURRENT_TIME; @@ -3866,7 +3864,7 @@ int yaffs_FlushFile(yaffs_Object *in, int updateTime, int dataSync) #endif } - retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0, NULL) >= + retVal = (yaffs_update_oh(in, NULL, 0, 0, 0, NULL) >= 0) ? YAFFS_OK : YAFFS_FAIL; } } else { @@ -3877,56 +3875,56 @@ int yaffs_FlushFile(yaffs_Object *in, int updateTime, int dataSync) } -static int yaffs_DoGenericObjectDeletion(yaffs_Object *in) +static int yaffs_generic_obj_del(yaffs_obj_t *in) { /* First off, invalidate the file's data in the cache, without flushing. */ - yaffs_InvalidateWholeChunkCache(in); + yaffs_invalidate_whole_cache(in); - if (in->myDev->param.isYaffs2 && (in->parent != in->myDev->deletedDir)) { + if (in->my_dev->param.is_yaffs2 && (in->parent != in->my_dev->del_dir)) { /* Move to the unlinked directory so we have a record that it was deleted. */ - yaffs_ChangeObjectName(in, in->myDev->deletedDir, _Y("deleted"), 0, 0); + yaffs_change_obj_name(in, in->my_dev->del_dir, _Y("deleted"), 0, 0); } - yaffs_RemoveObjectFromDirectory(in); - yaffs_DeleteChunk(in->myDev, in->hdrChunk, 1, __LINE__); - in->hdrChunk = 0; + yaffs_remove_obj_from_dir(in); + yaffs_chunk_del(in->my_dev, in->hdr_chunk, 1, __LINE__); + in->hdr_chunk = 0; - yaffs_FreeObject(in); + yaffs_free_obj(in); return YAFFS_OK; } -/* yaffs_DeleteFile deletes the whole file data +/* yaffs_del_file deletes the whole file data * and the inode associated with the file. * It does not delete the links associated with the file. */ -static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in) +static int yaffs_unlink_file_if_needed(yaffs_obj_t *in) { int retVal; int immediateDeletion = 0; - yaffs_Device *dev = in->myDev; + yaffs_dev_t *dev = in->my_dev; - if (!in->myInode) + if (!in->my_inode) immediateDeletion = 1; if (immediateDeletion) { retVal = - yaffs_ChangeObjectName(in, in->myDev->deletedDir, + yaffs_change_obj_name(in, in->my_dev->del_dir, _Y("deleted"), 0, 0); T(YAFFS_TRACE_TRACING, (TSTR("yaffs: immediate deletion of file %d" TENDSTR), - in->objectId)); + in->obj_id)); in->deleted = 1; - in->myDev->nDeletedFiles++; - if (dev->param.disableSoftDelete || dev->param.isYaffs2) - yaffs_ResizeFile(in, 0); - yaffs_SoftDeleteFile(in); + in->my_dev->n_deleted_files++; + if (dev->param.disable_soft_del || dev->param.is_yaffs2) + yaffs_resize_file(in, 0); + yaffs_soft_del_file(in); } else { retVal = - yaffs_ChangeObjectName(in, in->myDev->unlinkedDir, + yaffs_change_obj_name(in, in->my_dev->unlinked_dir, _Y("unlinked"), 0, 0); } @@ -3934,96 +3932,96 @@ static int yaffs_UnlinkFileIfNeeded(yaffs_Object *in) return retVal; } -int yaffs_DeleteFile(yaffs_Object *in) +int yaffs_del_file(yaffs_obj_t *in) { int retVal = YAFFS_OK; int deleted; /* Need to cache value on stack if in is freed */ - yaffs_Device *dev = in->myDev; + yaffs_dev_t *dev = in->my_dev; - if (dev->param.disableSoftDelete || dev->param.isYaffs2) - yaffs_ResizeFile(in, 0); + if (dev->param.disable_soft_del || dev->param.is_yaffs2) + yaffs_resize_file(in, 0); - if (in->nDataChunks > 0) { + if (in->n_data_chunks > 0) { /* Use soft deletion if there is data in the file. * That won't be the case if it has been resized to zero. */ if (!in->unlinked) - retVal = yaffs_UnlinkFileIfNeeded(in); + retVal = yaffs_unlink_file_if_needed(in); deleted = in->deleted; if (retVal == YAFFS_OK && in->unlinked && !in->deleted) { in->deleted = 1; deleted = 1; - in->myDev->nDeletedFiles++; - yaffs_SoftDeleteFile(in); + in->my_dev->n_deleted_files++; + yaffs_soft_del_file(in); } return deleted ? YAFFS_OK : YAFFS_FAIL; } else { /* The file has no data chunks so we toss it immediately */ - yaffs_FreeTnode(in->myDev, in->variant.fileVariant.top); - in->variant.fileVariant.top = NULL; - yaffs_DoGenericObjectDeletion(in); + yaffs_free_tnode(in->my_dev, in->variant.file_variant.top); + in->variant.file_variant.top = NULL; + yaffs_generic_obj_del(in); return YAFFS_OK; } } -static int yaffs_IsNonEmptyDirectory(yaffs_Object *obj) +static int yaffs_is_non_empty_dir(yaffs_obj_t *obj) { - return (obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY) && - !(ylist_empty(&obj->variant.directoryVariant.children)); + return (obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) && + !(ylist_empty(&obj->variant.dir_variant.children)); } -static int yaffs_DeleteDirectory(yaffs_Object *obj) +static int yaffs_del_dir(yaffs_obj_t *obj) { /* First check that the directory is empty. */ - if (yaffs_IsNonEmptyDirectory(obj)) + if (yaffs_is_non_empty_dir(obj)) return YAFFS_FAIL; - return yaffs_DoGenericObjectDeletion(obj); + return yaffs_generic_obj_del(obj); } -static int yaffs_DeleteSymLink(yaffs_Object *in) +static int yaffs_del_symlink(yaffs_obj_t *in) { - if(in->variant.symLinkVariant.alias) - YFREE(in->variant.symLinkVariant.alias); - in->variant.symLinkVariant.alias=NULL; + if(in->variant.symlink_variant.alias) + YFREE(in->variant.symlink_variant.alias); + in->variant.symlink_variant.alias=NULL; - return yaffs_DoGenericObjectDeletion(in); + return yaffs_generic_obj_del(in); } -static int yaffs_DeleteHardLink(yaffs_Object *in) +static int yaffs_del_link(yaffs_obj_t *in) { /* remove this hardlink from the list assocaited with the equivalent * object */ - ylist_del_init(&in->hardLinks); - return yaffs_DoGenericObjectDeletion(in); + ylist_del_init(&in->hard_links); + return yaffs_generic_obj_del(in); } -int yaffs_DeleteObject(yaffs_Object *obj) +int yaffs_del_obj(yaffs_obj_t *obj) { int retVal = -1; - switch (obj->variantType) { + switch (obj->variant_type) { case YAFFS_OBJECT_TYPE_FILE: - retVal = yaffs_DeleteFile(obj); + retVal = yaffs_del_file(obj); break; case YAFFS_OBJECT_TYPE_DIRECTORY: - if(!ylist_empty(&obj->variant.directoryVariant.dirty)){ - T(YAFFS_TRACE_BACKGROUND, (TSTR("Remove object %d from dirty directories" TENDSTR),obj->objectId)); - ylist_del_init(&obj->variant.directoryVariant.dirty); + if(!ylist_empty(&obj->variant.dir_variant.dirty)){ + T(YAFFS_TRACE_BACKGROUND, (TSTR("Remove object %d from dirty directories" TENDSTR),obj->obj_id)); + ylist_del_init(&obj->variant.dir_variant.dirty); } - return yaffs_DeleteDirectory(obj); + return yaffs_del_dir(obj); break; case YAFFS_OBJECT_TYPE_SYMLINK: - retVal = yaffs_DeleteSymLink(obj); + retVal = yaffs_del_symlink(obj); break; case YAFFS_OBJECT_TYPE_HARDLINK: - retVal = yaffs_DeleteHardLink(obj); + retVal = yaffs_del_link(obj); break; case YAFFS_OBJECT_TYPE_SPECIAL: - retVal = yaffs_DoGenericObjectDeletion(obj); + retVal = yaffs_generic_obj_del(obj); break; case YAFFS_OBJECT_TYPE_UNKNOWN: retVal = 0; @@ -4033,20 +4031,20 @@ int retVal = -1; return retVal; } -static int yaffs_UnlinkWorker(yaffs_Object *obj) +static int yaffs_unlink_worker(yaffs_obj_t *obj) { int immediateDeletion = 0; - if (!obj->myInode) + if (!obj->my_inode) immediateDeletion = 1; if(obj) - yaffs_UpdateParent(obj->parent); + yaffs_update_parent(obj->parent); - if (obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) { - return yaffs_DeleteHardLink(obj); - } else if (!ylist_empty(&obj->hardLinks)) { + if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) { + return yaffs_del_link(obj); + } else if (!ylist_empty(&obj->hard_links)) { /* Curve ball: We're unlinking an object that has a hardlink. * * This problem arises because we are not strictly following @@ -4061,80 +4059,80 @@ static int yaffs_UnlinkWorker(yaffs_Object *obj) * - Delete the hardlink */ - yaffs_Object *hl; - yaffs_Object *parent; + yaffs_obj_t *hl; + yaffs_obj_t *parent; int retVal; YCHAR name[YAFFS_MAX_NAME_LENGTH + 1]; - hl = ylist_entry(obj->hardLinks.next, yaffs_Object, hardLinks); + hl = ylist_entry(obj->hard_links.next, yaffs_obj_t, hard_links); - yaffs_GetObjectName(hl, name, YAFFS_MAX_NAME_LENGTH + 1); + yaffs_get_obj_name(hl, name, YAFFS_MAX_NAME_LENGTH + 1); parent = hl->parent; - ylist_del_init(&hl->hardLinks); + ylist_del_init(&hl->hard_links); - yaffs_AddObjectToDirectory(obj->myDev->unlinkedDir, hl); + yaffs_add_obj_to_dir(obj->my_dev->unlinked_dir, hl); - retVal = yaffs_ChangeObjectName(obj,parent, name, 0, 0); + retVal = yaffs_change_obj_name(obj,parent, name, 0, 0); if (retVal == YAFFS_OK) - retVal = yaffs_DoGenericObjectDeletion(hl); + retVal = yaffs_generic_obj_del(hl); return retVal; } else if (immediateDeletion) { - switch (obj->variantType) { + switch (obj->variant_type) { case YAFFS_OBJECT_TYPE_FILE: - return yaffs_DeleteFile(obj); + return yaffs_del_file(obj); break; case YAFFS_OBJECT_TYPE_DIRECTORY: - ylist_del_init(&obj->variant.directoryVariant.dirty); - return yaffs_DeleteDirectory(obj); + ylist_del_init(&obj->variant.dir_variant.dirty); + return yaffs_del_dir(obj); break; case YAFFS_OBJECT_TYPE_SYMLINK: - return yaffs_DeleteSymLink(obj); + return yaffs_del_symlink(obj); break; case YAFFS_OBJECT_TYPE_SPECIAL: - return yaffs_DoGenericObjectDeletion(obj); + return yaffs_generic_obj_del(obj); break; case YAFFS_OBJECT_TYPE_HARDLINK: case YAFFS_OBJECT_TYPE_UNKNOWN: default: return YAFFS_FAIL; } - } else if(yaffs_IsNonEmptyDirectory(obj)) + } else if(yaffs_is_non_empty_dir(obj)) return YAFFS_FAIL; else - return yaffs_ChangeObjectName(obj, obj->myDev->unlinkedDir, + return yaffs_change_obj_name(obj, obj->my_dev->unlinked_dir, _Y("unlinked"), 0, 0); } -static int yaffs_UnlinkObject(yaffs_Object *obj) +static int yaffs_unlink_obj(yaffs_obj_t *obj) { - if (obj && obj->unlinkAllowed) - return yaffs_UnlinkWorker(obj); + if (obj && obj->unlink_allowed) + return yaffs_unlink_worker(obj); return YAFFS_FAIL; } -int yaffs_Unlink(yaffs_Object *dir, const YCHAR *name) +int yaffs_unlinker(yaffs_obj_t *dir, const YCHAR *name) { - yaffs_Object *obj; + yaffs_obj_t *obj; - obj = yaffs_FindObjectByName(dir, name); - return yaffs_UnlinkObject(obj); + obj = yaffs_find_by_name(dir, name); + return yaffs_unlink_obj(obj); } /*----------------------- Initialisation Scanning ---------------------- */ -void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId, - int backwardScanning) +void yaffs_handle_shadowed_obj(yaffs_dev_t *dev, int obj_id, + int backward_scanning) { - yaffs_Object *obj; + yaffs_obj_t *obj; - if (!backwardScanning) { + if (!backward_scanning) { /* Handle YAFFS1 forward scanning case * For YAFFS1 we always do the deletion */ @@ -4143,7 +4141,7 @@ void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId, /* Handle YAFFS2 case (backward scanning) * If the shadowed object exists then ignore. */ - obj = yaffs_FindObjectByNumber(dev, objId); + obj = yaffs_find_by_number(dev, obj_id); if(obj) return; } @@ -4152,73 +4150,73 @@ void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId, * We put it in unlinked dir to be cleaned up after the scanning */ obj = - yaffs_FindOrCreateObjectByNumber(dev, objId, + yaffs_find_or_create_by_number(dev, obj_id, YAFFS_OBJECT_TYPE_FILE); if (!obj) return; - obj->isShadowed = 1; - yaffs_AddObjectToDirectory(dev->unlinkedDir, obj); - obj->variant.fileVariant.shrinkSize = 0; + obj->is_shadowed = 1; + yaffs_add_obj_to_dir(dev->unlinked_dir, obj); + obj->variant.file_variant.shrink_size = 0; obj->valid = 1; /* So that we don't read any other info for this file */ } -void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList) +void yaffs_link_fixup(yaffs_dev_t *dev, yaffs_obj_t *hard_list) { - yaffs_Object *hl; - yaffs_Object *in; + yaffs_obj_t *hl; + yaffs_obj_t *in; - while (hardList) { - hl = hardList; - hardList = (yaffs_Object *) (hardList->hardLinks.next); + while (hard_list) { + hl = hard_list; + hard_list = (yaffs_obj_t *) (hard_list->hard_links.next); - in = yaffs_FindObjectByNumber(dev, - hl->variant.hardLinkVariant. - equivalentObjectId); + in = yaffs_find_by_number(dev, + hl->variant.hardlink_variant. + equiv_id); if (in) { /* Add the hardlink pointers */ - hl->variant.hardLinkVariant.equivalentObject = in; - ylist_add(&hl->hardLinks, &in->hardLinks); + hl->variant.hardlink_variant.equiv_obj = in; + ylist_add(&hl->hard_links, &in->hard_links); } else { /* Todo Need to report/handle this better. * Got a problem... hardlink to a non-existant object */ - hl->variant.hardLinkVariant.equivalentObject = NULL; - YINIT_LIST_HEAD(&hl->hardLinks); + hl->variant.hardlink_variant.equiv_obj = NULL; + YINIT_LIST_HEAD(&hl->hard_links); } } } -static void yaffs_StripDeletedObjects(yaffs_Device *dev) +static void yaffs_strip_deleted_objs(yaffs_dev_t *dev) { /* * Sort out state of unlinked and deleted objects after scanning. */ struct ylist_head *i; struct ylist_head *n; - yaffs_Object *l; + yaffs_obj_t *l; - if (dev->readOnly) + if (dev->read_only) return; /* Soft delete all the unlinked files */ ylist_for_each_safe(i, n, - &dev->unlinkedDir->variant.directoryVariant.children) { + &dev->unlinked_dir->variant.dir_variant.children) { if (i) { - l = ylist_entry(i, yaffs_Object, siblings); - yaffs_DeleteObject(l); + l = ylist_entry(i, yaffs_obj_t, siblings); + yaffs_del_obj(l); } } ylist_for_each_safe(i, n, - &dev->deletedDir->variant.directoryVariant.children) { + &dev->del_dir->variant.dir_variant.children) { if (i) { - l = ylist_entry(i, yaffs_Object, siblings); - yaffs_DeleteObject(l); + l = ylist_entry(i, yaffs_obj_t, siblings); + yaffs_del_obj(l); } } @@ -4234,31 +4232,31 @@ static void yaffs_StripDeletedObjects(yaffs_Device *dev) * Note: * This code assumes that we don't ever change the current relationships between * directories: - * rootDir->parent == unlinkedDir->parent == deletedDir->parent == NULL - * lostNfound->parent == rootDir + * root_dir->parent == unlinked_dir->parent == del_dir->parent == NULL + * lostNfound->parent == root_dir * * This fixes the problem where directories might have inadvertently been deleted * leaving the object "hanging" without being rooted in the directory tree. */ -static int yaffs_HasNULLParent(yaffs_Device *dev, yaffs_Object *obj) +static int yaffs_has_null_parent(yaffs_dev_t *dev, yaffs_obj_t *obj) { - return (obj == dev->deletedDir || - obj == dev->unlinkedDir|| - obj == dev->rootDir); + return (obj == dev->del_dir || + obj == dev->unlinked_dir|| + obj == dev->root_dir); } -static void yaffs_FixHangingObjects(yaffs_Device *dev) +static void yaffs_fix_hanging_objs(yaffs_dev_t *dev) { - yaffs_Object *obj; - yaffs_Object *parent; + yaffs_obj_t *obj; + yaffs_obj_t *parent; int i; struct ylist_head *lh; struct ylist_head *n; int depthLimit; int hanging; - if (dev->readOnly) + if (dev->read_only) return; /* Iterate through the objects in each hash entry, @@ -4267,18 +4265,18 @@ static void yaffs_FixHangingObjects(yaffs_Device *dev) */ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { - ylist_for_each_safe(lh, n, &dev->objectBucket[i].list) { + ylist_for_each_safe(lh, n, &dev->obj_bucket[i].list) { if (lh) { - obj = ylist_entry(lh, yaffs_Object, hashLink); + obj = ylist_entry(lh, yaffs_obj_t, hash_link); parent= obj->parent; - if(yaffs_HasNULLParent(dev,obj)){ + if(yaffs_has_null_parent(dev,obj)){ /* These directories are not hanging */ hanging = 0; } - else if(!parent || parent->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) + else if(!parent || parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) hanging = 1; - else if(yaffs_HasNULLParent(dev,parent)) + else if(yaffs_has_null_parent(dev,parent)) hanging = 0; else { /* @@ -4287,21 +4285,21 @@ static void yaffs_FixHangingObjects(yaffs_Device *dev) hanging = 0; depthLimit=100; - while(parent != dev->rootDir && + while(parent != dev->root_dir && parent->parent && - parent->parent->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && + parent->parent->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY && depthLimit > 0){ parent = parent->parent; depthLimit--; } - if(parent != dev->rootDir) + if(parent != dev->root_dir) hanging = 1; } if(hanging){ T(YAFFS_TRACE_SCAN, (TSTR("Hanging object %d moved to lost and found" TENDSTR), - obj->objectId)); - yaffs_AddObjectToDirectory(dev->lostNFoundDir,obj); + obj->obj_id)); + yaffs_add_obj_to_dir(dev->lost_n_found,obj); } } } @@ -4312,65 +4310,65 @@ static void yaffs_FixHangingObjects(yaffs_Device *dev) /* * Delete directory contents for cleaning up lost and found. */ -static void yaffs_DeleteDirectoryContents(yaffs_Object *dir) +static void yaffs_del_dir_contents(yaffs_obj_t *dir) { - yaffs_Object *obj; + yaffs_obj_t *obj; struct ylist_head *lh; struct ylist_head *n; - if(dir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) + if(dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) YBUG(); - ylist_for_each_safe(lh, n, &dir->variant.directoryVariant.children) { + ylist_for_each_safe(lh, n, &dir->variant.dir_variant.children) { if (lh) { - obj = ylist_entry(lh, yaffs_Object, siblings); - if(obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY) - yaffs_DeleteDirectoryContents(obj); + obj = ylist_entry(lh, yaffs_obj_t, siblings); + if(obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) + yaffs_del_dir_contents(obj); T(YAFFS_TRACE_SCAN, (TSTR("Deleting lost_found object %d" TENDSTR), - obj->objectId)); + obj->obj_id)); /* Need to use UnlinkObject since Delete would not handle * hardlinked objects correctly. */ - yaffs_UnlinkObject(obj); + yaffs_unlink_obj(obj); } } } -static void yaffs_EmptyLostAndFound(yaffs_Device *dev) +static void yaffs_empty_l_n_f(yaffs_dev_t *dev) { - yaffs_DeleteDirectoryContents(dev->lostNFoundDir); + yaffs_del_dir_contents(dev->lost_n_found); } -static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) +static void yaffs_check_obj_details_loaded(yaffs_obj_t *in) { __u8 *chunkData; - yaffs_ObjectHeader *oh; - yaffs_Device *dev; - yaffs_ExtendedTags tags; + yaffs_obj_header *oh; + yaffs_dev_t *dev; + yaffs_ext_tags tags; int result; int alloc_failed = 0; if (!in) return; - dev = in->myDev; + dev = in->my_dev; #if 0 T(YAFFS_TRACE_SCAN, (TSTR("details for object %d %s loaded" TENDSTR), - in->objectId, - in->lazyLoaded ? "not yet" : "already")); + in->obj_id, + in->lazy_loaded ? "not yet" : "already")); #endif - if (in->lazyLoaded && in->hdrChunk > 0) { - in->lazyLoaded = 0; - chunkData = yaffs_GetTempBuffer(dev, __LINE__); + if (in->lazy_loaded && in->hdr_chunk > 0) { + in->lazy_loaded = 0; + chunkData = yaffs_get_temp_buffer(dev, __LINE__); - result = yaffs_ReadChunkWithTagsFromNAND(dev, in->hdrChunk, chunkData, &tags); - oh = (yaffs_ObjectHeader *) chunkData; + result = yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, chunkData, &tags); + oh = (yaffs_obj_header *) chunkData; in->yst_mode = oh->yst_mode; #ifdef CONFIG_YAFFS_WINCE @@ -4389,23 +4387,23 @@ static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) in->yst_rdev = oh->yst_rdev; #endif - yaffs_SetObjectNameFromOH(in, oh); + yaffs_set_obj_name_from_oh(in, oh); - if (in->variantType == YAFFS_OBJECT_TYPE_SYMLINK) { - in->variant.symLinkVariant.alias = - yaffs_CloneString(oh->alias); - if (!in->variant.symLinkVariant.alias) + if (in->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) { + in->variant.symlink_variant.alias = + yaffs_clone_str(oh->alias); + if (!in->variant.symlink_variant.alias) alloc_failed = 1; /* Not returned to caller */ } - yaffs_ReleaseTempBuffer(dev, chunkData, __LINE__); + yaffs_release_temp_buffer(dev, chunkData, __LINE__); } } /*------------------------------ Directory Functions ----------------------------- */ /* - *yaffs_UpdateParent() handles fixing a directories mtime and ctime when a new + *yaffs_update_parent() handles fixing a directories mtime and ctime when a new * link (ie. name) is created or deleted in the directory. * * ie. @@ -4416,79 +4414,79 @@ static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) * This can be handled immediately or defered. Defering helps reduce the number * of updates when many files in a directory are changed within a brief period. * - * If the directory updating is defered then yaffs_UpdateDirtyDirecories must be + * If the directory updating is defered then yaffs_update_dirty_dirs must be * called periodically. */ -static void yaffs_UpdateParent(yaffs_Object *obj) +static void yaffs_update_parent(yaffs_obj_t *obj) { - yaffs_Device *dev; + yaffs_dev_t *dev; if(!obj) return; #ifndef CONFIG_YAFFS_WINCE - dev = obj->myDev; + dev = obj->my_dev; obj->dirty = 1; obj->yst_mtime = obj->yst_ctime = Y_CURRENT_TIME; - if(dev->param.deferDirectoryUpdate){ - struct ylist_head *link = &obj->variant.directoryVariant.dirty; + if(dev->param.defered_dir_update){ + struct ylist_head *link = &obj->variant.dir_variant.dirty; if(ylist_empty(link)){ - ylist_add(link,&dev->dirtyDirectories); - T(YAFFS_TRACE_BACKGROUND, (TSTR("Added object %d to dirty directories" TENDSTR),obj->objectId)); + ylist_add(link,&dev->dirty_dirs); + T(YAFFS_TRACE_BACKGROUND, (TSTR("Added object %d to dirty directories" TENDSTR),obj->obj_id)); } } else - yaffs_UpdateObjectHeader(obj, NULL, 0, 0, 0, NULL); + yaffs_update_oh(obj, NULL, 0, 0, 0, NULL); #endif } -void yaffs_UpdateDirtyDirectories(yaffs_Device *dev) +void yaffs_update_dirty_dirs(yaffs_dev_t *dev) { struct ylist_head *link; - yaffs_Object *obj; - yaffs_DirectoryStructure *dS; - yaffs_ObjectVariant *oV; + yaffs_obj_t *obj; + yaffs_dir_s *dS; + yaffs_obj_variant *oV; T(YAFFS_TRACE_BACKGROUND, (TSTR("Update dirty directories" TENDSTR))); - while(!ylist_empty(&dev->dirtyDirectories)){ - link = dev->dirtyDirectories.next; + while(!ylist_empty(&dev->dirty_dirs)){ + link = dev->dirty_dirs.next; ylist_del_init(link); - dS=ylist_entry(link,yaffs_DirectoryStructure,dirty); - oV = ylist_entry(dS,yaffs_ObjectVariant,directoryVariant); - obj = ylist_entry(oV,yaffs_Object,variant); + dS=ylist_entry(link,yaffs_dir_s,dirty); + oV = ylist_entry(dS,yaffs_obj_variant,dir_variant); + obj = ylist_entry(oV,yaffs_obj_t,variant); - T(YAFFS_TRACE_BACKGROUND, (TSTR("Update directory %d" TENDSTR), obj->objectId)); + T(YAFFS_TRACE_BACKGROUND, (TSTR("Update directory %d" TENDSTR), obj->obj_id)); if(obj->dirty) - yaffs_UpdateObjectHeader(obj, NULL, 0, 0, 0, NULL); + yaffs_update_oh(obj, NULL, 0, 0, 0, NULL); } } -static void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj) +static void yaffs_remove_obj_from_dir(yaffs_obj_t *obj) { - yaffs_Device *dev = obj->myDev; - yaffs_Object *parent; + yaffs_dev_t *dev = obj->my_dev; + yaffs_obj_t *parent; - yaffs_VerifyObjectInDirectory(obj); + yaffs_verify_obj_in_dir(obj); parent = obj->parent; - yaffs_VerifyDirectory(parent); + yaffs_verify_dir(parent); - if (dev && dev->param.removeObjectCallback) - dev->param.removeObjectCallback(obj); + if (dev && dev->param.remove_obj_fn) + dev->param.remove_obj_fn(obj); ylist_del_init(&obj->siblings); obj->parent = NULL; - yaffs_VerifyDirectory(parent); + yaffs_verify_dir(parent); } -void yaffs_AddObjectToDirectory(yaffs_Object *directory, - yaffs_Object *obj) +void yaffs_add_obj_to_dir(yaffs_obj_t *directory, + yaffs_obj_t *obj) { if (!directory) { T(YAFFS_TRACE_ALWAYS, @@ -4498,7 +4496,7 @@ void yaffs_AddObjectToDirectory(yaffs_Object *directory, YBUG(); return; } - if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { + if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { T(YAFFS_TRACE_ALWAYS, (TSTR ("tragedy: Trying to add an object to a non-directory" @@ -4512,27 +4510,27 @@ void yaffs_AddObjectToDirectory(yaffs_Object *directory, } - yaffs_VerifyDirectory(directory); + yaffs_verify_dir(directory); - yaffs_RemoveObjectFromDirectory(obj); + yaffs_remove_obj_from_dir(obj); /* Now add it */ - ylist_add(&obj->siblings, &directory->variant.directoryVariant.children); + ylist_add(&obj->siblings, &directory->variant.dir_variant.children); obj->parent = directory; - if (directory == obj->myDev->unlinkedDir - || directory == obj->myDev->deletedDir) { + if (directory == obj->my_dev->unlinked_dir + || directory == obj->my_dev->del_dir) { obj->unlinked = 1; - obj->myDev->nUnlinkedFiles++; - obj->renameAllowed = 0; + obj->my_dev->n_unlinked_files++; + obj->rename_allowed = 0; } - yaffs_VerifyDirectory(directory); - yaffs_VerifyObjectInDirectory(obj); + yaffs_verify_dir(directory); + yaffs_verify_obj_in_dir(obj); } -yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory, +yaffs_obj_t *yaffs_find_by_name(yaffs_obj_t *directory, const YCHAR *name) { int sum; @@ -4540,7 +4538,7 @@ yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory, struct ylist_head *i; YCHAR buffer[YAFFS_MAX_NAME_LENGTH + 1]; - yaffs_Object *l; + yaffs_obj_t *l; if (!name) return NULL; @@ -4548,38 +4546,38 @@ yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory, if (!directory) { T(YAFFS_TRACE_ALWAYS, (TSTR - ("tragedy: yaffs_FindObjectByName: null pointer directory" + ("tragedy: yaffs_find_by_name: null pointer directory" TENDSTR))); YBUG(); return NULL; } - if (directory->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { + if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { T(YAFFS_TRACE_ALWAYS, (TSTR - ("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR))); + ("tragedy: yaffs_find_by_name: non-directory" TENDSTR))); YBUG(); } - sum = yaffs_CalcNameSum(name); + sum = yaffs_calc_name_sum(name); - ylist_for_each(i, &directory->variant.directoryVariant.children) { + ylist_for_each(i, &directory->variant.dir_variant.children) { if (i) { - l = ylist_entry(i, yaffs_Object, siblings); + l = ylist_entry(i, yaffs_obj_t, siblings); if (l->parent != directory) YBUG(); - yaffs_CheckObjectDetailsLoaded(l); + yaffs_check_obj_details_loaded(l); /* Special case for lost-n-found */ - if (l->objectId == YAFFS_OBJECTID_LOSTNFOUND) { + if (l->obj_id == YAFFS_OBJECTID_LOSTNFOUND) { if (yaffs_strcmp(name, YAFFS_LOSTNFOUND_NAME) == 0) return l; - } else if (yaffs_SumCompare(l->sum, sum) || l->hdrChunk <= 0) { + } else if (yaffs_sum_cmp(l->sum, sum) || l->hdr_chunk <= 0) { /* LostnFound chunk called Objxxx * Do a real check */ - yaffs_GetObjectName(l, buffer, + yaffs_get_obj_name(l, buffer, YAFFS_MAX_NAME_LENGTH + 1); if (yaffs_strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH) == 0) return l; @@ -4592,31 +4590,31 @@ yaffs_Object *yaffs_FindObjectByName(yaffs_Object *directory, #if 0 -int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir, - int (*fn) (yaffs_Object *)) +int yaffs_ApplyToDirectoryChildren(yaffs_obj_t *the_dir, + int (*fn) (yaffs_obj_t *)) { struct ylist_head *i; - yaffs_Object *l; + yaffs_obj_t *l; - if (!theDir) { + if (!the_dir) { T(YAFFS_TRACE_ALWAYS, (TSTR - ("tragedy: yaffs_FindObjectByName: null pointer directory" + ("tragedy: yaffs_find_by_name: null pointer directory" TENDSTR))); YBUG(); return YAFFS_FAIL; } - if (theDir->variantType != YAFFS_OBJECT_TYPE_DIRECTORY) { + if (the_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { T(YAFFS_TRACE_ALWAYS, (TSTR - ("tragedy: yaffs_FindObjectByName: non-directory" TENDSTR))); + ("tragedy: yaffs_find_by_name: non-directory" TENDSTR))); YBUG(); return YAFFS_FAIL; } - ylist_for_each(i, &theDir->variant.directoryVariant.children) { + ylist_for_each(i, &the_dir->variant.dir_variant.children) { if (i) { - l = ylist_entry(i, yaffs_Object, siblings); + l = ylist_entry(i, yaffs_obj_t, siblings); if (l && !fn(l)) return YAFFS_FAIL; } @@ -4631,12 +4629,12 @@ int yaffs_ApplyToDirectoryChildren(yaffs_Object *theDir, * actual object. */ -yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj) +yaffs_obj_t *yaffs_get_equivalent_obj(yaffs_obj_t *obj) { - if (obj && obj->variantType == YAFFS_OBJECT_TYPE_HARDLINK) { + if (obj && obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) { /* We want the object id of the equivalent object, not this one */ - obj = obj->variant.hardLinkVariant.equivalentObject; - yaffs_CheckObjectDetailsLoaded(obj); + obj = obj->variant.hardlink_variant.equiv_obj; + yaffs_check_obj_details_loaded(obj); } return obj; } @@ -4660,14 +4658,14 @@ yaffs_Object *yaffs_GetEquivalentObject(yaffs_Object *obj) * starting at oh->name[1]. */ -static void yaffs_FixNullName(yaffs_Object * obj,YCHAR * name, int buffSize) +static void yaffs_fix_null_name(yaffs_obj_t * obj,YCHAR * name, int buffer_size) { /* Create an object name if we could not find one. */ if(yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH) == 0){ YCHAR locName[20]; YCHAR numString[20]; YCHAR *x = &numString[19]; - unsigned v = obj->objectId; + unsigned v = obj->obj_id; numString[19] = 0; while(v>0){ x--; @@ -4677,14 +4675,14 @@ static void yaffs_FixNullName(yaffs_Object * obj,YCHAR * name, int buffSize) /* make up a name */ yaffs_strcpy(locName, YAFFS_LOSTNFOUND_PREFIX); yaffs_strcat(locName,x); - yaffs_strncpy(name, locName, buffSize - 1); + yaffs_strncpy(name, locName, buffer_size - 1); } } -static void yaffs_LoadNameFromObjectHeader(yaffs_Device *dev,YCHAR *name, const YCHAR *ohName, int bufferSize) +static void yaffs_load_name_from_oh(yaffs_dev_t *dev,YCHAR *name, const YCHAR *ohName, int bufferSize) { #ifdef CONFIG_YAFFS_AUTO_UNICODE - if(dev->param.autoUnicode){ + if(dev->param.auto_unicode){ if(*ohName){ /* It is an ASCII name, so do an ASCII to unicode conversion */ const char *asciiOhName = (const char *)ohName; @@ -4703,14 +4701,14 @@ static void yaffs_LoadNameFromObjectHeader(yaffs_Device *dev,YCHAR *name, const } -static void yaffs_LoadObjectHeaderFromName(yaffs_Device *dev, YCHAR *ohName, const YCHAR *name) +static void yaffs_load_oh_from_name(yaffs_dev_t *dev, YCHAR *ohName, const YCHAR *name) { #ifdef CONFIG_YAFFS_AUTO_UNICODE int isAscii; YCHAR *w; - if(dev->param.autoUnicode){ + if(dev->param.auto_unicode){ isAscii = 1; w = name; @@ -4744,62 +4742,62 @@ static void yaffs_LoadObjectHeaderFromName(yaffs_Device *dev, YCHAR *ohName, con } -int yaffs_GetObjectName(yaffs_Object * obj, YCHAR * name, int buffSize) +int yaffs_get_obj_name(yaffs_obj_t * obj, YCHAR * name, int buffer_size) { - memset(name, 0, buffSize * sizeof(YCHAR)); + memset(name, 0, buffer_size * sizeof(YCHAR)); - yaffs_CheckObjectDetailsLoaded(obj); + yaffs_check_obj_details_loaded(obj); - if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) { - yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffSize - 1); + if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) { + yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1); } #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM - else if (obj->shortName[0]) { - yaffs_strcpy(name, obj->shortName); + else if (obj->short_name[0]) { + yaffs_strcpy(name, obj->short_name); } #endif - else if(obj->hdrChunk > 0) { + else if(obj->hdr_chunk > 0) { int result; - __u8 *buffer = yaffs_GetTempBuffer(obj->myDev, __LINE__); + __u8 *buffer = yaffs_get_temp_buffer(obj->my_dev, __LINE__); - yaffs_ObjectHeader *oh = (yaffs_ObjectHeader *) buffer; + yaffs_obj_header *oh = (yaffs_obj_header *) buffer; - memset(buffer, 0, obj->myDev->nDataBytesPerChunk); + memset(buffer, 0, obj->my_dev->data_bytes_per_chunk); - if (obj->hdrChunk > 0) { - result = yaffs_ReadChunkWithTagsFromNAND(obj->myDev, - obj->hdrChunk, buffer, + if (obj->hdr_chunk > 0) { + result = yaffs_rd_chunk_tags_nand(obj->my_dev, + obj->hdr_chunk, buffer, NULL); } - yaffs_LoadNameFromObjectHeader(obj->myDev,name,oh->name,buffSize); + yaffs_load_name_from_oh(obj->my_dev,name,oh->name,buffer_size); - yaffs_ReleaseTempBuffer(obj->myDev, buffer, __LINE__); + yaffs_release_temp_buffer(obj->my_dev, buffer, __LINE__); } - yaffs_FixNullName(obj,name,buffSize); + yaffs_fix_null_name(obj,name,buffer_size); return yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH); } -int yaffs_GetObjectFileLength(yaffs_Object *obj) +int yaffs_get_obj_length(yaffs_obj_t *obj) { /* Dereference any hard linking */ - obj = yaffs_GetEquivalentObject(obj); + obj = yaffs_get_equivalent_obj(obj); - if (obj->variantType == YAFFS_OBJECT_TYPE_FILE) - return obj->variant.fileVariant.fileSize; - if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK){ - if(!obj->variant.symLinkVariant.alias) + if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) + return obj->variant.file_variant.file_size; + if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK){ + if(!obj->variant.symlink_variant.alias) return 0; - return yaffs_strnlen(obj->variant.symLinkVariant.alias,YAFFS_MAX_ALIAS_LENGTH); + return yaffs_strnlen(obj->variant.symlink_variant.alias,YAFFS_MAX_ALIAS_LENGTH); } else { /* Only a directory should drop through to here */ - return obj->myDev->nDataBytesPerChunk; + return obj->my_dev->data_bytes_per_chunk; } } -int yaffs_GetObjectLinkCount(yaffs_Object *obj) +int yaffs_get_obj_link_count(yaffs_obj_t *obj) { int count = 0; struct ylist_head *i; @@ -4807,24 +4805,24 @@ int yaffs_GetObjectLinkCount(yaffs_Object *obj) if (!obj->unlinked) count++; /* the object itself */ - ylist_for_each(i, &obj->hardLinks) + ylist_for_each(i, &obj->hard_links) count++; /* add the hard links; */ return count; } -int yaffs_GetObjectInode(yaffs_Object *obj) +int yaffs_get_obj_inode(yaffs_obj_t *obj) { - obj = yaffs_GetEquivalentObject(obj); + obj = yaffs_get_equivalent_obj(obj); - return obj->objectId; + return obj->obj_id; } -unsigned yaffs_GetObjectType(yaffs_Object *obj) +unsigned yaffs_get_obj_type(yaffs_obj_t *obj) { - obj = yaffs_GetEquivalentObject(obj); + obj = yaffs_get_equivalent_obj(obj); - switch (obj->variantType) { + switch (obj->variant_type) { case YAFFS_OBJECT_TYPE_FILE: return DT_REG; break; @@ -4852,18 +4850,18 @@ unsigned yaffs_GetObjectType(yaffs_Object *obj) } } -YCHAR *yaffs_GetSymlinkAlias(yaffs_Object *obj) +YCHAR *yaffs_get_symlink_alias(yaffs_obj_t *obj) { - obj = yaffs_GetEquivalentObject(obj); - if (obj->variantType == YAFFS_OBJECT_TYPE_SYMLINK) - return yaffs_CloneString(obj->variant.symLinkVariant.alias); + obj = yaffs_get_equivalent_obj(obj); + if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) + return yaffs_clone_str(obj->variant.symlink_variant.alias); else - return yaffs_CloneString(_Y("")); + return yaffs_clone_str(_Y("")); } #ifndef CONFIG_YAFFS_WINCE -int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr) +int yaffs_set_attribs(yaffs_obj_t *obj, struct iattr *attr) { unsigned int valid = attr->ia_valid; @@ -4882,14 +4880,14 @@ int yaffs_SetAttributes(yaffs_Object *obj, struct iattr *attr) obj->yst_mtime = Y_TIME_CONVERT(attr->ia_mtime); if (valid & ATTR_SIZE) - yaffs_ResizeFile(obj, attr->ia_size); + yaffs_resize_file(obj, attr->ia_size); - yaffs_UpdateObjectHeader(obj, NULL, 1, 0, 0, NULL); + yaffs_update_oh(obj, NULL, 1, 0, 0, NULL); return YAFFS_OK; } -int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr) +int yaffs_get_attribs(yaffs_obj_t *obj, struct iattr *attr) { unsigned int valid = 0; @@ -4907,7 +4905,7 @@ int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr) Y_TIME_CONVERT(attr->ia_mtime) = obj->yst_mtime; valid |= ATTR_MTIME; - attr->ia_size = yaffs_GetFileSize(obj); + attr->ia_size = yaffs_get_file_size(obj); valid |= ATTR_SIZE; attr->ia_valid = valid; @@ -4918,9 +4916,9 @@ int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr) #endif -static int yaffs_DoXMod(yaffs_Object *obj, int set, const YCHAR *name, const void *value, int size, int flags) +static int yaffs_do_xattrib_mod(yaffs_obj_t *obj, int set, const YCHAR *name, const void *value, int size, int flags) { - yaffs_XAttrMod xmod; + yaffs_xattr_mod xmod; int result; @@ -4931,7 +4929,7 @@ static int yaffs_DoXMod(yaffs_Object *obj, int set, const YCHAR *name, const voi xmod.flags = flags; xmod.result = -ENOSPC; - result = yaffs_UpdateObjectHeader(obj, NULL, 0, 0, 0, &xmod); + result = yaffs_update_oh(obj, NULL, 0, 0, 0, &xmod); if(result > 0) return xmod.result; @@ -4939,11 +4937,12 @@ static int yaffs_DoXMod(yaffs_Object *obj, int set, const YCHAR *name, const voi return -ENOSPC; } -static int yaffs_ApplyXMod(yaffs_Device *dev, char *buffer, yaffs_XAttrMod *xmod) +static int yaffs_apply_xattrib_mod(yaffs_obj_t *obj, char *buffer, yaffs_xattr_mod *xmod) { int retval = 0; - int x_offs = sizeof(yaffs_ObjectHeader); - int x_size = dev->nDataBytesPerChunk - sizeof(yaffs_ObjectHeader); + int x_offs = sizeof(yaffs_obj_header); + yaffs_dev_t *dev = obj->my_dev; + int x_size = dev->data_bytes_per_chunk - sizeof(yaffs_obj_header); char * x_buffer = buffer + x_offs; @@ -4952,83 +4951,101 @@ static int yaffs_ApplyXMod(yaffs_Device *dev, char *buffer, yaffs_XAttrMod *xmod else retval = nval_del(x_buffer, x_size, xmod->name); + obj->has_xattr = nval_hasvalues(x_buffer, x_size); + obj->xattr_known = 1; + xmod->result = retval; return retval; } -static int yaffs_DoXFetch(yaffs_Object *obj, const YCHAR *name, void *value, int size) +static int yaffs_do_xattrib_fetch(yaffs_obj_t *obj, const YCHAR *name, void *value, int size) { char *buffer = NULL; int result; - yaffs_ExtendedTags tags; - yaffs_Device *dev = obj->myDev; - int x_offs = sizeof(yaffs_ObjectHeader); - int x_size = dev->nDataBytesPerChunk - sizeof(yaffs_ObjectHeader); + yaffs_ext_tags tags; + yaffs_dev_t *dev = obj->my_dev; + int x_offs = sizeof(yaffs_obj_header); + int x_size = dev->data_bytes_per_chunk - sizeof(yaffs_obj_header); - __u8 * x_buffer; + char * x_buffer; int retval = 0; - if(obj->hdrChunk < 1) + if(obj->hdr_chunk < 1) return -ENODATA; - buffer = yaffs_GetTempBuffer(dev, __LINE__); + /* If we know that the object has no xattribs then don't do all the + * reading and parsing. + */ + if(obj->xattr_known && !obj->has_xattr){ + if(name) + return -ENODATA; + else + return 0; + } + + buffer = (char *) yaffs_get_temp_buffer(dev, __LINE__); if(!buffer) return -ENOMEM; - result = yaffs_ReadChunkWithTagsFromNAND(dev,obj->hdrChunk, buffer, &tags); + result = yaffs_rd_chunk_tags_nand(dev,obj->hdr_chunk, (__u8 *)buffer, &tags); if(result != YAFFS_OK) retval = -ENOENT; else{ x_buffer = buffer + x_offs; + if (!obj->xattr_known){ + obj->has_xattr = nval_hasvalues(x_buffer, x_size); + obj->xattr_known = 1; + } + if(name) retval = nval_get(x_buffer, x_size, name, value, size); else retval = nval_list(x_buffer, x_size, value,size); } - yaffs_ReleaseTempBuffer(dev,buffer,__LINE__); + yaffs_release_temp_buffer(dev,(__u8 *)buffer,__LINE__); return retval; } -int yaffs_SetXAttribute(yaffs_Object *obj, const YCHAR *name, const void * value, int size, int flags) +int yaffs_set_xattrib(yaffs_obj_t *obj, const YCHAR *name, const void * value, int size, int flags) { - return yaffs_DoXMod(obj, 1, name, value, size, flags); + return yaffs_do_xattrib_mod(obj, 1, name, value, size, flags); } -int yaffs_RemoveXAttribute(yaffs_Object *obj, const YCHAR *name) +int yaffs_remove_xattrib(yaffs_obj_t *obj, const YCHAR *name) { - return yaffs_DoXMod(obj, 0, name, NULL, 0, 0); + return yaffs_do_xattrib_mod(obj, 0, name, NULL, 0, 0); } -int yaffs_GetXAttribute(yaffs_Object *obj, const YCHAR *name, void *value, int size) +int yaffs_get_xattrib(yaffs_obj_t *obj, const YCHAR *name, void *value, int size) { - return yaffs_DoXFetch(obj, name, value, size); + return yaffs_do_xattrib_fetch(obj, name, value, size); } -int yaffs_ListXAttributes(yaffs_Object *obj, char *buffer, int size) +int yaffs_list_xattrib(yaffs_obj_t *obj, char *buffer, int size) { - return yaffs_DoXFetch(obj, NULL, buffer,size); + return yaffs_do_xattrib_fetch(obj, NULL, buffer,size); } #if 0 -int yaffs_DumpObject(yaffs_Object *obj) +int yaffs_dump_obj(yaffs_obj_t *obj) { YCHAR name[257]; - yaffs_GetObjectName(obj, name, YAFFS_MAX_NAME_LENGTH + 1); + yaffs_get_obj_name(obj, name, YAFFS_MAX_NAME_LENGTH + 1); T(YAFFS_TRACE_ALWAYS, (TSTR ("Object %d, inode %d \"%s\"\n dirty %d valid %d serial %d sum %d" " chunk %d type %d size %d\n" - TENDSTR), obj->objectId, yaffs_GetObjectInode(obj), name, - obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdrChunk, - yaffs_GetObjectType(obj), yaffs_GetObjectFileLength(obj))); + TENDSTR), obj->obj_id, yaffs_get_obj_inode(obj), name, + obj->dirty, obj->valid, obj->serial, obj->sum, obj->hdr_chunk, + yaffs_get_obj_type(obj), yaffs_get_obj_length(obj))); return YAFFS_OK; } @@ -5036,74 +5053,74 @@ int yaffs_DumpObject(yaffs_Object *obj) /*---------------------------- Initialisation code -------------------------------------- */ -static int yaffs_CheckDevFunctions(const yaffs_Device *dev) +static int yaffs_cehck_dev_fns(const yaffs_dev_t *dev) { /* Common functions, gotta have */ - if (!dev->param.eraseBlockInNAND || !dev->param.initialiseNAND) + if (!dev->param.erase_fn || !dev->param.initialise_flash_fn) return 0; #ifdef CONFIG_YAFFS_YAFFS2 /* Can use the "with tags" style interface for yaffs1 or yaffs2 */ - if (dev->param.writeChunkWithTagsToNAND && - dev->param.readChunkWithTagsFromNAND && - !dev->param.writeChunkToNAND && - !dev->param.readChunkFromNAND && - dev->param.markNANDBlockBad && - dev->param.queryNANDBlock) + if (dev->param.write_chunk_tags_fn && + dev->param.read_chunk_tags_fn && + !dev->param.write_chunk_fn && + !dev->param.read_chunk_fn && + dev->param.bad_block_fn && + dev->param.query_block_fn) return 1; #endif /* Can use the "spare" style interface for yaffs1 */ - if (!dev->param.isYaffs2 && - !dev->param.writeChunkWithTagsToNAND && - !dev->param.readChunkWithTagsFromNAND && - dev->param.writeChunkToNAND && - dev->param.readChunkFromNAND && - !dev->param.markNANDBlockBad && - !dev->param.queryNANDBlock) + if (!dev->param.is_yaffs2 && + !dev->param.write_chunk_tags_fn && + !dev->param.read_chunk_tags_fn && + dev->param.write_chunk_fn && + dev->param.read_chunk_fn && + !dev->param.bad_block_fn && + !dev->param.query_block_fn) return 1; return 0; /* bad */ } -static int yaffs_CreateInitialDirectories(yaffs_Device *dev) +static int yaffs_create_initial_dir(yaffs_dev_t *dev) { /* Initialise the unlinked, deleted, root and lost and found directories */ - dev->lostNFoundDir = dev->rootDir = NULL; - dev->unlinkedDir = dev->deletedDir = NULL; + dev->lost_n_found = dev->root_dir = NULL; + dev->unlinked_dir = dev->del_dir = NULL; - dev->unlinkedDir = - yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_UNLINKED, S_IFDIR); + dev->unlinked_dir = + yaffs_create_fake_dir(dev, YAFFS_OBJECTID_UNLINKED, S_IFDIR); - dev->deletedDir = - yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_DELETED, S_IFDIR); + dev->del_dir = + yaffs_create_fake_dir(dev, YAFFS_OBJECTID_DELETED, S_IFDIR); - dev->rootDir = - yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_ROOT, + dev->root_dir = + yaffs_create_fake_dir(dev, YAFFS_OBJECTID_ROOT, YAFFS_ROOT_MODE | S_IFDIR); - dev->lostNFoundDir = - yaffs_CreateFakeDirectory(dev, YAFFS_OBJECTID_LOSTNFOUND, + dev->lost_n_found = + yaffs_create_fake_dir(dev, YAFFS_OBJECTID_LOSTNFOUND, YAFFS_LOSTNFOUND_MODE | S_IFDIR); - if (dev->lostNFoundDir && dev->rootDir && dev->unlinkedDir && dev->deletedDir) { - yaffs_AddObjectToDirectory(dev->rootDir, dev->lostNFoundDir); + if (dev->lost_n_found && dev->root_dir && dev->unlinked_dir && dev->del_dir) { + yaffs_add_obj_to_dir(dev->root_dir, dev->lost_n_found); return YAFFS_OK; } return YAFFS_FAIL; } -int yaffs_GutsInitialise(yaffs_Device *dev) +int yaffs_guts_initialise(yaffs_dev_t *dev) { int init_failed = 0; unsigned x; int bits; - T(YAFFS_TRACE_TRACING, (TSTR("yaffs: yaffs_GutsInitialise()" TENDSTR))); + T(YAFFS_TRACE_TRACING, (TSTR("yaffs: yaffs_guts_initialise()" TENDSTR))); /* Check stuff that must be set */ @@ -5112,52 +5129,52 @@ int yaffs_GutsInitialise(yaffs_Device *dev) return YAFFS_FAIL; } - dev->internalStartBlock = dev->param.startBlock; - dev->internalEndBlock = dev->param.endBlock; - dev->blockOffset = 0; - dev->chunkOffset = 0; - dev->nFreeChunks = 0; + dev->internal_start_block = dev->param.start_block; + dev->internal_end_block = dev->param.end_block; + dev->block_offset = 0; + dev->chunk_offset = 0; + dev->n_free_chunks = 0; - dev->gcBlock = 0; + dev->gc_block = 0; - if (dev->param.startBlock == 0) { - dev->internalStartBlock = dev->param.startBlock + 1; - dev->internalEndBlock = dev->param.endBlock + 1; - dev->blockOffset = 1; - dev->chunkOffset = dev->param.nChunksPerBlock; + if (dev->param.start_block == 0) { + dev->internal_start_block = dev->param.start_block + 1; + dev->internal_end_block = dev->param.end_block + 1; + dev->block_offset = 1; + dev->chunk_offset = dev->param.chunks_per_block; } /* Check geometry parameters. */ - if ((!dev->param.inbandTags && dev->param.isYaffs2 && dev->param.totalBytesPerChunk < 1024) || - (!dev->param.isYaffs2 && dev->param.totalBytesPerChunk < 512) || - (dev->param.inbandTags && !dev->param.isYaffs2) || - dev->param.nChunksPerBlock < 2 || - dev->param.nReservedBlocks < 2 || - dev->internalStartBlock <= 0 || - dev->internalEndBlock <= 0 || - dev->internalEndBlock <= (dev->internalStartBlock + dev->param.nReservedBlocks + 2)) { /* otherwise it is too small */ + if ((!dev->param.inband_tags && dev->param.is_yaffs2 && dev->param.total_bytes_per_chunk < 1024) || + (!dev->param.is_yaffs2 && dev->param.total_bytes_per_chunk < 512) || + (dev->param.inband_tags && !dev->param.is_yaffs2) || + dev->param.chunks_per_block < 2 || + dev->param.n_reserved_blocks < 2 || + dev->internal_start_block <= 0 || + dev->internal_end_block <= 0 || + dev->internal_end_block <= (dev->internal_start_block + dev->param.n_reserved_blocks + 2)) { /* otherwise it is too small */ T(YAFFS_TRACE_ALWAYS, (TSTR - ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inbandTags %d " - TENDSTR), dev->param.totalBytesPerChunk, dev->param.isYaffs2 ? "2" : "", dev->param.inbandTags)); + ("yaffs: NAND geometry problems: chunk size %d, type is yaffs%s, inband_tags %d " + TENDSTR), dev->param.total_bytes_per_chunk, dev->param.is_yaffs2 ? "2" : "", dev->param.inband_tags)); return YAFFS_FAIL; } - if (yaffs_InitialiseNAND(dev) != YAFFS_OK) { + if (yaffs_init_nand(dev) != YAFFS_OK) { T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: InitialiseNAND failed" TENDSTR))); return YAFFS_FAIL; } /* Sort out space for inband tags, if required */ - if (dev->param.inbandTags) - dev->nDataBytesPerChunk = dev->param.totalBytesPerChunk - sizeof(yaffs_PackedTags2TagsPart); + if (dev->param.inband_tags) + dev->data_bytes_per_chunk = dev->param.total_bytes_per_chunk - sizeof(yaffs_PackedTags2TagsPart); else - dev->nDataBytesPerChunk = dev->param.totalBytesPerChunk; + dev->data_bytes_per_chunk = dev->param.total_bytes_per_chunk; /* Got the right mix of functions? */ - if (!yaffs_CheckDevFunctions(dev)) { + if (!yaffs_cehck_dev_fns(dev)) { /* Function missing */ T(YAFFS_TRACE_ALWAYS, (TSTR @@ -5167,13 +5184,13 @@ int yaffs_GutsInitialise(yaffs_Device *dev) } /* This is really a compilation check. */ - if (!yaffs_CheckStructures()) { + if (!yaffs_check_structures()) { T(YAFFS_TRACE_ALWAYS, - (TSTR("yaffs_CheckStructures failed\n" TENDSTR))); + (TSTR("yaffs_check_structures failed\n" TENDSTR))); return YAFFS_FAIL; } - if (dev->isMounted) { + if (dev->is_mounted) { T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: device already mounted\n" TENDSTR))); return YAFFS_FAIL; @@ -5181,62 +5198,62 @@ int yaffs_GutsInitialise(yaffs_Device *dev) /* Finished with most checks. One or two more checks happen later on too. */ - dev->isMounted = 1; + dev->is_mounted = 1; /* OK now calculate a few things for the device */ /* * Calculate all the chunk size manipulation numbers: */ - x = dev->nDataBytesPerChunk; - /* We always use dev->chunkShift and dev->chunkDiv */ - dev->chunkShift = Shifts(x); - x >>= dev->chunkShift; - dev->chunkDiv = x; - /* We only use chunk mask if chunkDiv is 1 */ - dev->chunkMask = (1<chunkShift) - 1; + x = dev->data_bytes_per_chunk; + /* We always use dev->chunk_shift and dev->chunk_div */ + dev->chunk_shift = Shifts(x); + x >>= dev->chunk_shift; + dev->chunk_div = x; + /* We only use chunk mask if chunk_div is 1 */ + dev->chunk_mask = (1<chunk_shift) - 1; /* - * Calculate chunkGroupBits. - * We need to find the next power of 2 > than internalEndBlock + * Calculate chunk_grp_bits. + * We need to find the next power of 2 > than internal_end_block */ - x = dev->param.nChunksPerBlock * (dev->internalEndBlock + 1); + x = dev->param.chunks_per_block * (dev->internal_end_block + 1); bits = ShiftsGE(x); /* Set up tnode width if wide tnodes are enabled. */ - if (!dev->param.wideTnodesDisabled) { + if (!dev->param.wide_tnodes_disabled) { /* bits must be even so that we end up with 32-bit words */ if (bits & 1) bits++; if (bits < 16) - dev->tnodeWidth = 16; + dev->tnode_width = 16; else - dev->tnodeWidth = bits; + dev->tnode_width = bits; } else - dev->tnodeWidth = 16; + dev->tnode_width = 16; - dev->tnodeMask = (1<tnodeWidth)-1; + dev->tnode_mask = (1<tnode_width)-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 + * to figure out chunk shift and chunk_grp_size */ - if (bits <= dev->tnodeWidth) - dev->chunkGroupBits = 0; + if (bits <= dev->tnode_width) + dev->chunk_grp_bits = 0; else - dev->chunkGroupBits = bits - dev->tnodeWidth; + dev->chunk_grp_bits = bits - dev->tnode_width; - dev->tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8; - if(dev->tnodeSize < sizeof(yaffs_Tnode)) - dev->tnodeSize = sizeof(yaffs_Tnode); + dev->tnode_size = (dev->tnode_width * YAFFS_NTNODES_LEVEL0)/8; + if(dev->tnode_size < sizeof(yaffs_tnode_t)) + dev->tnode_size = sizeof(yaffs_tnode_t); - dev->chunkGroupSize = 1 << dev->chunkGroupBits; + dev->chunk_grp_size = 1 << dev->chunk_grp_bits; - if (dev->param.nChunksPerBlock < dev->chunkGroupSize) { + if (dev->param.chunks_per_block < dev->chunk_grp_size) { /* We have a problem because the soft delete won't work if * the chunk group size > chunks per block. * This can be remedied by using larger "virtual blocks". @@ -5250,89 +5267,89 @@ int yaffs_GutsInitialise(yaffs_Device *dev) /* OK, we've finished verifying the device, lets continue with initialisation */ /* More device initialisation */ - dev->allGCs = 0; - dev->passiveGCs = 0; - dev->oldestDirtyGCs = 0; - dev->backgroundGCs = 0; - dev->gcBlockFinder = 0; - dev->bufferedBlock = -1; - dev->doingBufferedBlockRewrite = 0; - dev->nDeletedFiles = 0; - dev->nBackgroundDeletions = 0; - dev->nUnlinkedFiles = 0; - dev->eccFixed = 0; - dev->eccUnfixed = 0; - dev->tagsEccFixed = 0; - dev->tagsEccUnfixed = 0; - dev->nErasureFailures = 0; - dev->nErasedBlocks = 0; - dev->gcDisable= 0; - dev->hasPendingPrioritisedGCs = 1; /* Assume the worst for now, will get fixed on first GC */ - YINIT_LIST_HEAD(&dev->dirtyDirectories); - dev->oldestDirtySequence = 0; - dev->oldestDirtyBlock = 0; + dev->all_gcs = 0; + dev->passive_gc_count = 0; + dev->oldest_dirty_gc_count = 0; + dev->bg_gcs = 0; + dev->gc_block_finder = 0; + dev->buffered_block = -1; + dev->doing_buffered_block_rewrite = 0; + dev->n_deleted_files = 0; + dev->n_bg_deletions = 0; + dev->n_unlinked_files = 0; + dev->n_ecc_fixed = 0; + dev->n_ecc_unfixed = 0; + dev->n_tags_ecc_fixed = 0; + dev->n_tags_ecc_unfixed = 0; + dev->n_erase_failures = 0; + dev->n_erased_blocks = 0; + dev->gc_disable= 0; + dev->has_pending_prioritised_gc = 1; /* Assume the worst for now, will get fixed on first GC */ + YINIT_LIST_HEAD(&dev->dirty_dirs); + dev->oldest_dirty_seq = 0; + dev->oldest_dirty_block = 0; /* Initialise temporary buffers and caches. */ - if (!yaffs_InitialiseTempBuffers(dev)) + if (!yaffs_init_tmp_buffers(dev)) init_failed = 1; - dev->srCache = NULL; - dev->gcCleanupList = NULL; + dev->cache = NULL; + dev->gc_cleanup_list = NULL; if (!init_failed && - dev->param.nShortOpCaches > 0) { + dev->param.n_caches > 0) { int i; void *buf; - int srCacheBytes = dev->param.nShortOpCaches * sizeof(yaffs_ChunkCache); + int cacheBytes = dev->param.n_caches * sizeof(yaffs_cache_t); - if (dev->param.nShortOpCaches > YAFFS_MAX_SHORT_OP_CACHES) - dev->param.nShortOpCaches = YAFFS_MAX_SHORT_OP_CACHES; + if (dev->param.n_caches > YAFFS_MAX_SHORT_OP_CACHES) + dev->param.n_caches = YAFFS_MAX_SHORT_OP_CACHES; - dev->srCache = YMALLOC(srCacheBytes); + dev->cache = YMALLOC(cacheBytes); - buf = (__u8 *) dev->srCache; + buf = (__u8 *) dev->cache; - if (dev->srCache) - memset(dev->srCache, 0, srCacheBytes); + if (dev->cache) + memset(dev->cache, 0, cacheBytes); - for (i = 0; i < dev->param.nShortOpCaches && buf; i++) { - dev->srCache[i].object = NULL; - dev->srCache[i].lastUse = 0; - dev->srCache[i].dirty = 0; - dev->srCache[i].data = buf = YMALLOC_DMA(dev->param.totalBytesPerChunk); + for (i = 0; i < dev->param.n_caches && buf; i++) { + dev->cache[i].object = NULL; + dev->cache[i].last_use = 0; + dev->cache[i].dirty = 0; + dev->cache[i].data = buf = YMALLOC_DMA(dev->param.total_bytes_per_chunk); } if (!buf) init_failed = 1; - dev->srLastUse = 0; + dev->cache_last_use = 0; } - dev->cacheHits = 0; + dev->cache_hits = 0; if (!init_failed) { - dev->gcCleanupList = YMALLOC(dev->param.nChunksPerBlock * sizeof(__u32)); - if (!dev->gcCleanupList) + dev->gc_cleanup_list = YMALLOC(dev->param.chunks_per_block * sizeof(__u32)); + if (!dev->gc_cleanup_list) init_failed = 1; } - if (dev->param.isYaffs2) - dev->param.useHeaderFileSize = 1; + if (dev->param.is_yaffs2) + dev->param.use_header_file_size = 1; - if (!init_failed && !yaffs_InitialiseBlocks(dev)) + if (!init_failed && !yaffs_init_blocks(dev)) init_failed = 1; - yaffs_InitialiseTnodesAndObjects(dev); + yaffs_init_tnodes_and_objs(dev); - if (!init_failed && !yaffs_CreateInitialDirectories(dev)) + if (!init_failed && !yaffs_create_initial_dir(dev)) init_failed = 1; if (!init_failed) { /* Now scan the flash. */ - if (dev->param.isYaffs2) { - if (yaffs2_CheckpointRestore(dev)) { - yaffs_CheckObjectDetailsLoaded(dev->rootDir); + if (dev->param.is_yaffs2) { + if (yaffs2_checkpt_restore(dev)) { + yaffs_check_obj_details_loaded(dev->root_dir); T(YAFFS_TRACE_ALWAYS, (TSTR("yaffs: restored from checkpoint" TENDSTR))); } else { @@ -5340,118 +5357,118 @@ int yaffs_GutsInitialise(yaffs_Device *dev) /* Clean up the mess caused by an aborted checkpoint load * and scan backwards. */ - yaffs_DeinitialiseBlocks(dev); + yaffs_deinit_blocks(dev); - yaffs_DeinitialiseTnodesAndObjects(dev); + yaffs_deinit_tnodes_and_objs(dev); - dev->nErasedBlocks = 0; - dev->nFreeChunks = 0; - dev->allocationBlock = -1; - dev->allocationPage = -1; - dev->nDeletedFiles = 0; - dev->nUnlinkedFiles = 0; - dev->nBackgroundDeletions = 0; + dev->n_erased_blocks = 0; + dev->n_free_chunks = 0; + dev->alloc_block = -1; + dev->alloc_page = -1; + dev->n_deleted_files = 0; + dev->n_unlinked_files = 0; + dev->n_bg_deletions = 0; - if (!init_failed && !yaffs_InitialiseBlocks(dev)) + if (!init_failed && !yaffs_init_blocks(dev)) init_failed = 1; - yaffs_InitialiseTnodesAndObjects(dev); + yaffs_init_tnodes_and_objs(dev); - if (!init_failed && !yaffs_CreateInitialDirectories(dev)) + if (!init_failed && !yaffs_create_initial_dir(dev)) init_failed = 1; - if (!init_failed && !yaffs2_ScanBackwards(dev)) + if (!init_failed && !yaffs2_scan_backwards(dev)) init_failed = 1; } - } else if (!yaffs1_Scan(dev)) + } else if (!yaffs1_scan(dev)) init_failed = 1; - yaffs_StripDeletedObjects(dev); - yaffs_FixHangingObjects(dev); - if(dev->param.emptyLostAndFound) - yaffs_EmptyLostAndFound(dev); + yaffs_strip_deleted_objs(dev); + yaffs_fix_hanging_objs(dev); + if(dev->param.empty_lost_n_found) + yaffs_empty_l_n_f(dev); } if (init_failed) { /* Clean up the mess */ T(YAFFS_TRACE_TRACING, - (TSTR("yaffs: yaffs_GutsInitialise() aborted.\n" TENDSTR))); + (TSTR("yaffs: yaffs_guts_initialise() aborted.\n" TENDSTR))); - yaffs_Deinitialise(dev); + yaffs_deinitialise(dev); return YAFFS_FAIL; } /* Zero out stats */ - dev->nPageReads = 0; - dev->nPageWrites = 0; - dev->nBlockErasures = 0; - dev->nGCCopies = 0; - dev->nRetriedWrites = 0; + dev->n_page_reads = 0; + dev->n_page_writes = 0; + dev->n_erasures = 0; + dev->n_gc_copies = 0; + dev->n_retired_writes = 0; - dev->nRetiredBlocks = 0; + dev->n_retired_blocks = 0; - yaffs_VerifyFreeChunks(dev); - yaffs_VerifyBlocks(dev); + yaffs_verify_free_chunks(dev); + yaffs_verify_blocks(dev); /* Clean up any aborted checkpoint data */ - if(!dev->isCheckpointed && dev->blocksInCheckpoint > 0) - yaffs2_InvalidateCheckpoint(dev); + if(!dev->is_checkpointed && dev->blocks_in_checkpt > 0) + yaffs2_checkpt_invalidate(dev); T(YAFFS_TRACE_TRACING, - (TSTR("yaffs: yaffs_GutsInitialise() done.\n" TENDSTR))); + (TSTR("yaffs: yaffs_guts_initialise() done.\n" TENDSTR))); return YAFFS_OK; } -void yaffs_Deinitialise(yaffs_Device *dev) +void yaffs_deinitialise(yaffs_dev_t *dev) { - if (dev->isMounted) { + if (dev->is_mounted) { int i; - yaffs_DeinitialiseBlocks(dev); - yaffs_DeinitialiseTnodesAndObjects(dev); - if (dev->param.nShortOpCaches > 0 && - dev->srCache) { + yaffs_deinit_blocks(dev); + yaffs_deinit_tnodes_and_objs(dev); + if (dev->param.n_caches > 0 && + dev->cache) { - for (i = 0; i < dev->param.nShortOpCaches; i++) { - if (dev->srCache[i].data) - YFREE(dev->srCache[i].data); - dev->srCache[i].data = NULL; + for (i = 0; i < dev->param.n_caches; i++) { + if (dev->cache[i].data) + YFREE(dev->cache[i].data); + dev->cache[i].data = NULL; } - YFREE(dev->srCache); - dev->srCache = NULL; + YFREE(dev->cache); + dev->cache = NULL; } - YFREE(dev->gcCleanupList); + YFREE(dev->gc_cleanup_list); for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) - YFREE(dev->tempBuffer[i].buffer); + YFREE(dev->temp_buffer[i].buffer); - dev->isMounted = 0; + dev->is_mounted = 0; - if (dev->param.deinitialiseNAND) - dev->param.deinitialiseNAND(dev); + if (dev->param.deinitialise_flash_fn) + dev->param.deinitialise_flash_fn(dev); } } -int yaffs_CountFreeChunks(yaffs_Device *dev) +int yaffs_count_free_chunks(yaffs_dev_t *dev) { int nFree=0; int b; - yaffs_BlockInfo *blk; + yaffs_block_info_t *blk; - blk = dev->blockInfo; - for (b = dev->internalStartBlock; b <= dev->internalEndBlock; b++) { - switch (blk->blockState) { + blk = dev->block_info; + for (b = dev->internal_start_block; b <= dev->internal_end_block; b++) { + switch (blk->block_state) { case YAFFS_BLOCK_STATE_EMPTY: case YAFFS_BLOCK_STATE_ALLOCATING: case YAFFS_BLOCK_STATE_COLLECTING: case YAFFS_BLOCK_STATE_FULL: nFree += - (dev->param.nChunksPerBlock - blk->pagesInUse + - blk->softDeletions); + (dev->param.chunks_per_block - blk->pages_in_use + + blk->soft_del_pages); break; default: break; @@ -5462,7 +5479,7 @@ int yaffs_CountFreeChunks(yaffs_Device *dev) return nFree; } -int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev) +int yaffs_get_n_free_chunks(yaffs_dev_t *dev) { /* This is what we report to the outside world */ @@ -5472,28 +5489,28 @@ int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev) int i; #if 1 - nFree = dev->nFreeChunks; + nFree = dev->n_free_chunks; #else - nFree = yaffs_CountFreeChunks(dev); + nFree = yaffs_count_free_chunks(dev); #endif - nFree += dev->nDeletedFiles; + nFree += dev->n_deleted_files; /* Now count the number of dirty chunks in the cache and subtract those */ - for (nDirtyCacheChunks = 0, i = 0; i < dev->param.nShortOpCaches; i++) { - if (dev->srCache[i].dirty) + for (nDirtyCacheChunks = 0, i = 0; i < dev->param.n_caches; i++) { + if (dev->cache[i].dirty) nDirtyCacheChunks++; } nFree -= nDirtyCacheChunks; - nFree -= ((dev->param.nReservedBlocks + 1) * dev->param.nChunksPerBlock); + nFree -= ((dev->param.n_reserved_blocks + 1) * dev->param.chunks_per_block); /* Now we figure out how much to reserve for the checkpoint and report that... */ - blocksForCheckpoint = yaffs2_CalcCheckpointBlocksRequired(dev); + blocksForCheckpoint = yaffs_calc_checkpt_blocks_required(dev); - nFree -= (blocksForCheckpoint * dev->param.nChunksPerBlock); + nFree -= (blocksForCheckpoint * dev->param.chunks_per_block); if (nFree < 0) nFree = 0; @@ -5505,7 +5522,7 @@ int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev) /*---------------------------------------- YAFFS test code ----------------------*/ -#define yaffs_CheckStruct(structure, syze, name) \ +#define yaffs_check_struct(structure, syze, name) \ do { \ if (sizeof(structure) != syze) { \ T(YAFFS_TRACE_ALWAYS, (TSTR("%s should be %d but is %d\n" TENDSTR),\ @@ -5514,16 +5531,15 @@ int yaffs_GetNumberOfFreeChunks(yaffs_Device *dev) } \ } while (0) -static int yaffs_CheckStructures(void) +static int yaffs_check_structures(void) { -/* yaffs_CheckStruct(yaffs_Tags,8,"yaffs_Tags"); */ -/* yaffs_CheckStruct(yaffs_TagsUnion,8,"yaffs_TagsUnion"); */ -/* yaffs_CheckStruct(yaffs_Spare,16,"yaffs_Spare"); */ -#ifndef CONFIG_YAFFS_TNODE_LIST_DEBUG -/* yaffs_CheckStruct(yaffs_Tnode, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_Tnode"); */ -#endif +/* yaffs_check_struct(yaffs_tags_t,8,"yaffs_tags_t"); */ +/* yaffs_check_struct(yaffs_tags_union_t,8,"yaffs_tags_union_t"); */ +/* yaffs_check_struct(yaffs_spare,16,"yaffs_spare"); */ +/* yaffs_check_struct(yaffs_tnode_t, 2 * YAFFS_NTNODES_LEVEL0, "yaffs_tnode_t"); */ + #ifndef CONFIG_YAFFS_WINCE - yaffs_CheckStruct(yaffs_ObjectHeader, 512, "yaffs_ObjectHeader"); + yaffs_check_struct(yaffs_obj_header, 512, "yaffs_obj_header"); #endif return YAFFS_OK; }