X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.c;h=eea828a480e8f7e48927ff9b1f3a2dad60711610;hp=a8b850a71711dda636dc3dd330f5576f0d9c6f2b;hb=9bdabdaa8467f3f56359598434e0f6f254c100e9;hpb=bfb36fe45ceea5a7e8347b24a575ab627e60df94 diff --git a/yaffs_guts.c b/yaffs_guts.c index a8b850a..eea828a 100644 --- a/yaffs_guts.c +++ b/yaffs_guts.c @@ -10,10 +10,10 @@ * 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" -#include "yaffsinterface.h" #include "yaffs_guts.h" #include "yaffs_tagsvalidity.h" #include "yaffs_getblockinfo.h" @@ -42,89 +42,91 @@ /* Robustification (if it ever comes about...) */ -static void yaffs_RetireBlock(yaffs_Device *dev, int blockInNAND); -static void yaffs_HandleWriteChunkError(yaffs_Device *dev, int chunkInNAND, - int erasedOk); -static void yaffs_HandleWriteChunkOk(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 erased_ok); +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, - int useReserve); + yaffs_ext_tags *tags, + int use_reserver); + +static yaffs_obj_t *yaffs_new_obj(yaffs_dev_t *dev, int number, + yaffs_obj_type type); -static yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number, - yaffs_ObjectType type); +static int yaffs_apply_xattrib_mod(yaffs_obj_t *obj, char *buffer, yaffs_xattr_mod *xmod); -static int yaffs_ApplyXMod(yaffs_Device *dev, char *buffer, yaffs_XAttrMod *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 void yaffs_RemoveObjectFromDirectory(yaffs_Object *obj); -static int yaffs_CheckStructures(void); -static int yaffs_DoGenericObjectDeletion(yaffs_Object *in); +static int yaffs_check_chunk_erased(struct yaffs_dev_s *dev, + int nand_chunk); -static yaffs_BlockInfo *yaffs_GetBlockInfo(yaffs_Device *dev, int blockNo); +static int yaffs_unlink_worker(yaffs_obj_t *obj); +static int yaffs_tags_match(const yaffs_ext_tags *tags, int obj_id, + int chunk_obj); -static int yaffs_CheckChunkErased(struct yaffs_DeviceStruct *dev, - int chunkInNAND); +static int yaffs_alloc_chunk(yaffs_dev_t *dev, int use_reserver, + yaffs_block_info_t **block_ptr); -static int yaffs_UnlinkWorker(yaffs_Object *obj); +static void yaffs_check_obj_details_loaded(yaffs_obj_t *in); -static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId, - int chunkInObject); +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_AllocateChunk(yaffs_Device *dev, int useReserve, - yaffs_BlockInfo **blockUsedPtr); +static int yaffs_find_chunk_in_file(yaffs_obj_t *in, int inode_chunk, + yaffs_ext_tags *tags); -static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in); +static int yaffs_verify_chunk_written(yaffs_dev_t *dev, + int nand_chunk, + const __u8 *data, + yaffs_ext_tags *tags); -static void yaffs_InvalidateWholeChunkCache(yaffs_Object *in); -static void yaffs_InvalidateChunkCache(yaffs_Object *object, int chunkId); -static int yaffs_FindChunkInFile(yaffs_Object *in, int chunkInInode, - yaffs_ExtendedTags *tags); +static void yaffs_load_name_from_oh(yaffs_dev_t *dev,YCHAR *name, const YCHAR *oh_name, int buff_size); +static void yaffs_load_oh_from_name(yaffs_dev_t *dev,YCHAR *oh_name, const YCHAR *name); -static int yaffs_VerifyChunkWritten(yaffs_Device *dev, - int chunkInNAND, - const __u8 *data, - yaffs_ExtendedTags *tags); /* Function to calculate chunk and offset */ -static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, int *chunkOut, - __u32 *offsetOut) +static void yaffs_addr_to_chunk(yaffs_dev_t *dev, loff_t addr, int *chunk_out, + __u32 *offset_out) { 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; + loff_t chunk_base; - chunk /= dev->chunkDiv; + chunk /= dev->chunk_div; - chunkBase = ((loff_t)chunk) * dev->nDataBytesPerChunk; - offset = (__u32)(addr - chunkBase); + chunk_base = ((loff_t)chunk) * dev->data_bytes_per_chunk; + offset = (__u32)(addr - chunk_base); } - *chunkOut = chunk; - *offsetOut = offset; + *chunk_out = chunk; + *offset_out = offset; } /* Function to return the number of shifts for a power of 2 greater than or @@ -133,44 +135,44 @@ static void yaffs_AddrToChunk(yaffs_Device *dev, loff_t addr, int *chunkOut, * be hellishly efficient. */ -static __u32 ShiftsGE(__u32 x) +static __u32 calc_shifts_ceiling(__u32 x) { - int extraBits; - int nShifts; + int extra_bits; + int shifts; - nShifts = extraBits = 0; + shifts = extra_bits = 0; while (x > 1) { if (x & 1) - extraBits++; + extra_bits++; x >>= 1; - nShifts++; + shifts++; } - if (extraBits) - nShifts++; + if (extra_bits) + shifts++; - return nShifts; + return shifts; } /* Function to return the number of shifts to get a 1 in bit 0 */ -static __u32 Shifts(__u32 x) +static __u32 calc_shifts(__u32 x) { - __u32 nShifts; + __u32 shifts; - nShifts = 0; + shifts = 0; if (!x) return 0; while (!(x&1)) { x >>= 1; - nShifts++; + shifts++; } - return nShifts; + return shifts; } @@ -179,49 +181,49 @@ 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))); @@ -230,21 +232,21 @@ __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; } } @@ -253,9 +255,9 @@ 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++; } } @@ -263,21 +265,21 @@ 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, @@ -296,7 +298,7 @@ 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; @@ -307,14 +309,14 @@ 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; } @@ -322,10 +324,10 @@ 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++; @@ -333,70 +335,70 @@ 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 temp_tags; + __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,&temp_tags); + if(memcmp(buffer,data,dev->data_bytes_per_chunk) || + temp_tags.obj_id != tags->obj_id || + temp_tags.chunk_id != tags->chunk_id || + temp_tags.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, - int useReserve) + yaffs_ext_tags *tags, + int use_reserver) { int attempts = 0; - int writeOk = 0; + int write_ok = 0; int chunk; - yaffs2_InvalidateCheckpoint(dev); + yaffs2_checkpt_invalidate(dev); do { - yaffs_BlockInfo *bi = 0; - int erasedOk = 0; + yaffs_block_info_t *bi = 0; + int erased_ok = 0; - chunk = yaffs_AllocateChunk(dev, useReserve, &bi); + chunk = yaffs_alloc_chunk(dev, use_reserver, &bi); if (chunk < 0) { /* no space */ break; @@ -429,12 +431,12 @@ 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 (erasedOk != YAFFS_OK) { + if(dev->param.always_check_erased) + bi->skip_erased_check = 0; + + if (!bi->skip_erased_check) { + erased_ok = yaffs_check_chunk_erased(dev, chunk); + if (erased_ok != YAFFS_OK) { T(YAFFS_TRACE_ERROR, (TSTR("**>> yaffs chunk %d was not erased" TENDSTR), chunk)); @@ -442,34 +444,34 @@ 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, + write_ok = yaffs_wr_chunk_tags_nand(dev, chunk, data, tags); - if(!bi->skipErasedCheck) - writeOk = yaffs_VerifyChunkWritten(dev, chunk, data, tags); + if(!bi->skip_erased_check) + write_ok = yaffs_verify_chunk_written(dev, chunk, data, tags); - if (writeOk != YAFFS_OK) { + if (write_ok != 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, erased_ok); 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 && + } while (write_ok != YAFFS_OK && (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts)); - if (!writeOk) + if (!write_ok) chunk = -1; if (attempts > 1) { @@ -477,7 +479,7 @@ 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; @@ -489,43 +491,43 @@ 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++; } /* @@ -533,63 +535,63 @@ 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, - int erasedOk) +static void yaffs_handle_chunk_wr_error(yaffs_dev_t *dev, int nand_chunk, + int erased_ok) { - 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) { + if (erased_ok) { /* 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; @@ -610,16 +612,28 @@ 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_calc_name_sum(name); +} + +void yaffs_set_obj_name_from_oh(yaffs_obj_t *obj, const yaffs_obj_header *oh) +{ +#ifdef CONFIG_YAFFS_AUTO_UNICODE + YCHAR tmp_name[YAFFS_MAX_NAME_LENGTH+1]; + memset(tmp_name,0,sizeof(tmp_name)); + yaffs_load_name_from_oh(obj->my_dev,tmp_name,oh->name,YAFFS_MAX_NAME_LENGTH+1); + yaffs_set_obj_name(obj,tmp_name); +#else + yaffs_set_obj_name(obj,oh->name); #endif - obj->sum = yaffs_CalcNameSum(name); } /*-------------------- TNODES ------------------- @@ -630,90 +644,90 @@ void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name) */ -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; - __u32 bitInMap; - __u32 bitInWord; - __u32 wordInMap; + __u32 bit_in_map; + __u32 bit_in_word; + __u32 word_in_map; __u32 mask; pos &= YAFFS_TNODES_LEVEL0_MASK; - val >>= dev->chunkGroupBits; + val >>= dev->chunk_grp_bits; - bitInMap = pos * dev->tnodeWidth; - wordInMap = bitInMap / 32; - bitInWord = bitInMap & (32 - 1); + bit_in_map = pos * dev->tnode_width; + word_in_map = bit_in_map / 32; + bit_in_word = bit_in_map & (32 - 1); - mask = dev->tnodeMask << bitInWord; + mask = dev->tnode_mask << bit_in_word; - map[wordInMap] &= ~mask; - map[wordInMap] |= (mask & (val << bitInWord)); + map[word_in_map] &= ~mask; + map[word_in_map] |= (mask & (val << bit_in_word)); - if (dev->tnodeWidth > (32 - bitInWord)) { - bitInWord = (32 - bitInWord); - wordInMap++;; - mask = dev->tnodeMask >> (/*dev->tnodeWidth -*/ bitInWord); - map[wordInMap] &= ~mask; - map[wordInMap] |= (mask & (val >> bitInWord)); + if (dev->tnode_width > (32 - bit_in_word)) { + bit_in_word = (32 - bit_in_word); + word_in_map++;; + mask = dev->tnode_mask >> (/*dev->tnode_width -*/ bit_in_word); + map[word_in_map] &= ~mask; + map[word_in_map] |= (mask & (val >> bit_in_word)); } } -__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; - __u32 bitInMap; - __u32 bitInWord; - __u32 wordInMap; + __u32 bit_in_map; + __u32 bit_in_word; + __u32 word_in_map; __u32 val; pos &= YAFFS_TNODES_LEVEL0_MASK; - bitInMap = pos * dev->tnodeWidth; - wordInMap = bitInMap / 32; - bitInWord = bitInMap & (32 - 1); + bit_in_map = pos * dev->tnode_width; + word_in_map = bit_in_map / 32; + bit_in_word = bit_in_map & (32 - 1); - val = map[wordInMap] >> bitInWord; + val = map[word_in_map] >> bit_in_word; - if (dev->tnodeWidth > (32 - bitInWord)) { - bitInWord = (32 - bitInWord); - wordInMap++;; - val |= (map[wordInMap] << bitInWord); + if (dev->tnode_width > (32 - bit_in_word)) { + bit_in_word = (32 - bit_in_word); + word_in_map++;; + val |= (map[word_in_map] << bit_in_word); } - val &= dev->tnodeMask; - val <<= dev->chunkGroupBits; + val &= dev->tnode_mask; + val <<= dev->chunk_grp_bits; return val; } @@ -721,19 +735,19 @@ __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 required_depth; + int level = file_struct->top_level; dev=dev; @@ -741,24 +755,24 @@ 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; - requiredTallness = 0; + i = chunk_id >> YAFFS_TNODES_LEVEL0_BITS; + required_depth = 0; while (i) { i >>= YAFFS_TNODES_INTERNAL_BITS; - requiredTallness++; + required_depth++; } - if (requiredTallness > fStruct->topLevel) + if (required_depth > 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)) & @@ -780,46 +794,46 @@ 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 required_depth; 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; - requiredTallness = 0; + x = chunk_id >> YAFFS_TNODES_LEVEL0_BITS; + required_depth = 0; while (x) { x >>= YAFFS_TNODES_INTERNAL_BITS; - requiredTallness++; + required_depth++; } - if (requiredTallness > fStruct->topLevel) { + if (required_depth > 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 < required_depth; 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))); @@ -830,12 +844,12 @@ 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; @@ -843,20 +857,20 @@ 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; } @@ -867,37 +881,37 @@ 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 the_chunk, + 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; the_chunk && j < dev->chunk_grp_size; j++) { + if (yaffs_check_chunk_bit(dev, the_chunk / dev->param.chunks_per_block, + the_chunk % dev->param.chunks_per_block)) { - if(dev->chunkGroupSize == 1) - return theChunk; + if(dev->chunk_grp_size == 1) + return the_chunk; else { - yaffs_ReadChunkWithTagsFromNAND(dev, theChunk, NULL, + yaffs_rd_chunk_tags_nand(dev, the_chunk, NULL, tags); - if (yaffs_TagsMatch(tags, objectId, chunkInInode)) { + if (yaffs_tags_match(tags, obj_id, inode_chunk)) { /* found it; */ - return theChunk; + return the_chunk; } } } - theChunk++; + the_chunk++; } return -1; } @@ -910,80 +924,80 @@ 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 theChunk; - yaffs_ExtendedTags tags; - int foundChunk; - yaffs_Device *dev = in->myDev; + int inode_chunk; + int the_chunk; + yaffs_ext_tags tags; + int found_chunk; + yaffs_dev_t *dev = in->my_dev; - int allDone = 1; + int all_done = 1; if (tn) { if (level > 0) { - for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0; + for (i = YAFFS_NTNODES_INTERNAL - 1; all_done && i >= 0; i--) { if (tn->internal[i]) { if (limit && (*limit) < 0) { - allDone = 0; + all_done = 0; } else { - allDone = - yaffs_DeleteWorker(in, + all_done = + yaffs_del_worker(in, tn-> internal [i], level - 1, - (chunkOffset + (chunk_offset << YAFFS_TNODES_INTERNAL_BITS) + i, limit); } - if (allDone) { - yaffs_FreeTnode(dev, + if (all_done) { + yaffs_free_tnode(dev, tn-> internal[i]); tn->internal[i] = NULL; } } } - return (allDone) ? 1 : 0; + return (all_done) ? 1 : 0; } else if (level == 0) { - int hitLimit = 0; + int hit_limit = 0; - for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hitLimit; + for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0 && !hit_limit; i--) { - theChunk = yaffs_GetChunkGroupBase(dev, tn, i); - if (theChunk) { + the_chunk = yaffs_get_group_base(dev, tn, i); + if (the_chunk) { - chunkInInode = (chunkOffset << + inode_chunk = (chunk_offset << YAFFS_TNODES_LEVEL0_BITS) + i; - foundChunk = - yaffs_FindChunkInGroup(dev, - theChunk, + found_chunk = + yaffs_find_chunk_in_group(dev, + the_chunk, &tags, - in->objectId, - chunkInInode); + in->obj_id, + inode_chunk); - if (foundChunk > 0) { - yaffs_DeleteChunk(dev, - foundChunk, 1, + if (found_chunk > 0) { + yaffs_chunk_del(dev, + found_chunk, 1, __LINE__); - in->nDataChunks--; + in->n_data_chunks--; if (limit) { *limit = *limit - 1; if (*limit <= 0) - hitLimit = 1; + hit_limit = 1; } } - yaffs_LoadLevel0Tnode(dev, tn, i, 0); + yaffs_load_tnode_0(dev, tn, i, 0); } } @@ -999,19 +1013,19 @@ 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 *the_block; + unsigned block_no; T(YAFFS_TRACE_DELETION, (TSTR("soft delete chunk %d" TENDSTR), chunk)); - blockNo = chunk / dev->param.nChunksPerBlock; - theBlock = yaffs_GetBlockInfo(dev, blockNo); - if (theBlock) { - theBlock->softDeletions++; - dev->nFreeChunks++; - yaffs2_UpdateOldestDirtySequence(dev, blockNo, theBlock); + block_no = chunk / dev->param.chunks_per_block; + the_block = yaffs_get_block_info(dev, block_no); + if (the_block) { + the_block->soft_del_pages++; + dev->n_free_chunks++; + yaffs2_update_oldest_dirty_seq(dev, block_no, the_block); } } @@ -1021,31 +1035,31 @@ 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; + int the_chunk; + int all_done = 1; + yaffs_dev_t *dev = in->my_dev; if (tn) { if (level > 0) { - for (i = YAFFS_NTNODES_INTERNAL - 1; allDone && i >= 0; + for (i = YAFFS_NTNODES_INTERNAL - 1; all_done && i >= 0; i--) { if (tn->internal[i]) { - allDone = - yaffs_SoftDeleteWorker(in, + all_done = + yaffs_soft_del_worker(in, tn-> internal[i], level - 1, - (chunkOffset + (chunk_offset << YAFFS_TNODES_INTERNAL_BITS) + i); - if (allDone) { - yaffs_FreeTnode(dev, + if (all_done) { + yaffs_free_tnode(dev, tn-> internal[i]); tn->internal[i] = NULL; @@ -1054,18 +1068,18 @@ static int yaffs_SoftDeleteWorker(yaffs_Object *in, yaffs_Tnode *tn, } } } - return (allDone) ? 1 : 0; + return (all_done) ? 1 : 0; } else if (level == 0) { for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) { - theChunk = yaffs_GetChunkGroupBase(dev, tn, i); - if (theChunk) { + the_chunk = yaffs_get_group_base(dev, tn, i); + if (the_chunk) { /* 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, the_chunk); + yaffs_load_tnode_0(dev, tn, i, 0); } } @@ -1079,25 +1093,25 @@ 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; } } } @@ -1117,41 +1131,41 @@ 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; - int hasData; + int has_data; if (tn) { - hasData = 0; + has_data = 0; if(level > 0){ 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); } if (tn->internal[i]) - hasData++; + has_data++; } } 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; !has_data && i < tnode_size_u32; i++){ if(map[i]) - hasData++; + has_data++; } } - if (hasData == 0 && del0) { + if (has_data == 0 && del0) { /* Free and return NULL */ - yaffs_FreeTnode(dev, tn); + yaffs_free_tnode(dev, tn); tn = NULL; } @@ -1161,17 +1175,17 @@ 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 has_data; 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. @@ -1180,19 +1194,19 @@ 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; + has_data = 0; for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) { if (tn->internal[i]) - hasData++; + has_data++; } - if (!hasData) { - fStruct->top = tn->internal[0]; - fStruct->topLevel--; - yaffs_FreeTnode(dev, tn); + if (!has_data) { + file_struct->top = tn->internal[0]; + file_struct->top_level--; + yaffs_free_tnode(dev, tn); } else { done = 1; } @@ -1206,87 +1220,87 @@ 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 + * NB Can't put root or lost-n-found in lost-n-found so + * check if lost-n-found 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(); @@ -1296,44 +1310,44 @@ 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; @@ -1345,11 +1359,11 @@ 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; } } @@ -1357,9 +1371,9 @@ 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. @@ -1370,16 +1384,16 @@ 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; } } @@ -1389,29 +1403,29 @@ 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; @@ -1422,60 +1436,60 @@ 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 *the_obj=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); - if (!theObject){ + the_obj = yaffs_alloc_empty_obj(dev); + if (!the_obj){ 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; + if (the_obj) { + the_obj->fake = 0; + the_obj->rename_allowed = 1; + the_obj->unlink_allowed = 1; + the_obj->obj_id = number; + yaffs_hash_obj(the_obj); + the_obj->variant_type = type; #ifdef CONFIG_YAFFS_WINCE - yfsd_WinFileTimeNow(theObject->win_atime); - theObject->win_ctime[0] = theObject->win_mtime[0] = - theObject->win_atime[0]; - theObject->win_ctime[1] = theObject->win_mtime[1] = - theObject->win_atime[1]; + yfsd_win_file_time_now(the_obj->win_atime); + the_obj->win_ctime[0] = the_obj->win_mtime[0] = + the_obj->win_atime[0]; + the_obj->win_ctime[1] = the_obj->win_mtime[1] = + the_obj->win_atime[1]; #else - theObject->yst_atime = theObject->yst_mtime = - theObject->yst_ctime = Y_CURRENT_TIME; + the_obj->yst_atime = the_obj->yst_mtime = + the_obj->yst_ctime = Y_CURRENT_TIME; #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; + the_obj->variant.file_variant.file_size = 0; + the_obj->variant.file_variant.scanned_size = 0; + the_obj->variant.file_variant.shrink_size = 0xFFFFFFFF; /* max __u32 */ + the_obj->variant.file_variant.top_level = 0; + the_obj->variant.file_variant.top = tn; break; case YAFFS_OBJECT_TYPE_DIRECTORY: - YINIT_LIST_HEAD(&theObject->variant.directoryVariant. + YINIT_LIST_HEAD(&the_obj->variant.dir_variant. children); - YINIT_LIST_HEAD(&theObject->variant.directoryVariant. + YINIT_LIST_HEAD(&the_obj->variant.dir_variant. dirty); break; case YAFFS_OBJECT_TYPE_SYMLINK: @@ -1489,76 +1503,76 @@ yaffs_Object *yaffs_CreateNewObject(yaffs_Device *dev, int number, } } - return theObject; + return the_obj; } -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 *the_obj = NULL; if (number > 0) - theObject = yaffs_FindObjectByNumber(dev, number); + the_obj = yaffs_find_by_number(dev, number); - if (!theObject) - theObject = yaffs_CreateNewObject(dev, number, type); + if (!the_obj) + the_obj = yaffs_new_obj(dev, number, type); - return theObject; + return the_obj; } -YCHAR *yaffs_CloneString(const YCHAR *str) +YCHAR *yaffs_clone_str(const YCHAR *str) { - YCHAR *newStr = NULL; + YCHAR *new_str = NULL; int len; if (!str) str = _Y(""); len = yaffs_strnlen(str,YAFFS_MAX_ALIAS_LENGTH); - newStr = YMALLOC((len + 1) * sizeof(YCHAR)); - if (newStr){ - yaffs_strncpy(newStr, str,len); - newStr[len] = 0; + new_str = YMALLOC((len + 1) * sizeof(YCHAR)); + if (new_str){ + yaffs_strncpy(new_str, str,len); + new_str[len] = 0; } - return newStr; + return new_str; } /* * Mknod (create) a new object. - * equivalentObject only has meaning for a hard link; - * aliasString only has meaning for a symlink. + * equiv_obj only has meaning for a hard link; + * alias_str 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, - const YCHAR *aliasString, __u32 rdev) + yaffs_obj_t *equiv_obj, + const YCHAR *alias_str, __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(alias_str); if (!str) return NULL; } - in = yaffs_CreateNewObject(dev, -1, type); + in = yaffs_new_obj(dev, -1, type); if (!in){ if(str) @@ -1571,14 +1585,14 @@ 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]; @@ -1589,25 +1603,25 @@ 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: @@ -1617,183 +1631,183 @@ 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; + int unlink_op; + int del_op; - yaffs_Object *existingTarget; + yaffs_obj_t *existing_target; - 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) + unlink_op = (new_dir == obj->my_dev->unlinked_dir); else - unlinkOp = (newDir == obj->myDev->unlinkedDir - && obj->variantType == YAFFS_OBJECT_TYPE_FILE); + unlink_op = (new_dir == obj->my_dev->unlinked_dir + && obj->variant_type == YAFFS_OBJECT_TYPE_FILE); - deleteOp = (newDir == obj->myDev->deletedDir); + del_op = (new_dir == obj->my_dev->del_dir); - existingTarget = yaffs_FindObjectByName(newDir, newName); + existing_target = 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. * else only proceed if the new name does not exist and if we're putting * it into a directory. */ - if ((unlinkOp || - deleteOp || + if ((unlink_op || + del_op || force || (shadows > 0) || - !existingTarget) && - newDir->variantType == YAFFS_OBJECT_TYPE_DIRECTORY) { - yaffs_SetObjectName(obj, newName); + !existing_target) && + 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) + if (unlink_op) 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, del_op, 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 *existing_target = 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); - if (existingTarget && - existingTarget->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && - !ylist_empty(&existingTarget->variant.directoryVariant.children)) { + existing_target = yaffs_find_by_name(new_dir, new_name); + if (existing_target && + existing_target->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY && + !ylist_empty(&existing_target->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) { + } else if (existing_target && existing_target != obj) { /* Nuke the target first, using shadowing, * but only if it isn't the same object. * * 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, + existing_target->obj_id); + existing_target->is_shadowed = 1; + yaffs_unlink_obj(existing_target); + 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; } @@ -1802,144 +1816,144 @@ 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 n_blocks = 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(n_blocks * sizeof(yaffs_block_info_t)); + if (!dev->block_info) { + dev->block_info = YMALLOC_ALT(n_blocks * 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 * n_blocks); + if (!dev->chunk_bits) { + dev->chunk_bits = YMALLOC_ALT(dev->chunk_bit_stride * n_blocks); + 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, n_blocks * sizeof(yaffs_block_info_t)); + memset(dev->chunk_bits, 0, dev->chunk_bit_stride * n_blocks); 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; + int erased_ok = 0; /* If the block is still healthy erase it and mark as clean. * If the block has had a data failure, then retire it. */ T(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE, - (TSTR("yaffs_BlockBecameDirty block %d state %d %s"TENDSTR), - blockNo, bi->blockState, (bi->needsRetiring) ? "needs retiring" : "")); + (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 (!erasedOk) { - dev->nErasureFailures++; + if (!bi->needs_retiring) { + yaffs2_checkpt_invalidate(dev); + erased_ok = yaffs_erase_block(dev, block_no); + if (!erased_ok) { + 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))) { + if (erased_ok && + ((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) { + if (erased_ok) { /* 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 */ @@ -1951,32 +1965,32 @@ 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; } @@ -1984,67 +1998,67 @@ 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 checkpointBlocks; + int reserved_chunks; + int reserved_blocks = dev->param.n_reserved_blocks; + int checkpt_blocks; - checkpointBlocks = yaffs2_CalcCheckpointBlocksRequired(dev); + checkpt_blocks = yaffs_calc_checkpt_blocks_required(dev); - reservedChunks = ((reservedBlocks + checkpointBlocks) * dev->param.nChunksPerBlock); + reserved_chunks = ((reserved_blocks + checkpt_blocks) * dev->param.chunks_per_block); - return (dev->nFreeChunks > (reservedChunks + nChunks)); + return (dev->n_free_chunks > (reserved_chunks + n_chunks)); } -static int yaffs_AllocateChunk(yaffs_Device *dev, int useReserve, - yaffs_BlockInfo **blockUsedPtr) +static int yaffs_alloc_chunk(yaffs_dev_t *dev, int use_reserver, + yaffs_block_info_t **block_ptr) { - int retVal; - yaffs_BlockInfo *bi; + int ret_val; + 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 (!use_reserver && !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); + ret_val = (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) - *blockUsedPtr = bi; + if (block_ptr) + *block_ptr = bi; - return retVal; + return ret_val; } T(YAFFS_TRACE_ERROR, @@ -2053,133 +2067,132 @@ 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, - int wholeBlock) +static int yaffs_gc_block(yaffs_dev_t *dev, int block, + int whole_block) { - int oldChunk; - int newChunk; - int markNAND; - int retVal = YAFFS_OK; - int cleanups = 0; + int old_chunk; + int new_chunk; + int mark_flash; + int ret_val = YAFFS_OK; int i; - int isCheckpointBlock; - int matchingChunk; - int maxCopies; + int is_checkpt_block; + int matching_chunk; + int max_copies; - int chunksBefore = yaffs_GetErasedChunks(dev); - int chunksAfter; + int chunks_before = yaffs_get_erased_chunks(dev); + int chunks_after; - 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); + is_checkpt_block = (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT); T(YAFFS_TRACE_TRACING, - (TSTR("Collecting block %d, in use %d, shrink %d, wholeBlock %d" TENDSTR), + (TSTR("Collecting block %d, in use %d, shrink %d, whole_block %d" TENDSTR), block, - bi->pagesInUse, - bi->hasShrinkHeader, - wholeBlock)); + bi->pages_in_use, + bi->has_shrink_hdr, + whole_block)); - /*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)) { + if (is_checkpt_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; + max_copies = (whole_block) ? dev->param.chunks_per_block : 5; + old_chunk = 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) && - maxCopies > 0; - dev->gcChunk++, oldChunk++) { - if (yaffs_CheckChunkBit(dev, block, dev->gcChunk)) { + ret_val == YAFFS_OK && + dev->gc_chunk < dev->param.chunks_per_block && + (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) && + max_copies > 0; + dev->gc_chunk++, old_chunk++) { + if (yaffs_check_chunk_bit(dev, block, dev->gc_chunk)) { /* This page is in use and might need to be copied off */ - maxCopies--; + max_copies--; - markNAND = 1; + mark_flash = 1; - yaffs_InitialiseTags(&tags); + yaffs_init_tags(&tags); - yaffs_ReadChunkWithTagsFromNAND(dev, oldChunk, + yaffs_rd_chunk_tags_nand(dev, old_chunk, 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)); - - if (object && !yaffs_SkipVerification(dev)) { - if (tags.chunkId == 0) - matchingChunk = object->hdrChunk; - else if (object->softDeleted) - matchingChunk = oldChunk; /* Defeat the test */ + dev->gc_chunk, tags.obj_id, tags.chunk_id, + tags.n_bytes)); + + if (object && !yaffs_skip_verification(dev)) { + if (tags.chunk_id == 0) + matching_chunk = object->hdr_chunk; + else if (object->soft_del) + matching_chunk = old_chunk; /* Defeat the test */ else - matchingChunk = yaffs_FindChunkInFile(object, tags.chunkId, NULL); + matching_chunk = yaffs_find_chunk_in_file(object, tags.chunk_id, NULL); - if (oldChunk != matchingChunk) + if (old_chunk != matching_chunk) T(YAFFS_TRACE_ERROR, (TSTR("gc: page in gc mismatch: %d %d %d %d"TENDSTR), - oldChunk, matchingChunk, tags.objectId, tags.chunkId)); + old_chunk, matching_chunk, tags.obj_id, tags.chunk_id)); } @@ -2187,14 +2200,14 @@ static int yaffs_GarbageCollectBlock(yaffs_Device *dev, int block, T(YAFFS_TRACE_ERROR, (TSTR ("page %d in gc has no object: %d %d %d " - TENDSTR), oldChunk, - tags.objectId, tags.chunkId, tags.byteCount)); + TENDSTR), old_chunk, + 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 @@ -2206,28 +2219,29 @@ 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--; + 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[cleanups] = - tags.objectId; - cleanups++; + 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 @@ -2235,120 +2249,123 @@ 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. - * We no longer want the shrinkHeader flag since its work is done + * We no longer want the shrink_header flag since its work is done * 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); - newChunk = - yaffs_WriteNewChunkWithTagsToNAND(dev,(__u8 *) oh, &tags, 1); + yaffs_verify_oh(object, oh, &tags, 1); + new_chunk = + yaffs_write_new_chunk(dev,(__u8 *) oh, &tags, 1); } else - newChunk = - yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &tags, 1); + new_chunk = + yaffs_write_new_chunk(dev, buffer, &tags, 1); - if (newChunk < 0) { - retVal = YAFFS_FAIL; + if (new_chunk < 0) { + ret_val = YAFFS_FAIL; } else { /* 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 = new_chunk; + 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, - newChunk, 0); + tags.chunk_id, + new_chunk, 0); } } } - if (retVal == YAFFS_OK) - yaffs_DeleteChunk(dev, oldChunk, markNAND, __LINE__); + if (ret_val == YAFFS_OK) + yaffs_chunk_del(dev, old_chunk, mark_flash, __LINE__); } } - yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); + yaffs_release_temp_buffer(dev, buffer, __LINE__); + + } + + yaffs_verify_collected_blk(dev, bi, block); + + + + 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->block_state = YAFFS_BLOCK_STATE_FULL; + } else { + /* The gc completed. */ /* Do any required cleanups */ - for (i = 0; i < cleanups; 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--; } } - } - - yaffs_VerifyCollectedBlock(dev, bi, block); - - - if (bi->blockState == 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; - } else { - /* The gc completed. */ - chunksAfter = yaffs_GetErasedChunks(dev); - if (chunksBefore >= chunksAfter) { + chunks_after = yaffs_get_erased_chunks(dev); + if (chunks_before >= chunks_after) { T(YAFFS_TRACE_GC, (TSTR ("gc did not increase free chunks before %d after %d" - TENDSTR), chunksBefore, chunksAfter)); + TENDSTR), chunks_before, chunks_after)); } - dev->gcBlock = 0; - dev->gcChunk = 0; + dev->gc_block = 0; + dev->gc_chunk = 0; + dev->n_clean_ups = 0; } - dev->gcDisable = 0; + dev->gc_disable = 0; - return retVal; + return ret_val; } /* @@ -2356,7 +2373,7 @@ 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) { @@ -2364,22 +2381,22 @@ static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, int iterations; unsigned selected = 0; int prioritised = 0; - int prioritisedExists = 0; - yaffs_BlockInfo *bi; + int prioritised_exist = 0; + 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) { - prioritisedExists = 1; - if (bi->blockState == YAFFS_BLOCK_STATE_FULL && - yaffs2_BlockNotDisqualifiedFromGC(dev, bi)) { + if (bi->gc_prioritise) { + prioritised_exist = 1; + if (bi->block_state == YAFFS_BLOCK_STATE_FULL && + yaffs_block_ok_for_gc(dev, bi)) { selected = i; prioritised = 1; } @@ -2393,13 +2410,13 @@ static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, * up the works. Let's gc the oldest dirty block. */ - if(prioritisedExists && + if(prioritised_exist && !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; + if (!prioritised_exist) /* None found, so we can clear this */ + dev->has_pending_prioritised_gc = 0; } /* If we're doing aggressive GC then we are happy to take a less-dirty block, and @@ -2409,50 +2426,59 @@ static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev, */ if (!selected){ - int pagesUsed; - int nBlocks = dev->internalEndBlock - dev->internalStartBlock + 1; + int pages_used; + int n_blocks = dev->internal_end_block - dev->internal_start_block + 1; if (aggressive){ - threshold = dev->param.nChunksPerBlock; - iterations = nBlocks; + threshold = dev->param.chunks_per_block; + iterations = n_blocks; } else { - int maxThreshold = dev->param.nChunksPerBlock/2; + int max_threshold; + + if(background) + max_threshold = dev->param.chunks_per_block/2; + else + max_threshold = dev->param.chunks_per_block/8; + + if(max_threshold < YAFFS_GC_PASSIVE_THRESHOLD) + max_threshold = YAFFS_GC_PASSIVE_THRESHOLD; + threshold = background ? - (dev->gcNotDone + 2) * 2 : 0; + (dev->gc_not_done + 2) * 2 : 0; if(threshold maxThreshold) - threshold = maxThreshold; + if(threshold > max_threshold) + threshold = max_threshold; - iterations = nBlocks / 16 + 1; + iterations = n_blocks / 16 + 1; if (iterations > 100) iterations = 100; } 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; + pages_used = 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 && + pages_used < dev->param.chunks_per_block && + (dev->gc_dirtiest < 1 || pages_used < dev->gc_pages_in_use) && + yaffs_block_ok_for_gc(dev, bi)) { + dev->gc_dirtiest = dev->gc_block_finder; + dev->gc_pages_in_use = pages_used; } } - 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; } /* @@ -2460,41 +2486,43 @@ 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->n_gc_blocks++; if(background) - dev->backgroundGCs++; - dev->gcDirtiest = 0; - dev->gcPagesInUse = 0; - dev->gcNotDone = 0; - if(dev->refreshSkip > 0) - dev->refreshSkip--; + dev->bg_gcs++; + + 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" : "")); } @@ -2510,22 +2538,20 @@ 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; - int maxTries = 0; - - int minErased; - int erasedChunks; - - int checkpointBlockAdjust; - - if(dev->param.gcControl && - (dev->param.gcControl(dev) & 1) == 0) + int gc_ok = YAFFS_OK; + int max_tries = 0; + int min_erased; + int erased_chunks; + int checkpt_block_adjust; + + 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; } @@ -2535,181 +2561,186 @@ static int yaffs_CheckGarbageCollection(yaffs_Device *dev, int background) */ do { - maxTries++; + max_tries++; - checkpointBlockAdjust = yaffs2_CalcCheckpointBlocksRequired(dev); + checkpt_block_adjust = yaffs_calc_checkpt_blocks_required(dev); - minErased = dev->param.nReservedBlocks + checkpointBlockAdjust + 1; - erasedChunks = dev->nErasedBlocks * dev->param.nChunksPerBlock; + min_erased = dev->param.n_reserved_blocks + checkpt_block_adjust + 1; + erased_chunks = 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 < min_erased) aggressive = 1; else { - if(dev->gcSkip > 20) - dev->gcSkip = 20; - if(erasedChunks < dev->nFreeChunks/2 || - dev->gcSkip < 1 || + if(!background && erased_chunks > (dev->n_free_chunks / 4)) + break; + + if(dev->gc_skip > 20) + dev->gc_skip = 20; + if(erased_chunks < 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; + 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; + 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)); + ("yaffs: GC n_erased_blocks %d aggressive %d" TENDSTR), + dev->n_erased_blocks, aggressive)); - gcOk = yaffs_GarbageCollectBlock(dev, dev->gcBlock, aggressive); + gc_ok = 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)); + ("yaffs: GC !!!no reclaim!!! n_erased_blocks %d after try %d block %d" + TENDSTR), dev->n_erased_blocks, max_tries, dev->gc_block)); } - } while ((dev->nErasedBlocks < dev->param.nReservedBlocks) && - (dev->gcBlock > 0) && - (maxTries < 2)); + } while ((dev->n_erased_blocks < dev->param.n_reserved_blocks) && + (dev->gc_block > 0) && + (max_tries < 2)); - return aggressive ? gcOk : YAFFS_OK; + return aggressive ? gc_ok : 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 erased_chunks = 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 erased_chunks > dev->n_free_chunks/2; } /*------------------------- TAGS --------------------------------*/ -static int yaffs_TagsMatch(const yaffs_ExtendedTags *tags, int objectId, - int chunkInObject) +static int yaffs_tags_match(const yaffs_ext_tags *tags, int obj_id, + int chunk_obj) { - return (tags->chunkId == chunkInObject && - tags->objectId == objectId && !tags->chunkDeleted) ? 1 : 0; + return (tags->chunk_id == chunk_obj && + 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; - int theChunk = -1; - yaffs_ExtendedTags localTags; - int retVal = -1; + yaffs_tnode_t *tn; + int the_chunk = -1; + yaffs_ext_tags local_tags; + int ret_val = -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; + tags = &local_tags; } - 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); + the_chunk = yaffs_get_group_base(dev, tn, inode_chunk); - retVal = - yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId, - chunkInInode); + ret_val = + yaffs_find_chunk_in_group(dev, the_chunk, tags, in->obj_id, + inode_chunk); } - return retVal; + return ret_val; } -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; - int theChunk = -1; - yaffs_ExtendedTags localTags; + yaffs_tnode_t *tn; + int the_chunk = -1; + yaffs_ext_tags local_tags; - yaffs_Device *dev = in->myDev; - int retVal = -1; + yaffs_dev_t *dev = in->my_dev; + int ret_val = -1; if (!tags) { /* Passed a NULL, so use our own tags space */ - tags = &localTags; + tags = &local_tags; } - 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); + the_chunk = yaffs_get_group_base(dev, tn, inode_chunk); - retVal = - yaffs_FindChunkInGroup(dev, theChunk, tags, in->objectId, - chunkInInode); + ret_val = + yaffs_find_chunk_in_group(dev, the_chunk, tags, in->obj_id, + inode_chunk); /* Delete the entry in the filestructure (if found) */ - if (retVal != -1) - yaffs_LoadLevel0Tnode(dev, tn, chunkInInode, 0); + if (ret_val != -1) + yaffs_load_tnode_0(dev, tn, inode_chunk, 0); } - return retVal; + return ret_val; } -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; - int existingChunk; - yaffs_ExtendedTags existingTags; - yaffs_ExtendedTags newTags; - unsigned existingSerial, newSerial; + yaffs_tnode_t *tn; + yaffs_dev_t *dev = in->my_dev; + int existing_cunk; + yaffs_ext_tags existing_tags; + yaffs_ext_tags new_tags; + unsigned existing_serial, new_serial; - 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" @@ -2717,24 +2748,24 @@ 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); + existing_cunk = 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 @@ -2744,8 +2775,8 @@ int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, * Update: For backward scanning we don't need to re-read tags so this is quite cheap. */ - if (existingChunk > 0) { - /* NB Right now existing chunk will not be real chunkId if the chunk group size > 1 + if (existing_cunk > 0) { + /* 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: @@ -2755,19 +2786,19 @@ 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, - NULL, &newTags); + yaffs_rd_chunk_tags_nand(dev, + nand_chunk, + NULL, &new_tags); /* Do a proper find */ - existingChunk = - yaffs_FindChunkInFile(in, chunkInInode, - &existingTags); + existing_cunk = + yaffs_find_chunk_in_file(in, inode_chunk, + &existing_tags); } - if (existingChunk <= 0) { + if (existing_cunk <= 0) { /*Hoosterman - how did this happen? */ T(YAFFS_TRACE_ERROR, @@ -2781,26 +2812,26 @@ 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) { + new_serial = new_tags.serial_number; + existing_serial = existing_tags.serial_number; } - if ((inScan > 0) && - (existingChunk <= 0 || - ((existingSerial + 1) & 3) == newSerial)) { + if ((in_scan > 0) && + (existing_cunk <= 0 || + ((existing_serial + 1) & 3) == new_serial)) { /* Forward scanning. * Use new * Delete the old one and drop through to update the tnode */ - yaffs_DeleteChunk(dev, existingChunk, 1, + yaffs_chunk_del(dev, existing_cunk, 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; } @@ -2808,211 +2839,211 @@ int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, } - if (existingChunk == 0) - in->nDataChunks++; + if (existing_cunk == 0) + 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, - int useReserve) +static int yaffs_wr_data_obj(yaffs_obj_t *in, int inode_chunk, + const __u8 *buffer, int n_bytes, + int use_reserve) { /* Find old chunk Need to do this to get serial number * Write new one and patch into tree. * Invalidate old tags. */ - int prevChunkId; - yaffs_ExtendedTags prevTags; + int prev_chunk_id; + yaffs_ext_tags prev_tags; - int newChunkId; - yaffs_ExtendedTags newTags; + int new_chunk_id; + yaffs_ext_tags new_tags; - 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); - if(prevChunkId < 1 && - !yaffs_PutChunkIntoFile(in, chunkInInode, 0, 0)) + prev_chunk_id = yaffs_find_chunk_in_file(in, inode_chunk, &prev_tags); + if(prev_chunk_id < 1 && + !yaffs_put_chunk_in_file(in, inode_chunk, 0, 0)) return 0; /* Set up new tags */ - yaffs_InitialiseTags(&newTags); + yaffs_init_tags(&new_tags); - newTags.chunkId = chunkInInode; - newTags.objectId = in->objectId; - newTags.serialNumber = - (prevChunkId > 0) ? prevTags.serialNumber + 1 : 1; - newTags.byteCount = nBytes; + new_tags.chunk_id = inode_chunk; + new_tags.obj_id = in->obj_id; + new_tags.serial_number = + (prev_chunk_id > 0) ? prev_tags.serial_number + 1 : 1; + new_tags.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, - useReserve); + new_chunk_id = + yaffs_write_new_chunk(dev, buffer, &new_tags, + use_reserve); - if (newChunkId > 0) { - yaffs_PutChunkIntoFile(in, chunkInInode, newChunkId, 0); + if (new_chunk_id > 0) { + yaffs_put_chunk_in_file(in, inode_chunk, new_chunk_id, 0); - if (prevChunkId > 0) - yaffs_DeleteChunk(dev, prevChunkId, 1, __LINE__); + if (prev_chunk_id > 0) + yaffs_chunk_del(dev, prev_chunk_id, 1, __LINE__); - yaffs_VerifyFileSanity(in); + yaffs_verify_file_sane(in); } - return newChunkId; + return new_chunk_id; } /* 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 prev_chunk_id; + int ret_val = 0; int result = 0; - int newChunkId; - yaffs_ExtendedTags newTags; - yaffs_ExtendedTags oldTags; - YCHAR *alias = NULL; + int new_chunk_id; + yaffs_ext_tags new_tags; + yaffs_ext_tags old_tags; + 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; + prev_chunk_id = in->hdr_chunk; - if (prevChunkId > 0) { - result = yaffs_ReadChunkWithTagsFromNAND(dev, prevChunkId, - buffer, &oldTags); + if (prev_chunk_id > 0) { + result = yaffs_rd_chunk_tags_nand(dev, prev_chunk_id, + buffer, &old_tags); - yaffs_VerifyObjectHeader(in, oh, &oldTags, 0); + yaffs_verify_oh(in, oh, &old_tags, 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]; @@ -3030,34 +3061,34 @@ 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_strncpy(oh->name, name, YAFFS_MAX_NAME_LENGTH); - } else if (prevChunkId > 0) - memcpy(oh->name, oldName, sizeof(oh->name)); + yaffs_load_oh_from_name(dev,oh->name,name); + } else if (prev_chunk_id > 0) + 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 */ @@ -3066,7 +3097,7 @@ 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, @@ -3078,62 +3109,62 @@ 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(&new_tags); in->serial++; - newTags.chunkId = 0; - newTags.objectId = in->objectId; - newTags.serialNumber = in->serial; + new_tags.chunk_id = 0; + new_tags.obj_id = in->obj_id; + new_tags.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; + new_tags.extra_available = 1; + new_tags.extra_parent_id = oh->parent_obj_id; + new_tags.extra_length = oh->file_size; + new_tags.extra_is_shrink = oh->is_shrink; + new_tags.extra_equiv_id = oh->equiv_id; + new_tags.extra_shadows = (oh->shadows_obj > 0) ? 1 : 0; + new_tags.extra_obj_type = in->variant_type; - yaffs_VerifyObjectHeader(in, oh, &newTags, 1); + yaffs_verify_oh(in, oh, &new_tags, 1); /* Create new chunk in NAND */ - newChunkId = - yaffs_WriteNewChunkWithTagsToNAND(dev, buffer, &newTags, - (prevChunkId > 0) ? 1 : 0); + new_chunk_id = + yaffs_write_new_chunk(dev, buffer, &new_tags, + (prev_chunk_id > 0) ? 1 : 0); - if (newChunkId >= 0) { + if (new_chunk_id >= 0) { - in->hdrChunk = newChunkId; + in->hdr_chunk = new_chunk_id; - if (prevChunkId > 0) { - yaffs_DeleteChunk(dev, prevChunkId, 1, + if (prev_chunk_id > 0) { + yaffs_chunk_del(dev, prev_chunk_id, 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, + new_chunk_id / in->my_dev->param.chunks_per_block); + bi->has_shrink_hdr = 1; } } - retVal = newChunkId; + ret_val = new_chunk_id; } if (buffer) - yaffs_ReleaseTempBuffer(dev, buffer, __LINE__); + yaffs_release_temp_buffer(dev, buffer, __LINE__); - return retVal; + return ret_val; } /*------------------------ Short Operations Cache ---------------------------------------- @@ -3149,15 +3180,15 @@ 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 n_caches = obj->my_dev->param.n_caches; - for (i = 0; i < nCaches; i++) { - cache = &dev->srCache[i]; + for (i = 0; i < n_caches; i++) { + cache = &dev->cache[i]; if (cache->object == obj && cache->dirty) return 1; @@ -3167,28 +3198,28 @@ 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; - int chunkWritten = 0; - int nCaches = obj->myDev->param.nShortOpCaches; + yaffs_cache_t *cache; + int chunk_written = 0; + int n_caches = obj->my_dev->param.n_caches; - if (nCaches > 0) { + if (n_caches > 0) { do { cache = NULL; /* 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) { + for (i = 0; i < n_caches; i++) { + 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; } } } @@ -3196,17 +3227,17 @@ static void yaffs_FlushFilesChunkCache(yaffs_Object *obj) if (cache && !cache->locked) { /* Write it out and free it up */ - chunkWritten = - yaffs_WriteChunkDataToObject(cache->object, - cache->chunkId, + chunk_written = + yaffs_wr_data_obj(cache->object, + cache->chunk_id, cache->data, - cache->nBytes, + cache->n_bytes, 1); cache->dirty = 0; cache->object = NULL; } - } while (cache && chunkWritten > 0); + } while (cache && chunk_written > 0); if (cache) { /* Hoosterman, disk full while writing cache out. */ @@ -3218,15 +3249,15 @@ 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 n_caches = dev->param.n_caches; int i; /* Find a dirty object in the cache and flush it... @@ -3234,14 +3265,14 @@ 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; + for (i = 0; i < n_caches && !obj; i++) { + 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); @@ -3253,32 +3284,32 @@ 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 *the_obj; 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 @@ -3289,26 +3320,26 @@ static yaffs_ChunkCache *yaffs_GrabChunkCache(yaffs_Device *dev) /* With locking we can't assume we can use entry zero */ - theObj = NULL; + the_obj = NULL; usage = -1; 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; + the_obj = 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(the_obj); + cache = yaffs_grab_chunk_worker(dev); } } @@ -3319,18 +3350,18 @@ 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]; } } } @@ -3338,25 +3369,25 @@ 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, - int isAWrite) +static void yaffs_use_cache(yaffs_dev_t *dev, yaffs_cache_t *cache, + int is_write) { - 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) + if (is_write) cache->dirty = 1; } } @@ -3365,10 +3396,10 @@ 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; @@ -3378,16 +3409,16 @@ 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; } } } @@ -3403,122 +3434,122 @@ 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 nDone = 0; - yaffs_ChunkCache *cache; + int n_copy; + int n = n_bytes; + int n_done = 0; + 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) - nToCopy = n; + if ((start + n) < dev->data_bytes_per_chunk) + n_copy = n; else - nToCopy = dev->nDataBytesPerChunk - start; + n_copy = 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 || n_copy != 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; - memcpy(buffer, &cache->data[start], nToCopy); + memcpy(buffer, &cache->data[start], n_copy); cache->locked = 0; } else { /* Read into the local buffer then copy..*/ - __u8 *localBuffer = - yaffs_GetTempBuffer(dev, __LINE__); - yaffs_ReadChunkDataFromObject(in, chunk, - localBuffer); + __u8 *local_buffer = + yaffs_get_temp_buffer(dev, __LINE__); + yaffs_rd_data_obj(in, chunk, + local_buffer); - memcpy(buffer, &localBuffer[start], nToCopy); + memcpy(buffer, &local_buffer[start], n_copy); - yaffs_ReleaseTempBuffer(dev, localBuffer, + yaffs_release_temp_buffer(dev, local_buffer, __LINE__); } } else { /* A full chunk. Read directly into the supplied buffer. */ - yaffs_ReadChunkDataFromObject(in, chunk, buffer); + yaffs_rd_data_obj(in, chunk, buffer); } - n -= nToCopy; - offset += nToCopy; - buffer += nToCopy; - nDone += nToCopy; + n -= n_copy; + offset += n_copy; + buffer += n_copy; + n_done += n_copy; } - return nDone; + return n_done; } -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 nDone = 0; - int nToWriteBack; - int startOfWrite = offset; - int chunkWritten = 0; - __u32 nBytesRead; - __u32 chunkStart; + int n_copy; + int n = n_bytes; + int n_done = 0; + int n_writeback; + int start_write = offset; + int chunk_written = 0; + __u32 n_bytes_read; + __u32 chunk_start; - 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); + while (n > 0 && chunk_written >= 0) { + 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), @@ -3530,57 +3561,57 @@ int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, * the same chunk. */ - if ((start + n) < dev->nDataBytesPerChunk) { - nToCopy = n; + if ((start + n) < dev->data_bytes_per_chunk) { + n_copy = n; /* Now folks, to calculate how many bytes to write back.... * If we're overwriting and not writing to then end of file then * we need to write back as much as was there before. */ - chunkStart = ((chunk - 1) * dev->nDataBytesPerChunk); + chunk_start = ((chunk - 1) * dev->data_bytes_per_chunk); - if (chunkStart > in->variant.fileVariant.fileSize) - nBytesRead = 0; /* Past end of file */ + if (chunk_start > in->variant.file_variant.file_size) + n_bytes_read = 0; /* Past end of file */ else - nBytesRead = in->variant.fileVariant.fileSize - chunkStart; + n_bytes_read = in->variant.file_variant.file_size - chunk_start; - if (nBytesRead > dev->nDataBytesPerChunk) - nBytesRead = dev->nDataBytesPerChunk; + if (n_bytes_read > dev->data_bytes_per_chunk) + n_bytes_read = dev->data_bytes_per_chunk; - nToWriteBack = - (nBytesRead > - (start + n)) ? nBytesRead : (start + n); + n_writeback = + (n_bytes_read > + (start + n)) ? n_bytes_read : (start + n); - if (nToWriteBack < 0 || nToWriteBack > dev->nDataBytesPerChunk) + if (n_writeback < 0 || n_writeback > dev->data_bytes_per_chunk) YBUG(); } else { - nToCopy = dev->nDataBytesPerChunk - start; - nToWriteBack = dev->nDataBytesPerChunk; + n_copy = dev->data_bytes_per_chunk - start; + n_writeback = dev->data_bytes_per_chunk; } - if (nToCopy != dev->nDataBytesPerChunk || dev->param.inbandTags) { + if (n_copy != 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. */ @@ -3588,52 +3619,52 @@ 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; memcpy(&cache->data[start], buffer, - nToCopy); + n_copy); cache->locked = 0; - cache->nBytes = nToWriteBack; + cache->n_bytes = n_writeback; - if (writeThrough) { - chunkWritten = - yaffs_WriteChunkDataToObject + if (write_trhrough) { + chunk_written = + yaffs_wr_data_obj (cache->object, - cache->chunkId, - cache->data, cache->nBytes, + cache->chunk_id, + cache->data, cache->n_bytes, 1); cache->dirty = 0; } } else { - chunkWritten = -1; /* fail the write */ + chunk_written = -1; /* fail the write */ } } else { /* An incomplete start or end chunk (or maybe both start and end chunk) * Read into the local buffer then copy, then copy over and write back. */ - __u8 *localBuffer = - yaffs_GetTempBuffer(dev, __LINE__); + __u8 *local_buffer = + yaffs_get_temp_buffer(dev, __LINE__); - yaffs_ReadChunkDataFromObject(in, chunk, - localBuffer); + yaffs_rd_data_obj(in, chunk, + local_buffer); - memcpy(&localBuffer[start], buffer, nToCopy); + memcpy(&local_buffer[start], buffer, n_copy); - chunkWritten = - yaffs_WriteChunkDataToObject(in, chunk, - localBuffer, - nToWriteBack, + chunk_written = + yaffs_wr_data_obj(in, chunk, + local_buffer, + n_writeback, 0); - yaffs_ReleaseTempBuffer(dev, localBuffer, + yaffs_release_temp_buffer(dev, local_buffer, __LINE__); } @@ -3643,80 +3674,80 @@ int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, - chunkWritten = - yaffs_WriteChunkDataToObject(in, chunk, buffer, - dev->nDataBytesPerChunk, + chunk_written = + 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) { - n -= nToCopy; - offset += nToCopy; - buffer += nToCopy; - nDone += nToCopy; + if (chunk_written >= 0) { + n -= n_copy; + offset += n_copy; + buffer += n_copy; + n_done += n_copy; } } /* Update file object */ - if ((startOfWrite + nDone) > in->variant.fileVariant.fileSize) - in->variant.fileVariant.fileSize = (startOfWrite + nDone); + if ((start_write + n_done) > in->variant.file_variant.file_size) + in->variant.file_variant.file_size = (start_write + n_done); in->dirty = 1; - return nDone; + return n_done; } -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 old_size = in->variant.file_variant.file_size; - int lastDel = 1 + (oldFileSize - 1) / dev->nDataBytesPerChunk; + int last_del = 1 + (old_size - 1) / dev->data_bytes_per_chunk; - int startDel = 1 + (newSize + dev->nDataBytesPerChunk - 1) / - dev->nDataBytesPerChunk; + int start_del = 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. */ - for (i = lastDel; i >= startDel; i--) { + for (i = last_del; i >= start_del; 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__); } } } @@ -3724,59 +3755,59 @@ 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; + int new_full; + __u32 new_partial; + yaffs_dev_t *dev = obj->my_dev; - yaffs_AddrToChunk(dev, newSize, &newFullChunks, &newSizeOfPartialChunk); + yaffs_addr_to_chunk(dev, new_size, &new_full, &new_partial); - yaffs_PruneResizedChunks(obj, newSize); + yaffs_prune_chunks(obj, new_size); - if (newSizeOfPartialChunk != 0) { - int lastChunk = 1 + newFullChunks; - __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__); + if (new_partial != 0) { + int last_chunk = 1 + new_full; + __u8 *local_buffer = 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, last_chunk, local_buffer); + memset(local_buffer + new_partial, 0, + dev->data_bytes_per_chunk - new_partial); - yaffs_WriteChunkDataToObject(obj, lastChunk, localBuffer, - newSizeOfPartialChunk, 1); + yaffs_wr_data_obj(obj, last_chunk, local_buffer, + new_partial, 1); - yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__); + yaffs_release_temp_buffer(dev, local_buffer, __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 old_size = 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 == old_size) return YAFFS_OK; - if(newSize > oldFileSize){ - yaffs2_HandleHole(in,newSize); - in->variant.fileVariant.fileSize = newSize; + if(new_size > old_size){ + yaffs2_handle_hole(in,new_size); + in->variant.file_variant.file_size = new_size; } else { - /* newSize < oldFileSize */ - yaffs_ResizeDown(in, newSize); + /* new_size < old_size */ + yaffs_resize_file_down(in, new_size); } /* Write a new object header to reflect the resize. @@ -3785,25 +3816,25 @@ 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); @@ -3814,17 +3845,17 @@ 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; + int ret_val; if (in->dirty) { - yaffs_FlushFilesChunkCache(in); - if(dataSync) /* Only sync data */ - retVal=YAFFS_OK; + yaffs_flush_file_cache(in); + if(data_sync) /* Only sync data */ + ret_val=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; @@ -3832,187 +3863,187 @@ int yaffs_FlushFile(yaffs_Object *in, int updateTime, int dataSync) #endif } - retVal = (yaffs_UpdateObjectHeader(in, NULL, 0, 0, 0, NULL) >= + ret_val = (yaffs_update_oh(in, NULL, 0, 0, 0, NULL) >= 0) ? YAFFS_OK : YAFFS_FAIL; } } else { - retVal = YAFFS_OK; + ret_val = YAFFS_OK; } - return retVal; + return ret_val; } -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; + int ret_val; + int del_now = 0; + yaffs_dev_t *dev = in->my_dev; - if (!in->myInode) - immediateDeletion = 1; + if (!in->my_inode) + del_now = 1; - if (immediateDeletion) { - retVal = - yaffs_ChangeObjectName(in, in->myDev->deletedDir, + if (del_now) { + ret_val = + 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, + ret_val = + yaffs_change_obj_name(in, in->my_dev->unlinked_dir, _Y("unlinked"), 0, 0); } - return retVal; + return ret_val; } -int yaffs_DeleteFile(yaffs_Object *in) +int yaffs_del_file(yaffs_obj_t *in) { - int retVal = YAFFS_OK; + int ret_val = 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); + ret_val = yaffs_unlink_file_if_needed(in); deleted = in->deleted; - if (retVal == YAFFS_OK && in->unlinked && !in->deleted) { + if (ret_val == 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) { +int ret_val = -1; + switch (obj->variant_type) { case YAFFS_OBJECT_TYPE_FILE: - retVal = yaffs_DeleteFile(obj); + ret_val = 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); + ret_val = yaffs_del_symlink(obj); break; case YAFFS_OBJECT_TYPE_HARDLINK: - retVal = yaffs_DeleteHardLink(obj); + ret_val = yaffs_del_link(obj); break; case YAFFS_OBJECT_TYPE_SPECIAL: - retVal = yaffs_DoGenericObjectDeletion(obj); + ret_val = yaffs_generic_obj_del(obj); break; case YAFFS_OBJECT_TYPE_UNKNOWN: - retVal = 0; + ret_val = 0; break; /* should not happen. */ } - return retVal; + return ret_val; } -static int yaffs_UnlinkWorker(yaffs_Object *obj) +static int yaffs_unlink_worker(yaffs_obj_t *obj) { - int immediateDeletion = 0; + int del_now = 0; - if (!obj->myInode) - immediateDeletion = 1; + if (!obj->my_inode) + del_now = 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 @@ -4027,80 +4058,80 @@ static int yaffs_UnlinkWorker(yaffs_Object *obj) * - Delete the hardlink */ - yaffs_Object *hl; - yaffs_Object *parent; - int retVal; + yaffs_obj_t *hl; + yaffs_obj_t *parent; + int ret_val; 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); + ret_val = yaffs_change_obj_name(obj,parent, name, 0, 0); - if (retVal == YAFFS_OK) - retVal = yaffs_DoGenericObjectDeletion(hl); + if (ret_val == YAFFS_OK) + ret_val = yaffs_generic_obj_del(hl); - return retVal; + return ret_val; - } else if (immediateDeletion) { - switch (obj->variantType) { + } else if (del_now) { + 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 */ @@ -4109,7 +4140,7 @@ 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; } @@ -4118,70 +4149,73 @@ 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->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); } } @@ -4197,30 +4231,32 @@ 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 + * lost-n-found->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 depth_limit; int hanging; + if (dev->read_only) + return; /* Iterate through the objects in each hash entry, * looking at each object. @@ -4228,41 +4264,41 @@ 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 { /* * Need to follow the parent chain to see if it is hanging. */ hanging = 0; - depthLimit=100; + depth_limit=100; - while(parent != dev->rootDir && + while(parent != dev->root_dir && parent->parent && - parent->parent->variantType == YAFFS_OBJECT_TYPE_DIRECTORY && - depthLimit > 0){ + parent->parent->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY && + depth_limit > 0){ parent = parent->parent; - depthLimit--; + depth_limit--; } - 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); } } } @@ -4273,65 +4309,65 @@ 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; + __u8 *chunk_data; + 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; + chunk_data = 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, chunk_data, &tags); + oh = (yaffs_obj_header *) chunk_data; in->yst_mode = oh->yst_mode; #ifdef CONFIG_YAFFS_WINCE @@ -4350,23 +4386,23 @@ static void yaffs_CheckObjectDetailsLoaded(yaffs_Object *in) in->yst_rdev = oh->yst_rdev; #endif - yaffs_SetObjectName(in, oh->name); + 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, chunk_data, __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. @@ -4377,77 +4413,79 @@ 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 *d_s; + yaffs_obj_variant *o_v; 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); + d_s=ylist_entry(link,yaffs_dir_s,dirty); + o_v = ylist_entry(d_s,yaffs_obj_variant,dir_variant); + obj = ylist_entry(o_v,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, @@ -4457,7 +4495,7 @@ 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" @@ -4471,27 +4509,27 @@ 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; @@ -4499,7 +4537,7 @@ 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; @@ -4507,38 +4545,38 @@ 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; @@ -4551,31 +4589,31 @@ 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; } @@ -4590,85 +4628,175 @@ 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; } -int yaffs_GetObjectName(yaffs_Object *obj, YCHAR *name, int buffSize) -{ - memset(name, 0, buffSize * sizeof(YCHAR)); - - yaffs_CheckObjectDetailsLoaded(obj); +/* + * A note or two on object names. + * * If the object name is missing, we then make one up in the form objnnn + * + * * ASCII names are stored in the object header's name field from byte zero + * * Unicode names are historically stored starting from byte zero. + * + * Then there are automatic Unicode names... + * The purpose of these is to save names in a way that can be read as + * ASCII or Unicode names as appropriate, thus allowing a Unicode and ASCII + * system to share files. + * + * These automatic unicode are stored slightly differently... + * - If the name can fit in the ASCII character space then they are saved as + * ascii names as per above. + * - If the name needs Unicode then the name is saved in Unicode + * starting at oh->name[1]. - if (obj->objectId == YAFFS_OBJECTID_LOSTNFOUND) { - yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffSize - 1); - } else if (obj->hdrChunk <= 0) { - YCHAR locName[20]; - YCHAR numString[20]; - YCHAR *x = &numString[19]; - unsigned v = obj->objectId; - numString[19] = 0; - while (v > 0) { + */ +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 local_name[20]; + YCHAR num_string[20]; + YCHAR *x = &num_string[19]; + unsigned v = obj->obj_id; + num_string[19] = 0; + while(v>0){ x--; *x = '0' + (v % 10); v /= 10; } /* make up a name */ - yaffs_strcpy(locName, YAFFS_LOSTNFOUND_PREFIX); - yaffs_strcat(locName, x); - yaffs_strncpy(name, locName, buffSize - 1); + yaffs_strcpy(local_name, YAFFS_LOSTNFOUND_PREFIX); + yaffs_strcat(local_name,x); + yaffs_strncpy(name, local_name, buffer_size - 1); + } +} + +static void yaffs_load_name_from_oh(yaffs_dev_t *dev,YCHAR *name, const YCHAR *oh_name, int buff_size) +{ +#ifdef CONFIG_YAFFS_AUTO_UNICODE + if(dev->param.auto_unicode){ + if(*oh_name){ + /* It is an ASCII name, so do an ASCII to unicode conversion */ + const char *ascii_oh_name = (const char *)oh_name; + int n = buff_size - 1; + while(n > 0 && *ascii_oh_name){ + *name = *ascii_oh_name; + name++; + ascii_oh_name++; + n--; + } + } else + yaffs_strncpy(name,oh_name+1, buff_size -1); + } else +#endif + yaffs_strncpy(name, oh_name, buff_size - 1); +} + + +static void yaffs_load_oh_from_name(yaffs_dev_t *dev, YCHAR *oh_name, const YCHAR *name) +{ +#ifdef CONFIG_YAFFS_AUTO_UNICODE + int is_ascii; + YCHAR *w; + + if(dev->param.auto_unicode){ + + is_ascii = 1; + w = name; + + /* Figure out if the name will fit in ascii character set */ + while(is_ascii && *w){ + if((*w) & 0xff00) + is_ascii = 0; + w++; + } + + if(is_ascii){ + /* It is an ASCII name, so do a unicode to ascii conversion */ + char *ascii_oh_name = (char *)oh_name; + int n = YAFFS_MAX_NAME_LENGTH - 1; + while(n > 0 && *name){ + *ascii_oh_name= *name; + name++; + ascii_oh_name++; + n--; + } + } else{ + /* It is a unicode name, so save starting at the second YCHAR */ + *oh_name = 0; + yaffs_strncpy(oh_name+1,name, YAFFS_MAX_NAME_LENGTH -2); + } } + else +#endif + yaffs_strncpy(oh_name,name, YAFFS_MAX_NAME_LENGTH - 1); + +} + +int yaffs_get_obj_name(yaffs_obj_t * obj, YCHAR * name, int buffer_size) +{ + memset(name, 0, buffer_size * sizeof(YCHAR)); + + yaffs_check_obj_details_loaded(obj); + + 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_strncpy(name, obj->shortName,YAFFS_SHORT_NAME_LENGTH+1); + else if (obj->short_name[0]) { + yaffs_strcpy(name, obj->short_name); + } #endif - else { + 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_strncpy(name, oh->name, buffSize - 1); - name[buffSize-1]=0; + 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__); } - return yaffs_strnlen(name,buffSize-1); + 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; @@ -4676,24 +4804,24 @@ 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; @@ -4721,18 +4849,18 @@ 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; @@ -4751,14 +4879,14 @@ 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; @@ -4776,7 +4904,7 @@ 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; @@ -4787,9 +4915,9 @@ int yaffs_GetAttributes(yaffs_Object *obj, struct iattr *attr) #endif -static int yaffs_DoXMod(yaffs_Object *obj, int set, const char *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; @@ -4800,7 +4928,7 @@ static int yaffs_DoXMod(yaffs_Object *obj, int set, const char *name, const void 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; @@ -4808,11 +4936,12 @@ static int yaffs_DoXMod(yaffs_Object *obj, int set, const char *name, const void 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; @@ -4821,83 +4950,101 @@ 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 char *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 char *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 char *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 char *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; } @@ -4905,74 +5052,74 @@ 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 */ @@ -4981,52 +5128,52 @@ 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_packed_tags2_tags_only); 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 @@ -5036,13 +5183,13 @@ 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; @@ -5050,62 +5197,62 @@ 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 = calc_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); + bits = calc_shifts_ceiling(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". @@ -5119,89 +5266,89 @@ 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 cache_bytes = 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(cache_bytes); - buf = (__u8 *) dev->srCache; + buf = (__u8 *) dev->cache; - if (dev->srCache) - memset(dev->srCache, 0, srCacheBytes); + if (dev->cache) + memset(dev->cache, 0, cache_bytes); - 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 { @@ -5209,118 +5356,118 @@ 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 n_free=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); + n_free += + (dev->param.chunks_per_block - blk->pages_in_use + + blk->soft_del_pages); break; default: break; @@ -5328,53 +5475,53 @@ int yaffs_CountFreeChunks(yaffs_Device *dev) blk++; } - return nFree; + return n_free; } -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 */ - int nFree; - int nDirtyCacheChunks; - int blocksForCheckpoint; + int n_free; + int n_dirty_caches; + int blocks_for_checkpt; int i; #if 1 - nFree = dev->nFreeChunks; + n_free = dev->n_free_chunks; #else - nFree = yaffs_CountFreeChunks(dev); + n_free = yaffs_count_free_chunks(dev); #endif - nFree += dev->nDeletedFiles; + n_free += 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) - nDirtyCacheChunks++; + for (n_dirty_caches = 0, i = 0; i < dev->param.n_caches; i++) { + if (dev->cache[i].dirty) + n_dirty_caches++; } - nFree -= nDirtyCacheChunks; + n_free -= n_dirty_caches; - nFree -= ((dev->param.nReservedBlocks + 1) * dev->param.nChunksPerBlock); + n_free -= ((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); + blocks_for_checkpt = yaffs_calc_checkpt_blocks_required(dev); - nFree -= (blocksForCheckpoint * dev->param.nChunksPerBlock); + n_free -= (blocks_for_checkpt * dev->param.chunks_per_block); - if (nFree < 0) - nFree = 0; + if (n_free < 0) + n_free = 0; - return nFree; + return n_free; } /*---------------------------------------- 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),\ @@ -5383,16 +5530,15 @@ 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; }