X-Git-Url: https://yaffs.net/gitweb/?a=blobdiff_plain;f=yaffs_guts.c;h=3fa5da5271dcabba45e3f49efeb2c6c3501dfcff;hb=113fa731ab3986e6c7beba75772740475903b869;hp=76074cd51d8b689363a17fcb9a944f6d9af5bf0f;hpb=8642921e20e15e95736ea7821f450ac2cb6d92b2;p=yaffs2.git diff --git a/yaffs_guts.c b/yaffs_guts.c index 76074cd..3fa5da5 100644 --- a/yaffs_guts.c +++ b/yaffs_guts.c @@ -13,7 +13,7 @@ const char *yaffs_guts_c_version = - "$Id: yaffs_guts.c,v 1.72 2009-01-16 00:44:45 charles Exp $"; + "$Id: yaffs_guts.c,v 1.76 2009-01-23 06:36:49 charles Exp $"; #include "yportenv.h" @@ -34,11 +34,6 @@ const char *yaffs_guts_c_version = #include "yaffs_packedtags2.h" -#ifdef CONFIG_YAFFS_WINCE -void yfsd_LockYAFFS(BOOL fsLockOnly); -void yfsd_UnlockYAFFS(BOOL fsLockOnly); -#endif - #define YAFFS_PASSIVE_GC_CHUNKS 2 #include "yaffs_ecc.h" @@ -752,10 +747,15 @@ static void yaffs_VerifyObject(yaffs_Object *obj) __u32 chunkMax; __u32 chunkIdOk; - __u32 chunkIsLive; + __u32 chunkInRange; + __u32 chunkShouldNotBeDeleted; + __u32 chunkValid; if(!obj) return; + + if(obj->beingCreated) + return; dev = obj->myDev; @@ -767,21 +767,24 @@ static void yaffs_VerifyObject(yaffs_Object *obj) chunkMin = dev->internalStartBlock * dev->nChunksPerBlock; chunkMax = (dev->internalEndBlock+1) * dev->nChunksPerBlock - 1; - chunkIdOk = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax); - chunkIsLive = chunkIdOk && + chunkInRange = (((unsigned)(obj->hdrChunk)) >= chunkMin && ((unsigned)(obj->hdrChunk)) <= chunkMax); + chunkIdOk = chunkInRange || obj->hdrChunk == 0; + chunkValid = chunkInRange && yaffs_CheckChunkBit(dev, obj->hdrChunk / dev->nChunksPerBlock, obj->hdrChunk % dev->nChunksPerBlock); + chunkShouldNotBeDeleted = chunkInRange && !chunkValid; + if(!obj->fake && - (!chunkIdOk || !chunkIsLive)) { + (!chunkIdOk || chunkShouldNotBeDeleted)) { T(YAFFS_TRACE_VERIFY, (TSTR("Obj %d has chunkId %d %s %s"TENDSTR), obj->objectId,obj->hdrChunk, chunkIdOk ? "" : ",out of range", - chunkIsLive || !chunkIdOk ? "" : ",marked as deleted")); + chunkShouldNotBeDeleted ? ",marked as deleted" : "")); } - if(chunkIdOk && chunkIsLive &&!yaffs_SkipNANDVerification(dev)) { + if(chunkValid &&!yaffs_SkipNANDVerification(dev)) { yaffs_ExtendedTags tags; yaffs_ObjectHeader *oh; __u8 *buffer = yaffs_GetTempBuffer(dev,__LINE__); @@ -1926,6 +1929,8 @@ static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device * dev) /* Now sweeten it up... */ memset(tn, 0, sizeof(yaffs_Object)); + tn->beingCreated = 1; + tn->myDev = dev; tn->hdrChunk = 0; tn->variantType = YAFFS_OBJECT_TYPE_UNKNOWN; @@ -1947,6 +1952,8 @@ static yaffs_Object *yaffs_AllocateEmptyObject(yaffs_Device * dev) if (dev->lostNFoundDir) { yaffs_AddObjectToDirectory(dev->lostNFoundDir, tn); } + + tn->beingCreated = 0; } dev->nCheckpointBlocksRequired = 0; /* force recalculation*/ @@ -4771,14 +4778,9 @@ int yaffs_ReadDataFromFile(yaffs_Object * in, __u8 * buffer, loff_t offset, cache->locked = 1; -#ifdef CONFIG_YAFFS_WINCE - yfsd_UnlockYAFFS(TRUE); -#endif + memcpy(buffer, &cache->data[start], nToCopy); -#ifdef CONFIG_YAFFS_WINCE - yfsd_LockYAFFS(TRUE); -#endif cache->locked = 0; } else { /* Read into the local buffer then copy..*/ @@ -4787,41 +4789,19 @@ int yaffs_ReadDataFromFile(yaffs_Object * in, __u8 * buffer, loff_t offset, yaffs_GetTempBuffer(dev, __LINE__); yaffs_ReadChunkDataFromObject(in, chunk, localBuffer); -#ifdef CONFIG_YAFFS_WINCE - yfsd_UnlockYAFFS(TRUE); -#endif + memcpy(buffer, &localBuffer[start], nToCopy); -#ifdef CONFIG_YAFFS_WINCE - yfsd_LockYAFFS(TRUE); -#endif + yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__); } } else { -#ifdef CONFIG_YAFFS_WINCE - __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__); - - /* Under WinCE can't do direct transfer. Need to use a local buffer. - * This is because we otherwise screw up WinCE's memory mapper - */ - yaffs_ReadChunkDataFromObject(in, chunk, localBuffer); -#ifdef CONFIG_YAFFS_WINCE - yfsd_UnlockYAFFS(TRUE); -#endif - memcpy(buffer, localBuffer, dev->nDataBytesPerChunk); - -#ifdef CONFIG_YAFFS_WINCE - yfsd_LockYAFFS(TRUE); - yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__); -#endif - -#else /* A full chunk. Read directly into the supplied buffer. */ yaffs_ReadChunkDataFromObject(in, chunk, buffer); -#endif + } n -= nToCopy; @@ -4933,16 +4913,12 @@ int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset, if (cache) { yaffs_UseChunkCache(dev, cache, 1); cache->locked = 1; -#ifdef CONFIG_YAFFS_WINCE - yfsd_UnlockYAFFS(TRUE); -#endif + memcpy(&cache->data[start], buffer, nToCopy); -#ifdef CONFIG_YAFFS_WINCE - yfsd_LockYAFFS(TRUE); -#endif + cache->locked = 0; cache->nBytes = nToWriteBack; @@ -4970,15 +4946,10 @@ int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset, yaffs_ReadChunkDataFromObject(in, chunk, localBuffer); -#ifdef CONFIG_YAFFS_WINCE - yfsd_UnlockYAFFS(TRUE); -#endif + memcpy(&localBuffer[start], buffer, nToCopy); -#ifdef CONFIG_YAFFS_WINCE - yfsd_LockYAFFS(TRUE); -#endif chunkWritten = yaffs_WriteChunkDataToObject(in, chunk, localBuffer, @@ -4993,30 +4964,13 @@ int yaffs_WriteDataToFile(yaffs_Object * in, const __u8 * buffer, loff_t offset, } else { /* A full chunk. Write directly from the supplied buffer. */ -#ifdef CONFIG_YAFFS_WINCE - /* Under WinCE can't do direct transfer. Need to use a local buffer. - * This is because we otherwise screw up WinCE's memory mapper - */ - __u8 *localBuffer = yaffs_GetTempBuffer(dev, __LINE__); -#ifdef CONFIG_YAFFS_WINCE - yfsd_UnlockYAFFS(TRUE); -#endif - memcpy(localBuffer, buffer, dev->nDataBytesPerChunk); -#ifdef CONFIG_YAFFS_WINCE - yfsd_LockYAFFS(TRUE); -#endif - chunkWritten = - yaffs_WriteChunkDataToObject(in, chunk, localBuffer, - dev->nDataBytesPerChunk, - 0); - yaffs_ReleaseTempBuffer(dev, localBuffer, __LINE__); -#else + chunkWritten = yaffs_WriteChunkDataToObject(in, chunk, buffer, dev->nDataBytesPerChunk, 0); -#endif + /* Since we've overwritten the cached data, we better invalidate it. */ yaffs_InvalidateChunkCache(in, chunk); } @@ -6286,9 +6240,12 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) dev->nFreeChunks++; } else if (tags.eccResult == YAFFS_ECC_RESULT_UNFIXED){ - printf("Error in ECC\n"); - /* Don't actually delete because the chunk is not yet set up as being in use */ - /* yaffs_DeleteChunk(dev, chunk, 1, __LINE__); */ + T(YAFFS_TRACE_SCAN, + (TSTR(" Unfixed ECC in chunk(%d:%d), chunk ignored"TENDSTR), + blk, c)); + + dev->nFreeChunks++; + }else if (tags.chunkId > 0) { /* chunkId > 0 so it is a data chunk... */ unsigned int endpos;