X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.h;h=cf193914b4044bd2790a6a5d818eb73a7dd9bd35;hp=53ab280aa67173d3dec74dba29b42805b34c77ca;hb=a48028210bd3547399ecaed7b0138d6c43a1f547;hpb=30ab3ff5e311e8e2b488c3f62f30e7450dc6bee9 diff --git a/yaffs_guts.h b/yaffs_guts.h index 53ab280..cf19391 100644 --- a/yaffs_guts.h +++ b/yaffs_guts.h @@ -63,7 +63,7 @@ #define YAFFS_OBJECT_SPACE 0x40000 -#define YAFFS_CHECKPOINT_VERSION 3 +#define YAFFS_CHECKPOINT_VERSION 4 #ifdef CONFIG_YAFFS_UNICODE #define YAFFS_MAX_NAME_LENGTH 127 @@ -386,6 +386,7 @@ typedef struct { typedef struct { struct ylist_head children; /* list of child links */ + struct ylist_head dirty; /* Entry for list of dirty directories */ } yaffs_DirectoryStructure; typedef struct { @@ -557,6 +558,8 @@ struct yaffs_DeviceParamStruct { int emptyLostAndFound; /* Auto-empty lost+found directory on mount */ + int refreshPeriod; /* How often we should check to do a block refresh */ + /* Checkpoint control. Can be set before or after initialisation */ __u8 skipCheckpointRead; __u8 skipCheckpointWrite; @@ -595,17 +598,18 @@ struct yaffs_DeviceParamStruct { /* Callback to mark the superblock dirty */ void (*markSuperBlockDirty)(struct yaffs_DeviceStruct *dev); + + /* Callback to control garbage collection. */ + unsigned (*gcControl)(struct yaffs_DeviceStruct *dev); /* Debug control flags. Don't use unless you know what you're doing */ int useHeaderFileSize; /* Flag to determine if we should use file sizes from the header */ int disableLazyLoad; /* Disable lazy loading on this device */ int wideTnodesDisabled; /* Set to disable wide tnodes */ - - YCHAR *pathDividers; /* String of legal path dividers */ - + int disableSoftDelete; /* yaffs 1 only: Set to disable the use of softdeletion. */ + + int deferDirectoryUpdate; /* Set to defer directory updates */ - - /* End of stuff that must be set before initialisation. */ }; typedef struct yaffs_DeviceParamStruct yaffs_DeviceParam; @@ -698,6 +702,7 @@ struct yaffs_DeviceStruct { yaffs_ObjectList *allocatedObjectList; yaffs_ObjectBucket objectBucket[YAFFS_NOBJECT_BUCKETS]; + __u32 bucketFinder; int nFreeChunks; @@ -723,8 +728,6 @@ struct yaffs_DeviceStruct { yaffs_ChunkCache *srCache; int srLastUse; - int cacheHits; - /* Stuff for background deletion and unlinked files.*/ yaffs_Object *unlinkedDir; /* Directory where unlinked and deleted files live. */ yaffs_Object *deletedDir; /* Directory where deleted objects are sent to disappear. */ @@ -733,7 +736,6 @@ struct yaffs_DeviceStruct { int nUnlinkedFiles; /* Count of unlinked files. */ int nBackgroundDeletions; /* Count of background deletions. */ - /* Temporary buffer management */ yaffs_TempBuffer tempBuffer[YAFFS_N_TEMP_BUFFERS]; int maxTemp; @@ -744,24 +746,33 @@ struct yaffs_DeviceStruct { /* yaffs2 runtime stuff */ unsigned sequenceNumber; /* Sequence number of currently allocating block */ unsigned oldestDirtySequence; - + + /* Block refreshing */ + int refreshSkip; /* A skip down counter. Refresh happens when this gets to zero. */ + + /* Dirty directory handling */ + struct ylist_head dirtyDirectories; /* List of dirty directories */ + /* Statistcs */ - int nPageWrites; - int nPageReads; - int nBlockErasures; - int nErasureFailures; - int nGCCopies; - int garbageCollections; - int passiveGarbageCollections; - int nRetriedWrites; - int nRetiredBlocks; - int eccFixed; - int eccUnfixed; - int tagsEccFixed; - int tagsEccUnfixed; - int nDeletions; - int nUnmarkedDeletions; + __u32 nPageWrites; + __u32 nPageReads; + __u32 nBlockErasures; + __u32 nErasureFailures; + __u32 nGCCopies; + __u32 garbageCollections; + __u32 passiveGarbageCollections; + __u32 nRetriedWrites; + __u32 nRetiredBlocks; + __u32 eccFixed; + __u32 eccUnfixed; + __u32 tagsEccFixed; + __u32 tagsEccUnfixed; + __u32 nDeletions; + __u32 nUnmarkedDeletions; + __u32 refreshCount; + __u32 cacheHits; + }; typedef struct yaffs_DeviceStruct yaffs_Device; @@ -793,7 +804,6 @@ typedef struct { /* yaffs2 runtime stuff */ unsigned sequenceNumber; /* Sequence number of currently allocating block */ - unsigned oldestDirtySequence; } yaffs_CheckpointDevice; @@ -882,6 +892,10 @@ void yfsd_WinFileTimeNow(__u32 target[2]); void yaffs_HandleDeferedFree(yaffs_Object *obj); + +void yaffs_UpdateDirtyDirectories(yaffs_Device *dev); + + /* Debug dump */ int yaffs_DumpObject(yaffs_Object *obj); @@ -896,4 +910,5 @@ void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi); __u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo); void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, int lineNo); + #endif