X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.h;h=3647d6bce6cd629dfcc483edead75c5519809a17;hp=3bae979134dfcd3fc7bb66f12d4bb6c78f65c39f;hb=401f9eb48ce20b18902ad9a4a8039d43e363d2ec;hpb=9dc68bf9810613883954fc50d26ed6f9c2c87ac0

diff --git a/yaffs_guts.h b/yaffs_guts.h
index 3bae979..3647d6b 100644
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -1,7 +1,7 @@
 /*
  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
  *
- * Copyright (C) 2002-2007 Aleph One Ltd.
+ * Copyright (C) 2002-2010 Aleph One Ltd.
  *   for Toby Churchill Ltd and Brightstar Engineering
  *
  * Created by Charles Manning <charles@aleph1.co.uk>
@@ -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 {
@@ -597,13 +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 */
-
-	/* End of stuff that must be set before initialisation. */
+	int disableSoftDelete;  /* yaffs 1 only: Set to disable the use of softdeletion. */
+	
+	int deferDirectoryUpdate; /* Set to defer directory updates */
+	
 };
 
 typedef struct yaffs_DeviceParamStruct yaffs_DeviceParam;
@@ -683,10 +689,6 @@ struct yaffs_DeviceStruct {
 	int nFreeTnodes;
 	yaffs_TnodeList *allocatedTnodeList;
 
-	int isDoingGC;
-	int gcBlock;
-	int gcChunk;
-
 	int nObjectsCreated;
 	yaffs_Object *freeObjects;
 	int nFreeObjects;
@@ -700,12 +702,18 @@ struct yaffs_DeviceStruct {
 
 	int nFreeChunks;
 
-	int currentDirtyChecker;	/* Used to find current dirtiest block */
-
+	/* Garbage collection control */
 	__u32 *gcCleanupList;	/* objects to delete at the end of a GC. */
-	int nonAggressiveSkip;	/* GC state/mode */
 
-	int hasPendingPrioritisedGCs; /* We think this device might have pending prioritised gcs */
+	unsigned hasPendingPrioritisedGCs; /* We think this device might have pending prioritised gcs */
+	unsigned gcDisable;
+	unsigned gcBlockFinder;
+	unsigned gcDirtiest;
+	unsigned gcPagesInUse;
+	unsigned gcNotDone;
+	unsigned gcBlock;
+	unsigned gcChunk;
+	unsigned gcSkip;
 
 	/* Special directories */
 	yaffs_Object *rootDir;
@@ -740,28 +748,35 @@ struct yaffs_DeviceStruct {
 	/* yaffs2 runtime stuff */
 	unsigned sequenceNumber;	/* Sequence number of currently allocating block */
 	unsigned oldestDirtySequence;
+	unsigned oldestDirtyBlock;
 
 	/* 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;
-	int refreshCount;
-	int cacheHits;
+	__u32 nPageWrites;
+	__u32 nPageReads;
+	__u32 nBlockErasures;
+	__u32 nErasureFailures;
+	__u32 nGCCopies;
+	__u32 allGCs;
+	__u32 passiveGCs;
+	__u32 oldestDirtyGCs;
+	__u32 backgroundGCs;
+	__u32 nRetriedWrites;
+	__u32 nRetiredBlocks;
+	__u32 eccFixed;
+	__u32 eccUnfixed;
+	__u32 tagsEccFixed;
+	__u32 tagsEccUnfixed;
+	__u32 nDeletions;
+	__u32 nUnmarkedDeletions;
+	__u32 refreshCount;
+	__u32 cacheHits;
 
 };
 
@@ -882,6 +897,10 @@ void yfsd_WinFileTimeNow(__u32 target[2]);
 
 void yaffs_HandleDeferedFree(yaffs_Object *obj);
 
+void yaffs_UpdateDirtyDirectories(yaffs_Device *dev);
+
+int yaffs_BackgroundGarbageCollect(yaffs_Device *dev, unsigned urgency);
+
 /* Debug dump  */
 int yaffs_DumpObject(yaffs_Object *obj);
 
@@ -896,4 +915,5 @@ 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