gc part of the block at a time to reduce latency

[yaffs2.git] / yaffs_guts.h

diff --git a/yaffs_guts.h b/yaffs_guts.h
index 450672496f0f326971d785065f17c437a4902539..849d9511cb9eaafcc26d035889a56bd5d539daf0 100644 (file)
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -132,12 +132,12 @@ typedef struct {
 
 #ifndef CONFIG_YAFFS_NO_YAFFS1
 typedef struct {
-       unsigned chunkId:20;
-       unsigned serialNumber:2;
-       unsigned byteCount:10;
-       unsigned objectId:18;
-       unsigned ecc:12;
-       unsigned unusedStuff:2;
+        unsigned chunkId:20;
+        unsigned serialNumber:2;
+        unsigned byteCountLSB:10;
+        unsigned objectId:18;
+        unsigned ecc:12;
+        unsigned byteCountMSB:2;
 
 } yaffs_Tags;
 
@@ -420,10 +420,12 @@ struct yaffs_ObjectStruct {
        __u8 deferedFree:1;     /* For Linux kernel. Object is removed from NAND, but is
                                 * still in the inode cache. Free of object is defered.
                                 * until the inode is released.
-                                */
+                                 */
 
-       __u8 serial;            /* serial number of chunk in NAND. Cached here */
-       __u16 sum;              /* sum of the name to speed searching */
+        __u8 serial;            /* serial number of chunk in NAND. Cached here */
+/*        __u16 sum_prev; */
+        __u16 sum;              /* sum of the name to speed searching */
+/*        __u16 sum_trailer; */
 
         struct yaffs_DeviceStruct *myDev;       /* The device I'm on */
 
@@ -436,17 +438,17 @@ struct yaffs_ObjectStruct {
         struct yaffs_ObjectStruct *parent; 
         struct ylist_head siblings;
 
-        /* Where's my object header in NAND? */
-        int chunkId;            
+       /* Where's my object header in NAND? */
+       int hdrChunk;
 
        int nDataChunks;        /* Number of data chunks attached to the file. */
 
        __u32 objectId;         /* the object id value */
 
-       __u32 yst_mode;
+        __u32 yst_mode;
 
 #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
-       YCHAR shortName[YAFFS_SHORT_NAME_LENGTH + 1];
+        YCHAR shortName[YAFFS_SHORT_NAME_LENGTH + 1];
 #endif
 
 #ifndef __KERNEL__
@@ -501,8 +503,7 @@ typedef struct {
         int structType;
        __u32 objectId;         
        __u32 parentId;
-       int chunkId;
-                       
+       int hdrChunk;
        yaffs_ObjectType variantType:3;
        __u8 deleted:1;         
        __u8 softDeleted:1;     
@@ -573,12 +574,13 @@ struct yaffs_DeviceStruct {
        int (*readChunkFromNAND) (struct yaffs_DeviceStruct * dev,
                                  int chunkInNAND, __u8 * data,
                                  yaffs_Spare * spare);
-       int (*eraseBlockInNAND) (struct yaffs_DeviceStruct * dev,
-                                int blockInNAND);
-       int (*initialiseNAND) (struct yaffs_DeviceStruct * dev);
+        int (*eraseBlockInNAND) (struct yaffs_DeviceStruct * dev,
+                                 int blockInNAND);
+        int (*initialiseNAND) (struct yaffs_DeviceStruct * dev);
+        int (*deinitialiseNAND) (struct yaffs_DeviceStruct * dev);
 
 #ifdef CONFIG_YAFFS_YAFFS2
-       int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct * dev,
+        int (*writeChunkWithTagsToNAND) (struct yaffs_DeviceStruct * dev,
                                         int chunkInNAND, const __u8 * data,
                                         const yaffs_ExtendedTags * tags);
        int (*readChunkWithTagsFromNAND) (struct yaffs_DeviceStruct * dev,
@@ -689,10 +691,14 @@ struct yaffs_DeviceStruct {
        yaffs_TnodeList *allocatedTnodeList;
 
        int isDoingGC;
+       int gcBlock;
+       int gcChunk;
 
        int nObjectsCreated;
        yaffs_Object *freeObjects;
        int nFreeObjects;
+       
+       int nHardLinks;
 
        yaffs_ObjectList *allocatedObjectList;