Add block refreshing feature

[yaffs2.git] / yaffs_guts.h

diff --git a/yaffs_guts.h b/yaffs_guts.h
index 53ab280aa67173d3dec74dba29b42805b34c77ca..7d2ab53011e909346de68de72bda99a8203400cf 100644 (file)
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -557,6 +557,8 @@ 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;
@@ -723,8 +725,6 @@ 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 +733,6 @@ 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;
@@ -744,7 +743,9 @@ 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. */
 
        /* Statistcs */
        int nPageWrites;
@@ -762,6 +763,9 @@ struct yaffs_DeviceStruct {
        int tagsEccUnfixed;
        int nDeletions;
        int nUnmarkedDeletions;
+       int refreshCount;
+       int cacheHits;
+
 };
 
 typedef struct yaffs_DeviceStruct yaffs_Device;