Clear creation counters when deinitialising.

[yaffs2.git] / yaffs_guts.c

diff --git a/yaffs_guts.c b/yaffs_guts.c
index 0bab9cf00f5ea6f8c67146835ff82b048912ffac..5ea11500ffd506fa3f3a083dea48a62ca27c574f 100644 (file)
--- a/yaffs_guts.c
+++ b/yaffs_guts.c
@@ -12,7 +12,7 @@
  */
 
 const char *yaffs_guts_c_version =
-    "$Id: yaffs_guts.c,v 1.100 2009-12-22 04:09:06 charles Exp $";
+    "$Id: yaffs_guts.c,v 1.103 2010-01-01 23:54:03 charles Exp $";
 
 #include "yportenv.h"
 
@@ -1351,6 +1351,7 @@ static void yaffs_DeinitialiseTnodes(yaffs_Device *dev)
 
        dev->freeTnodes = NULL;
        dev->nFreeTnodes = 0;
+       dev->nTnodesCreated = 0;
 }
 
 static void yaffs_InitialiseTnodes(yaffs_Device *dev)
@@ -1807,6 +1808,10 @@ static void yaffs_SoftDeleteFile(yaffs_Object *obj)
  * level 0 tnode entries must be zeroed out.
  * Could also use this for file deletion, but that's probably better handled
  * by a special case.
+ *
+ * This function is recursive. For levels > 0 the function is called again on
+ * any sub-tree. For level == 0 we just check if the sub-tree has data.
+ * If there is no data in a subtree then it is pruned.
  */
 
 static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn,
@@ -1818,17 +1823,32 @@ static yaffs_Tnode *yaffs_PruneWorker(yaffs_Device *dev, yaffs_Tnode *tn,
        if (tn) {
                hasData = 0;
 
-               for (i = 0; i < YAFFS_NTNODES_INTERNAL; i++) {
-                       if (tn->internal[i] && level > 0) {
-                               tn->internal[i] =
-                                   yaffs_PruneWorker(dev, tn->internal[i],
-                                                     level - 1,
-                                                     (i == 0) ? del0 : 1);
+               if(level > 0){
+                       for (i = 0; i < YAFFS_NTNODES_INTERNAL; i++) {
+                               if (tn->internal[i]) {
+                                       tn->internal[i] =
+                                               yaffs_PruneWorker(dev, tn->internal[i],
+                                                       level - 1,
+                                                       (i == 0) ? del0 : 1);
+                               }
+
+                               if (tn->internal[i])
+                                       hasData++;
                        }
+               } else {
+                       int tnodeSize;
+                       __u32 *map = (__u32 *)tn;
+                       tnodeSize = (dev->tnodeWidth * YAFFS_NTNODES_LEVEL0)/8;
 
-                       if (tn->internal[i])
-                               hasData++;
-               }
+                       if (tnodeSize < sizeof(yaffs_Tnode))
+                               tnodeSize = sizeof(yaffs_Tnode);
+                       tnodeSize /= sizeof(__u32);
+
+                        for(i = 0; !hasData && i < tnodeSize; i++){
+                                if(map[i])
+                                        hasData++;
+                        }
+                }
 
                if (hasData == 0 && del0) {
                        /* Free and return NULL */
@@ -2090,6 +2110,7 @@ static void yaffs_DeinitialiseObjects(yaffs_Device *dev)
 
        dev->freeObjects = NULL;
        dev->nFreeObjects = 0;
+       dev->nObjectsCreated = 0;
 }
 
 static void yaffs_InitialiseObjects(yaffs_Device *dev)