Wide tnode support

[yaffs2.git] / yaffs_guts.h

diff --git a/yaffs_guts.h b/yaffs_guts.h
index c5eee97309a3d0ed6d8f4b90781bf5479fde676d..0a18dee197eaaeffda542bfc0e9b05afb5b5005a 100644 (file)
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -14,7 +14,7 @@
  *
  * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
  *
- * $Id: yaffs_guts.h,v 1.15 2005-10-07 02:46:50 charles Exp $
+ * $Id: yaffs_guts.h,v 1.17 2005-12-07 21:49:18 charles Exp $
  */
 
 #ifndef __YAFFS_GUTS_H__
@@ -325,7 +325,7 @@ union yaffs_Tnode_union {
 #else
        union yaffs_Tnode_union *internal[YAFFS_NTNODES_INTERNAL];
 #endif
-       __u16 level0[YAFFS_NTNODES_LEVEL0];
+/*     __u16 level0[YAFFS_NTNODES_LEVEL0]; */
 
 };
 
@@ -533,6 +533,8 @@ struct yaffs_DeviceStruct {
         */
        void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj);
        
+       int wideTnodesDisabled; /* Set to disable wide tnodes */
+       
 
        /* End of stuff that must be set before initialisation. */
 
@@ -540,6 +542,11 @@ struct yaffs_DeviceStruct {
 
        __u16 chunkGroupBits;   /* 0 for devices <= 32MB. else log2(nchunks) - 16 */
        __u16 chunkGroupSize;   /* == 2^^chunkGroupBits */
+       
+       /* Stuff to support wide tnodes */
+       __u32 tnodeWidth;
+       __u32 tnodeMask;
+       
 
 #ifdef __KERNEL__
 
@@ -561,8 +568,9 @@ struct yaffs_DeviceStruct {
 
        /* Block Info */
        yaffs_BlockInfo *blockInfo;
-       int blockInfoAlt;       /* was allocated using alternative strategy */
        __u8 *chunkBits;        /* bitmap of chunks in use */
+       unsigned blockInfoAlt:1;        /* was allocated using alternative strategy */
+       unsigned chunkBitsAlt:1;        /* was allocated using alternative strategy */
        int chunkBitmapStride;  /* Number of bytes of chunkBits per block. 
                                 * Must be consistent with nChunksPerBlock.
                                 */