rom/filesys/SFS/FS/fs.h

   1 #ifndef _FS_H
   2 #define _FS_H
   3
   4 #include <exec/types.h>
   5 #include <libraries/iffparse.h>
   6 #include <dos/dos.h>
   7
   8 #ifndef SFS_BE
   9 #define SFS_BE 1
  10 #endif
  11
  12 #define CHECKCODE
  13 // #define CHECKCODE_SLOW
  14 //#define CHECKCODE_BNODES
  15 // #define CHECKCODE_TRANSACTIONS  // MagicValue, also uncomment stuff in redblacktree.h
  16
  17 // #define CHECKCHECKSUMSALWAYS
  18
  19 // #define DEBUGCODE
  20 // #define DEBUGKPRINTF  /* If defined and DEBUGCODE is defined then uses kprintf as output */
  21 // #define DEBUG115200
  22
  23 // #define WORDCOMPRESSION
  24 #define LONGCOMPRESSION
  25 // #define NOCOMPRESSION
  26 // #define ALTERNATIVECOMPRESSION
  27 // #define BLOCKCOMPRESSION
  28
  29 #define PROGRAMNAME     "Smart Filesystem"
  30 #define PROGRAMNAMEVER  "SmartFilesystem"
  31
  32 #define MAX_NAME_LENGTH          (100)
  33 #define MAX_TRANSACTIONPOOLSIZE  (32768)
  34 #define MAX_RETRIES              (0)
  35
  36 #define ALWAYSFREE            (3)    // The number of blocks SFS always tries to keep free.
  37
  38 #define ROVING_SMALL_WRITE    (8192) // If a write is larger than this then no extra space will be
  39                                      // skipped by the roving pointer for possible future use by
  40                                      // the same file.
  41
  42 #define ROVING_RESERVED_SPACE (8192) // Space the roving ptr will skip extra for possible future
  43                                      // use by the same file.
  44
  45 #define INTERR_CHECKSUM_FAILURE       80
  46 #define INTERR_BLOCK_WRONG_TYPE       81
  47 #define INTERR_OWNBLOCK_WRONG         82
  48 #define INTERR_BTREE                  83
  49 #define INTERR_SAFE_DELETE            84
  50 #define INTERR_NODES                  85
  51 #define INTERR_EXTENT                 86
  52 #define INTERR_DEFRAGMENTER           87
  53
  54 /* macros */
  55
  56 #ifndef __AROS__
  57     #define TOBADDR(x)      (((ULONG)(x)) >> 2)
  58 #else
  59     #define TOBADDR(x)      (MKBADDR(x))
  60 #endif
  61
  62 #define remove(n)    (n)->ln_Succ->ln_Pred=(n)->ln_Pred; (n)->ln_Pred->ln_Succ=(n)->ln_Succ
  63 #define addtail(l,n) (n)->ln_Succ=(l)->lh_TailPred->ln_Succ; (l)->lh_TailPred->ln_Succ=(n); (n)->ln_Pred=(l)->lh_TailPred; (l)->lh_TailPred=(n)
  64
  65 #define removem(n)    (n)->mln_Succ->mln_Pred=(n)->mln_Pred; (n)->mln_Pred->mln_Succ=(n)->mln_Succ
  66 #define addtailm(l,n) (n)->mln_Succ=(l)->mlh_TailPred->mln_Succ; (l)->mlh_TailPred->mln_Succ=(n); (n)->mln_Pred=(l)->mlh_TailPred; (l)->mlh_TailPred=(n)
  67 #define addheadm(l,n) (n)->mln_Succ=(l)->mlh_Head; (n)->mln_Pred=(struct MinNode *)(l); (l)->mlh_Head->mln_Pred=(n); (l)->mlh_Head=(n);
  68
  69 #if SFS_BE
  70 #define DOSTYPE_ID      AROS_MAKE_ID('S','F','S',0)
  71 #else
  72 #define DOSTYPE_ID      AROS_MAKE_ID('s','f','s',0)
  73 #endif
  74
  75 /* HASHENTRY(x) is used to determine which hashchain to use for
  76    a specific hash value. */
  77
  78 #define HASHCHAIN(x) (UWORD)(x % (UWORD)((globals->bytes_block-sizeof(struct fsHashTable))>>2))
  79
  80
  81 struct fsStatistics {
  82   ULONG cache_accesses;
  83   ULONG cache_operationdecode;
  84   ULONG cache_emptyoperationdecode;
  85   ULONG cache_misses;
  86
  87   ULONG cachedio_hits;
  88   ULONG cachedio_misses;
  89 };
  90
  91 #endif // _FS_H