rom/filesys/afs/cache.h

   1 #ifndef BLOCKACCESS_H
   2 #define BLOCKACCESS_H
   3
   4 /*
   5     Copyright © 1995-2005, The AROS Development Team. All rights reserved.
   6     $Id$
   7 */
   8
   9 #include "os.h"
  10 #include "volumes.h"
  11
  12 struct BlockCache {
  13         struct BlockCache *next;
  14         ULONG newness;
  15         ULONG blocknum;         /* zero means block is empty */
  16         ULONG *buffer;
  17         ULONG flags;
  18 };
  19
  20 #define BCF_USED 1
  21 #define BCF_WRITE 2
  22
  23 struct BlockCache *initCache(struct AFSBase *, struct Volume *volume, ULONG);
  24 void freeCache(struct AFSBase *, struct BlockCache *);
  25 struct BlockCache *getFreeCacheBlock(struct AFSBase *, struct Volume *, ULONG);
  26 struct BlockCache *getBlock(struct AFSBase *, struct Volume *, ULONG);
  27 LONG writeBlock(struct AFSBase *, struct Volume *, struct BlockCache *, LONG);
  28 VOID writeBlockDeferred(struct AFSBase *, struct Volume *, struct BlockCache *, LONG);
  29 void clearCache(struct AFSBase *, struct BlockCache *);
  30 VOID flushCache(struct AFSBase *, struct Volume *);
  31 void checkCache(struct AFSBase *, struct Volume *);
  32
  33 #endif