src/add-ons/kernel/file_systems/ramfs/BlockAllocatorAreaBucket.cpp

   1 // BlockAllocatorAreaBucket.cpp
   2
   3 #include "BlockAllocatorAreaBucket.h"
   4
   5 // constructor
   6 BlockAllocator::AreaBucket::AreaBucket()
   7         : fAreas(),
   8           fIndex(-1),
   9           fMinSize(0),
  10           fMaxSize(0)
  11 {
  12 }
  13
  14 // destructor
  15 BlockAllocator::AreaBucket::~AreaBucket()
  16 {
  17         while (Area *area = fAreas.First()) {
  18                 RemoveArea(area);
  19                 area->Delete();
  20         }
  21 }
  22
  23 // SanityCheck
  24 bool
  25 BlockAllocator::AreaBucket::SanityCheck(bool deep) const
  26 {
  27         // check area list
  28         for (Area *area = GetFirstArea(); area; area = GetNextArea(area)) {
  29                 if (deep) {
  30                         if (!area->SanityCheck())
  31                                 return false;
  32                 }
  33                 // bucket
  34                 if (area->GetBucket() != this) {
  35                         FATAL(("Area %p is in bucket %p, but thinks it is in bucket %p\n",
  36                                    area, this, area->GetBucket()));
  37                         BA_PANIC("Wrong area bucket.");
  38                         return false;
  39                 }
  40                 // size
  41                 size_t areaSize = area->GetFreeBytes();
  42                 if (areaSize < fMinSize || areaSize >= fMaxSize) {
  43                         FATAL(("Area is in wrong bucket: free: %lu, min: %lu, max: %lu\n",
  44                                    areaSize, fMinSize, fMaxSize));
  45                         BA_PANIC("Area in wrong bucket.");
  46                         return false;
  47                 }
  48         }
  49         return true;
  50 }
  51