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* File::_UpdateLevelInfos(): Fixed child count computation. Was incorrect (0) 

for multiple of kFileBlockMaxCount block counts.
* File::_GrowTree(): The inner loop of the level addition part was bogus.
  Apparently I never tested with files >= 2 MB before.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37683 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2010-07-22 11:49:28 +00:00
parent 5cdadcae91
commit 539ec8ff1e
1 changed files with 29 additions and 25 deletions
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10
src/tests/system/kernel/file_corruption/fs/File.cpp
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@ -450,10 +450,16 @@ File::_DepthForBlockCount(uint64 blockCount)
/*static*/ void
File::_UpdateLevelInfos(LevelInfo* infos, int32 levelCount, uint64 blockCount)
{
if (blockCount == 0) {
infos[0].addressableShift = 0;
infos[0].childCount = 0;
return;
}
uint64 addressableShift = 0;
for (int32 i = levelCount - 1; i >= 0; i--) {
infos[i].addressableShift = addressableShift;
infos[i].childCount = blockCount % kFileBlockMaxCount;
infos[i].childCount = (blockCount - 1) % kFileBlockMaxCount + 1;
addressableShift += kFileBlockShift;
blockCount = (blockCount + kFileBlockMaxCount - 1) / kFileBlockMaxCount;
}
@ -616,7 +622,6 @@ File::_GrowTree(uint64 blockCount, uint64 newBlockCount,
// allocate a block per new level
for (int32 i = newDepth - depth - 1; i >= 0; i--) {
while (depth < newDepth) {
// allocate a new block
AllocatedBlock allocatedBlock(GetVolume()->GetBlockAllocator(),
transaction);
@ -643,7 +648,6 @@ File::_GrowTree(uint64 blockCount, uint64 newBlockCount,
childCount = 1;
}
}
}
depth = newDepth;