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Correct bug in cache which could cause us to lose the last block of a file.

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This is wierd and insidious, and probably was the cause of n00bs not being
able to boot on occasion.

svn path=/trunk/; revision=23990
This commit is contained in:
Art Yerkes 2006-09-09 13:47:45 +00:00
parent 68c6a664cf
commit 812b97ae66
1 changed files with 1 additions and 1 deletions
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2
reactos/boot/freeldr/freeldr/cache/cache.c vendored
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@ -138,7 +138,7 @@ BOOLEAN CacheReadDiskSectors(ULONG DiskNumber, ULONG StartSector, ULONG SectorCo
SectorOffsetInStartBlock = StartSector % CacheManagerDrive.BlockSize;
CopyLengthInStartBlock = (SectorCount > (CacheManagerDrive.BlockSize - SectorOffsetInStartBlock)) ? (CacheManagerDrive.BlockSize - SectorOffsetInStartBlock) : SectorCount;
EndBlock = (StartSector + (SectorCount - 1)) / CacheManagerDrive.BlockSize;
SectorOffsetInEndBlock = (StartSector + SectorCount) % CacheManagerDrive.BlockSize;
SectorOffsetInEndBlock = 1 + (StartSector + (SectorCount - 1)) % CacheManagerDrive.BlockSize;
BlockCount = (EndBlock - StartBlock) + 1;
DbgPrint((DPRINT_CACHE, "StartBlock: %d SectorOffsetInStartBlock: %d CopyLengthInStartBlock: %d EndBlock: %d SectorOffsetInEndBlock: %d BlockCount: %d\n", StartBlock, SectorOffsetInStartBlock, CopyLengthInStartBlock, EndBlock, SectorOffsetInEndBlock, BlockCount));