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Disk optimization for multithreaded app.



 
 
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Old February 12th 10, 10:38 PM posted to comp.arch.storage
Maxim S. Shatskih[_2_]
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Default Disk optimization for multithreaded app.

mistaken about that. It might have been related to the appearance of
high-water marking if that wasn't present in the earliest versions


NTFS was always supporting ValidDataLength _on disk_.

All Windows's FSDs support this _in memory (as an FCB field)_, but on-disk support is NTFS-only.

Sorry to forget this seek+SetEndOfFile sequence. I was only thinking about ZwCreateFile with AllocationSize.

--
Maxim S. Shatskih
Windows DDK MVP

http://www.storagecraft.com

 




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