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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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