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File Systems Algorithms (MS-FSA) Presentation 2010

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Description

Neal Christiansen, Principal Development Lead, presented an overview of MS-FSA and answered questions during the 2010 File Sharing  Windows Protocols Plugfest.     MS-FSA, included in the Windows Protocol Document release, specifies file system behaviors for the File Sharing Systems.    

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The Discussion

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    androidi

    Q for Neal: Is it possible to, without copying data, to split a file at specified position and particularly why not if not?

    Fictional API: SplitFile("terabytesizefile.bin", "secondhalf.bin", 64 bit ulong position in file to split at);

    Algo without the locks etc: Set valid data of terabytesizefile.bin to end at the split position, then create new file "secondhalf.bin" starting at the split position and ending at the old EOF of terabytesizefile.bin.

     

    And of course this should be possible to do from any limited user application trivially, since it's not exposing any old data on the disk.

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    Mr Crash

    Where is the next part of this presentation ?  Perplexed

  • User profile image
    Darryl
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    felix9

    very informative document !

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