David Disseldorp ddiss at suse.de
Tue Feb 10 06:17:21 MST 2015

On Mon, 9 Feb 2015 16:00:51 -0800, Jeremy Allison wrote:

> > It should be accessible from:
> > http://download.microsoft.com/download/C/6/C/C6C3C6F1-E84A-44EF-82A9-49BD3AAD8F58/Windows/%5BMS-FSCC-Diff%5D.pdf
> > 
> > Thanks for the review!  
> Sorry, looking at this and the thing
> that I don't get is the:
>  uint8 source_handle[8];
> that doesn't seem like a handle
> to me, or am I mixing stuff up ?
> I don't see the on the wire definitions
> of this new IOCTL in the FSCC doc,
> only the algorithm description.

MS-FSCC-Diff section 2.3.7 defines the FSCTL_DUPLICATE_EXTENTS_TO_FILE
request payload as having an eight-byte FileHandle field, so I just
mapped that to an opaque array for now.
I can't confirm what the field is, as I haven't seen this request on
the wire between two Windows 10 hosts yet.

Cheers, David

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