[PATCH 00/17] add SMB2 server-side copy support - V3

[Jeremy Allison]

On Tue, Jan 15, 2013 at 05:22:55PM +0100, David Disseldorp wrote:
> This change-set adds support for the FSCTL_SRV_COPYCHUNK and
> FSCTL_SRV_REQUEST_RESUME_KEY server-side copy SMB2 ioctls, allowing
> for network round-trip avoidance during a file copy, i.e.:
> http://www.samba.org/~ddiss/slides/snappery_samba/img17.html
> 
> Thanks to the MS protocol documentation team for shedding light on a
> number of areas I found unclear in the existing docs.
> 
> Changes since V2:
> - Add CHECK_READ and CHECK_WRITE permissions checks
> - Change vfs_default copychunk handler to support src=dest requests
> - Improve copychunk request validation
> - Process/report copychunk response data independent of status
> - Add extra tests: overlapping IO, sparse regions, marshalling, etc.
> 
> Feedback appreciated.

FYI. I'm reviewing this asap.

Jeremy.