Sir,
Our implementation differs from that of Mark's. According to
Mark- "send works quite nicely except that it always reads changed
file data from disk and puts it in the stream - snapper doesn't want
this overhead and would prefer to produce the changed data itself."
Thus, the first patch by Mark (BTRFS_SEND_FLAG_NO_FILE_DATA), I
believe, is specific to Snapper.
We haven't altered the kernel-side but have used it as it is and
re-written the receive-side code to generate a diff. Please provide us
with a feedback on this.
Thanks!
On Feb 11, 2013 6:27 PM, "David Sterba" <dsterba@xxxxxxx> wrote:
>
> On Sun, Feb 10, 2013 at 10:21:31PM +0530, nafisa mandliwala wrote:
> > Hello,
> > We're a team of 4 final year computer science students and are
> > working on generating a diff between file system snapshots using the
> > send receive code.
>
> Looks like a duplicated effort. Did you see Mark's initial proposal
> https://patchwork.kernel.org/patch/1921821/
>
> and the latest version
>
> https://patchwork.kernel.org/patch/2069961/
>
> ?
>
> Do you build on top of these patches or have your own kernel-side
> implementation?
>
> david
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