[Drbd-dev] [PATCH 10/10] drbd: For protocol versions before 100, use mixed header versions

[Kyle Moffett]

On Fri, Sep 23, 2011 at 10:31, Philipp Reisner
<philipp.reisner at linbit.com> wrote:
> Previous versions of drbd are using version 80 headers for all packets
> short enough for protocol 80.  They support both header versions in
> worker context, but only version 80 headers in asynchronous context.
> For backwards compatibility, continue to use version 80 headers for
> short packets before protocol version 100.
>
> From protocol version 100 on, use the same header version for all
> packets.

If I understand it correctly, this patch fixes a backwards compat bug in
code introduced 2 patches earlier:
  [PATCH 08/10] drbd: Introduce protocol version 100 headers

Therefore this patch (and its commit message) should just be rolled into
that one to prevent the bug in the first place.

Cheers,
Kyle Moffett