[ENBD] 2.4.32 write & m_r problem

[Peter T. Breuer]

"Also sprach Arne Wiebalck:"
> I observe problems when writing to an enbd device (2.4.32 as currently
> on the web) together with merge_requests. if I switch m_r on, enbd-test
> reports errors. maybe these are the same errors I encountered when I tried
> O_DIRECT (and blamed it wrongly).

Interesting. I can't think of anything that would do that.

> I guess this has something to do with write alignment (which made writing
> sifgnificantly faster, btw).

Can you show me some of the errors? I haven't seen anything like that.

I can't see how write alignment is involved but I can hack a few chunks
away out of it (or turn it off) to see if it is that.

Peter