On Sun, Nov 22, 2015 at 05:26:28PM +0200, Sagi Grimberg wrote:
> >No. register_always=Y is already broken in 4.3, but register_always=N is
> >now also broken in 4.4.
> 
> OK, I'm confused so please let me understand slowly :)
> 
> Your patch "ib_srp: initialize dma_length in srp_map_idb" solves
> the register_always=Y dma_length = 0 WARN_ON() on 4.4-rc, does it solve
> the data integrity errors too?

No, it doesn't.

> This code path is specific to srp because all other ULPs guarantee
> no-gaps...

Yes.  Life would be simpler if we could just set the virt_boundary
on SRP, and Bart has indicated that he's willing to at least looks at
this for the next merge window.
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