On 10/11/2015 15:41, Christoph Hellwig wrote:
FYI, this is the API I'd aim for (only SRP and no HW driver converted
yet):

This looks fine, although personally I find scope and direction flags
more confusing than access_flags (but maybe it's just me).

I think that the real issue here is the server/target side which needs
extra logic for rdma_read and memory registration. If we can put this
logic in the core and give ULPs an API that looks something like:
- ib_rdma_read()
- ib_rdma_write()

then maybe we don't need to change our flags?

The only reason why I posted this series was a pre-step for this type
of API so we can avoid the is_iwarp() condition in the hot path.
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