On 7/9/2015 11:42 PM, Chuck Lever wrote:
All HCA providers have an ib_get_dma_mr() verb. Thus
rpcrdma_ia_open() will either grab the device's local_dma_key if one
is available, or it will call ib_get_dma_mr() which is a 100%
guaranteed fallback. There is never any need to use the
ib_reg_phys_mr() code path in rpcrdma_register_internal(), so it can
be removed.
The remaining logic in rpcrdma_{de}register_internal() is folded
into rpcrdma_{alloc,free}_regbuf().
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Like,
Reviewed-By: Sagi Grimberg <sagig@xxxxxxxxxxxx>
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