On 7/13/2015 5:16 PM, Chuck Lever wrote:
NFS really should be using something more similar to a scatterlist,
as it maps pretty well to the sk_frags in the network layer as well.
Struct scatterlist is imprtant because it's the way the DMA mapping
functions takes a multi-page argument, so ayone who wants to batch
the S/G mapping calls needs it.
An excellent topic to bring up on linux-nfs@xxxxxxxxxxxxxxx.
In the meantime, I think rpcrdma.ko would have to be responsible for
converting struct page to struct scatterlist.
Fine by me, so I take it that you are OK with the proposed API?
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