On Wed, Jul 22, 2015 at 09:55:28AM +0300, Sagi Grimberg wrote: > +/** > + * ib_map_mr_sg() - Populates MR with a dma mapped SG list > + * @mr: memory region > + * @sg: dma mapped scatterlist > + * @sg_nents: number of entries in sg > + * @access: access permissions Again, related to my prior comments, please have two of these: ib_map_mr_sg_rkey() ib_map_mr_sg_lkey() So we force ULPs to think about what they are doing properly, and we get a chance to actually force lkey to be local use only for IB. > +static inline void > +ib_set_fastreg_wr(struct ib_mr *mr, > + u32 key, The key should come from MR. Once the above is split then it is obvious which key to use. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html