c1ccaf2478
After dma-mapping an SG list provided by the SCSI midlayer, iser has to make sure the mapped SG is "aligned for RDMA" in the sense that its possible to produce one mapping in the HCA IOMMU which represents the whole SG. Next, the mapped SG is formatted for registration with the HCA. This patch re-writes the logic that does the above, to make it clearer and simpler. It also fixes a bug in the being aligned for RDMA checks, where a "start" check wasn't done but rather only "end" check. Signed-off-by: Alexander Nezhinsky <alexandern@voltaire.com> Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com> |
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