Re: [PATCH rdma-next v2 2/3] RDMA/rw: Support threshold for registration vs scattering to local pages

[Bart Van Assche]

On 10/7/19 6:59 AM, Leon Romanovsky wrote:
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 4f671378dbfc..60fd98a9b7e8 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -445,6 +445,8 @@ struct ib_device_attr {
        struct ib_tm_caps       tm_caps;
        struct ib_cq_caps       cq_caps;
        u64                     max_dm_size;
+       /* Max entries for sgl for optimized performance per READ */
                                   ^^^^^^^^^
                                   optimal?
Should it be mentioned that zero means that the HCA has not set this 
parameter?

+       u32                     max_sgl_rd;

Thanks,

Bart.