RDMA/rxe: Replace ah->pd by ah->ibah.pd

The pd field in struct rxe_ah is redundant with the pd field in the
rdma-core's ib_ah. Eliminate the pd field in rxe_ah and add an inline to
extract the pd from the ibah field.

Link: https://lore.kernel.org/r/20211007204051.10086-5-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index c56fae2..35e0414 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -46,7 +46,6 @@ struct rxe_pd {
 struct rxe_ah {
        struct ib_ah            ibah;
        struct rxe_pool_entry   pelem;
-       struct rxe_pd           *pd;
        struct rxe_av           av;
        bool                    is_user;
        int                     ah_num;
@@ -468,6 +467,11 @@ static inline struct rxe_mw *to_rmw(struct ib_mw *mw)
        return mw ? container_of(mw, struct rxe_mw, ibmw) : NULL;
 }
 
+static inline struct rxe_pd *rxe_ah_pd(struct rxe_ah *ah)
+{
+       return to_rpd(ah->ibah.pd);
+}
+
 static inline struct rxe_pd *mr_pd(struct rxe_mr *mr)
 {
        return to_rpd(mr->ibmr.pd);