From f6475223b12b3a38298976506edb042e13158798 Mon Sep 17 00:00:00 2001 From: Mike Marciniszyn Date: Wed, 7 Dec 2016 19:34:25 -0800 Subject: [PATCH] IB/rdmavt: Add swqe mr deref helper Add a helper to release mr references held by an swqe. Reviewed-by: Brian Welty Signed-off-by: Mike Marciniszyn Signed-off-by: Dennis Dalessandro Signed-off-by: Doug Ledford --- include/rdma/rdmavt_qp.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index d78e99cf6c11..04facda681e0 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -485,6 +485,23 @@ static inline void rvt_put_qp(struct rvt_qp *qp) wake_up(&qp->wait); } +/** + * rvt_put_swqe - drop mr refs held by swqe + * @wqe - the send wqe + * + * This drops any mr references held by the swqe + */ +static inline void rvt_put_swqe(struct rvt_swqe *wqe) +{ + int i; + + for (i = 0; i < wqe->wr.num_sge; i++) { + struct rvt_sge *sge = &wqe->sg_list[i]; + + rvt_put_mr(sge->mr); + } +} + /** * rvt_qp_wqe_reserve - reserve operation * @qp - the rvt qp -- 2.20.1