Commit f6475223 authored by Mike Marciniszyn's avatar Mike Marciniszyn Committed by Doug Ledford
Browse files

IB/rdmavt: Add swqe mr deref helper 



Add a helper to release mr references held by
an swqe.

Reviewed-by: default avatarBrian Welty <brian.welty@intel.com>
Signed-off-by: default avatarMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 9d8145a6

include/rdma/rdmavt_qp.h

+17 −0
Original line number Diff line number Diff line
@@ -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