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| author | Mike Marciniszyn <mike.marciniszyn@intel.com> | 2016-12-08 04:34:25 +0100 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-12-11 21:29:42 +0100 |
| commit | f6475223b12b3a38298976506edb042e13158798 (patch) | |
| tree | 178df906187037233a76f1e799ee469867310d4d /include | |
| parent | IB/hfi1: Avoid credit return allocation for cpu-less NUMA nodes (diff) | |
| download | linux-f6475223b12b3a38298976506edb042e13158798.tar.xz linux-f6475223b12b3a38298976506edb042e13158798.zip | |
IB/rdmavt: Add swqe mr deref helper
Add a helper to release mr references held by
an swqe.
Reviewed-by: Brian Welty <brian.welty@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/rdma/rdmavt_qp.h | 17 |
1 files changed, 17 insertions, 0 deletions
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 @@ -486,6 +486,23 @@ static inline void rvt_put_qp(struct rvt_qp *qp) } /** + * 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 * @wqe - the send wqe |