Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

[cascardo/linux.git] / include / rdma / rdmavt_qp.h

diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h
index bd34d0b..2c5183e 100644 (file)
--- a/include/rdma/rdmavt_qp.h
+++ b/include/rdma/rdmavt_qp.h
@@ -465,6 +465,25 @@ static inline struct rvt_rwqe *rvt_get_rwqe_ptr(struct rvt_rq *rq, unsigned n)
                  rq->max_sge * sizeof(struct ib_sge)) * n);
 }
 
+/**
+ * rvt_get_qp - get a QP reference
+ * @qp - the QP to hold
+ */
+static inline void rvt_get_qp(struct rvt_qp *qp)
+{
+       atomic_inc(&qp->refcount);
+}
+
+/**
+ * rvt_put_qp - release a QP reference
+ * @qp - the QP to release
+ */
+static inline void rvt_put_qp(struct rvt_qp *qp)
+{
+       if (qp && atomic_dec_and_test(&qp->refcount))
+               wake_up(&qp->wait);
+}
+
 /**
  * rvt_qp_wqe_reserve - reserve operation
  * @qp - the rvt qp