From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nir Muchtar Subject: [PATCH V3 5/6] RDMA CM: Save Owning PID Date: Mon, 13 Dec 2010 18:22:49 +0200 Message-ID: <1292257370-24391-6-git-send-email-nirm@voltaire.com> References: <1292257370-24391-1-git-send-email-nirm@voltaire.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1292257370-24391-1-git-send-email-nirm-smomgflXvOZWk0Htik3J/w@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: rolandd-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, monis-smomgflXvOZWk0Htik3J/w@public.gmane.org, ogerlitz-smomgflXvOZWk0Htik3J/w@public.gmane.org, nirm-smomgflXvOZWk0Htik3J/w@public.gmane.org List-Id: linux-rdma@vger.kernel.org Save owning PID to id-priv when creating id's/accepting connections. Signed-off-by: Nir Muchtar --- drivers/infiniband/core/cma.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 5821f93..9629a90 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -134,6 +134,7 @@ struct rdma_id_private { u32 qp_num; u8 srq; u8 tos; + pid_t owner; }; struct cma_multicast { @@ -418,6 +419,7 @@ struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler, if (!id_priv) return ERR_PTR(-ENOMEM); + id_priv->owner = current->pid; id_priv->state = RDMA_CM_IDLE; id_priv->id.context = context; id_priv->id.event_handler = event_handler; @@ -2671,8 +2673,14 @@ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) { struct rdma_id_private *id_priv; int ret; + unsigned long flags; id_priv = container_of(id, struct rdma_id_private, id); + + spin_lock_irqsave(&id_priv->lock, flags); + id_priv->owner = current->pid; + spin_unlock_irqrestore(&id_priv->lock, flags); + if (!cma_comp(id_priv, RDMA_CM_CONNECT)) return -EINVAL; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html