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Message-ID: <AM3PR05MB0935E42AB93A2C6FE9BF439FDC3F0@AM3PR05MB0935.eurprd05.prod.outlook.com>
Date: Sun, 1 Feb 2015 14:16:46 +0000
From: Shachar Raindel <raindel@...lanox.com>
To: Yann Droneaud <ydroneaud@...eya.com>
CC: "roland@...nel.org" <roland@...nel.org>,
"sean.hefty@...el.com" <sean.hefty@...el.com>,
"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
Liran Liss <liranl@...lanox.com>,
Guy Shapiro <guysh@...lanox.com>,
Haggai Eran <haggaie@...lanox.com>,
Yotam Kenneth <yotamke@...lanox.com>
Subject: RE: [PATCH for-next 08/10] IB/cma: Add support for network namespaces
> -----Original Message-----
> From: Yann Droneaud [mailto:ydroneaud@...eya.com]
> Sent: Sunday, February 01, 2015 3:45 PM
> To: Shachar Raindel
> Cc: roland@...nel.org; sean.hefty@...el.com; linux-rdma@...r.kernel.org;
> netdev@...r.kernel.org; Liran Liss; Guy Shapiro; Haggai Eran; Yotam
> Kenneth
> Subject: Re: [PATCH for-next 08/10] IB/cma: Add support for network
> namespaces
>
> Hi,
>
> Le dimanche 01 février 2015 à 13:28 +0200, Shachar Raindel a écrit :
> > From: Guy Shapiro <guysh@...lanox.com>
> >
> > Add support for network namespaces in the ib_cma module. This is
> > accomplished by:
> >
> > 1. Adding network namespace parameter for rdma_create_id. This
> parameter is used
> > to populate the network namespace field in rdma_id_private.
> rdma_create_id
> > keeps a reference on the network namespace.
> > 2. Using the network namespace from the rdma_id instead of init_net
> inside of
> > ib_cma.
> > 3. Decrementing the reference count for the appropriate network
> namespace when
> > calling rdma_destroy_id.
> >
> > In order to preserve the current behavior init_net is passed when
> calling from
> > other modules.
> >
> > Signed-off-by: Guy Shapiro <guysh@...lanox.com>
> > Signed-off-by: Haggai Eran <haggaie@...lanox.com>
> > Signed-off-by: Yotam Kenneth <yotamke@...lanox.com>
> > Signed-off-by: Shachar Raindel <raindel@...lanox.com>
> >
> > ---
> > drivers/infiniband/core/cma.c | 52
> +++++++++++++---------
> > drivers/infiniband/core/ucma.c | 3 +-
> > drivers/infiniband/ulp/iser/iser_verbs.c | 2 +-
> > drivers/infiniband/ulp/isert/ib_isert.c | 2 +-
> > .../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h | 4 +-
> > include/rdma/rdma_cm.h | 6 ++-
> > net/9p/trans_rdma.c | 2 +-
> > net/rds/ib.c | 2 +-
> > net/rds/ib_cm.c | 2 +-
> > net/rds/iw.c | 2 +-
> > net/rds/iw_cm.c | 2 +-
> > net/rds/rdma_transport.c | 2 +-
> > net/sunrpc/xprtrdma/svc_rdma_transport.c | 2 +-
> > net/sunrpc/xprtrdma/verbs.c | 3 +-
> > 14 files changed, 52 insertions(+), 34 deletions(-)
> >
> > diff --git a/drivers/infiniband/core/cma.c
> b/drivers/infiniband/core/cma.c
> > index 022b0d0a51cc..f6379b38b366 100644
> > --- a/drivers/infiniband/core/cma.c
> > +++ b/drivers/infiniband/core/cma.c
> > @@ -540,7 +540,8 @@ static int cma_disable_callback(struct
> rdma_id_private *id_priv,
> >
> > struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler
> event_handler,
> > void *context, enum rdma_port_space ps,
> > - enum ib_qp_type qp_type)
> > + enum ib_qp_type qp_type,
> > + struct net *net)
> > {
> > struct rdma_id_private *id_priv;
> >
> > @@ -562,7 +563,7 @@ struct rdma_cm_id
> *rdma_create_id(rdma_cm_event_handler event_handler,
> > INIT_LIST_HEAD(&id_priv->listen_list);
> > INIT_LIST_HEAD(&id_priv->mc_list);
> > get_random_bytes(&id_priv->seq_num, sizeof id_priv->seq_num);
> > - id_priv->id.route.addr.dev_addr.net = &init_net;
> > + id_priv->id.route.addr.dev_addr.net = get_net(net);
> >
> > return &id_priv->id;
> > }
> > @@ -689,7 +690,7 @@ static int cma_modify_qp_rtr(struct
> rdma_id_private *id_priv,
> > rdma_port_get_link_layer(id_priv->id.device, id_priv-
> >id.port_num)
> > == IB_LINK_LAYER_ETHERNET) {
> > ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr.smac, NULL,
> > - &init_net);
> > + id_priv->id.route.addr.dev_addr.net);
> >
> > if (ret)
> > goto out;
> > @@ -953,6 +954,7 @@ static void cma_cancel_operation(struct
> rdma_id_private *id_priv,
> > static void cma_release_port(struct rdma_id_private *id_priv)
> > {
> > struct rdma_bind_list *bind_list = id_priv->bind_list;
> > + struct net *net = id_priv->id.route.addr.dev_addr.net;
> >
> > if (!bind_list)
> > return;
> > @@ -960,7 +962,7 @@ static void cma_release_port(struct
> rdma_id_private *id_priv)
> > mutex_lock(&lock);
> > hlist_del(&id_priv->node);
> > if (hlist_empty(&bind_list->owners)) {
> > - cma_ps_remove(bind_list->ps, &init_net, bind_list->port);
> > + cma_ps_remove(bind_list->ps, net, bind_list->port);
> > kfree(bind_list);
> > }
> > mutex_unlock(&lock);
> > @@ -1029,6 +1031,7 @@ void rdma_destroy_id(struct rdma_cm_id *id)
> > cma_deref_id(id_priv->id.context);
> >
> > kfree(id_priv->id.route.path_rec);
> > + put_net(id_priv->id.route.addr.dev_addr.net);
> > kfree(id_priv);
> > }
> > EXPORT_SYMBOL(rdma_destroy_id);
> > @@ -1156,7 +1159,8 @@ static struct rdma_id_private
> *cma_new_conn_id(struct rdma_cm_id *listen_id,
> > int ret;
> >
> > id = rdma_create_id(listen_id->event_handler, listen_id->context,
> > - listen_id->ps, ib_event->param.req_rcvd.qp_type);
> > + listen_id->ps, ib_event->param.req_rcvd.qp_type,
> > + listen_id->route.addr.dev_addr.net);
> > if (IS_ERR(id))
> > return NULL;
> >
> > @@ -1201,10 +1205,11 @@ static struct rdma_id_private
> *cma_new_udp_id(struct rdma_cm_id *listen_id,
> > {
> > struct rdma_id_private *id_priv;
> > struct rdma_cm_id *id;
> > + struct net *net = listen_id->route.addr.dev_addr.net;
> > int ret;
> >
> > id = rdma_create_id(listen_id->event_handler, listen_id->context,
> > - listen_id->ps, IB_QPT_UD);
> > + listen_id->ps, IB_QPT_UD, net);
> > if (IS_ERR(id))
> > return NULL;
> >
> > @@ -1455,7 +1460,8 @@ static int iw_conn_req_handler(struct iw_cm_id
> *cm_id,
> > /* Create a new RDMA id for the new IW CM ID */
> > new_cm_id = rdma_create_id(listen_id->id.event_handler,
> > listen_id->id.context,
> > - RDMA_PS_TCP, IB_QPT_RC);
> > + RDMA_PS_TCP, IB_QPT_RC,
> > + listen_id->id.route.addr.dev_addr.net);
> > if (IS_ERR(new_cm_id)) {
> > ret = -ENOMEM;
> > goto out;
> > @@ -1528,11 +1534,11 @@ static int cma_ib_listen(struct
> rdma_id_private *id_priv)
> > struct ib_cm_compare_data compare_data;
> > struct sockaddr *addr;
> > struct ib_cm_id *id;
> > + struct net *net = id_priv->id.route.addr.dev_addr.net;
> > __be64 svc_id;
> > int ret;
> >
> > - id = ib_create_cm_id(id_priv->id.device, cma_req_handler, id_priv,
> > - &init_net);
> > + id = ib_create_cm_id(id_priv->id.device, cma_req_handler, id_priv,
> net);
> > if (IS_ERR(id))
> > return PTR_ERR(id);
> >
> > @@ -1596,6 +1602,7 @@ static void cma_listen_on_dev(struct
> rdma_id_private *id_priv,
> > {
> > struct rdma_id_private *dev_id_priv;
> > struct rdma_cm_id *id;
> > + struct net *net = id_priv->id.route.addr.dev_addr.net;
> > int ret;
> >
> > if (cma_family(id_priv) == AF_IB &&
> > @@ -1603,7 +1610,7 @@ static void cma_listen_on_dev(struct
> rdma_id_private *id_priv,
> > return;
> >
> > id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps,
> > - id_priv->id.qp_type);
> > + id_priv->id.qp_type, net);
> > if (IS_ERR(id))
> > return;
> >
> > @@ -2283,7 +2290,8 @@ static int cma_alloc_port(struct radix_tree_root
> *ps,
> > if (!bind_list)
> > return -ENOMEM;
> >
> > - ret = cma_ps_alloc(ps, &init_net, bind_list, snum);
> > + ret = cma_ps_alloc(ps, id_priv->id.route.addr.dev_addr.net,
> bind_list,
> > + snum);
> > if (ret < 0)
> > goto err;
> >
> > @@ -2302,13 +2310,14 @@ static int cma_alloc_any_port(struct
> radix_tree_root *ps,
> > static unsigned int last_used_port;
> > int low, high, remaining;
> > unsigned int rover;
> > + struct net *net = id_priv->id.route.addr.dev_addr.net;
> >
> > - inet_get_local_port_range(&init_net, &low, &high);
> > + inet_get_local_port_range(net, &low, &high);
> > remaining = (high - low) + 1;
> > rover = prandom_u32() % remaining + low;
> > retry:
> > if (last_used_port != rover &&
> > - !cma_ps_find(ps, &init_net, (unsigned short)rover)) {
> > + !cma_ps_find(ps, net, (unsigned short)rover)) {
> > int ret = cma_alloc_port(ps, id_priv, rover);
> > /*
> > * Remember previously used port number in order to avoid
> > @@ -2376,7 +2385,7 @@ static int cma_use_port(struct radix_tree_root
> *ps,
> > if (snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE))
> > return -EACCES;
> >
> > - bind_list = cma_ps_find(ps, &init_net, snum);
> > + bind_list = cma_ps_find(ps, id_priv->id.route.addr.dev_addr.net,
> snum);
> > if (!bind_list) {
> > ret = cma_alloc_port(ps, id_priv, snum);
> > } else {
> > @@ -2573,8 +2582,11 @@ int rdma_bind_addr(struct rdma_cm_id *id,
> struct sockaddr *addr)
> > if (addr->sa_family == AF_INET)
> > id_priv->afonly = 1;
> > #if IS_ENABLED(CONFIG_IPV6)
> > - else if (addr->sa_family == AF_INET6)
> > - id_priv->afonly = init_net.ipv6.sysctl.bindv6only;
> > + else if (addr->sa_family == AF_INET6) {
> > + struct net *net = id_priv->id.route.addr.dev_addr.net;
> > +
> > + id_priv->afonly = net->ipv6.sysctl.bindv6only;
> > + }
> > #endif
> > }
> > ret = cma_get_port(id_priv);
> > @@ -2687,7 +2699,7 @@ static int cma_resolve_ib_udp(struct
> rdma_id_private *id_priv,
> > }
> >
> > id = ib_create_cm_id(id_priv->id.device, cma_sidr_rep_handler,
> > - id_priv, &init_net);
> > + id_priv, id_priv->id.route.addr.dev_addr.net);
> > if (IS_ERR(id)) {
> > ret = PTR_ERR(id);
> > goto out;
> > @@ -2737,7 +2749,7 @@ static int cma_connect_ib(struct rdma_id_private
> *id_priv,
> > conn_param->private_data_len);
> >
> > id = ib_create_cm_id(id_priv->id.device, cma_ib_handler, id_priv,
> > - &init_net);
> > + id_priv->id.route.addr.dev_addr.net);
> > if (IS_ERR(id)) {
> > ret = PTR_ERR(id);
> > goto out;
> > @@ -3387,6 +3399,7 @@ static int cma_netdev_change(struct net_device
> *ndev, struct rdma_id_private *id
> > dev_addr = &id_priv->id.route.addr.dev_addr;
> >
> > if ((dev_addr->bound_dev_if == ndev->ifindex) &&
> > + (dev_net(ndev) == dev_addr->net) &&
>
> net_eq() ?
The original code (below) contained the same comparison style.
Will fix in next iteration to use net_eq.
>
> > memcmp(dev_addr->src_dev_addr, ndev->dev_addr, ndev->addr_len))
> {
> > printk(KERN_INFO "RDMA CM addr change for ndev %s used by id
> %p\n",
> > ndev->name, &id_priv->id);
> > @@ -3412,9 +3425,6 @@ static int cma_netdev_callback(struct
> notifier_block *self, unsigned long event,
> > struct rdma_id_private *id_priv;
> > int ret = NOTIFY_DONE;
> >
> > - if (dev_net(ndev) != &init_net)
> > - return NOTIFY_DONE;
> > -
> > if (event != NETDEV_BONDING_FAILOVER)
> > return NOTIFY_DONE;
> >
> > diff --git a/drivers/infiniband/core/ucma.c
> b/drivers/infiniband/core/ucma.c
> > index 56a4b7ca7ee3..de755f2c6166 100644
> > --- a/drivers/infiniband/core/ucma.c
> > +++ b/drivers/infiniband/core/ucma.c
> > @@ -391,7 +391,8 @@ static ssize_t ucma_create_id(struct ucma_file
> *file, const char __user *inbuf,
> > return -ENOMEM;
> >
> > ctx->uid = cmd.uid;
> > - ctx->cm_id = rdma_create_id(ucma_event_handler, ctx, cmd.ps,
> qp_type);
> > + ctx->cm_id = rdma_create_id(ucma_event_handler, ctx, cmd.ps,
> qp_type,
> > + &init_net);
> > if (IS_ERR(ctx->cm_id)) {
> > ret = PTR_ERR(ctx->cm_id);
> > goto err1;
> > diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c
> b/drivers/infiniband/ulp/iser/iser_verbs.c
> > index 695a2704bd43..d4e9c639ad2f 100644
> > --- a/drivers/infiniband/ulp/iser/iser_verbs.c
> > +++ b/drivers/infiniband/ulp/iser/iser_verbs.c
> > @@ -949,7 +949,7 @@ int iser_connect(struct iser_conn *iser_conn,
> >
> > ib_conn->cma_id = rdma_create_id(iser_cma_handler,
> > (void *)iser_conn,
> > - RDMA_PS_TCP, IB_QPT_RC);
> > + RDMA_PS_TCP, IB_QPT_RC, &init_net);
> > if (IS_ERR(ib_conn->cma_id)) {
> > err = PTR_ERR(ib_conn->cma_id);
> > iser_err("rdma_create_id failed: %d\n", err);
> > diff --git a/drivers/infiniband/ulp/isert/ib_isert.c
> b/drivers/infiniband/ulp/isert/ib_isert.c
> > index dafb3c531f96..44a6fff8dc79 100644
> > --- a/drivers/infiniband/ulp/isert/ib_isert.c
> > +++ b/drivers/infiniband/ulp/isert/ib_isert.c
> > @@ -2960,7 +2960,7 @@ isert_setup_id(struct isert_np *isert_np)
> > isert_dbg("ksockaddr: %p, sa: %p\n", &np->np_sockaddr, sa);
> >
> > id = rdma_create_id(isert_cma_handler, isert_np,
> > - RDMA_PS_TCP, IB_QPT_RC);
> > + RDMA_PS_TCP, IB_QPT_RC, &init_net);
> > if (IS_ERR(id)) {
> > isert_err("rdma_create_id() failed: %ld\n", PTR_ERR(id));
> > ret = PTR_ERR(id);
> > diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
> b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
> > index b02b4ec1e29d..128de4eb0959 100644
> > --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
> > +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
> > @@ -125,7 +125,9 @@ extern kib_tunables_t kiblnd_tunables;
> > IBLND_CREDIT_HIGHWATER_V1 : \
> > *kiblnd_tunables.kib_peercredits_hiw) /* when
> eagerly to return credits */
> >
> > -#define kiblnd_rdma_create_id(cb, dev, ps, qpt) rdma_create_id(cb,
> dev, ps, qpt)
> > +#define kiblnd_rdma_create_id(cb, dev, ps, qpt) rdma_create_id(cb,
> dev, \
> > + ps, qpt, \
> > + &init_net)
> >
> > static inline int
> > kiblnd_concurrent_sends_v1(void)
> > diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
> > index 1ed2088dc9f5..3953e9c8bc94 100644
> > --- a/include/rdma/rdma_cm.h
> > +++ b/include/rdma/rdma_cm.h
> > @@ -163,10 +163,14 @@ struct rdma_cm_id {
> > * @context: User specified context associated with the id.
> > * @ps: RDMA port space.
> > * @qp_type: type of queue pair associated with the id.
> > + * @net: The network namespace in which to create the new id.
> > + *
> > + * The id holds a reference on the network namespace until it is
> destroyed.
> > */
> > struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler
> event_handler,
> > void *context, enum rdma_port_space ps,
> > - enum ib_qp_type qp_type);
> > + enum ib_qp_type qp_type,
> > + struct net *net);
> >
> > /**
> > * rdma_destroy_id - Destroys an RDMA identifier.
> > diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
> > index 14ad43b5cf89..577fd3129bcf 100644
> > --- a/net/9p/trans_rdma.c
> > +++ b/net/9p/trans_rdma.c
> > @@ -635,7 +635,7 @@ rdma_create_trans(struct p9_client *client, const
> char *addr, char *args)
> >
> > /* Create the RDMA CM ID */
> > rdma->cm_id = rdma_create_id(p9_cm_event_handler, client,
> RDMA_PS_TCP,
> > - IB_QPT_RC);
> > + IB_QPT_RC, &init_net);
> > if (IS_ERR(rdma->cm_id))
> > goto error;
> >
> > diff --git a/net/rds/ib.c b/net/rds/ib.c
> > index ba2dffeff608..cc137f523248 100644
> > --- a/net/rds/ib.c
> > +++ b/net/rds/ib.c
> > @@ -326,7 +326,7 @@ static int rds_ib_laddr_check(__be32 addr)
> > /* Create a CMA ID and try to bind it. This catches both
> > * IB and iWARP capable NICs.
> > */
> > - cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP, IB_QPT_RC);
> > + cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP, IB_QPT_RC,
> &init_net);
> > if (IS_ERR(cm_id))
> > return PTR_ERR(cm_id);
> >
> > diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
> > index 31b74f5e61ad..d19b91296ddc 100644
> > --- a/net/rds/ib_cm.c
> > +++ b/net/rds/ib_cm.c
> > @@ -584,7 +584,7 @@ int rds_ib_conn_connect(struct rds_connection
> *conn)
> > /* XXX I wonder what affect the port space has */
> > /* delegate cm event handler to rdma_transport */
> > ic->i_cm_id = rdma_create_id(rds_rdma_cm_event_handler, conn,
> > - RDMA_PS_TCP, IB_QPT_RC);
> > + RDMA_PS_TCP, IB_QPT_RC, &init_net);
> > if (IS_ERR(ic->i_cm_id)) {
> > ret = PTR_ERR(ic->i_cm_id);
> > ic->i_cm_id = NULL;
> > diff --git a/net/rds/iw.c b/net/rds/iw.c
> > index 589935661d66..8501b73ed12f 100644
> > --- a/net/rds/iw.c
> > +++ b/net/rds/iw.c
> > @@ -227,7 +227,7 @@ static int rds_iw_laddr_check(__be32 addr)
> > /* Create a CMA ID and try to bind it. This catches both
> > * IB and iWARP capable NICs.
> > */
> > - cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP, IB_QPT_RC);
> > + cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP, IB_QPT_RC,
> &init_net);
> > if (IS_ERR(cm_id))
> > return PTR_ERR(cm_id);
> >
> > diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
> > index a91e1db62ee6..e5ee2d562a60 100644
> > --- a/net/rds/iw_cm.c
> > +++ b/net/rds/iw_cm.c
> > @@ -521,7 +521,7 @@ int rds_iw_conn_connect(struct rds_connection
> *conn)
> > /* XXX I wonder what affect the port space has */
> > /* delegate cm event handler to rdma_transport */
> > ic->i_cm_id = rdma_create_id(rds_rdma_cm_event_handler, conn,
> > - RDMA_PS_TCP, IB_QPT_RC);
> > + RDMA_PS_TCP, IB_QPT_RC, &init_net);
> > if (IS_ERR(ic->i_cm_id)) {
> > ret = PTR_ERR(ic->i_cm_id);
> > ic->i_cm_id = NULL;
> > diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
> > index 6cd9d1deafc3..066b60b27b12 100644
> > --- a/net/rds/rdma_transport.c
> > +++ b/net/rds/rdma_transport.c
> > @@ -160,7 +160,7 @@ static int rds_rdma_listen_init(void)
> > int ret;
> >
> > cm_id = rdma_create_id(rds_rdma_cm_event_handler, NULL,
> RDMA_PS_TCP,
> > - IB_QPT_RC);
> > + IB_QPT_RC, &init_net);
> > if (IS_ERR(cm_id)) {
> > ret = PTR_ERR(cm_id);
> > printk(KERN_ERR "RDS/RDMA: failed to setup listener, "
> > diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c
> b/net/sunrpc/xprtrdma/svc_rdma_transport.c
> > index 4e618808bc98..e3b246e305f9 100644
> > --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
> > +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
> > @@ -701,7 +701,7 @@ static struct svc_xprt *svc_rdma_create(struct
> svc_serv *serv,
> > xprt = &cma_xprt->sc_xprt;
> >
> > listen_id = rdma_create_id(rdma_listen_handler, cma_xprt,
> RDMA_PS_TCP,
> > - IB_QPT_RC);
> > + IB_QPT_RC, &init_net);
> > if (IS_ERR(listen_id)) {
> > ret = PTR_ERR(listen_id);
> > dprintk("svcrdma: rdma_create_id failed = %d\n", ret);
> > diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
> > index c98e40643910..f574e77165f4 100644
> > --- a/net/sunrpc/xprtrdma/verbs.c
> > +++ b/net/sunrpc/xprtrdma/verbs.c
> > @@ -483,7 +483,8 @@ rpcrdma_create_id(struct rpcrdma_xprt *xprt,
> >
> > init_completion(&ia->ri_done);
> >
> > - id = rdma_create_id(rpcrdma_conn_upcall, xprt, RDMA_PS_TCP,
> IB_QPT_RC);
> > + id = rdma_create_id(rpcrdma_conn_upcall, xprt, RDMA_PS_TCP,
> IB_QPT_RC,
> > + &init_net);
> > if (IS_ERR(id)) {
> > rc = PTR_ERR(id);
> > dprintk("RPC: %s: rdma_create_id() failed %i\n",
>
Thanks,
--Shachar
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