cxgb3: fix dma mapping regression

[safe/jmp/linux-2.6] / drivers / scsi / scsi_transport_iscsi.c

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 4a803eb..0947954 100644 (file)
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -187,8 +187,7 @@ iscsi_create_endpoint(int dd_size)
 
        ep->id = id;
        ep->dev.class = &iscsi_endpoint_class;
-       snprintf(ep->dev.bus_id, BUS_ID_SIZE, "ep-%llu",
-                (unsigned long long) id);
+       dev_set_name(&ep->dev, "ep-%llu", (unsigned long long) id);
        err = device_register(&ep->dev);
         if (err)
                 goto free_ep;
@@ -247,30 +246,13 @@ static int iscsi_setup_host(struct transport_container *tc, struct device *dev,
        memset(ihost, 0, sizeof(*ihost));
        atomic_set(&ihost->nr_scans, 0);
        mutex_init(&ihost->mutex);
-
-       snprintf(ihost->scan_workq_name, sizeof(ihost->scan_workq_name),
-                "iscsi_scan_%d", shost->host_no);
-       ihost->scan_workq = create_singlethread_workqueue(
-                                               ihost->scan_workq_name);
-       if (!ihost->scan_workq)
-               return -ENOMEM;
-       return 0;
-}
-
-static int iscsi_remove_host(struct transport_container *tc, struct device *dev,
-                            struct device *cdev)
-{
-       struct Scsi_Host *shost = dev_to_shost(dev);
-       struct iscsi_cls_host *ihost = shost->shost_data;
-
-       destroy_workqueue(ihost->scan_workq);
        return 0;
 }
 
 static DECLARE_TRANSPORT_CLASS(iscsi_host_class,
                               "iscsi_host",
                               iscsi_setup_host,
-                              iscsi_remove_host,
+                              NULL,
                               NULL);
 
 static DECLARE_TRANSPORT_CLASS(iscsi_session_class,
@@ -569,7 +551,7 @@ static void __iscsi_unblock_session(struct work_struct *work)
         * scanning from userspace).
         */
        if (shost->hostt->scan_finished) {
-               if (queue_work(ihost->scan_workq, &session->scan_work))
+               if (scsi_queue_work(shost, &session->scan_work))
                        atomic_inc(&ihost->nr_scans);
        }
 }
@@ -637,14 +619,6 @@ static void __iscsi_unbind_session(struct work_struct *work)
        iscsi_session_event(session, ISCSI_KEVENT_UNBIND_SESSION);
 }
 
-static int iscsi_unbind_session(struct iscsi_cls_session *session)
-{
-       struct Scsi_Host *shost = iscsi_session_to_shost(session);
-       struct iscsi_cls_host *ihost = shost->shost_data;
-
-       return queue_work(ihost->scan_workq, &session->unbind_work);
-}
-
 struct iscsi_cls_session *
 iscsi_alloc_session(struct Scsi_Host *shost, struct iscsi_transport *transport,
                    int dd_size)
@@ -724,8 +698,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id)
        }
        session->target_id = id;
 
-       snprintf(session->dev.bus_id, BUS_ID_SIZE, "session%u",
-                session->sid);
+       dev_set_name(&session->dev, "session%u", session->sid);
        err = device_add(&session->dev);
        if (err) {
                iscsi_cls_session_printk(KERN_ERR, session,
@@ -798,7 +771,6 @@ static int iscsi_iter_destroy_conn_fn(struct device *dev, void *data)
 void iscsi_remove_session(struct iscsi_cls_session *session)
 {
        struct Scsi_Host *shost = iscsi_session_to_shost(session);
-       struct iscsi_cls_host *ihost = shost->shost_data;
        unsigned long flags;
        int err;
 
@@ -823,7 +795,7 @@ void iscsi_remove_session(struct iscsi_cls_session *session)
 
        scsi_target_unblock(&session->dev);
        /* flush running scans then delete devices */
-       flush_workqueue(ihost->scan_workq);
+       scsi_flush_work(shost);
        __iscsi_unbind_session(&session->unbind_work);
 
        /* hw iscsi may not have removed all connections from session */
@@ -898,8 +870,7 @@ iscsi_create_conn(struct iscsi_cls_session *session, int dd_size, uint32_t cid)
        if (!get_device(&session->dev))
                goto free_conn;
 
-       snprintf(conn->dev.bus_id, BUS_ID_SIZE, "connection%d:%u",
-                session->sid, cid);
+       dev_set_name(&conn->dev, "connection%d:%u", session->sid, cid);
        conn->dev.parent = &session->dev;
        conn->dev.release = iscsi_conn_release;
        err = device_register(&conn->dev);
@@ -969,15 +940,7 @@ iscsi_if_transport_lookup(struct iscsi_transport *tt)
 static int
 iscsi_broadcast_skb(struct sk_buff *skb, gfp_t gfp)
 {
-       int rc;
-
-       rc = netlink_broadcast(nls, skb, 0, 1, gfp);
-       if (rc < 0) {
-               printk(KERN_ERR "iscsi: can not broadcast skb (%d)\n", rc);
-               return rc;
-       }
-
-       return 0;
+       return netlink_broadcast(nls, skb, 0, 1, gfp);
 }
 
 static int
@@ -1210,7 +1173,7 @@ int iscsi_session_event(struct iscsi_cls_session *session,
         * the user and when the daemon is restarted it will handle it
         */
        rc = iscsi_broadcast_skb(skb, GFP_KERNEL);
-       if (rc < 0)
+       if (rc == -ESRCH)
                iscsi_cls_session_printk(KERN_ERR, session,
                                         "Cannot notify userspace of session "
                                         "event %u. Check iscsi daemon\n",
@@ -1226,14 +1189,15 @@ iscsi_if_create_session(struct iscsi_internal *priv, struct iscsi_endpoint *ep,
 {
        struct iscsi_transport *transport = priv->iscsi_transport;
        struct iscsi_cls_session *session;
-       uint32_t host_no;
+       struct Scsi_Host *shost;
 
        session = transport->create_session(ep, cmds_max, queue_depth,
-                                           initial_cmdsn, &host_no);
+                                           initial_cmdsn);
        if (!session)
                return -ENOMEM;
 
-       ev->r.c_session_ret.host_no = host_no;
+       shost = iscsi_session_to_shost(session);
+       ev->r.c_session_ret.host_no = shost->host_no;
        ev->r.c_session_ret.sid = session->sid;
        return 0;
 }
@@ -1450,7 +1414,8 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
        case ISCSI_UEVENT_UNBIND_SESSION:
                session = iscsi_session_lookup(ev->u.d_session.sid);
                if (session)
-                       iscsi_unbind_session(session);
+                       scsi_queue_work(iscsi_session_to_shost(session),
+                                       &session->unbind_work);
                else
                        err = -EINVAL;
                break;
@@ -1812,11 +1777,10 @@ iscsi_register_transport(struct iscsi_transport *tt)
        priv->daemon_pid = -1;
        priv->iscsi_transport = tt;
        priv->t.user_scan = iscsi_user_scan;
-       if (!(tt->caps & CAP_DATA_PATH_OFFLOAD))
-               priv->t.create_work_queue = 1;
+       priv->t.create_work_queue = 1;
 
        priv->dev.class = &iscsi_transport_class;
-       snprintf(priv->dev.bus_id, BUS_ID_SIZE, "%s", tt->name);
+       dev_set_name(&priv->dev, "%s", tt->name);
        err = device_register(&priv->dev);
        if (err)
                goto free_priv;