[PATCH] IB: Change ib_mad_send_wr_private struct

Have ib_mad_send_wr_private reference the private agent structure directly,
rather than the exposed agent definition.  Remove unneeded parameters to
functions and simplify code were possible from this change.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 12 insertions, 14 deletions

diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 5535a45a8548..d1898b30c345 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -839,8 +839,7 @@ void ib_free_send_mad(struct ib_mad_send_buf *send_buf)
 }
 EXPORT_SYMBOL(ib_free_send_mad);
 
-static int ib_send_mad(struct ib_mad_agent_private *mad_agent_priv,
-                       struct ib_mad_send_wr_private *mad_send_wr)
+static int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr)
 {
         struct ib_mad_qp_info *qp_info;
         struct ib_send_wr *bad_send_wr;
@@ -848,7 +847,7 @@ static int ib_send_mad(struct ib_mad_agent_private *mad_agent_priv,
         int ret;
 
         /* Set WR ID to find mad_send_wr upon completion */
-        qp_info = mad_agent_priv->qp_info;
+        qp_info = mad_send_wr->mad_agent_priv->qp_info;
         mad_send_wr->send_wr.wr_id = (unsigned long)&mad_send_wr->mad_list;
         mad_send_wr->mad_list.mad_queue = &qp_info->send_queue;
 
@@ -857,7 +856,7 @@ static int ib_send_mad(struct ib_mad_agent_private *mad_agent_priv,
                 list_add_tail(&mad_send_wr->mad_list.list,
                               &qp_info->send_queue.list);
                 spin_unlock_irqrestore(&qp_info->send_queue.lock, flags);
-                ret = ib_post_send(mad_agent_priv->agent.qp,
+                ret = ib_post_send(mad_send_wr->mad_agent_priv->agent.qp,
                                    &mad_send_wr->send_wr, &bad_send_wr);
                 if (ret) {
                         printk(KERN_ERR PFX "ib_post_send failed: %d\n", ret);
@@ -950,7 +949,7 @@ int ib_post_send_mad(struct ib_mad_agent *mad_agent,
                 mad_send_wr->wr_id = mad_send_wr->send_wr.wr_id;
                 mad_send_wr->send_wr.next = NULL;
                 mad_send_wr->tid = send_wr->wr.ud.mad_hdr->tid;
-                mad_send_wr->agent = mad_agent;
+                mad_send_wr->mad_agent_priv = mad_agent_priv;
                 /* Timeout will be updated after send completes */
                 mad_send_wr->timeout = msecs_to_jiffies(send_wr->wr.
                                                         ud.timeout_ms);
@@ -966,7 +965,7 @@ int ib_post_send_mad(struct ib_mad_agent *mad_agent,
                               &mad_agent_priv->send_list);
                 spin_unlock_irqrestore(&mad_agent_priv->lock, flags);
 
-                ret = ib_send_mad(mad_agent_priv, mad_send_wr);
+                ret = ib_send_mad(mad_send_wr);
                 if (ret) {
                         /* Fail send request */
                         spin_lock_irqsave(&mad_agent_priv->lock, flags);
@@ -1742,13 +1741,14 @@ static void adjust_timeout(struct ib_mad_agent_private *mad_agent_priv)
         }
 }
 
-static void wait_for_response(struct ib_mad_agent_private *mad_agent_priv,
-                              struct ib_mad_send_wr_private *mad_send_wr )
+static void wait_for_response(struct ib_mad_send_wr_private *mad_send_wr)
 {
+        struct ib_mad_agent_private *mad_agent_priv;
         struct ib_mad_send_wr_private *temp_mad_send_wr;
         struct list_head *list_item;
         unsigned long delay;
 
+        mad_agent_priv = mad_send_wr->mad_agent_priv;
         list_del(&mad_send_wr->agent_list);
 
         delay = mad_send_wr->timeout;
@@ -1781,9 +1781,7 @@ static void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr,
         struct ib_mad_agent_private     *mad_agent_priv;
         unsigned long                   flags;
 
-        mad_agent_priv = container_of(mad_send_wr->agent,
-                                      struct ib_mad_agent_private, agent);
-
+        mad_agent_priv = mad_send_wr->mad_agent_priv;
         spin_lock_irqsave(&mad_agent_priv->lock, flags);
         if (mad_send_wc->status != IB_WC_SUCCESS &&
             mad_send_wr->status == IB_WC_SUCCESS) {
@@ -1794,7 +1792,7 @@ static void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr,
         if (--mad_send_wr->refcount > 0) {
                 if (mad_send_wr->refcount == 1 && mad_send_wr->timeout &&
                     mad_send_wr->status == IB_WC_SUCCESS) {
-                        wait_for_response(mad_agent_priv, mad_send_wr);
+                        wait_for_response(mad_send_wr);
                 }
                 spin_unlock_irqrestore(&mad_agent_priv->lock, flags);
                 return;
diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h
index 008cbcb94b15..96f1b5b610c2 100644
--- a/drivers/infiniband/core/mad_priv.h
+++ b/drivers/infiniband/core/mad_priv.h
@@ -29,7 +29,7 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *
- * $Id: mad_priv.h 1389 2004-12-27 22:56:47Z roland $
+ * $Id: mad_priv.h 1980 2005-03-11 22:33:53Z sean.hefty $
  */
 
 #ifndef __IB_MAD_PRIV_H__
@@ -116,7 +116,7 @@ struct ib_mad_snoop_private {
 struct ib_mad_send_wr_private {
         struct ib_mad_list_head mad_list;
         struct list_head agent_list;
-        struct ib_mad_agent *agent;
+        struct ib_mad_agent_private *mad_agent_priv;
         struct ib_send_wr send_wr;
         struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
         u64 wr_id;                      /* client WR ID */