Merge ../linus

[pandora-kernel.git] / drivers / infiniband / hw / mthca / mthca_provider.h

diff --git a/drivers/infiniband/hw/mthca/mthca_provider.h b/drivers/infiniband/hw/mthca/mthca_provider.h
index 179a8f6..9a5bece 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_provider.h
+++ b/drivers/infiniband/hw/mthca/mthca_provider.h
@@ -136,8 +136,8 @@ struct mthca_ah {
  * We have one global lock that protects dev->cq/qp_table.  Each
  * struct mthca_cq/qp also has its own lock.  An individual qp lock
  * may be taken inside of an individual cq lock.  Both cqs attached to
- * a qp may be locked, with the send cq locked first.  No other
- * nesting should be done.
+ * a qp may be locked, with the cq with the lower cqn locked first.
+ * No other nesting should be done.
  *
  * Each struct mthca_cq/qp also has an ref count, protected by the
  * corresponding table lock.  The pointer from the cq/qp_table to the
@@ -214,6 +214,7 @@ struct mthca_cq {
        int                     arm_sn;
 
        wait_queue_head_t       wait;
+       struct mutex            mutex;
 };
 
 struct mthca_srq {
@@ -237,6 +238,7 @@ struct mthca_srq {
        struct mthca_mr         mr;
 
        wait_queue_head_t       wait;
+       struct mutex            mutex;
 };
 
 struct mthca_wq {
@@ -278,6 +280,7 @@ struct mthca_qp {
        union mthca_buf        queue;
 
        wait_queue_head_t      wait;
+       struct mutex           mutex;
 };
 
 struct mthca_sqp {