IB/ehca: Change idr spinlocks into rwlocks

[linux-2.6-omap-h63xx.git] / drivers / infiniband / hw / ehca / ehca_cq.c

diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 3729997457caae4dd1963d840b9d76773afbb249..01d4a148bd719c4cd955c0628034b97cc14543d8 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -163,9 +163,9 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
                        goto create_cq_exit1;
                }
 
-               spin_lock_irqsave(&ehca_cq_idr_lock, flags);
+               write_lock_irqsave(&ehca_cq_idr_lock, flags);
                ret = idr_get_new(&ehca_cq_idr, my_cq, &my_cq->token);
-               spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
+               write_unlock_irqrestore(&ehca_cq_idr_lock, flags);
 
        } while (ret == -EAGAIN);
 
@@ -294,9 +294,9 @@ create_cq_exit3:
                         "cq_num=%x h_ret=%lx", my_cq, my_cq->cq_number, h_ret);
 
 create_cq_exit2:
-       spin_lock_irqsave(&ehca_cq_idr_lock, flags);
+       write_lock_irqsave(&ehca_cq_idr_lock, flags);
        idr_remove(&ehca_cq_idr, my_cq->token);
-       spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
+       write_unlock_irqrestore(&ehca_cq_idr_lock, flags);
 
 create_cq_exit1:
        kmem_cache_free(cq_cache, my_cq);
@@ -334,9 +334,9 @@ int ehca_destroy_cq(struct ib_cq *cq)
         * remove the CQ from the idr first to make sure
         * no more interrupt tasklets will touch this CQ
         */
-       spin_lock_irqsave(&ehca_cq_idr_lock, flags);
+       write_lock_irqsave(&ehca_cq_idr_lock, flags);
        idr_remove(&ehca_cq_idr, my_cq->token);
-       spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
+       write_unlock_irqrestore(&ehca_cq_idr_lock, flags);
 
        /* now wait until all pending events have completed */
        wait_event(my_cq->wait_completion, !atomic_read(&my_cq->nr_events));