mthca: in create_srq and in query_srq the returned value of max_wr should be
decremented because memfree devices need to reserve one wr.
Signed-off-by: Dotan Barak <[EMAIL PROTECTED]>
Index: latest/drivers/infiniband/hw/mthca/mthca_srq.c
===================================================================
--- latest.orig/drivers/infiniband/hw/mthca/mthca_srq.c 2006-03-09
09:30:36.000000000 +0200
+++ latest/drivers/infiniband/hw/mthca/mthca_srq.c 2006-03-09
11:27:47.000000000 +0200
@@ -271,7 +271,7 @@ int mthca_alloc_srq(struct mthca_dev *de
srq->first_free = 0;
srq->last_free = srq->max - 1;
- attr->max_wr = srq->max;
+ attr->max_wr = (mthca_is_memfree(dev)) ? srq->max - 1 : srq->max;
attr->max_sge = srq->max_gs;
return 0;
@@ -386,7 +386,7 @@ int mthca_query_srq(struct ib_srq *ibsrq
} else
srq_attr->srq_limit = 0;
- srq_attr->max_wr = srq->max;
+ srq_attr->max_wr = (mthca_is_memfree(dev)) ? srq->max - 1 : srq->max;
srq_attr->max_sge = srq->max_gs;
out:
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