RDS: Implement atomic operations
Implement a CMSG-based interface to do FADD and CSWP ops.
Alter send routines to handle atomic ops.
Add atomic counters to stats.
Add xmit_atomic() to struct rds_transport
Inline rds_ib_send_unmap_rdma into unmap_rm
Signed-off-by: Andy Grover <andy.grover@oracle.com>
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index 0f3b5a2..242231f 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -298,7 +298,9 @@
ibmr->fmr = ib_alloc_fmr(rds_ibdev->pd,
(IB_ACCESS_LOCAL_WRITE |
IB_ACCESS_REMOTE_READ |
- IB_ACCESS_REMOTE_WRITE),
+ IB_ACCESS_REMOTE_WRITE|
+ IB_ACCESS_REMOTE_ATOMIC),
+
&pool->fmr_attr);
if (IS_ERR(ibmr->fmr)) {
err = PTR_ERR(ibmr->fmr);