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RDS: Implement atomic operations

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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>
This commit is contained in:
Andy Grover
2010-01-12 14:33:38 -08:00
parent a63273d499
commit 15133f6e67
9 changed files with 321 additions and 23 deletions
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net/rds/ib.c
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@@ -264,6 +264,7 @@ struct rds_transport rds_ib_transport = {
.xmit = rds_ib_xmit,
.xmit_cong_map = NULL,
.xmit_rdma = rds_ib_xmit_rdma,
.xmit_atomic = rds_ib_xmit_atomic,
.recv = rds_ib_recv,
.conn_alloc = rds_ib_conn_alloc,
.conn_free = rds_ib_conn_free,