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authorChuck Lever <chuck.lever@oracle.com>2017-12-14 20:56:18 -0500
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2018-01-16 11:19:42 -0500
commit42b9f5c58aa8c59c91ead0254f0c193e3438b020 (patch)
tree09913cced38a56763951c91023d94d5e381c4154 /net/sunrpc
parentd698c4a02ee02053bbebe051322ff427a2dad56a (diff)
xprtrdma: Eliminate unnecessary lock cycle in xprt_rdma_send_request
The rpcrdma_req is not shared yet, and its associated Send hasn't been posted, thus RMW should be safe. There's no need for the expense of a lock cycle here. Fixes: 0ba6f37012db ("xprtrdma: Refactor rpcrdma_deferred_completion") Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprtrdma/transport.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 7f9b62822807..7db063f8dd8a 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -735,7 +735,7 @@ xprt_rdma_send_request(struct rpc_task *task)
goto drop_connection;
req->rl_connect_cookie = xprt->connect_cookie;
- set_bit(RPCRDMA_REQ_F_PENDING, &req->rl_flags);
+ __set_bit(RPCRDMA_REQ_F_PENDING, &req->rl_flags);
if (rpcrdma_ep_post(&r_xprt->rx_ia, &r_xprt->rx_ep, req))
goto drop_connection;