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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-05-27 10:39:50 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-06-13 12:35:51 -0400
commit40a5f1b19bacb2de7a051be952dee85e38c9e5f5 (patch)
tree0e8ead168d326d40cfdea25a745699741d5d3f3e /net/sunrpc/xprtsock.c
parent5157b956961d78effd78399e1574b08b9b618422 (diff)
downloadlinux-stericsson-40a5f1b19bacb2de7a051be952dee85e38c9e5f5.tar.gz
SUNRPC: RPC transport queue must be low latency
rpciod can easily get congested due to the long list of queued rpc_tasks. Having the receive queue wait in turn for those tasks to complete can therefore be a bottleneck. Address the problem by separating the workqueues into: - rpciod: manages rpc_tasks - xprtiod: manages transport related work. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net/sunrpc/xprtsock.c')
-rw-r--r--net/sunrpc/xprtsock.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 62b4f5a2a331..646170d0cb86 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1095,7 +1095,7 @@ static void xs_data_ready(struct sock *sk)
if (xprt->reestablish_timeout)
xprt->reestablish_timeout = 0;
if (!test_and_set_bit(XPRT_SOCK_DATA_READY, &transport->sock_state))
- queue_work(rpciod_workqueue, &transport->recv_worker);
+ queue_work(xprtiod_workqueue, &transport->recv_worker);
}
read_unlock_bh(&sk->sk_callback_lock);
}
@@ -2378,7 +2378,7 @@ static void xs_connect(struct rpc_xprt *xprt, struct rpc_task *task)
/* Start by resetting any existing state */
xs_reset_transport(transport);
- queue_delayed_work(rpciod_workqueue,
+ queue_delayed_work(xprtiod_workqueue,
&transport->connect_worker,
xprt->reestablish_timeout);
xprt->reestablish_timeout <<= 1;
@@ -2388,7 +2388,7 @@ static void xs_connect(struct rpc_xprt *xprt, struct rpc_task *task)
xprt->reestablish_timeout = XS_TCP_MAX_REEST_TO;
} else {
dprintk("RPC: xs_connect scheduled xprt %p\n", xprt);
- queue_delayed_work(rpciod_workqueue,
+ queue_delayed_work(xprtiod_workqueue,
&transport->connect_worker, 0);
}
}