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Code Issues Releases Wiki Activity

SUNRPC: Avoid holding locks across the XDR encoding of the RPC message

Browse source 
Currently, we grab the socket bit lock before we allow the message
to be XDR encoded. That significantly slows down the transmission
rate, since we serialise on a potentially blocking operation.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2018-08-14 13:58:34 -04:00
parent 7ebbbc6e7b
commit 3a03818fbe
1 changed files with 3 additions and 3 deletions
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6
net/sunrpc/clnt.c
View file

@ -1949,9 +1949,6 @@ call_transmit(struct rpc_task *task)
task->tk_action = call_status;
if (task->tk_status < 0)
return;
if (!xprt_prepare_transmit(task))
return;
task->tk_action = call_transmit_status;
/* Encode here so that rpcsec_gss can use correct sequence number. */
if (rpc_task_need_encode(task)) {
rpc_xdr_encode(task);
@ -1965,6 +1962,9 @@ call_transmit(struct rpc_task *task)
return;
}
}
if (!xprt_prepare_transmit(task))
return;
task->tk_action = call_transmit_status;
xprt_transmit(task);
if (task->tk_status < 0)
return;