[3/8] SUNRPC: Don't take a reference to the cred on synchronous tasks
diff mbox series

Message ID 20200210191345.557460-4-trond.myklebust@hammerspace.com
State New
Headers show
Series
  • Reduce the refcount pressure of NFS on struct cred
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Commit Message

Trond Myklebust Feb. 10, 2020, 7:13 p.m. UTC
If the RPC call is synchronous, assume the cred is already pinned
by the caller.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 net/sunrpc/clnt.c | 3 +++
 1 file changed, 3 insertions(+)

Patch
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diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 2345e563c2f4..252b044cdcdf 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1127,6 +1127,9 @@  struct rpc_task *rpc_run_task(const struct rpc_task_setup *task_setup_data)
 
 	task = rpc_new_task(task_setup_data);
 
+	if (!RPC_IS_ASYNC(task))
+		task->tk_flags |= RPC_TASK_CRED_NOREF;
+
 	rpc_task_set_client(task, task_setup_data->rpc_client);
 	rpc_task_set_rpc_message(task, task_setup_data->rpc_message);