Commit ce99aa62 authored May 09, 2020 by Chuck Lever Committed by Trond Myklebust May 11, 2020

SUNRPC: Signalled ASYNC tasks need to exit



Ensure that signalled ASYNC rpc_tasks exit immediately instead of
spinning until a timeout (or forever).

To avoid checking for the signal flag on every scheduler iteration,
the check is instead introduced in the client's finite state
machine.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Fixes: ae67bd38 ("SUNRPC: Fix up task signalling")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

parent 29fe8399

net/sunrpc/clnt.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2433,6 +2433,11 @@ rpc_check_timeout(struct rpc_task *task)
		{
		struct rpc_clnt *clnt = task->tk_client;

		if (RPC_SIGNALLED(task)) {
		rpc_call_rpcerror(task, -ERESTARTSYS);
		return;
		}

		if (xprt_adjust_timeout(task->tk_rqstp) == 0)
		return;

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