Commit 5e1550d6 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

SUNRPC: Add the helper function 'rpc_call_null()' 



Does a NULL RPC call and returns a pointer to the resulting rpc_task. The
call may be either synchronous or asynchronous.

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 64c91a1f

include/linux/sunrpc/clnt.h

+2 −0
Original line number Diff line number Diff line
@@ -130,6 +130,8 @@ int rpc_call_async(struct rpc_clnt *clnt, struct rpc_message *msg, 
			       void *calldata);

int		rpc_call_sync(struct rpc_clnt *clnt, struct rpc_message *msg,

			      int flags);

struct rpc_task *rpc_call_null(struct rpc_clnt *clnt, struct rpc_cred *cred,

			       int flags);

void		rpc_restart_call(struct rpc_task *);

void		rpc_clnt_sigmask(struct rpc_clnt *clnt, sigset_t *oldset);

void		rpc_clnt_sigunmask(struct rpc_clnt *clnt, sigset_t *oldset);

net/sunrpc/clnt.c

+10 −0
Original line number Diff line number Diff line
@@ -1455,6 +1455,16 @@ static int rpc_ping(struct rpc_clnt *clnt, int flags) 
	return err;

}



struct rpc_task *rpc_call_null(struct rpc_clnt *clnt, struct rpc_cred *cred, int flags)

{

	struct rpc_message msg = {

		.rpc_proc = &rpcproc_null,

		.rpc_cred = cred,

	};

	return rpc_do_run_task(clnt, &msg, flags, &rpc_default_ops, NULL);

}

EXPORT_SYMBOL(rpc_call_null);



#ifdef RPC_DEBUG

void rpc_show_tasks(void)

{