forked from luck/tmp_suning_uos_patched
nfsd4: remove probe task's reference on client
Any null probe rpc will be synchronously destroyed by the rpc_shutdown_client() in expire_client(), so the rpc task cannot outlast the nfs4 client. Therefore there's no need for that task to hold a reference on the client. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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3df796dbe9
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@ -509,7 +509,6 @@ static void nfsd4_cb_probe_done(struct rpc_task *task, void *calldata)
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warn_no_callback_path(clp, task->tk_status);
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else
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atomic_set(&clp->cl_cb_conn.cb_set, 1);
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put_nfs4_client(clp);
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}
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static const struct rpc_call_ops nfsd4_cb_probe_ops = {
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@ -542,10 +541,8 @@ void do_probe_callback(struct nfs4_client *clp)
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status = rpc_call_async(cb->cb_client, &msg,
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RPC_TASK_SOFT | RPC_TASK_SOFTCONN,
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&nfsd4_cb_probe_ops, (void *)clp);
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if (status) {
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if (status)
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warn_no_callback_path(clp, status);
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put_nfs4_client(clp);
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}
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}
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/*
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@ -563,10 +560,6 @@ nfsd4_probe_callback(struct nfs4_client *clp)
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warn_no_callback_path(clp, status);
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return;
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}
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/* the task holds a reference to the nfs4_client struct */
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atomic_inc(&clp->cl_count);
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do_probe_callback(clp);
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}
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