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>
This commit is contained in:
J. Bruce Fields 2010-02-21 17:53:04 -08:00
parent 3df796dbe9
commit 9045b4b9f7

View File

@ -509,7 +509,6 @@ static void nfsd4_cb_probe_done(struct rpc_task *task, void *calldata)
warn_no_callback_path(clp, task->tk_status);
else
atomic_set(&clp->cl_cb_conn.cb_set, 1);
put_nfs4_client(clp);
}
static const struct rpc_call_ops nfsd4_cb_probe_ops = {
@ -542,10 +541,8 @@ void do_probe_callback(struct nfs4_client *clp)
status = rpc_call_async(cb->cb_client, &msg,
RPC_TASK_SOFT | RPC_TASK_SOFTCONN,
&nfsd4_cb_probe_ops, (void *)clp);
if (status) {
if (status)
warn_no_callback_path(clp, status);
put_nfs4_client(clp);
}
}
/*
@ -563,10 +560,6 @@ nfsd4_probe_callback(struct nfs4_client *clp)
warn_no_callback_path(clp, status);
return;
}
/* the task holds a reference to the nfs4_client struct */
atomic_inc(&clp->cl_count);
do_probe_callback(clp);
}