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@xxxxxxxxxxxxxx>
---
fs/nfsd/nfs4callback.c | 9 +--------
1 files changed, 1 insertions(+), 8 deletions(-)
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index b99c3f0..91eb2ea 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -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);
}
--
1.6.3.3
--
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