nfsd: set timeparms.to_maxval in setup_callback_client

commit 3758cf7e14b753838fe754ede3862af10b35fdac upstream.

...otherwise the logic in the timeout handling doesn't work correctly.

Spotted-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 7f05cd140de3..3eaa6e30a2dc 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -637,9 +637,11 @@ static struct rpc_cred *get_backchannel_cred(struct nfs4_client *clp, struct rpc
 
 static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *conn, struct nfsd4_session *ses)
 {
+        int maxtime = max_cb_time(clp->net);
         struct rpc_timeout      timeparms = {
-                .to_initval     = max_cb_time(clp->net),
+                .to_initval     = maxtime,
                 .to_retries     = 0,
+                .to_maxval      = maxtime,
         };
         struct rpc_create_args args = {
                 .net            = clp->net,