@@ -1745,6 +1745,8 @@ static void nfsd4_conn_lost(struct svc_xpt_user *u)
struct nfsd4_conn *c = container_of(u, struct nfsd4_conn, cn_xpt_user);
struct nfs4_client *clp = c->cn_session->se_client;
+ trace_nfsd_cb_lost(clp);
+
spin_lock(&clp->cl_lock);
if (!list_empty(&c->cn_persession)) {
list_del(&c->cn_persession);
@@ -863,6 +863,7 @@ DEFINE_EVENT(nfsd_cb_class, nfsd_cb_##name, \
DEFINE_NFSD_CB_EVENT(setup);
DEFINE_NFSD_CB_EVENT(state);
+DEFINE_NFSD_CB_EVENT(lost);
DEFINE_NFSD_CB_EVENT(shutdown);
TRACE_EVENT(nfsd_cb_setup_err,
Provide more clarity about when the callback channel is in trouble. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> --- fs/nfsd/nfs4state.c | 2 ++ fs/nfsd/trace.h | 1 + 2 files changed, 3 insertions(+)