Commit 806d65b6 authored by Chuck Lever's avatar Chuck Lever Committed by J. Bruce Fields
Browse files

NFSD: Add cb_lost tracepoint 



Provide more clarity about when the callback channel is in trouble.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 167145cc

fs/nfsd/nfs4state.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

fs/nfsd/trace.h

+1 −0
Original line number Diff line number Diff line
@@ -912,6 +912,7 @@ 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_DEFINE_ENUM(RPC_AUTH_NULL);