Commit 4ade892a authored by Chuck Lever's avatar Chuck Lever Committed by J. Bruce Fields
Browse files

NFSD: Add an nfsd_cb_probe tracepoint 



Record a tracepoint event when the server performs a callback
probe. This event can be enabled as a group with other nfsd_cb
tracepoints.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 17d76ddf

fs/nfsd/nfs4callback.c

+1 −0
Original line number Diff line number Diff line
@@ -998,6 +998,7 @@ static const struct rpc_call_ops nfsd4_cb_probe_ops = { 
 */

void nfsd4_probe_callback(struct nfs4_client *clp)

{

	trace_nfsd_cb_probe(clp);

	nfsd4_mark_cb_state(clp, NFSD4_CB_UNKNOWN);

	set_bit(NFSD4_CLIENT_CB_UPDATE, &clp->cl_flags);

	nfsd4_run_cb(&clp->cl_cb_null);

fs/nfsd/trace.h

+1 −0
Original line number Diff line number Diff line
@@ -910,6 +910,7 @@ DEFINE_EVENT(nfsd_cb_class, nfsd_cb_##name, \ 
	TP_ARGS(clp))



DEFINE_NFSD_CB_EVENT(state);

DEFINE_NFSD_CB_EVENT(probe);

DEFINE_NFSD_CB_EVENT(lost);

DEFINE_NFSD_CB_EVENT(shutdown);