NFSD: Add nfsd_clid_reclaim_complete tracepoint

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 37cef1f..03f2770 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3949,6 +3949,7 @@ nfsd4_reclaim_complete(struct svc_rqst *rqstp,
 		goto out;
 
 	status = nfs_ok;
+	trace_nfsd_clid_reclaim_complete(&clp->cl_clientid);
 	nfsd4_client_record_create(clp);
 	inc_reclaim_complete(clp);
 out:
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index c3d47fd..18be3fb 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -511,6 +511,7 @@ DEFINE_EVENT(nfsd_clientid_class, nfsd_clid_##name, \
 	TP_PROTO(const clientid_t *clid), \
 	TP_ARGS(clid))
 
+DEFINE_CLIENTID_EVENT(reclaim_complete);
 DEFINE_CLIENTID_EVENT(confirmed);
 DEFINE_CLIENTID_EVENT(expired);
 DEFINE_CLIENTID_EVENT(purged);