[PATCH v6 05/14] NFSD: Trace stateids returned via DELEGRETURN

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Handing out a delegation stateid is recorded with the
nfsd_deleg_read tracepoint, but there isn't a matching tracepoint
for recording when the stateid is returned.

Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
 fs/nfsd/nfs4state.c |    1 +
 fs/nfsd/trace.h     |    1 +
 2 files changed, 2 insertions(+)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index c829b828b6fd..93cfae7cd391 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -6901,6 +6901,7 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 	if (status)
 		goto put_stateid;
 
+	trace_nfsd_deleg_return(stateid);
 	wake_up_var(d_inode(cstate->current_fh.fh_dentry));
 	destroy_delegation(dp);
 put_stateid:
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index b065a4b1e0dc..477c2b035872 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -601,6 +601,7 @@ DEFINE_STATEID_EVENT(layout_recall_release);
 
 DEFINE_STATEID_EVENT(open);
 DEFINE_STATEID_EVENT(deleg_read);
+DEFINE_STATEID_EVENT(deleg_return);
 DEFINE_STATEID_EVENT(deleg_recall);
 
 DECLARE_EVENT_CLASS(nfsd_stateseqid_class,





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