[PATCH v6 05/14] NFSD: Trace stateids returned via DELEGRETURN
From: Chuck Lever <hidden>
Date: 2022-10-27 18:52:14
Subsystem:
filesystems (vfs and infrastructure), kernel nfsd, sunrpc, and lockd servers, the rest · Maintainers:
Alexander Viro, Christian Brauner, Chuck Lever, Jeff Layton, Linus Torvalds
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 <redacted> --- 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,