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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@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
This commit is contained in:
Chuck Lever 2022-10-28 10:47:03 -04:00
parent eeff73f7c1
commit 20eee313ff
2 changed files with 2 additions and 0 deletions
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1
fs/nfsd/nfs4state.c
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@ -6917,6 +6917,7 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
if (status) if (status)
goto put_stateid; goto put_stateid;
trace_nfsd_deleg_return(stateid);
wake_up_var(d_inode(cstate->current_fh.fh_dentry)); wake_up_var(d_inode(cstate->current_fh.fh_dentry));
destroy_delegation(dp); destroy_delegation(dp);
put_stateid: put_stateid:

1
fs/nfsd/trace.h
View File

@ -604,6 +604,7 @@ DEFINE_STATEID_EVENT(layout_recall_release);
DEFINE_STATEID_EVENT(open); DEFINE_STATEID_EVENT(open);
DEFINE_STATEID_EVENT(deleg_read); DEFINE_STATEID_EVENT(deleg_read);
DEFINE_STATEID_EVENT(deleg_return);
DEFINE_STATEID_EVENT(deleg_recall); DEFINE_STATEID_EVENT(deleg_recall);
DECLARE_EVENT_CLASS(nfsd_stateseqid_class, DECLARE_EVENT_CLASS(nfsd_stateseqid_class,