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authorChuck Lever <chuck.lever@oracle.com>2021-05-14 15:55:29 -0400
committerJ. Bruce Fields <bfields@redhat.com>2021-05-18 13:44:02 -0400
commit27787733ef44332fce749aa853f2749d141982b0 (patch)
tree4c9c3719927515e1912c29fbfcee2a9aa7df4646 /fs/nfsd/trace.h
parent87b2394d60c32c158ebb96ace4abee883baf1239 (diff)
NFSD: Add nfsd_clid_cred_mismatch tracepoint
Record when a client tries to establish a lease record but uses an unexpected credential. This is often a sign of a configuration problem. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/trace.h')
-rw-r--r--fs/nfsd/trace.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index 1b50640cdf96..820a542e1013 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -536,6 +536,34 @@ DEFINE_EVENT(nfsd_net_class, nfsd_##name, \
DEFINE_NET_EVENT(grace_start);
DEFINE_NET_EVENT(grace_complete);
+TRACE_EVENT(nfsd_clid_cred_mismatch,
+ TP_PROTO(
+ const struct nfs4_client *clp,
+ const struct svc_rqst *rqstp
+ ),
+ TP_ARGS(clp, rqstp),
+ TP_STRUCT__entry(
+ __field(u32, cl_boot)
+ __field(u32, cl_id)
+ __field(unsigned long, cl_flavor)
+ __field(unsigned long, new_flavor)
+ __array(unsigned char, addr, sizeof(struct sockaddr_in6))
+ ),
+ TP_fast_assign(
+ __entry->cl_boot = clp->cl_clientid.cl_boot;
+ __entry->cl_id = clp->cl_clientid.cl_id;
+ __entry->cl_flavor = clp->cl_cred.cr_flavor;
+ __entry->new_flavor = rqstp->rq_cred.cr_flavor;
+ memcpy(__entry->addr, &rqstp->rq_xprt->xpt_remote,
+ sizeof(struct sockaddr_in6));
+ ),
+ TP_printk("client %08x:%08x flavor=%s, conflict=%s from addr=%pISpc",
+ __entry->cl_boot, __entry->cl_id,
+ show_nfsd_authflavor(__entry->cl_flavor),
+ show_nfsd_authflavor(__entry->new_flavor), __entry->addr
+ )
+)
+
TRACE_EVENT(nfsd_clid_inuse_err,
TP_PROTO(const struct nfs4_client *clp),
TP_ARGS(clp),