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NFSD: Enhance the nfsd_cb_setup tracepoint

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Display the transport protocol and authentication flavor so admins
can see what they might be getting wrong.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Chuck Lever 2021-05-14 15:57:02 -04:00 committed by J. Bruce Fields
parent 9f57c6062b
commit 3c92fba557
2 changed files with 28 additions and 2 deletions
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3
fs/nfsd/nfs4callback.c
View File

@ -939,7 +939,8 @@ static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *c
}
clp->cl_cb_client = client;
clp->cl_cb_cred = cred;
trace_nfsd_cb_setup(clp);
trace_nfsd_cb_setup(clp, rpc_peeraddr2str(client, RPC_DISPLAY_NETID),
args.authflavor);
return 0;
}

27
fs/nfsd/trace.h
View File

@ -910,7 +910,6 @@ DEFINE_EVENT(nfsd_cb_class, nfsd_cb_##name, \
TP_PROTO(const struct nfs4_client *clp), \
TP_ARGS(clp))
DEFINE_NFSD_CB_EVENT(setup);
DEFINE_NFSD_CB_EVENT(state);
DEFINE_NFSD_CB_EVENT(lost);
DEFINE_NFSD_CB_EVENT(shutdown);
@ -931,6 +930,32 @@ TRACE_DEFINE_ENUM(RPC_AUTH_GSS_KRB5P);
{ RPC_AUTH_GSS_KRB5I, "krb5i" }, \
{ RPC_AUTH_GSS_KRB5P, "krb5p" })
TRACE_EVENT(nfsd_cb_setup,
TP_PROTO(const struct nfs4_client *clp,
const char *netid,
rpc_authflavor_t authflavor
),
TP_ARGS(clp, netid, authflavor),
TP_STRUCT__entry(
__field(u32, cl_boot)
__field(u32, cl_id)
__field(unsigned long, authflavor)
__array(unsigned char, addr, sizeof(struct sockaddr_in6))
__array(unsigned char, netid, 8)
),
TP_fast_assign(
__entry->cl_boot = clp->cl_clientid.cl_boot;
__entry->cl_id = clp->cl_clientid.cl_id;
strlcpy(__entry->netid, netid, sizeof(__entry->netid));
__entry->authflavor = authflavor;
memcpy(__entry->addr, &clp->cl_cb_conn.cb_addr,
sizeof(struct sockaddr_in6));
),
TP_printk("addr=%pISpc client %08x:%08x proto=%s flavor=%s",
__entry->addr, __entry->cl_boot, __entry->cl_id,
__entry->netid, show_nfsd_authflavor(__entry->authflavor))
);
TRACE_EVENT(nfsd_cb_setup_err,
TP_PROTO(
const struct nfs4_client *clp,