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authorChuck Lever <chuck.lever@oracle.com>2021-05-14 15:57:02 -0400
committerJ. Bruce Fields <bfields@redhat.com>2021-05-18 13:44:04 -0400
commit3c92fba557c622a53fc166b76dede92863354da1 (patch)
tree9d91cd1367047f512e9bdd19c107dcc5ef697a84 /fs/nfsd
parent9f57c6062bf3ce2c6ab9ba60040b34e8134ef259 (diff)
NFSD: Enhance the nfsd_cb_setup tracepoint
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>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4callback.c3
-rw-r--r--fs/nfsd/trace.h27
2 files changed, 28 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 15ba16c54793..c2a2a58b3581 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -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;
}
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index 336dc4c45416..fc80879d6077 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -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,