This is a note to let you know that I've just added the patch titled
NFSD: Enhance the nfsd_cb_setup tracepoint
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfsd-enhance-the-nfsd_cb_setup-tracepoint.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit cd0aee284e78193ccdb4dc75ec0c89ae881618cc
Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
Date: Fri May 14 15:57:02 2021 -0400
NFSD: Enhance the nfsd_cb_setup tracepoint
[ Upstream commit 9f57c6062bf3ce2c6ab9ba60040b34e8134ef259 ]
Display the transport protocol and authentication flavor so admins
can see what they might be getting wrong.
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 2a2eb6184bdae..fe1f36b70fa03 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -941,7 +941,8 @@ static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *c
clp->cl_cb_conn.cb_xprt = conn->cb_xprt;
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 afffb4912acbc..86e0656bdb779 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,
