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SUNRPC: Replace rpcbind dprintk call sites with tracepoints

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In many cases, tracepoints already report these errors. In others,
the dprintks were mainly useful when this code was less mature.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2020-07-08 16:10:40 -04:00 committed by Anna Schumaker
parent 1e664987a9
commit c3adcc7dfb
2 changed files with 90 additions and 20 deletions
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86
include/trace/events/sunrpc.h
View File

@ -1334,6 +1334,92 @@ TRACE_EVENT(rpcb_setport,
)
);
TRACE_EVENT(pmap_register,
TP_PROTO(
u32 program,
u32 version,
int protocol,
unsigned short port
),
TP_ARGS(program, version, protocol, port),
TP_STRUCT__entry(
__field(unsigned int, program)
__field(unsigned int, version)
__field(int, protocol)
__field(unsigned int, port)
),
TP_fast_assign(
__entry->program = program;
__entry->version = version;
__entry->protocol = protocol;
__entry->port = port;
),
TP_printk("program=%u version=%u protocol=%d port=%u",
__entry->program, __entry->version,
__entry->protocol, __entry->port
)
);
TRACE_EVENT(rpcb_register,
TP_PROTO(
u32 program,
u32 version,
const char *addr,
const char *netid
),
TP_ARGS(program, version, addr, netid),
TP_STRUCT__entry(
__field(unsigned int, program)
__field(unsigned int, version)
__string(addr, addr)
__string(netid, netid)
),
TP_fast_assign(
__entry->program = program;
__entry->version = version;
__assign_str(addr, addr);
__assign_str(netid, netid);
),
TP_printk("program=%u version=%u addr=%s netid=%s",
__entry->program, __entry->version,
__get_str(addr), __get_str(netid)
)
);
TRACE_EVENT(rpcb_unregister,
TP_PROTO(
u32 program,
u32 version,
const char *netid
),
TP_ARGS(program, version, netid),
TP_STRUCT__entry(
__field(unsigned int, program)
__field(unsigned int, version)
__string(netid, netid)
),
TP_fast_assign(
__entry->program = program;
__entry->version = version;
__assign_str(netid, netid);
),
TP_printk("program=%u version=%u netid=%s",
__entry->program, __entry->version, __get_str(netid)
)
);
DECLARE_EVENT_CLASS(svc_xdr_buf_class,
TP_PROTO(
const struct svc_rqst *rqst,

24
net/sunrpc/rpcb_clnt.c
View File

@ -35,10 +35,6 @@
#include "netns.h"
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_BIND
#endif
#define RPCBIND_SOCK_PATHNAME "/var/run/rpcbind.sock"
#define RPCBIND_PROGRAM (100000u)
@ -444,9 +440,7 @@ int rpcb_register(struct net *net, u32 prog, u32 vers, int prot, unsigned short
struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
bool is_set = false;
dprintk("RPC: %sregistering (%u, %u, %d, %u) with local "
"rpcbind\n", (port ? "" : "un"),
prog, vers, prot, port);
trace_pmap_register(prog, vers, prot, port);
msg.rpc_proc = &rpcb_procedures2[RPCBPROC_UNSET];
if (port != 0) {
@ -472,11 +466,6 @@ static int rpcb_register_inet4(struct sunrpc_net *sn,
map->r_addr = rpc_sockaddr2uaddr(sap, GFP_KERNEL);
dprintk("RPC: %sregistering [%u, %u, %s, '%s'] with "
"local rpcbind\n", (port ? "" : "un"),
map->r_prog, map->r_vers,
map->r_addr, map->r_netid);
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET];
if (port != 0) {
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_SET];
@ -503,11 +492,6 @@ static int rpcb_register_inet6(struct sunrpc_net *sn,
map->r_addr = rpc_sockaddr2uaddr(sap, GFP_KERNEL);
dprintk("RPC: %sregistering [%u, %u, %s, '%s'] with "
"local rpcbind\n", (port ? "" : "un"),
map->r_prog, map->r_vers,
map->r_addr, map->r_netid);
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET];
if (port != 0) {
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_SET];
@ -524,9 +508,7 @@ static int rpcb_unregister_all_protofamilies(struct sunrpc_net *sn,
{
struct rpcbind_args *map = msg->rpc_argp;
dprintk("RPC: unregistering [%u, %u, '%s'] with "
"local rpcbind\n",
map->r_prog, map->r_vers, map->r_netid);
trace_rpcb_unregister(map->r_prog, map->r_vers, map->r_netid);
map->r_addr = "";
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET];
@ -598,6 +580,8 @@ int rpcb_v4_register(struct net *net, const u32 program, const u32 version,
if (address == NULL)
return rpcb_unregister_all_protofamilies(sn, &msg);
trace_rpcb_register(map.r_prog, map.r_vers, map.r_addr, map.r_netid);
switch (address->sa_family) {
case AF_INET:
return rpcb_register_inet4(sn, address, &msg);